CN205791684U - A kind of device judging battery charging process exception according to battery bag data feature values - Google Patents
A kind of device judging battery charging process exception according to battery bag data feature values Download PDFInfo
- Publication number
- CN205791684U CN205791684U CN201620559551.6U CN201620559551U CN205791684U CN 205791684 U CN205791684 U CN 205791684U CN 201620559551 U CN201620559551 U CN 201620559551U CN 205791684 U CN205791684 U CN 205791684U
- Authority
- CN
- China
- Prior art keywords
- battery
- battery bag
- feature values
- data feature
- bag data
- 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.)
- Active
Links
Abstract
This utility model provides a kind of device judging battery charging process exception according to battery bag data feature values, for using charging device that electric motor car is charged, during electric motor car is charged, contrast battery bag eigenvalue the most in the same time, if there is identical battery bag eigenvalue the most in the same time, then charge data is abnormal.In the data that charger or BMS are sampled, battery bag data feature values is the significant data that whether normal reflection charging process is.After battery electric quantity increases, battery bag data feature values is bound to change, and based on this principle, this utility model is by the charge capacity Δ W of the different charging stage charger of detection, and then judge whether the value of the Δ B corresponding with Δ W changes, draw the conclusion that charging process is the most abnormal.
Description
[technical field]
This utility model belongs to charging electric vehicle technical field, relates to a kind of according to battery bag data feature values judgement electricity
The device that pond charging process is abnormal.
[background technology]
Existing charger usually not data exception determination methods during charging electric vehicle, small part possesses fills
Electricity data judge, time period timing (the most every 2 minutes) that its data judgment method is based on setting gathers and judges charging
During data whether abnormal.This kind of determination methods may determine that charge data exception to a certain extent and cut off charger
Output, but when low current charge, in the unit interval, such as, in 10 minutes, the data feature values of battery bag might not
Can change, but according under our charging station actual condition, BMS is the most still it may happen that fault, if charger could not be timely
Identify, over-charging of battery finally occurs.Such as, Taiwan disclose the 201039480th A1 patent application its by charging process
The battery of the described electronic installation time interval that carries out detecting judge data exception.
Additionally, China discloses 104809246A patent application and discloses processing method and the dress of a kind of charge data
Putting, the program proposes to obtain Vehicular charging data according to charging pile address from charging pile；Vehicle data is integrated；To integration
The charge data of vehicle afterwards processes, and produces abnormal data.The problem that the program solves is that charge data is dispersed in respectively
In individual trading record sheet, the problem that complex operation causes efficiency when processing charge data.
China's bulletin the 103296708th B patent discloses a kind of multi-party communication being applied to DC charging system and controls
System and charging method, battery management system can transmit up-to-date battery status for every 1 second and control device or described to multi-party communication
Multi-party communication controls device with direct current quick charge station when charging flow starts, and every 100 microseconds can exchange current charged state
Data.
Two above pertinent literature all indicates that the data that electric automobile can be uploaded in charging process by charging pile are entered
Row judges.But at present due to self of BMS (cell management system of electric automobile, battery management system)
Design problem or operation troubles, can still result in BMS the most always with charger alternately as Frame, now
If if charger does not set corresponding decision logic, then cannot identify that the problems referred to above take corresponding measure in time, cause BMS event
Charger None-identified malfunction under barrier situation, charger is still continuously battery charging, causes electric automobile overcharge, seriously
Final cause charging accident.
In sum, for now, to electric motor car charging following two problem exists with regard to charging device:
(1) charger timing acquiring BMS data, it is impossible to be prevented effectively from over-charging of battery；
(2) under BMS malfunction, charger None-identified BMS fault message, it is impossible to terminate charging in time.
[utility model content]
This utility model provides a kind of device judging battery charging process exception according to battery bag data feature values.
This utility model is by the following technical solutions:
A kind of device judging battery charging process exception according to charge capacity change, including:
Power model: for direct current or alternating current are converted to the electric energy needed for charging electric vehicle；
Communication unit: for communicating with BMS, and obtain the battery bag data feature values of electric automobile；
Control unit: the battery bag data feature values obtained for receiving communication unit, and with the battery bag in other moment
Data feature values contrasts, it may be judged whether there is charging abnormal.
