CN105958590B - The device and method of battery charging process exception is judged according to charge capacity variation - Google Patents
The device and method of battery charging process exception is judged according to charge capacity variation Download PDFInfo
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- CN105958590B CN105958590B CN201610407603.2A CN201610407603A CN105958590B CN 105958590 B CN105958590 B CN 105958590B CN 201610407603 A CN201610407603 A CN 201610407603A CN 105958590 B CN105958590 B CN 105958590B
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- 238000000034 method Methods 0.000 title claims abstract description 50
- 230000002159 abnormal effect Effects 0.000 claims abstract description 14
- 238000004891 communication Methods 0.000 claims description 14
- 230000005611 electricity Effects 0.000 claims description 5
- 241001269238 Data Species 0.000 abstract description 2
- 238000001514 detection method Methods 0.000 abstract 1
- 230000007257 malfunction Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
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
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/0036—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits using connection detecting circuits
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- H02J7/027—
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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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
-
- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/16—Information or communication technologies improving the operation of electric vehicles
Abstract
The present invention provides a kind of device and methods judging battery charging process exception according to charge capacity variation, for being charged to electric vehicle using charging unit, in carrying out charging process to electric vehicle, compare the battery pack characteristic value of different moments, if different moments, there are identical battery pack characteristic value, charge data is abnormal.In the data that charger or BMS are sampled, battery pack data feature values are significant datas whether reflecting charging process normally.After battery capacity increase, battery pack data feature values are bound to change, and are based on this principle, the charge capacity Δ W that the present invention passes through the different charging stage chargers of detection, and then judge whether the value of Δ B corresponding with Δ W changes, obtain charging process whether the conclusion of exception.
Description
【Technical field】
The invention belongs to electric vehicle charging technique fields, are related to a kind of change according to charge capacity and judge that battery charged
The device and method of Cheng Yichang.
【Background technology】
Existing charger usually not data exception judgment method in electric vehicle charging process, small part, which has, fills
What electric data judged, data judgment method is period timing (such as the every 2 minutes) acquisition according to setting and judges to charge
Whether data in the process are abnormal.Such judgment method may determine that charge data exception and cuts off charger to a certain extent
Output, but in low current charge, in the unit interval, such as in 10 minutes, the data feature values of battery pack might not
It can change, but according under our charging station actual condition, BMS may still break down at this time, if charger could not be timely
Identification, finally occurs over-charging of battery.For example, Taiwan discloses the 201039480th A1 patent applications, it passes through in charging process
The time interval detected of battery of the electronic device judge data exception.
In addition, China discloses 104809246A patent applications and discloses a kind of processing method and dress of charge data
It sets, the program proposes to obtain Vehicular charging data from charging pile according to charging pile address；Vehicle data is integrated；To integrating
The charge data of vehicle later is handled, and abnormal data is produced.The program solves the problems, such as it is that charge data is dispersed in respectively
In a trading record sheet, cumbersome the problem of leading to efficiency when handling charge data.
China's the 103296708th B patents of bulletin disclose a kind of multi-party communication control applied to DC charging system
System and charging method, battery management system can transmit newest battery status for every 1 second to multi-party communication control unit or described
For multi-party communication control device with direct current quick charge station when charging flow starts, every 100 microsecond can exchange current charged state
Data.
Two above pertinent literature indicate charging pile in charging process can to data that electric vehicle uploads into
Row judges.But at present due to BMS (cell management system of electric automobile, battery management system) itself
Design problem or operation troubles can still result in BMS and interact same data frame with charger always in a fault situation, at this time
It if if charger does not set corresponding decision logic, can not identify that the above problem takes corresponding measure in time, lead to BMS events
Hinder charger None- identified malfunction under situation, charger is still continuously battery charging, causes electric vehicle overcharge, seriously
Final initiation charging accident.
In conclusion for now, with regard to charging unit, to electric vehicle charging, there are following two problems：
(1) charger timing acquiring BMS data can not effectively avoid over-charging of battery；
(2) under BMS malfunctions, charger None- identified BMS fault messages can not terminate charging in time.
【Invention content】
The present invention provides a kind of device and methods judging battery charging process exception according to charge capacity variation, pass through
BMS battery pack characteristic values judge whether data are abnormal under comparison different moments.
The present invention uses following technical scheme：
A kind of device judging battery charging process exception according to charge capacity variation, including：
Power module：For direct current or alternating current to be converted to the electric energy needed for electric vehicle charging；
Communication unit：For being communicated with BMS, and obtain the battery pack data feature values of electric vehicle；
Control unit：For receiving communication unit obtain battery pack data feature values, and with the battery pack at other moment
Data feature values are compared, and judge whether that charging is abnormal.
