A power battery recycling management method, system and medium

Abstract

The embodiments of the present application provide a power battery recycling management method, system and medium, the method comprising: detecting whether the defects of the power battery exceed the set standard based on the current state of the power battery; if it exceeds the set standard, disassembling the corresponding power battery; if it does not exceed the set standard, charging and discharging the power battery multiple times to detect the capacity state of the power battery; classifying the power battery according to the capacity state, and classifying the power batteries for recycling according to the divided levels; analyzing and detecting the defect state of the power battery, recycling the power battery in different ways according to different defect states, realizing the reorganization, recycling and reuse of the power battery, and saving raw materials in the power battery production process.

Description

Technical Field

[0001] The present application relates to the technical field of power battery recycling, and in particular to a power battery recycling management method, system and medium. Background Art

[0002] Power batteries are power sources for tools, mostly referring to storage batteries that power electric vehicles, electric trains, electric bicycles, and golf carts. Power batteries are the core components of new energy vehicles and an important direction for future energy transformation. Power lithium battery recycling terminals are mainly aimed at home energy storage, shops, new energy distributed power generation, disaster prevention bases, and communication base station applications. The energy storage field does not have high requirements for energy density, but has relatively stringent requirements for cycle life and price. Considering multiple costs such as battery recycling, conversion, and transportation, the actual recycling value of used automotive batteries will be less than 10% of the cost of new batteries. The price can meet the energy storage requirements, but the verification of the cycle life also needs to be considered in the battery design to ensure the life requirements in the energy storage utilization link. In response to the above problems, effective technical solutions are urgently needed. Summary of the invention

[0003] The purpose of the embodiments of the present application is to provide a power battery recycling management method, system and medium, which analyzes and detects the defect status of the power battery, recycles the power battery in different ways according to different defect statuses, realizes the recombination, recycling and reuse of the power battery, and saves raw materials in the power battery production process.

[0004] The present application also provides a power battery recycling management method, including:

[0005] Based on the current state of the power battery, detect whether the defects of the power battery exceed the set standards;

[0006] If it exceeds the set standard, the corresponding power battery will be dismantled;

[0007] If it does not exceed the set standard, the power battery is charged and discharged multiple times to test the capacity status of the power battery;

[0008] The power batteries are classified into grades according to their capacity status, and are then sorted and recycled according to the grades.

[0009] Optionally, in the power battery recycling management method described in the embodiment of the present application, detecting whether the defects of the power battery exceed the set standard based on the current state of the power battery specifically includes:

[0010] Collect the appearance image of the power battery based on visual inspection technology, and analyze whether there are dents, bulges, cracks or scratches based on the appearance image;

[0011] If there is a depression, the depression depth is calculated to determine whether the depression depth exceeds a set first depth threshold;

[0012] If there is a bulge, the bulge height is calculated to determine whether the bulge height exceeds a set first height threshold;

[0013] If there is a crack, the crack width is calculated to determine whether the crack width exceeds the set width threshold;

[0014] If there is a scratch, the scratch depth is calculated to determine whether the scratch depth exceeds a set second depth threshold.

[0015] Optionally, in the power battery recycling management method described in the embodiment of the present application, if the set standard is exceeded, the corresponding power battery is disassembled; specifically including:

[0016] Obtain the current appearance of the power battery and analyze whether the appearance of the power battery has defects that exceed the set standards;

[0017] If there are defects that exceed the set standards, the corresponding power battery will be disassembled to obtain multiple battery components;

[0018] Perform functional testing on each disassembled battery component to obtain functional information;

[0019] Based on the functional testing standards, the functional information of different battery components is calculated and compared to obtain the functional similarity.

[0020] Based on whether the functional similarity is within a similarity threshold range, if so, the corresponding battery components are classified into the same category;

[0021] If not, the corresponding battery components are divided into different categories.

[0022] Optionally, in the power battery recycling management method described in the embodiment of the present application, if the set standard is exceeded, after the corresponding power battery is disassembled, the method further includes:

[0023] Each disassembled power battery is classified according to the function of its parts to obtain different types of parts;

[0024] Detect the usage status of parts in multiple different categories respectively, obtain the detection results, and analyze the damage degree of the parts according to the detection results;

[0025] If the damage degree of the component is less than the set damage degree threshold, the component is determined to be recyclable;

[0026] Reassemble multiple recyclable parts of different categories.

[0027] Optionally, in the power battery recycling management method described in the embodiment of the present application, the power battery is graded according to its capacity status, specifically including:

[0028] By charging and discharging the power battery multiple times, the capacity state of the power battery is detected to obtain multiple capacity values;

[0029] The average value of multiple capacity values ​​is processed to obtain an average capacity value;

[0030] Generate capacity ranges corresponding to different capacity levels according to the set capacity levels;

[0031] The average capacity value is compared with multiple set capacity ranges, and the power battery is classified into capacity grades according to the capacity range in which the average capacity value lies.