Further, described device includes auxiliary power module, for before charging starts, powers for BMS, makes control unit
Carry out parameter configuration with BMS and shake hands.
Further, described device farther includes metering module, for obtaining the charge capacity of electric motor car, this charge capacity
Corresponding with the BMS battery bag eigenvalue under synchronization, metering module is connected with control unit.
Further, described metering module is DC meter.
Further, described battery bag data feature values includes that battery bag total voltage, battery cell voltage, battery bag are minimum
Temperature, battery bag maximum temperature, charging current value, and SOC value of battery.
Compared with prior art, this utility model at least has the advantages that in the data that charger or BMS are sampled
In, battery bag data feature values is the significant data that whether normal reflection charging process is.After battery electric quantity increases, battery bag number
Being bound to change according to eigenvalue, based on this principle, this utility model is by the charge capacity of the different charging stage charger of detection
Δ W, and then judge whether the value of the Δ B corresponding with Δ W changes, draw the conclusion that charging process is the most abnormal.
[accompanying drawing explanation]
Fig. 1 is block diagram of the present utility model.
[detailed description of the invention]
The utility model discloses a kind of device judging battery charging process exception according to battery bag data feature values, main
Including: power model, communication unit, control unit, auxiliary power module.
Described power model for being converted to the electric energy needed for charging electric vehicle by direct current or alternating current, and communication unit is used
In communicating with BMS, and obtain the battery bag data feature values of electric automobile；The input of control unit and communication unit Rhizoma Coptidis
Connecing the battery bag data feature values obtained for receiving communication unit, outfan is connected with power model, is used for controlling power mould
The output of block, it is right that the battery bag data feature values of reception and the battery bag data feature values in other moment are carried out by control module
Ratio, it may be judged whether there is charging abnormal.Described auxiliary power module, for before charging starts, is powered for BMS, is made control unit
Carry out parameter configuration with BMS and shake hands.
Described device has farther included metering module, and specifically, described metering module is DC meter, is used for obtaining
The charge capacity of electric motor car, this charge capacity is corresponding with the BMS battery bag eigenvalue under synchronization, and metering module is single with control
Unit connects.
Described battery bag data feature values includes battery bag total voltage, battery cell voltage, battery bag minimum temperature, electricity
Pond bag maximum temperature, the value of charging current, and SOC value of battery.
In current charging process, in the data that charger is sampled by BMS, battery bag data feature values is to reflect to charge
Cheng Zhengchang whether significant data.After battery electric quantity increases, battery bag data feature values is bound to change, based on this principle,
By the charge capacity Δ W of the different charging stage charger of detection, and then judge whether the value of the Δ B corresponding with Δ W changes,
Draw the conclusion that charging process is the most abnormal.
Determination methods:
Judgement basis formula: N*SOC least unit value=Δ W
Δ W be the charger possessing the charging pile of DC meter or charging module in specified time interval for electric automobile
Charging electricity, this charge value by the metering module of charger from the upper reading of charger.The SOC i.e. SOC of least unit value is
Accurate certainty of measurement, according to prior art condition, current SOC least unit is 1%.
When Δ W=0, when i.e. battery charge is 0, now the communication unit of charger and BMS communication, obtain battery
Data feature values Δ B1, including: battery bag total voltage Δ V1, battery cell voltage Δ V2, battery bag minimum temperature Δ T1, battery
Bag maximum temperature Δ T2, charging current Δ I1, SOC value Δ SOC.
Along with charger constantly charges for battery bag, the data value of Δ W can be continually changing, and Δ B correspondingly also can be with
Change.
Therefore, after the numerical value of Δ W increases, such as, during Δ W=2, charger takes Δ B2 now, it is judged that Δ B2 and Δ
Whether B1 data value changes.If it has, then charge data is normal, continues as battery charging, meanwhile, Δ B2 is set to basis right
Ratio numerical value, charger continues to gather ammeter electricity Δ W, when Δ W continues to increase, takes Δ BN now, and charger repeats to judge,
Until reaching to charge normal termination condition；If it is not, charge data is abnormal, charger complete charge.
