CN108248431A - A kind of battery charge data storage and extracting method - Google Patents
A kind of battery charge data storage and extracting method Download PDFInfo
- Publication number
- CN108248431A CN108248431A CN201810066632.6A CN201810066632A CN108248431A CN 108248431 A CN108248431 A CN 108248431A CN 201810066632 A CN201810066632 A CN 201810066632A CN 108248431 A CN108248431 A CN 108248431A
- Authority
- CN
- China
- Prior art keywords
- value
- data
- voltage
- capacity
- battery
- 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.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 27
- 238000013500 data storage Methods 0.000 title description 5
- 230000005611 electricity Effects 0.000 claims abstract description 6
- 230000002085 persistent effect Effects 0.000 claims abstract description 4
- 230000006870 function Effects 0.000 claims description 3
- 230000010354 integration Effects 0.000 claims description 3
- 230000008569 process Effects 0.000 claims description 3
- 238000011084 recovery Methods 0.000 claims 1
- 238000007726 management method Methods 0.000 description 7
- 238000004458 analytical method Methods 0.000 description 2
- 238000007405 data analysis Methods 0.000 description 2
- 230000003862 health status Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
- B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
- B60L58/12—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries responding to state of charge [SoC]
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
- B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2240/00—Control parameters of input or output; Target parameters
- B60L2240/40—Drive Train control parameters
- B60L2240/54—Drive Train control parameters related to batteries
- B60L2240/547—Voltage
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Secondary Cells (AREA)
Abstract
The present invention is storage and the extracting method of a kind of battery charging curve data, according to different battery types, set voltage spaces value, record the battery management system start-up operation initial voltage data value at moment and initial capacity data value, by real-time voltage value and the buffer area of real time capacity data value deposit battery management system, capacity increment peak value is calculated when the absolute value that real-time voltage value satisfaction subtracts the voltage data value of previous record is more than or equal to preset voltage spaces value, and real-time voltage value and capacity increment peak value are stored to battery management system persistent storage or background server, until electricity is full of；To real-time voltage value, capacity increment peak-data into row interpolation, interpolating function is obtained by Lagrange's interpolation and is restored.
Description
Technical field
The present invention relates to a kind of storage of battery charge data and extracting methods, belong to battery charge data administrative skill neck
Domain.
Background technology
Rechargeable battery is the battery that can be utilized with cycle charging, and the charging problems of rechargeable battery are always what people were concerned about
Focus, the management of correct good charging method and charge data may insure the normal work and use service life of battery, with
Social progress, electric vehicle is progressed into people's life, and electric vehicle refers to, using vehicle power supply as power, be driven with motor
Motor car wheel travels, and wherein the electric drive on electric vehicle and control system are the core of electric vehicle, electric drive and control
System is made of speed-regulating control device of drive motor, power supply and motor etc.；The driving energy source of motor is in vehicle-mounted
Chargeable storage or other energy accumulating devices, therefore, vehicle power supply are very important component, and electric drive and control
System needs to obtain some information of vehicle power supply in order to manage vehicle power supply, ensures vehicle power supply at work or during charging
Safety, this has resulted in electric drive and control system can obtain the data that many vehicle power supplies are sent, wherein charging
The data volume of data is especially larger, and electric drive and control system and electric vehicle security monitor platform is caused to face mass data
The pressure of storage；Traditional charge data recording method is constant duration method, the primary current voltage of usually every 1 second record and
Charging capacity obtains a battery charging curve (V-Q curves) with this；The problem of constant duration method, is that data volume is excessive,
Current electric vehicle quantity is skyrocketed through, electric vehicle security monitor platform faces the pressure of mass data storage, thus needs energy
The data storage of key message can simultaneously be ensured by enough largely reducing data volume.
Invention content
To solve the deficiencies in the prior art, the present invention provides a kind of battery charge data storage and extracting method, purpose exist
Data volume is recorded in reducing, alleviates the transimission and storage pressure of data.