[0032] Optionally, in the power battery recycling management method described in the embodiment of the present application, the power batteries are classified and recycled according to the classified levels, specifically including:

[0033] The power battery is classified into capacity grades according to the capacity range in which the average capacity value is located, and the capacity grade is obtained;

[0034] Power batteries of the same capacity level are classified into the same category, and the same recycling method is generated according to the average capacity value corresponding to the current capacity level;

[0035] Divide power batteries of different capacity levels into different categories, and generate different recycling methods for power batteries of different categories according to their average capacity values;

[0036] Based on the recycling standards of power batteries, analyze whether the recycled power batteries meet the requirements. If they do not meet the requirements, adjust the recycling method to recycle the power batteries.

[0037] In a second aspect, an embodiment of the present application provides a power battery recycling management system, the system comprising: a memory and a processor, the memory comprising a program of a power battery recycling management method, and the program of the power battery recycling management method is executed by the processor to implement the following steps:

[0038] Based on the current state of the power battery, detect whether the defects of the power battery exceed the set standards;

[0039] If it exceeds the set standard, the corresponding power battery will be dismantled;

[0040] If it does not exceed the set standard, the power battery is charged and discharged multiple times to test the capacity status of the power battery;

[0041] The power batteries are classified into grades according to their capacity status, and are then sorted and recycled according to the grades.

[0042] Optionally, in the power battery recycling management system described in the embodiment of the present application, detecting whether the defects of the power battery exceed the set standard based on the current state of the power battery specifically includes:

[0043] Collect the appearance image of the power battery based on visual inspection technology, and analyze whether there are dents, bulges, cracks or scratches based on the appearance image;

[0044] If there is a depression, the depression depth is calculated to determine whether the depression depth exceeds a set first depth threshold;

[0045] If there is a bulge, the bulge height is calculated to determine whether the bulge height exceeds a set first height threshold;

[0046] If there is a crack, the crack width is calculated to determine whether the crack width exceeds the set width threshold;

[0047] If there is a scratch, the scratch depth is calculated to determine whether the scratch depth exceeds a set second depth threshold.

[0048] Optionally, in the power battery recycling management system described in the embodiment of the present application, if the set standard is exceeded, the corresponding power battery is disassembled; specifically including:

[0049] Obtain the current appearance of the power battery and analyze whether the appearance of the power battery has defects that exceed the set standards;

[0050] If there are defects that exceed the set standards, the corresponding power battery will be disassembled to obtain multiple battery components;

[0051] Perform functional testing on each disassembled battery component to obtain functional information;

[0052] Based on the functional testing standards, the functional information of different battery components is calculated and compared to obtain the functional similarity.

[0053] Based on whether the functional similarity is within a similarity threshold range, if so, the corresponding battery components are classified into the same category;

[0054] If not, the corresponding battery components are divided into different categories.

[0055] In a third aspect, an embodiment of the present application further provides a computer-readable storage medium, wherein the computer-readable storage medium includes a power battery recycling management method program. When the power battery recycling management method program is executed by a processor, the steps of the power battery recycling management method as described in any one of the above items are implemented.

[0056] As can be seen from the above, a power battery recycling management method, system and medium provided in the embodiments of the present application detect whether the defects of the power battery exceed the set standard based on the current state of the power battery; if it exceeds the set standard, the corresponding power battery is disassembled; if it does not exceed the set standard, the power battery is charged and discharged multiple times to detect the capacity state of the power battery; the power battery is graded according to the capacity state, and the power batteries are classified and recycled according to the graded levels; the defect state of the power battery is analyzed and detected, and the power battery is recycled in different ways according to different defect states, so as to realize the reorganization, recycling and reuse of the power battery and save raw materials in the power battery production process. BRIEF DESCRIPTION OF THE DRAWINGS

[0057] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings required for use in the embodiments of the present application will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the present application and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other related drawings can be obtained based on these drawings without paying creative work.

[0058] Figure 1 A flowchart of a power battery recycling management method provided in an embodiment of the present application;

[0059] Figure 2 A flow chart of a power battery defect detection method of a power battery recycling management method provided in an embodiment of the present application;

[0060] Figure 3 A flow chart of a power battery disassembly and processing method of a power battery recycling management method provided in an embodiment of the present application. DETAILED DESCRIPTION

[0061] The technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all of the embodiments. The components of the embodiments of the present application described and shown in the drawings here can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the application claimed for protection, but merely represents the selected embodiments of the present application. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without making creative work belong to the scope of protection of the present application.