Further, described device includes auxiliary power module, for before charging starts, powering for BMS, making control unit
Parameter configuration is carried out with BMS and is shaken hands.
Further, described device further comprises metering module, the charge capacity for obtaining electric vehicle, the charge capacity
Corresponding with the BMS battery pack characteristic values under synchronization, metering module is connect with control unit.
Further, the metering module is DC meter.
Further, the battery pack data feature values include that battery pack total voltage, battery cell voltage, battery pack are minimum
Temperature, battery pack maximum temperature, charging current value and SOC value of battery.
A method of battery charging process exception is judged according to charge capacity variation, for using charging unit to electronic
Vehicle charges, and in carrying out charging process to electric vehicle, compares the battery pack data feature values of different moments, if when different
Quarter, there are identical battery pack data feature values, then charge data is abnormal.
Further, the battery pack data feature values at each moment are corresponding with the charge capacity of electric vehicle.
Further, the electric charge volume of electric vehicle is obtained by metering module.
Further, the metering module is DC meter.
Further, the battery pack data feature values include that battery pack total voltage, battery cell voltage, battery pack are minimum
Temperature, battery pack maximum temperature, charging current value and SOC value of battery.
Further, the method for the present invention includes the following steps：
(1) charging unit is finished with electric vehicle configuration, is started to charge up；
(2) at the t=0 moment, the battery characteristics value Δ B1 and charge capacity Δ W of BMS are acquired；
(3) with the increase of Δ W, Δ B2 corresponding with Δ W is obtained, the relationship of Δ B1 and Δ B2 are judged, if the two phase
Together, then assert that charging is abnormal, terminate charging, if the two is different, continue to charge, until meeting end-of-charge condition.
Compared with prior art, the present invention at least has the advantages that：In the data that charger or BMS are sampled,
Battery pack data feature values are significant datas whether reflecting charging process normally.After battery capacity increase, battery bag data
Characteristic value is bound to change, and is based on this principle, the present invention by detecting the charge capacity Δ W of different charging stage chargers, into
And judge whether the value of Δ B corresponding with Δ W changes, obtain charging process whether the conclusion of exception.
【Description of the drawings】
Fig. 1 is the flow chart of the method for the present invention.
Fig. 2 is the structure diagram of apparatus of the present invention.
【Specific implementation mode】
The invention discloses a kind of devices judging battery charging process exception according to charge capacity variation, include mainly：
Power module, communication unit, control unit, storage unit, auxiliary power module.
The power module is used to direct current or alternating current being converted to the required electric energy of electric vehicle charging, and communication unit is used
It is communicated in BMS, and obtains the battery pack data feature values of electric vehicle；The input terminal of control unit connects with communication unit
The battery pack data feature values obtained for receiving communication unit are connect, output end is connect with power module, for controlling power mould
The output of block, control module carry out the battery pack data feature values at the battery pack data feature values of reception and other moment pair
Than judging whether that charging is abnormal.The auxiliary power module is used for before charging starts, and is powered for BMS, is made control unit
Parameter configuration is carried out with BMS and is shaken hands.
Described device further comprises there is metering module, specifically, the metering module is DC meter, for obtaining
The charge capacity of electric vehicle, the charge capacity are corresponding with the BMS battery pack characteristic values under synchronization.
The battery pack data feature values include battery pack total voltage, battery cell voltage, battery pack minimum temperature, electricity
Pond packet maximum temperature, the value of charging current and SOC value of battery.
In current charging process, in the data that charger sample by BMS, battery pack data feature values are to reflect to charge
Significant data whether Cheng Zhengchang.After battery capacity increase, battery pack data feature values are bound to change, and are based on this principle,
By detecting the charge capacity Δ W of different charging stage chargers, and then judge whether the value of Δ B corresponding with Δ W changes,
Obtain the whether abnormal conclusion of charging process.
Judgment method：
Judgement basis formula：N*SOC least units value=Δ W
Δ W is that the charger of the charging pile or charging module that have DC meter is electric vehicle in specified time interval
The electricity of charging, the charge value is by the metering module of charger from the upper reading of charger.SOC least units value, that is, SOC is most
Accurate measurement accuracy, according to prior art condition, SOC least units are 1% at present.
In Δ W=0, i.e., when battery charge is 0, the communication unit of charger is communicated with BMS at this time, obtains battery
Data feature values Δ B1, including：Battery pack total voltage Δ V1, battery cell voltage Δ V2, battery pack minimum temperature Δ T1, battery
Packet maximum temperature Δ T2, charging current Δ I1, SOC value Δ SOC.
As charger is constantly that battery pack charges, the data value of Δ W can constantly change, and Δ B correspondingly also can be with
Variation.
