CN112002952A - Battery pack management method with switchable capacity - Google Patents
Battery pack management method with switchable capacity Download PDFInfo
- Publication number
- CN112002952A CN112002952A CN202010504989.5A CN202010504989A CN112002952A CN 112002952 A CN112002952 A CN 112002952A CN 202010504989 A CN202010504989 A CN 202010504989A CN 112002952 A CN112002952 A CN 112002952A
- Authority
- CN
- China
- Prior art keywords
- battery pack
- discharging
- voltage value
- charging
- cycle number
- Prior art date
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Links
- 238000007726 management method Methods 0.000 title claims abstract description 32
- 238000007599 discharging Methods 0.000 claims abstract description 33
- 238000000034 method Methods 0.000 claims abstract description 8
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/44—Methods for charging or discharging
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
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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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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Secondary Cells (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention relates to a capacity switchable battery pack management method, which comprises a charger, a discharging tool, a battery pack and a BMS battery management system, wherein the battery pack management method sequentially comprises the following steps: acquiring a protection voltage value, recording the cycle number N of charging or discharging, comparing the cycle number N with a preset cycle number M, and changing the voltage value of the battery pack for charging or discharging; the invention has the advantages that: the method comprises the steps of obtaining a protection voltage value, recording the number of charging or discharging cycles N in the step two, comparing the number of cycles N with the preset number of cycles M in the step three, changing the charging or discharging voltage value of the battery pack in the step four, and changing the capacity of the battery pack by changing the charging or discharging voltage value, so that the capacity of the battery pack can be freely set according to different application occasions, the characteristic that the capacity of the battery pack can be flexibly adjusted is achieved, the safety performance in delivery and transportation is guaranteed, and the transportation cost is greatly reduced.
Description
Technical Field
The invention relates to a battery pack management method with switchable capacity.
Background
Along with the improvement of living standard, the application of battery package is more and more extensive, and the battery package is all a capacity at present, and the battery package cost of large capacity can increase in some countries, and the battery package of large capacity is low at the security performance of transportation, is unfavorable for the transportation.
Disclosure of Invention
The invention aims to provide a battery pack management method with switchable capacity, which can adjust the charge-discharge voltage value to realize different capacities of a battery pack so as to ensure the safety performance of the battery pack in the transportation process.
In order to solve the technical problems, the invention is realized by the following technical scheme: a capacity switchable battery pack management method comprises a charger, a discharging tool, a battery pack and a BMS battery management system, wherein the charger is used for charging the battery pack, the discharging tool is used for discharging the battery pack, the BMS battery management system is used for collecting the voltage of the battery pack in real time, and the battery pack management method sequentially comprises the following steps:
the method comprises the following steps: acquiring a protection voltage value of charging or discharging of the battery pack;
step two: charging or discharging the battery pack according to the protection voltage value obtained in the step one, and recording the cycle number N of charging or discharging through a BMS battery management system;
step three: judging whether the cycle number N in the step two reaches a preset cycle number M, returning to the step two when the cycle number N in the step two is smaller than the preset cycle number M, and entering into the step four when the cycle number N in the step two is larger than the preset cycle number M;
step four: the voltage value of the charge or discharge of the battery pack is changed.
Preferably, the protection voltage value in the first step is set to a half voltage value.
Preferably, the voltage value in step four is changed through WIFI or Bluetooth.
Preferably, the BMS battery management system further includes a button for adjusting a charge and discharge voltage value of the battery pack, and the voltage value of the battery pack is changed by the button.
Preferably, the full-capacity charging and discharging of the battery pack are realized through WIFI, Bluetooth and keys after the first M circulation times.