To achieve these goals, the present invention adopts the following technical scheme that：
The present invention is storage and the extracting method of a kind of battery charging curve data, including step：
(1) according to different battery types, setting voltage spaces value Δ V；
(2) the initial voltage data value V at record battery management system start-up operation moment0With initial capacity data value Q0；
(3) V is enabled1Represent the voltage data value of previous record, P1Represent the capacitance increase peak-data of previous record
Value, Q1The capacity data value of previous record is represented, by real-time voltage value V2, real time capacity data value Q2It is stored in battery management system
The buffer area of system, as real-time voltage value V2Meet subtract previous record voltage data value absolute value be more than or equal to set in advance
During fixed voltage spaces value, i.e., | V2-V1During | >=Δ V, then pass through formulaCapacity increment peak value P is calculated2,
And by V2、P2It stores to battery management system persistent storage or background server；
(4) step (3) is repeated, until electricity is full of；
(5) to real-time voltage value V2, capacity increment peak value P2Data enable x-axis represent cell voltage, y-axis represents into row interpolation
Capacity increment has n data point (x in stored record1,y1),(x2,y2),…,(xn,yn), it is obtained by Lagrange's interpolation
Interpolating function restores, and formula is as follows：Numerical integration is carried out to the curve, is obtained
Obtain voltage, capacity increment charging curve.
Preferably, the section of voltage spaces value Δ V is 2mv~5mv in the step (1), according to different battery classes
The experimental data of type determines, such as LFP batteries, Δ V=2mV~3mV；For LNMCO batteries, Δ V=5mV；For LTO
Battery, Δ V=4mV.
Preferably, V in the step (3)2、P2The memory gap of storage such as is at the voltage spaces, and unorthodox method
Constant duration.
Preferably, the data recorded in the step (3) use process or off-line state for discontinuous simultaneously
Under battery data analysis.
Preferably, the charging curve obtained in the step (5) is continuous, smooth, restores charge data information
The battery charging curve of details, the charge data information are for analyzing battery safety, evaluating filling for its health status
Electric data information.
The invention has the beneficial effects that：Based on capacity increment analysis theories, voltage data, capacity increment data are carried out
Record, using the total amount of data of this method record compared with the total amount of data that constant duration records, the data of this method record
Total amount substantially reduces, and effectively alleviates the transimission and storage pressure of data.
Description of the drawings：
Fig. 1 is the method for the present invention flow diagram.
Specific embodiment
Make specific introduce to the present invention below in conjunction with the drawings and specific embodiments.
As shown in Figure 1：The present embodiment is storage and the extracting method of a kind of battery charging curve data, including step：
(1) according to different battery types, voltage spaces value Δ V is set, the section of wherein voltage spaces value Δ V is 2mv, real
Border can also be 5mv in, be determined according to the experimental data of different battery types, such as LFP batteries, Δ V=2mV,
Can also be 3mV in actual use；For LNMCO batteries, Δ V=5mV；For LTO batteries, Δ V=4mV.
(2) the initial voltage data value V at record battery management system start-up operation moment0With initial capacity data value Q0；
(3) V is enabled1Represent the voltage data value of previous record, P1Represent the capacitance increase peak-data of previous record
Value, Q1The capacity data value of previous record is represented, by real-time voltage value V2, real time capacity data value Q2It is stored in battery management system
The buffer area of system, as real-time voltage value V2Meet subtract previous record voltage data value absolute value be more than or equal to set in advance
During fixed voltage spaces value, i.e., | V2-V1During | >=Δ V, then pass through formulaCapacity increment peak value P is calculated2,
And by V2、P2It stores to battery management system persistent storage or background server；Wherein V2、P2The memory gap of storage is
Voltage spaces, and the constant duration of unorthodox method, and the data recorded are simultaneously for discontinuous using process or offline
Battery data analysis under state.