This method is based on batteries of electric automobile SOC variable quantity and the relativeness of charge capacity in the unit interval, it is judged that
Battery data eigenvalue has unchanged, and then judges that battery charging process data are the most abnormal.
Below the entire protocol of this utility model method is explained:
S1 charger is complete with electric automobile data configuration, enters the charging stage；
When the charging of S2 control unit record starts, communication unit communicates with BMS, gathers battery characteristics value Δ B1, and gathers
The electricity Δ W of DC meter；
S3, when Δ W value increases, takes Δ B2 now, and compared with Δ B1 when starting with charging；
S4 as Δ B2=Δ B1, then assert that charging process is abnormal, complete charge；
S5 when Δ B2 is with when being not equal to Δ B1, then assert that charging process is normal, and reduced value based on Δ B2, at Δ W number
When value increases, continue to gather corresponding Δ B, then compare (repeating S3-S5) with baseline values Δ B2
S6 when reaching to charge normal termination condition, charger complete charge.
Below in conjunction with embodiment, this utility model method is introduced:
When charging starts, charge capacity is 0, then Δ W=0, and now the control processing unit of charger passes through communication unit
Communicate reading this Δ W with BMS, gathers battery bag eigenvalue Δ B1 now, when charge capacity is 2KW, Δ W=2 simultaneously, with
Time gather battery bag eigenvalue Δ B2 now, data processing unit judges that Δ B2 is the most equal with Δ B1, if equal, fills
Electricity data exception, if unequal, continue charging, repeats above-mentioned judgement, until electric automobile reaches to charge normal cut-off bar
Part.
Claims (6)
1. the device judging battery charging process exception according to battery bag data feature values, it is characterised in that: including:
Power model: for direct current or alternating current are converted to the electric energy needed for charging electric vehicle；
Communication unit: for communicating with BMS, and obtain the battery bag data feature values of electric automobile；
Control unit: the battery bag data feature values obtained for receiving communication unit, and with the battery bag data in other moment
Eigenvalue contrasts, it may be judged whether there is charging abnormal.
A kind of device judging battery charging process exception according to battery bag data feature values the most according to claim 1,
It is characterized in that: farther include auxiliary power module, for before charging starts, power for BMS, make control unit and BMS
Carry out parameter configuration and shake hands.
A kind of device judging battery charging process exception according to battery bag data feature values the most according to claim 1,
It is characterized in that: farther include metering module, for obtaining under the charge capacity of electric motor car, this charge capacity and synchronization
BMS battery bag eigenvalue corresponding, metering module is connected with control unit.
A kind of device judging battery charging process exception according to battery bag data feature values the most according to claim 3,
It is characterized in that: described metering module is DC meter.
One the most according to any one of claim 1 to 4 judges battery charging process according to battery bag data feature values
Abnormal device, it is characterised in that: described battery bag data feature values includes battery bag total voltage, battery cell voltage, electricity
Pond bag minimum temperature, battery bag maximum temperature, the value of charging current, and SOC value of battery.