Therefore, after the numerical value increase of Δ W, such as when Δ W=2, charger takes Δ B2 at this time, judges Δ B2 and Δ
Whether B1 data values change.If so, then charge data is normal, battery charging is continued as, meanwhile, it is right that Δ B2 is set as basis
Than numerical value, charger continues to acquire ammeter electricity Δ W, when Δ W is continued growing, Δ BN at this time, charger is taken to repeat to judge,
Termination condition is charged normal until reaching；If it is not, charge data is abnormal, charger terminates to charge.
This method is the relativeness according to batteries of electric automobile SOC variable quantities and charge capacity in the unit interval, is judged
Battery data characteristic value has unchanged, and then judges whether battery charging process data are abnormal.
The entire protocol of the method for the present invention is explained below：
S1 chargers are finished with electric vehicle data configuration, into the charging stage；
When the record charging of S2 control units starts, communication unit is communicated with BMS, acquires battery characteristics value Δ B1, and acquire
The electricity Δ W of DC meter；
S3 takes Δ B2 at this time, and compared with Δ B1 when charging beginning when Δ W value increases；
S4 then assert charging process exception, terminates charging as Δ B2=Δ B1；
S5 then assert that charging process is normal when Δ B2 is with not equal to Δ B1, is basic reduced value with Δ B2, in Δ W numbers
When value increases, continue to acquire corresponding Δ B, is then compared with baseline values Δ B2 and (repeats S3-S5)
S6 reach charge normal termination condition when, charger terminates to charge.
With reference to embodiments to the method for the present invention introduction：
When charging starts, charge capacity 0, then Δ W=0, at this time the control process unit of charger pass through communication unit
It is communicated with BMS and reads Δ W, while acquiring battery pack characteristic value Δ B1 at this time, when charge capacity is 2KW, Δ W=2, together
When acquisition battery pack characteristic value Δ B2 at this time, data processing unit judges whether Δ B2 equal with Δ B1, is filled if equal
Electric data exception continues to charge if unequal, repeats above-mentioned judgement, until electric vehicle reaches and charges normal cut-off item
Part.
Claims (6)
1. a kind of device judging battery charging process exception according to charge capacity variation, which is characterized in that including：
Power module：For direct current or alternating current to be converted to the electric energy needed for electric vehicle charging；
Communication unit：For being communicated with BMS, and obtain the BMS battery pack data feature values of electric vehicle；The battery
Bag data characteristic value includes battery pack total voltage, battery cell voltage, battery pack minimum temperature, battery pack maximum temperature, charging
The value and SOC value of battery of electric current；
Control unit：For receiving communication unit obtain battery pack data feature values, and with the battery bag data at other moment
Characteristic value is compared, if the battery pack data feature values of different moments do not change, judges that charging is abnormal, if different
The battery pack data feature values at moment change, then judge that charging is normal；
Metering module, the charge capacity for obtaining electric vehicle, the charge capacity and the BMS batteries bag data under synchronization are special
Value indicative corresponds to, and metering module is connected with control unit.
2. a kind of device judging battery charging process exception according to charge capacity variation according to claim 1, special
Sign is：Further comprise auxiliary power module, for before charging starts, powering for BMS, control unit is made to be carried out with BMS
It parameter configuration and shakes hands.
3. a kind of device judging battery charging process exception according to charge capacity variation according to claim 1, special
Sign is：The metering module is DC meter.
4. a kind of method judging battery charging process exception according to charge capacity variation, for using charging unit to electric vehicle
It charges, it is characterised in that：In carrying out charging process to electric vehicle, the battery pack data feature values of different moments are compared,
If different moments, there are identical battery pack data feature values, charge data is abnormal；The battery pack data feature values
Including battery pack total voltage, battery cell voltage, battery pack minimum temperature, battery pack maximum temperature, charging current value, Yi Ji electricity
Pond SOC；The electric charge volume of electric vehicle is obtained by metering module；Specifically include following steps：
(1) charging unit is finished with electric vehicle configuration, is started to charge up；
(2) at the t=0 moment, the battery characteristics value Δ B1 and charge capacity Δ W of BMS are acquired；
(3) with the increase of Δ W, Δ B2 corresponding with Δ W is obtained, judges the relationship of Δ B1 and Δ B2, if the two is identical,
Assert that charging is abnormal, terminate charging, if the two is different, continue to charge, until meeting end-of-charge condition.
5. a kind of method judging battery charging process exception according to charge capacity variation according to claim 4, special
Sign is：The battery pack data feature values at each moment are corresponding with the charge capacity of electric vehicle.