In conclusion, the invention has the advantages that: the method comprises the steps of obtaining a protection voltage value, recording the number of charging or discharging cycles N in the step two, comparing the number of cycles N with the preset number of cycles M in the step three, changing the charging or discharging voltage value of the battery pack in the step four, and changing the capacity of the battery pack by changing the charging or discharging voltage value, so that the capacity of the battery pack can be freely set according to different application occasions, the characteristic that the capacity of the battery pack can be flexibly adjusted is achieved, the safety performance in delivery and transportation is ensured, the transportation cost is greatly reduced, secondly, the voltage of the battery pack is collected in real time through a BMS battery management system, the charging and discharging voltage values of the battery pack can be accurately recorded and judged, and the safety performance of the battery pack is improved.
Additional features and advantages of the invention will be set forth in the detailed description which follows.
Detailed Description
A capacity switchable battery pack management method comprises a charger, a discharging tool, a battery pack and a BMS battery management system, wherein the charger is used for charging the battery pack, the discharging tool is used for discharging the battery pack, the BMS battery management system is used for collecting the voltage of the battery pack in real time, and the management method sequentially comprises the following steps:
the method comprises the following steps: acquiring a protection voltage value of charging or discharging of the battery pack;
step two: charging or discharging the battery pack according to the protection voltage value obtained in the step one, and recording the cycle number N of charging or discharging through a BMS battery management system;
step three: judging whether the cycle number N in the step two reaches a preset cycle number M, returning to the step two when the cycle number N in the step two is smaller than the preset cycle number M, and entering into the step four when the cycle number N in the step two is larger than the preset cycle number M;
step four: the voltage value of the charge or discharge of the battery pack is changed.
Because the capacity of the battery pack is in direct proportion to the voltage, the capacity of the battery pack can be expected by adjusting the voltage, if 50% of the capacity is needed, the charging voltage can be adjusted, when the charging voltage of the battery pack reaches 3.5 × N, the charging is stopped, the capacity of the battery pack at the moment reaches the needed requirement, the discharging voltage can be adjusted, when the discharging voltage of the battery pack is lower than 3.5 × N, the discharging is stopped, and the capacity of the battery pack at the moment also meets the requirement, so the capacity of the battery pack can be automatically switched by the management method of the battery pack, the battery pack is ensured to be safer and more reliable in the transportation process, and the transportation cost is also reduced.
The protection voltage value in the step one is set to be a half voltage value, when the battery pack is used, after the battery pack is cycled for N times, when the preset cycle number M is met, the BMS battery management system can automatically restore the charged or discharged protection voltage to a normal value, the voltage value in the step four is changed through WIFI or Bluetooth, different changing methods can be selected according to different environments, the practicability is good, and the battery pack can adapt to different working environments and operators.
BMS battery management system still includes the button that is used for adjusting battery package charge-discharge voltage value, the voltage value of battery package changes through the button, can further increase the mode of the charge-discharge voltage value of battery package, adapts to different occasions, realizes the full capacity charge-discharge of battery package through WIFI, bluetooth, button after M circulation number in the front, can satisfy the user and force the full capacity operation of battery package when using, guarantees battery package operating time.
Other embodiments of the present invention than the preferred embodiments described above will be apparent to those skilled in the art from the present invention, and various changes and modifications can be made therein without departing from the spirit of the present invention as defined in the appended claims.
Claims (5)
1. A capacity switchable battery pack management method comprises a charger, a discharging tool, a battery pack and a BMS battery management system, wherein the charger is used for charging the battery pack, the discharging tool is used for discharging the battery pack, and the BMS battery management system is used for collecting the voltage of the battery pack in real time, and is characterized in that: the management method sequentially comprises the following steps:
the method comprises the following steps: acquiring a protection voltage value of charging or discharging of the battery pack;
step two: charging or discharging the battery pack according to the protection voltage value obtained in the step one, and recording the cycle number N of charging or discharging through a BMS battery management system;
step three: judging whether the cycle number N in the step two reaches a preset cycle number M, returning to the step two when the cycle number N in the step two is smaller than the preset cycle number M, and entering into the step four when the cycle number N in the step two is larger than the preset cycle number M;
step four: the voltage value of the charge or discharge of the battery pack is changed.