(4) step (3) is repeated, until electricity is full of；
(5) to real-time voltage value V2, capacity increment peak value P2Data enable x-axis represent cell voltage, y-axis represents into row interpolation
Capacity increment has n data point (x in stored record1,y1),(x2,y2),…,(xn,yn), it is obtained by Lagrange's interpolation
Interpolating function restores, and formula is as follows：Numerical integration is carried out to the curve, is obtained
Voltage, capacity increment charging curve are obtained, the charging curve of the acquisition is continuous, smooth, restores charge data detail of information
Battery charging curve, wherein, charge data information is the charge data for analyzing battery safety, evaluating its health status
Information.
The method of the present invention is based on capacity increment analysis theories, and voltage data, capacity increment data are recorded, using this
Compared with the total amount of data that constant duration records, the total amount of data of this method record significantly subtracts the total amount of data of method record
It is few, effectively alleviate the transimission and storage pressure of data.
The basic principles, main features and advantages of the invention have been shown and described above.The technical staff of the industry should
Understand, the invention is not limited in any way above-described embodiment, all to be obtained by the way of equivalent substitution or equivalent transformation
Technical solution is all fallen in protection scope of the present invention.
Claims (5)
1. storage and the extracting method of a kind of battery charging curve data, including step：
(1) according to different battery types, setting voltage spaces value Δ V；
(2) the initial voltage data value V at record battery management system start-up operation moment0With initial capacity data value Q0；
(3) V is enabled1Represent the voltage data value of previous record, P1Represent the capacitance increase peak data value of previous record, Q1
The capacity data value of previous record is represented, by real-time voltage value V2, real time capacity data value Q2It is stored in the slow of battery management system
Area is deposited, as real-time voltage value V2The absolute value for meeting the voltage data value for subtracting previous record is more than or equal to preset electricity
When pressing spacing value, i.e., | V2-V1During | >=Δ V, then pass through formulaCapacity increment peak value P is calculated2, and by V2、
P2It stores to battery management system persistent storage or background server；
(4) step (3) is repeated, until electricity is full of；
(5) to real-time voltage value V2, capacity increment peak value P2Data enable x-axis represent cell voltage, y-axis represents capacity into row interpolation
Increment has n data point (x in stored record1,y1),(x2,y2),…,(xn,yn), interpolation is obtained by Lagrange's interpolation
Function restores, and formula is as follows：Numerical integration is carried out to the curve, obtains electricity
Pressure, capacity increment charging curve.
2. storage and the extracting method of a kind of battery charging curve data according to claim 1, which is characterized in that described
The step of (1) in the section of voltage spaces value Δ V be 2mv~5mv.
3. storage and the extracting method of a kind of battery charging curve data according to claim 1, which is characterized in that described
The step of (3) in V2、P2The memory gap of storage such as is at the voltage spaces.
4. storage and the extracting method of a kind of battery charging curve data according to claim 1, which is characterized in that described
The step of (3) in data for recording analyzed simultaneously for the discontinuous battery data using under process or off-line state.