A kind of device judging battery charging process exception according to battery bag data feature values the most according to claim 1,
It is characterized in that: the input of control unit and communication unit are connected to the battery bag data characteristics that receiving communication unit obtains
Value, outfan is connected with power model, for controlling the output of power model.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620559551.6U CN205791684U (en) | 2016-06-08 | 2016-06-08 | A kind of device judging battery charging process exception according to battery bag data feature values |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620559551.6U CN205791684U (en) | 2016-06-08 | 2016-06-08 | A kind of device judging battery charging process exception according to battery bag data feature values |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205791684U true CN205791684U (en) | 2016-12-07 |
Family
ID=58134209
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620559551.6U Active CN205791684U (en) | 2016-06-08 | 2016-06-08 | A kind of device judging battery charging process exception according to battery bag data feature values |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205791684U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105958590A (en) * | 2016-06-08 | 2016-09-21 | 西安特锐德智能充电科技有限公司 | Apparatus and method for judging abnormal condition of battery charging process based on charging electric quantity changes |
| CN109878373A (en) * | 2019-04-23 | 2019-06-14 | 江苏万帮德和新能源科技股份有限公司 | Knee cloud platform interconnects charging method and system |
-
2016
- 2016-06-08 CN CN201620559551.6U patent/CN205791684U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105958590A (en) * | 2016-06-08 | 2016-09-21 | 西安特锐德智能充电科技有限公司 | Apparatus and method for judging abnormal condition of battery charging process based on charging electric quantity changes |
| CN105958590B (en) * | 2016-06-08 | 2018-08-28 | 西安特锐德智能充电科技有限公司 | The device and method of battery charging process exception is judged according to charge capacity variation |
| CN109878373A (en) * | 2019-04-23 | 2019-06-14 | 江苏万帮德和新能源科技股份有限公司 | Knee cloud platform interconnects charging method and system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101692502B (en) | Battery management system | |
| CN101362427B (en) | Cell management system of electric automobile | |
| CN102013529B (en) | Vehicle power battery pack management system integrated into electric vehicle instrument and control method thereof | |
| CN202696179U (en) | Battery management system | |
| CN105857109B (en) | A kind of SCM Based electric car power supply management system | |
| CN104297691A (en) | Battery pack health status diagnostic system and method | |
| CN202309138U (en) | Lithium-iron-phosphate battery-managing system for substation direct-current power-supply system | |
| US20170057372A1 (en) | Electric or hybrid vehicle battery pack voltage measurement | |
| CN101966820A (en) | On-line monitoring method for self-adaptively correcting lithium ion battery state-of-charge | |
| CN103019234A (en) | Battery management and acquisition subsystem of new energy vehicle and method for controlling battery management and acquisition subsystem | |
| CN111483350B (en) | Balance and micro-short circuit detection method for power battery pack | |
| CN106042960B (en) | Judge the abnormal device and method of battery charging according to battery characteristics value changes | |
| CN202995453U (en) | Battery management and acquisition subsystem of new energy vehicle | |
| CN202770974U (en) | Electric vehicle power battery automatic test and diagnosis system | |
| CN101615809A (en) | A kind of single battery control system of vehicular power supply | |
| CN207488848U (en) | A kind of DC charging motor with charging gun temperature monitoring module | |
| CN205791684U (en) | A kind of device judging battery charging process exception according to battery bag data feature values | |
| CN103746148B (en) | A kind of lead-acid power accumulator automatic management device | |
| CN205668502U (en) | The device that battery charging is abnormal is judged according to the change of battery characteristics value | |
| CN103171451B (en) | Battery management system based on co-processor and solid-state relay | |
| CN105958590B (en) | The device and method of battery charging process exception is judged according to charge capacity variation | |
| CN201257887Y (en) | Cell management system of electric automobile | |
| CN204928276U (en) | Measurable quantity power lithium internal resistance of cell's charging device | |
| CN106199283A (en) | Electrically-charging equipment detecting system | |
| CN109585948A (en) | Automobile lithium battery battery core distributed detection system and method and measurement module |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170527 Address after: 710077 Shaanxi city of Xi'an province high tech Zone No. 211 days Valley Ba Lu HUanpu science and Technology Industrial Park building E Building No. E206-2 Co-patentee after: Xi'an city investment call new energy limited liability company Patentee after: XI'AN TERUIDE INTELLIGENT CHARGING TECHNOLOGY CO., LTD. Address before: 710077 Shaanxi city of Xi'an province high tech Zone No. 211 days Valley Ba Lu HUanpu science and Technology Industrial Park building E Building No. E206-2 Patentee before: XI'AN TERUIDE INTELLIGENT CHARGING TECHNOLOGY CO., LTD. |
|
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: E206-2, R & D building, building e, HUanpu science and Technology Industrial Park, 211 tianguba Road, high tech Zone, Xi'an City, Shaanxi Province, 710000 Patentee after: Xi'an Telai Intelligent Charging Technology Co.,Ltd. Patentee after: Xi'an city investment call new energy LLC Address before: No. e206-2, R & D building, building e, HUanpu science and Technology Industrial Park, 211 tianguba Road, high tech Zone, Xi'an City, Shaanxi Province, 710077 Patentee before: XI'AN TGOOD INTELLIGENT CHARGING TECHNOLOGY Co.,Ltd. Patentee before: Xi'an city investment call new energy LLC |