2. The switchable capacity battery pack management method of claim 1, wherein: and setting the protection voltage value in the step one to be a half voltage value.
3. The switchable capacity battery pack management method of claim 1, wherein: and the voltage value in the fourth step is changed through WIFI or Bluetooth.
4. The switchable battery pack management method of claim 3, wherein: the BMS battery management system further comprises a key for adjusting the charging and discharging voltage values of the battery pack, and the voltage values in the fourth step are also changed through the key.
5. The switchable battery pack management method of claim 4, wherein: the full capacity charge and discharge of battery package is realized through WIFI or bluetooth or button behind M preceding cycle number.
Priority Applications (1)
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CN202010504989.5A CN112002952B (en) | 2020-06-05 | 2020-06-05 | Battery pack management method with switchable capacity |
Applications Claiming Priority (1)
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CN202010504989.5A CN112002952B (en) | 2020-06-05 | 2020-06-05 | Battery pack management method with switchable capacity |
Publications (2)
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CN112002952A true CN112002952A (en) | 2020-11-27 |
CN112002952B CN112002952B (en) | 2024-04-26 |
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Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH09120843A (en) * | 1995-10-24 | 1997-05-06 | Sony Corp | Secondary battery charging/discharging method and control device for charging and discharging |
CN2824320Y (en) * | 2005-07-28 | 2006-10-04 | 比亚迪股份有限公司 | Intelligent cell pack |
CN106067572A (en) * | 2016-07-25 | 2016-11-02 | 江苏聚合新能源科技有限公司 | A kind of discharge control method of lithium ion battery bag |
CN106684479A (en) * | 2016-07-27 | 2017-05-17 | 芜湖格利特新能源科技有限公司 | Cascade utilization method for power battery in micro-grid energy storage |
CN110401253A (en) * | 2019-09-18 | 2019-11-01 | 浙江动一新能源动力科技股份有限公司 | A kind of recognition methods between battery pack and battery pack and charger, electrical equipment |
KR20190127312A (en) * | 2018-05-04 | 2019-11-13 | 주식회사 엘지화학 | Battery management apparatus and charging method thereof |
CN110716145A (en) * | 2019-11-18 | 2020-01-21 | 中国电波传播研究所(中国电子科技集团公司第二十二研究所) | Intelligent battery testing system and testing method based on Internet of things |
CN110758173A (en) * | 2019-10-25 | 2020-02-07 | 广东维可特科技有限公司 | Control method and device of charging and discharging detection system and storage medium |
-
2020
- 2020-06-05 CN CN202010504989.5A patent/CN112002952B/en active Active
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH09120843A (en) * | 1995-10-24 | 1997-05-06 | Sony Corp | Secondary battery charging/discharging method and control device for charging and discharging |
CN2824320Y (en) * | 2005-07-28 | 2006-10-04 | 比亚迪股份有限公司 | Intelligent cell pack |
CN106067572A (en) * | 2016-07-25 | 2016-11-02 | 江苏聚合新能源科技有限公司 | A kind of discharge control method of lithium ion battery bag |
CN106684479A (en) * | 2016-07-27 | 2017-05-17 | 芜湖格利特新能源科技有限公司 | Cascade utilization method for power battery in micro-grid energy storage |
KR20190127312A (en) * | 2018-05-04 | 2019-11-13 | 주식회사 엘지화학 | Battery management apparatus and charging method thereof |
CN110401253A (en) * | 2019-09-18 | 2019-11-01 | 浙江动一新能源动力科技股份有限公司 | A kind of recognition methods between battery pack and battery pack and charger, electrical equipment |
CN110758173A (en) * | 2019-10-25 | 2020-02-07 | 广东维可特科技有限公司 | Control method and device of charging and discharging detection system and storage medium |
CN110716145A (en) * | 2019-11-18 | 2020-01-21 | 中国电波传播研究所(中国电子科技集团公司第二十二研究所) | Intelligent battery testing system and testing method based on Internet of things |
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CN112002952B (en) | 2024-04-26 |
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