5. storage and the extracting method of a kind of battery charging curve data according to claim 1, which is characterized in that described
The step of (5) in obtain charging curve be it is continuous, smooth, recovery charge data detail of information battery charging curve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810066632.6A CN108248431A (en) | 2018-01-23 | 2018-01-23 | A kind of battery charge data storage and extracting method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810066632.6A CN108248431A (en) | 2018-01-23 | 2018-01-23 | A kind of battery charge data storage and extracting method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108248431A true CN108248431A (en) | 2018-07-06 |
Family
ID=62742163
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810066632.6A Pending CN108248431A (en) | 2018-01-23 | 2018-01-23 | A kind of battery charge data storage and extracting method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108248431A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112000549A (en) * | 2020-08-21 | 2020-11-27 | 北京浪潮数据技术有限公司 | Capacity analysis method of storage equipment and related device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20140077815A1 (en) * | 2012-09-18 | 2014-03-20 | Apple Inc. | Method and apparatus for determining a capacity of a battery |
| US20150349385A1 (en) * | 2014-04-01 | 2015-12-03 | Medtronic, Inc. | Method and System for Predicting Useful Life of a Rechargeable Battery |
| CN105548907A (en) * | 2016-01-15 | 2016-05-04 | 北京交通大学 | New energy vehicle data recording method based on battery management system |
| CN105711519A (en) * | 2016-04-29 | 2016-06-29 | 奇瑞汽车股份有限公司 | Method for calculating driving mileage of pure-electric vehicle |
-
2018
- 2018-01-23 CN CN201810066632.6A patent/CN108248431A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20140077815A1 (en) * | 2012-09-18 | 2014-03-20 | Apple Inc. | Method and apparatus for determining a capacity of a battery |
| US20150349385A1 (en) * | 2014-04-01 | 2015-12-03 | Medtronic, Inc. | Method and System for Predicting Useful Life of a Rechargeable Battery |
| CN105548907A (en) * | 2016-01-15 | 2016-05-04 | 北京交通大学 | New energy vehicle data recording method based on battery management system |
| CN105711519A (en) * | 2016-04-29 | 2016-06-29 | 奇瑞汽车股份有限公司 | Method for calculating driving mileage of pure-electric vehicle |
Non-Patent Citations (1)
| Title |
|---|
| 张吉瑞: "《化工数值方法》", 30 September 1995, 中国石化出版社 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112000549A (en) * | 2020-08-21 | 2020-11-27 | 北京浪潮数据技术有限公司 | Capacity analysis method of storage equipment and related device |
| CN112000549B (en) * | 2020-08-21 | 2022-06-17 | 北京浪潮数据技术有限公司 | Capacity analysis method of storage equipment and related device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112363075A (en) | Lithium ion battery aging evaluation method | |
| CN103048626A (en) | Method for accurately estimating SOC (State of Charge) | |
| TWI431892B (en) | Energy management method, system and computer readable storage medium for storing thereof | |
| WO2013182382A2 (en) | Method for controlling the charging operation in an electric motor vehicle | |
| CN117767495B (en) | A photovoltaic system battery charging and discharging monitoring system | |
| WO2024183743A1 (en) | Online prediction method and apparatus for residual life of energy storage battery | |
| CN113495212B (en) | Maintenance regeneration times and cycle life estimation method for maintainable regenerated battery | |
| CN102412606A (en) | Charging controller and control method thereof | |
| CN103682457A (en) | Method and device for controlling lithium battery formation | |
| CN103616643B (en) | Analyze the data processing method of battery operation operating mode | |
| CN107045104A (en) | A kind of On-line Estimation method of lithium titanate battery capacity | |
| CN116118552B (en) | A method and system for controlling automobile power batteries considering carbon emissions | |
| CN106779340B (en) | Extraction method and evaluation system of typical working condition curve of energy storage system | |
| CN108248431A (en) | A kind of battery charge data storage and extracting method | |
| CN105548907B (en) | New energy vehicle data record method based on battery management system | |
| CN117621896A (en) | Control method of split type direct current charging pile | |
| CN114910793B (en) | SOH estimation method for series battery pack of energy storage power station | |
| CN102426450B (en) | Data acquisition monitoring method of electric vehicle charging monitoring system | |
| CN118739608A (en) | Microgrid monitoring system based on source, grid, load and storage | |
| CN107294121B (en) | A method and system for obtaining a typical working condition curve of an energy storage system | |
| CN107589374A (en) | Batteries of electric automobile inclusion quantity evaluation method | |
| CN116707098B (en) | Power supply charging and discharging display control system and method | |
| CN114290959B (en) | Active life control method and system for power battery and computer readable storage medium | |
| CN107257750A (en) | Battery cell and corresponding operation method with monitoring device | |
| EP4360187A1 (en) | Modifying battery charging algorithm based on charging history |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180706 |