[0062] It should be noted that similar reference numerals and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings. At the same time, in the description of this application, the terms "first", "second", etc. are only used to distinguish the description and cannot be understood as indicating or implying relative importance.

[0063] Please refer to Figure 1 , Figure 1 1 is a flow chart of a power battery recycling management method in some embodiments of the present application. The power battery recycling management method is used in a terminal device, and the power battery recycling management method includes the following steps:

[0064] S101, detecting whether defects of the power battery exceed a set standard based on the current state of the power battery;

[0065] S102, if it exceeds the set standard, the corresponding power battery is dismantled;

[0066] S103, if the capacity does not exceed the set standard, the power battery is charged and discharged multiple times to detect the capacity state of the power battery;

[0067] S104, classifying the power batteries according to their capacity status, and classifying the power batteries for recycling according to the classified levels.

[0068] It should be noted that the defects of the power battery are analyzed by collecting the current status of the power battery, and the power battery is recycled in different ways by analyzing the status of the defects. The recycling methods include disassembly and reassembly. Only when the defect exceeds the set defect standard, it is determined that the power battery cannot be reassembled and recycled. At this time, the power battery is disassembled to reduce the pollution of the power battery.

[0069] Please refer to Figure 2 , Figure 2 This is a flow chart of a power battery defect detection method of a power battery recycling management method in some embodiments of the present application. According to an embodiment of the present invention, detecting whether the defects of the power battery exceed the set standard based on the current state of the power battery specifically includes:

[0070] S201, collecting an appearance image of the power battery based on visual inspection technology, and analyzing whether there are dents, bulges, cracks or scratches based on the appearance image;

[0071] S202, if there is a depression, calculate the depression depth, and determine whether the depression depth exceeds a set first depth threshold;

[0072] S203, if there is a bulge, calculate the height of the bulge and determine whether the height of the bulge exceeds a set first height threshold;

[0073] S204, if there is a crack, calculate the crack width and determine whether the crack width exceeds a set width threshold;

[0074] S205: If there is a scratch, calculate the scratch depth and determine whether the scratch depth exceeds a set second depth threshold.

[0075] It should be noted that by photographing the power battery through visual inspection technology, the appearance image of the power battery is obtained, and the appearance defects of the power battery are analyzed by feature extraction of the appearance image, so as to judge whether different appearance defects exceed the corresponding defect threshold, thereby improving the accuracy of defect analysis.

[0076] Please refer to Figure 3 , Figure 3 This is a flow chart of a power battery disassembly method of a power battery recycling management method in some embodiments of the present application. According to an embodiment of the present invention, if the set standard is exceeded, the corresponding power battery will be disassembled; specifically including:

[0077] S301, obtaining the current appearance of the power battery, and analyzing whether the appearance of the power battery has defects exceeding a set standard;

[0078] S302, if there are defects exceeding the set standard, the corresponding power battery is disassembled to obtain multiple battery components, and each of the disassembled battery components is subjected to functional testing to obtain functional information;

[0079] S303, based on the functional detection standard, the functional information of different battery components is calculated and compared to obtain the functional similarity.

[0080] S304, based on whether the functional similarity is within a similarity threshold range, if so, the corresponding battery components are classified into the same category; if not, the corresponding battery components are classified into different categories.

[0081] It should be noted that during the disassembly of power batteries that exceed the set defect standards, functional testing is carried out on the disassembled battery components, so that they are classified according to different kinetic energy. During the classification process, the battery components are classified by analyzing the functional similarity, providing a basis for screening and assembly for the next step of power battery reorganization.

[0082] According to an embodiment of the present invention, if the set standard is exceeded, the corresponding power battery is disassembled, and the method further includes:

[0083] Each disassembled power battery is classified according to the function of its parts to obtain different types of parts;

[0084] Detect the usage status of parts in multiple different categories respectively, obtain the detection results, and analyze the damage degree of the parts according to the detection results;

[0085] If the damage degree of the component is less than the set damage degree threshold, the component is determined to be recyclable;

[0086] Reassemble multiple recyclable parts of different categories.

[0087] It should be noted that the status of the disassembled parts is analyzed to screen out the parts that can be reassembled. During the reassembly process, parts are selected from each category to recycle and reassemble the power batteries, thereby realizing the recycling of power battery parts.

[0088] According to an embodiment of the present invention, the level classification is performed according to the capacity state of the power battery, specifically including:

[0089] By charging and discharging the power battery multiple times, the capacity state of the power battery is detected to obtain multiple capacity values;

[0090] The average value of multiple capacity values ​​is processed to obtain an average capacity value;

[0091] Generate capacity ranges corresponding to different capacity levels according to the set capacity levels;

[0092] The average capacity value is compared with multiple set capacity ranges, and the power battery is classified into capacity grades according to the capacity range in which the average capacity value lies.

