CN112526347A - Evaluation model of lithium ion power battery for retired vehicle - Google Patents

Evaluation model of lithium ion power battery for retired vehicle Download PDF

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Publication number
CN112526347A
CN112526347A CN202011270791.1A CN202011270791A CN112526347A CN 112526347 A CN112526347 A CN 112526347A CN 202011270791 A CN202011270791 A CN 202011270791A CN 112526347 A CN112526347 A CN 112526347A
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CN
China
Prior art keywords
battery
lithium ion
power battery
ion power
charging module
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
Application number
CN202011270791.1A
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Chinese (zh)
Inventor
杨鑫
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.)
Risacolin Shanghai New Energy Co ltd
Original Assignee
Risacolin Shanghai New Energy 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.)
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Publication date
Application filed by Risacolin Shanghai New Energy Co ltd filed Critical Risacolin Shanghai New Energy Co ltd
Priority to CN202011270791.1A priority Critical patent/CN112526347A/en
Publication of CN112526347A publication Critical patent/CN112526347A/en
Pending legal-status Critical Current

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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/36Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
    • G01R31/367Software therefor, e.g. for battery testing using modelling or look-up tables
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/005Testing of electric installations on transport means
    • G01R31/006Testing of electric installations on transport means on road vehicles, e.g. automobiles or trucks
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/36Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
    • G01R31/3644Constructional arrangements
    • G01R31/3646Constructional arrangements for indicating electrical conditions or variables, e.g. visual or audible indicators
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/36Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
    • G01R31/3644Constructional arrangements
    • G01R31/3648Constructional arrangements comprising digital calculation means, e.g. for performing an algorithm
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/36Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
    • G01R31/378Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC] specially adapted for the type of battery or accumulator
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/36Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
    • G01R31/385Arrangements for measuring battery or accumulator variables
    • G01R31/387Determining ampere-hour charge capacity or SoC
    • G01R31/388Determining ampere-hour charge capacity or SoC involving voltage measurements
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/36Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
    • G01R31/392Determining battery ageing or deterioration, e.g. state of health

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Secondary Cells (AREA)

Abstract

The invention discloses a lithium ion power battery evaluation model for a retired vehicle, which comprises a processor, wherein the output end of the processor is respectively and electrically connected with a database, a charging module and a touch screen display, the output ends of the database, the charging module and the touch screen display are electrically connected with the processor, and the charging module comprises a charger, a current sensor, a voltage sensor and a discharger. The invention is used for processing the data fed back by the charging module by arranging the processor, storing the data of the previous battery and the standard data of the new battery by arranging the database, monitoring and recording the electric quantity charged in the battery by arranging the charging module, and inputting the battery integrity numerical value observed by a detector by arranging the touch screen display, and simultaneously solves the problems of single index, low data source accuracy and higher requirement on the data quantity of the existing lithium ion power battery evaluation device.

