CN112002952B - Battery pack management method with switchable capacity - Google Patents
Battery pack management method with switchable capacity Download PDFInfo
- Publication number
- CN112002952B CN112002952B CN202010504989.5A CN202010504989A CN112002952B CN 112002952 B CN112002952 B CN 112002952B CN 202010504989 A CN202010504989 A CN 202010504989A CN 112002952 B CN112002952 B CN 112002952B
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- China
- Prior art keywords
- battery pack
- voltage value
- discharging
- charging
- battery
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- 238000007726 management method Methods 0.000 title claims abstract description 30
- 238000007599 discharging Methods 0.000 claims abstract description 29
- 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 battery pack management method with switchable capacity, 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 the preset cycle number M, and changing the voltage value of charging or discharging of the battery pack; the invention has the advantages that: the method comprises the steps of obtaining a protection voltage value, recording the cycle times N of charging or discharging in the second step, comparing the cycle times N with the preset cycle times M in the third step, changing the voltage value of charging or discharging of the battery pack in the fourth step, and changing the capacity of the battery pack by changing the voltage value of charging or discharging.
Description
Technical Field
The invention relates to a battery pack management method with switchable capacity.
Background
Along with the improvement of living standard, the battery pack is more and more widely applied, the battery pack is of one capacity at present, the transportation cost of the battery pack with large capacity in some countries can be increased, and the safety performance of the battery pack with large capacity in the transportation process is low, so that the transportation is not facilitated.
Disclosure of Invention
The invention aims to provide a battery pack management method with switchable capacity, which can adjust charge and discharge voltage values to realize different capacities of a battery pack, thereby ensuring 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: the battery pack management method with the switchable capacity 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:
step one: acquiring a protection voltage value of charging or discharging of a battery pack;
step two: charging or discharging the battery pack according to the protection voltage value obtained in the first step, and recording the number of charging or discharging cycles N through the BMS battery management system;
Step three: judging whether the cycle number N in the second step reaches the preset cycle number M, returning to the second step when the cycle number N in the second step is smaller than the preset cycle number M, and entering the fourth step when the cycle number N in the second step 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 the fourth step is changed through WIFI or bluetooth.
Preferably, the BMS battery management system further includes a key for adjusting a charge and discharge voltage value of the battery pack, the voltage value of the battery pack being changed by the key.
Preferably, full-capacity charge and discharge of the battery pack are realized through WIFI, bluetooth and keys after the first M times of circulation.
In summary, the invention has the advantages that: the method has the advantages that the method comprises the steps of obtaining a protection voltage value, recording the cycle times N of charging or discharging in the second step, comparing the cycle times N with the preset cycle times M in the third step, changing the voltage value of charging or discharging of the battery pack, and changing the capacity of the battery pack by changing the voltage value of charging or discharging, so that the capacity of the battery pack can be freely set according to different application fields, the characteristic of flexible adjustment of the capacity of the battery pack is achieved, the safety performance in delivery and transportation is ensured, the transportation cost is greatly reduced, the voltage of the battery pack is acquired in real time through a BMS battery management system, the voltage value of charging or discharging of the battery pack can be accurately recorded and judged, and the safety performance of the battery pack is improved.
Other features and advantages of the present invention will be disclosed in the following detailed description.
Detailed Description
The battery pack management method with the switchable capacity 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:
step one: acquiring a protection voltage value of charging or discharging of a battery pack;
step two: charging or discharging the battery pack according to the protection voltage value obtained in the first step, and recording the number of charging or discharging cycles N through the BMS battery management system;
Step three: judging whether the cycle number N in the second step reaches the preset cycle number M, returning to the second step when the cycle number N in the second step is smaller than the preset cycle number M, and entering the fourth step when the cycle number N in the second step is larger than the preset cycle number M;
step four: the voltage value of the charge or discharge of the battery pack is changed.
The capacity of the battery pack has a direct proportion relation with the voltage, so that the capacity of the battery pack can be expected by adjusting the voltage, if 50% of the capacity is needed, the charging can be stopped when the charging voltage of the battery pack reaches 3.5 x N, the capacity of the battery pack at the moment reaches the required requirement, and the discharging can also be stopped when the discharging voltage of the battery pack is lower than 3.5 x N, and the capacity of the battery pack at the moment also meets the requirement.
When the battery pack is cycled for N times, the BMS battery management system can automatically restore the charged or discharged protection voltage to a normal value when the preset cycle times M are met, the voltage value in the fourth step is changed through WIFI or Bluetooth, different changing methods can be selected according to different environments, the practicality is good, and the battery pack can adapt to different working environments and operators.
The BMS battery management system further comprises a key used for adjusting the charge and discharge voltage value of the battery pack, the voltage value of the battery pack is changed through the key, the charge and discharge voltage value of the battery pack can be further increased, the BMS battery management system is suitable for different occasions, full-capacity charge and discharge of the battery pack are realized through WIFI, bluetooth and the key after the first M circulation times, the requirement that a user can force the battery pack to run in full capacity when using can be met, and the working time of the battery pack is ensured.
In addition to the above preferred embodiments, the present invention has other embodiments, and various changes and modifications may be made by those skilled in the art without departing from the spirit of the invention, which is defined in the appended claims.
Claims (3)
1. The utility model provides a capacity switchable battery package management method, includes charger, discharge tool, battery package and BMS battery management system, the charger is used for charging to the battery package, discharge tool is used for discharging to the battery package, BMS battery management system is used for gathering the voltage of battery package, its characterized in that in real time: the BMS battery management system also comprises a key for adjusting the charge and discharge voltage value of the battery pack, and the management method sequentially comprises the following steps:
step one: acquiring a protection voltage value of charging or discharging of a battery pack;
step two: charging or discharging the battery pack according to the protection voltage value obtained in the first step, and recording the number of charging or discharging cycles N through the BMS battery management system;
Step three: judging whether the cycle number N in the second step reaches the preset cycle number M, returning to the second step when the cycle number N in the second step is smaller than the preset cycle number M, and entering the fourth step when the cycle number N in the second step is larger than the preset cycle number M;
step four: the voltage value of charging or discharging of the battery pack is changed through the keys, and the voltage value is changed through WIFI or Bluetooth.
2. A method of capacity switchable battery pack management as claimed in claim 1, wherein: the protection voltage value in the first step is set to a half-voltage value.
3. A method of capacity switchable battery pack management as claimed in claim 1, wherein: and after the first M times of circulation, full-capacity charge and discharge of the battery pack are realized through WIFI or Bluetooth or keys.
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)
Publication Number | Publication Date |
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CN112002952A CN112002952A (en) | 2020-11-27 |
CN112002952B true CN112002952B (en) | 2024-04-26 |
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CN202010504989.5A Active CN112002952B (en) | 2020-06-05 | 2020-06-05 | Battery pack management method with switchable capacity |
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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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Country or region after: China Address after: No. 150 Wenlong Road, Yuxin Town, Nanhu District, Jiaxing City, Zhejiang Province Applicant after: Zhejiang Yate Electric Appliance Co.,Ltd. Address before: No. 150 Wenlong Road, Yuxin Town, Nanhu District, Jiaxing City, Zhejiang Province Applicant before: ZHEJIANG YAT ELECTRICAL APPLIANCE Co.,Ltd. Country or region before: China |
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