CN112002952A - Battery pack management method with switchable capacity - Google Patents

Battery pack management method with switchable capacity Download PDF

Info

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
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.)
Granted
Application number
CN202010504989.5A
Other languages
Chinese (zh)
Other versions
CN112002952B (en
Inventor
何志强
井超
余宝俊
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhejiang YAT Electrical Appliance Co Ltd
Original Assignee
Zhejiang YAT Electrical Appliance Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Zhejiang YAT Electrical Appliance Co Ltd filed Critical Zhejiang YAT Electrical Appliance Co Ltd
Priority to CN202010504989.5A priority Critical patent/CN112002952B/en
Publication of CN112002952A publication Critical patent/CN112002952A/en
Application granted granted Critical
Publication of CN112002952B publication Critical patent/CN112002952B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/42Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/44Methods for charging or discharging
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/42Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/425Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

Landscapes

  • 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

Battery pack management method with switchable capacity
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.
CN202010504989.5A 2020-06-05 2020-06-05 Battery pack management method with switchable capacity Active CN112002952B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010504989.5A CN112002952B (en) 2020-06-05 2020-06-05 Battery pack management method with switchable capacity

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010504989.5A CN112002952B (en) 2020-06-05 2020-06-05 Battery pack management method with switchable capacity

Publications (2)

Publication Number Publication Date
CN112002952A true CN112002952A (en) 2020-11-27
CN112002952B CN112002952B (en) 2024-04-26

Family

ID=73468132

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010504989.5A Active CN112002952B (en) 2020-06-05 2020-06-05 Battery pack management method with switchable capacity

Country Status (1)

Country Link
CN (1) CN112002952B (en)

Citations (8)

* Cited by examiner, † Cited by third party
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

Patent Citations (8)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
CN112002952B (en) 2024-04-26

Similar Documents

Publication Publication Date Title
CN205029381U (en) Digit BMS protection shield with secondary protect function
CN101969214B (en) Battery pack and control method thereof
CN205029329U (en) Simulate balanced BMS protection shield with secondary protect function
CN103611692A (en) Lithium iron phosphate power battery consistency matching screening method
CN205070405U (en) Simulate non - balanced BMS protection shield with secondary protect function
CN103972869A (en) Dual-protection system and method for batteries
CN103633695A (en) Improved lithium battery pack equalizing method and equalizing circuit thereof
CN111600353A (en) Lithium battery protection control ASIC chip system
CN112737015B (en) Lithium battery balance control system and control method based on SOC
CN110518667A (en) A kind of echelon utilizes battery parallel system and its control method
CN101442209A (en) Cascade combined protection equilibrium module for large-capacity lithium ion battery
CN104917155A (en) Battery protection method and apparatus
CN103401037B (en) A kind of charging method of traction accumulator
CN204978506U (en) Stable car power supply system
CN204538792U (en) A kind of parallel power supply system and power module
CN201758159U (en) Large capacity 12.8 V lithium battery
CN112002952A (en) Battery pack management method with switchable capacity
CN108347073A (en) Charge balancing control method for power lithium ion accumulator group
CN205195249U (en) Digit BMS protection shield with data storage function
CN116683586A (en) Charging method of charger and charger thereof
CN111181205A (en) Parallel high-voltage control box of battery system
CN112918325B (en) Method for realizing kinetic energy recovery by completely relying on lithium battery
CN205429784U (en) Be applied to lithium ion capacitor's management module
CN212137299U (en) Parallel high-voltage control box of battery system
CN204316079U (en) A kind of lithium battery protection circuit

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
CB02 Change of applicant information

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

CB02 Change of applicant information
GR01 Patent grant
GR01 Patent grant