Description

Evaluation model of lithium ion power battery for retired vehicle
Technical Field
The invention relates to the technical field of recycling of ion batteries, in particular to an evaluation model of a lithium ion power battery for a retired vehicle.
Background
The new energy automobile taking the lithium ion power battery as an energy source enters a concentrated retired scrapping period after years of development and serves as the most important part of the new energy automobile, the recovery of the lithium ion power battery is the key point of the recovery work, the retired capacity of the lithium ion power battery for the automobile is generally 80%, the high capacity is still kept, if the lithium ion power battery can enter a echelon utilization link, the lithium ion power battery continues to serve other power supply scene functions, the value of the lithium ion power battery can be fully exerted, the cost of the whole industrial chain can be shared, the lithium ion power battery for the retired automobile has high storage, transportation and disassembly costs, and the lithium ion power battery for the retired automobile is preferably tested and evaluated before entering the retired link to judge whether the lithium ion power battery is suitable.
The existing lithium ion power battery evaluation device has high requirements on data quantity, has anatomical requirements on a battery pack, has single evaluation index, influences the evaluation of the lithium ion power battery, and cannot meet the use requirement.
Disclosure of Invention
The invention aims to provide an evaluation model of a lithium ion power battery for a retired vehicle, which has the advantages of accurate data source, rich evaluation indexes, no need of disassembling a battery pack body and low requirement on historical data, and solves the problems that the conventional evaluation device of the lithium ion power battery has high requirement on data quantity, has anatomical requirement on the battery pack and single evaluation index, influences the evaluation of the lithium ion power battery and delays the subsequent use.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a lithium ion power battery aassessment model for retired vehicle, includes the treater, the output of treater is connected with database, the module of charging and touch screen display ware respectively electricity, the output of database, the module of charging and touch screen display ware all is connected with the treater electricity.
Preferably, the charging module comprises a charger, a current sensor, a voltage sensor and a discharger, and the output end of the charger is electrically connected with the input end of the battery.
Preferably, the output end of the battery is electrically connected with a discharger, and the output end of the discharger is electrically connected with the input ends of the current sensor and the voltage sensor respectively.
Preferably, the touch screen display comprises a display and an input.
Compared with the prior art, the invention has the following beneficial effects:
1. the invention is used for processing the data fed back by the charging module by arranging the processor, storing the data of the previous battery and the standard data of the new battery by arranging the database, monitoring and recording the electric quantity charged in the battery by arranging the charging module, inputting the integrity value of the battery observed by a detector by arranging the touch screen display, outputting the detection result for the observation of the detector, and simultaneously solving the problems that the existing lithium ion power battery evaluation device is complicated, influences the evaluation of the lithium ion power battery and delays the subsequent use.
2. The battery charging device comprises a charging module, a discharger, a current sensor, a voltage sensor, a processor and a touch screen display, wherein the charging module is used for charging electric energy into a battery, so that whether the capacity of the battery can meet the requirement of subsequent use is judged, the discharger is used for releasing the electric energy in the battery, the current and the voltage released by the battery are recorded through the current sensor and the voltage sensor, the processor is used for comparing the current and the voltage with standard values, a contrast value is output to the touch screen display for observation and judgment of personnel, the display is used for displaying the judged values, and an input device is used for inputting detection digits of the integrity of the battery by the detection personnel.
3. The invention gives consideration to safety, residual value and equivalent life prediction by setting rich evaluation indexes, thereby reflecting the state and the availability of the battery more accurately. The input equipment imports the original data of the battery test into the back end, the result is directly output after automatic calculation, and personnel can directly read the result.
Drawings
FIG. 1 is a schematic diagram of the system of the present invention;
fig. 2 is a schematic diagram of a charging module according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description herein, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings to facilitate the description of the patent and to simplify the description, but do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be considered limiting of the patent. In the description of the present application, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can, for example, be fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate. The term "lithium dendrite precipitation level" is the ratio of the amount of electricity required for lithium dendrite growth in a full charge state to the capacity of the negative electrode. "safety" refers to the possibility of safe operation of a lithium battery, taking the logarithm of the level of lithium dendrite precipitation. The "residual value" refers to the residual capacity of the battery, and is the amount of electricity discharged by the battery when the battery is fully discharged. The "equivalent life" refers to the number of cycle cycles for which the battery is charged and discharged in a full-charge-empty-charge manner, and the capacity is reduced to 50%. Referring to fig. 1-2, an evaluation model of a lithium ion power battery for a retired vehicle comprises a processor, wherein an output end of the processor is electrically connected with a database, a charging module and a touch screen display respectively, output ends of the database, the charging module and the touch screen display are electrically connected with the processor, the processor is arranged for processing data fed back by the charging module, the database is arranged for storing data of a previous battery and standard data of a new battery, the charging module is arranged for monitoring and recording electric quantity charged in the battery, the touch screen display is arranged for inputting a battery integrity value observed by a detector and outputting a detection result for the observer, the charging module comprises a charger, a current sensor, a voltage sensor and a discharger, an output end of the charger is electrically connected with an input end of the battery, the charging module is used for charging electric energy into the battery, so that whether the capacity of the battery can meet subsequent use is judged, the output end of the battery is electrically connected with the discharger, the output end of the discharger is electrically connected with the input ends of the current sensor and the voltage sensor respectively, the discharger is used for releasing the electric energy in the battery, the current and the voltage released by the battery are recorded through the current sensor and the voltage sensor, the processor is used for comparing with a standard numerical value, a comparison value is output to the touch screen display for people to observe and judge, the touch screen display comprises a display and an input device, the display is used for displaying the judged numerical value, and the input device is used for inputting detection digits of the integrity of the battery by detection people.
When the battery charger is used, the battery is connected with the charging module, the charging module is controlled by the processor to charge electric energy into the battery, the battery is discharged through the discharger after being fully charged, the current and voltage numbers are detected through the current sensor and the voltage sensor and are sent into the processor to be processed, the current and voltage values of brand new batteries in the database are read through the processor and are compared with the detected values, the output percentage is displayed through the touch screen display, the detected result is sent into the database to be stored, the battery is divided into three types, namely, the battery is not available when the battery is less than 50%, the battery is available between 50% and 75%, the battery is excellent when the battery is more than 75%, the detected data are compared with the database through the processor, and whether the battery can enter a echelon utilization link is obtained.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (4)

1. The utility model provides a lithium ion power battery aassessment model for retired vehicle which characterized in that: indexes of the power battery evaluation model include Paul safety evaluation indexes and equivalent life evaluation.
2. The evaluation model of the lithium ion power battery for the retired vehicle as claimed in claim 1, wherein: the lithium dendrite precipitation level was evaluated as a safety index.
3. The evaluation model of the lithium ion power battery for the retired vehicle as claimed in claim 2, wherein: and calculating a phase transition occurrence interval of the negative electrode reaction by using a voltage-time curve in the battery discharging process, and estimating the lithium dendrite precipitation level in the full-charge state according to the phase transition occurrence interval.
4. The evaluation model of the lithium ion power battery for the retired vehicle as claimed in claim 1, wherein: and (4) estimating the equivalent life by utilizing the irreversible side reaction level of the battery.
CN202011270791.1A 2020-11-13 2020-11-13 Evaluation model of lithium ion power battery for retired vehicle Pending CN112526347A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011270791.1A CN112526347A (en) 2020-11-13 2020-11-13 Evaluation model of lithium ion power battery for retired vehicle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011270791.1A CN112526347A (en) 2020-11-13 2020-11-13 Evaluation model of lithium ion power battery for retired vehicle

Publications (1)

Publication Number Publication Date
CN112526347A true CN112526347A (en) 2021-03-19

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116466168A (en) * 2023-04-24 2023-07-21 江苏新博能源科技有限公司 New energy management platform anomaly monitoring system and method based on cloud computing

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116466168A (en) * 2023-04-24 2023-07-21 江苏新博能源科技有限公司 New energy management platform anomaly monitoring system and method based on cloud computing
CN116466168B (en) * 2023-04-24 2023-11-24 江苏新博能源科技有限公司 New energy management platform anomaly monitoring system and method based on cloud computing

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