6. a kind of method judging battery charging process exception according to charge capacity variation according to claim 4, special
Sign is：In step (3), if Δ B1 is different with Δ B2, continue to charge, meanwhile, Δ B2 is set as basic contrast number,
The charge capacity Δ W for continuing acquisition takes Δ BN at this time, charger repeats to judge, until reaching just when Δ W is continued growing
Normal end-of-charge condition.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610407603.2A CN105958590B (en) | 2016-06-08 | 2016-06-08 | The device and method of battery charging process exception is judged according to charge capacity variation |
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| CN106772077A (en) * | 2016-12-13 | 2017-05-31 | 四川德源电气有限公司 | A kind of accumulator failure detection method |
| CN111257775A (en) * | 2020-02-24 | 2020-06-09 | 上海蔚来汽车有限公司 | Method, system and device for monitoring battery impedance abnormity based on charging process |
| CN114236393B (en) * | 2021-11-30 | 2023-07-07 | 上海瑞浦青创新能源有限公司 | Method and system for detecting battery abnormality on line based on big data |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102655245A (en) * | 2011-03-01 | 2012-09-05 | 株式会社日立制作所 | Anomalously charged state detection device and test method for lithium secondary cell |
| CN104410131A (en) * | 2014-12-17 | 2015-03-11 | 安徽安凯汽车股份有限公司 | Vehicle-mounted mobile charge system and mobile charge control method thereof |
| CN205668502U (en) * | 2016-06-08 | 2016-11-02 | 西安特锐德智能充电科技有限公司 | The device that battery charging is abnormal is judged according to the change of battery characteristics value |
| CN205791684U (en) * | 2016-06-08 | 2016-12-07 | 西安特锐德智能充电科技有限公司 | A kind of device judging battery charging process exception according to battery bag data feature values |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8219333B2 (en) * | 2010-06-29 | 2012-07-10 | O2Micro, Inc | Battery management systems for protecting batteries from fault conditions |
| JP5108076B2 (en) * | 2010-10-05 | 2012-12-26 | 三菱電機株式会社 | Vehicle charging device |
| CN103124086B (en) * | 2011-11-18 | 2015-11-18 | 北汽福田汽车股份有限公司 | The battery management system of electric automobile |
| CN104502854B (en) * | 2014-12-18 | 2017-08-04 | 青岛海信移动通信技术股份有限公司 | A kind of terminal residual electric quantity display method and device |
| CN105207304B (en) * | 2015-10-20 | 2017-06-20 | 西安特锐德智能充电科技有限公司 | A kind of charging method for possessing active defense function |
-
2016
- 2016-06-08 CN CN201610407603.2A patent/CN105958590B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102655245A (en) * | 2011-03-01 | 2012-09-05 | 株式会社日立制作所 | Anomalously charged state detection device and test method for lithium secondary cell |
| CN104410131A (en) * | 2014-12-17 | 2015-03-11 | 安徽安凯汽车股份有限公司 | Vehicle-mounted mobile charge system and mobile charge control method thereof |
| CN205668502U (en) * | 2016-06-08 | 2016-11-02 | 西安特锐德智能充电科技有限公司 | The device that battery charging is abnormal is judged according to the change of battery characteristics value |
| CN205791684U (en) * | 2016-06-08 | 2016-12-07 | 西安特锐德智能充电科技有限公司 | A kind of device judging battery charging process exception according to battery bag data feature values |
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Application publication date: 20160921 Assignee: Xi'an TGOOD Intelligent Charging Technology Co.,Ltd. Assignor: Xi'an teride lingchong New Energy Technology Co.,Ltd. Contract record no.: X2021370010006 Denomination of invention: Device and method for judging abnormal charging process of battery according to charging quantity change Granted publication date: 20180828 License type: Common License Record date: 20210129 |
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Address after: Room 101, building a, building 6, digital Economic Industrial Park, 201 Pufeng Road, high tech Zone, Xi'an, Shaanxi 710003 Patentee after: Xi'an telingchong New Energy Technology Co.,Ltd. Address before: Room 101, building a, building 6, digital Economic Industrial Park, 201 Pufeng Road, high tech Zone, Xi'an, Shaanxi 710003 Patentee before: Xi'an teride lingchong New Energy Technology Co.,Ltd. |
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Address after: Room 101, building a, building 6, digital Economic Industrial Park, 201 Pufeng Road, high tech Zone, Xi'an, Shaanxi 710003 Patentee after: Xi'an Lingchong Infinite New Energy Technology Co.,Ltd. Address before: Room 101, building a, building 6, digital Economic Industrial Park, 201 Pufeng Road, high tech Zone, Xi'an, Shaanxi 710003 Patentee before: Xi'an telingchong New Energy Technology Co.,Ltd. |