[0093] It should be noted that in the process of grading power batteries, the capacity state of the power batteries is obtained by charging and discharging the power batteries multiple times. The capacity states obtained during the multiple charging and discharging processes will have certain differences. In order to improve the accuracy of capacity grading, the capacity values ​​obtained multiple times are averaged.

[0094] According to an embodiment of the present invention, the power batteries are classified and recycled according to the classified levels, specifically including:

[0095] The power battery is classified into capacity grades according to the capacity range in which the average capacity value is located, and the capacity grade is obtained;

[0096] Power batteries of the same capacity level are classified into the same category, and the same recycling method is generated according to the average capacity value corresponding to the current capacity level;

[0097] Divide power batteries of different capacity levels into different categories, and generate different recycling methods for power batteries of different categories according to their average capacity values;

[0098] Based on the recycling standards of power batteries, analyze whether the recycled power batteries meet the requirements. If they do not meet the requirements, adjust the recycling method to recycle the power batteries.

[0099] It should be noted that power batteries are classified according to different capacity levels. The same category corresponds to the same recycling method, and different power batteries correspond to different recycling standards. The power battery is judged according to the recycling standards to see whether it meets the requirements, so as to continuously adjust the recycling method and realize the secondary recycling of power batteries as much as possible.

[0100] According to an embodiment of the present invention, a plurality of recyclable parts of different categories are reassembled, specifically including:

[0101] If the damage degree of the component is less than the set damage degree threshold, the component is determined to be recyclable and the recyclable component is repaired, and the repair method includes replacing the electrolyte or replacing the component shell;

[0102] Assembling the repaired parts to obtain a repaired power battery;

[0103] After charging the repaired battery to saturation, discharge it to a cut-off voltage at a set first rate to obtain a first charge-discharge state;

[0104] The repaired power battery is charged to saturation and then discharged to a cut-off voltage at a set second rate to obtain a second charge and discharge state;

[0105] Analyze the capacity change fluctuation rate of the reorganized power battery according to the first charge and discharge state and the second charge and discharge state;

[0106] Determine whether the capacity change fluctuation rate is greater than or equal to the set fluctuation rate threshold;

[0107] If it is greater than or equal to, the repair is judged to have failed;

[0108] If it is less than, the repair is considered successful.

[0109] It should be noted that the repaired power battery is tested by charging and discharging the battery, discharging it at different rates, and analyzing the capacity fluctuation of the power battery when discharging at different rates. In this way, the sustainability of the power battery is analyzed according to different discharge methods, thereby judging the repair effect of the power battery.

[0110] In a second aspect, an embodiment of the present application provides a power battery recycling management system, the system comprising: a memory and a processor, the memory comprising a program of a power battery recycling management method, and when the program of the power battery recycling management method is executed by the processor, the following steps are implemented:

[0111] Based on the current state of the power battery, detect whether the defects of the power battery exceed the set standards;

[0112] If it exceeds the set standard, the corresponding power battery will be dismantled;

[0113] If it does not exceed the set standard, the power battery is charged and discharged multiple times to test the capacity status of the power battery;

[0114] The power batteries are classified into grades according to their capacity status, and are then sorted and recycled according to the grades.

[0115] It should be noted that the defects of the power battery are analyzed by collecting the current status of the power battery, and the power battery is recycled in different ways by analyzing the status of the defects. The recycling methods include disassembly and reassembly. Only when the defect exceeds the set defect standard, it is determined that the power battery cannot be reassembled and recycled. At this time, the power battery is disassembled to reduce the pollution of the power battery.

[0116] According to an embodiment of the present invention, detecting whether the defects of the power battery exceed the set standard based on the current state of the power battery specifically includes:

[0117] Collect the appearance image of the power battery based on visual inspection technology, and analyze whether there are dents, bulges, cracks or scratches based on the appearance image;

[0118] If there is a depression, the depression depth is calculated to determine whether the depression depth exceeds a set first depth threshold;

[0119] If there is a bulge, the bulge height is calculated to determine whether the bulge height exceeds a set first height threshold;

[0120] If there is a crack, the crack width is calculated to determine whether the crack width exceeds the set width threshold;

[0121] If there is a scratch, the scratch depth is calculated to determine whether the scratch depth exceeds a set second depth threshold.

[0122] It should be noted that by photographing the power battery through visual inspection technology, the appearance image of the power battery is obtained, and the appearance defects of the power battery are analyzed by feature extraction of the appearance image, so as to judge whether different appearance defects exceed the corresponding defect threshold, thereby improving the accuracy of defect analysis.

[0123] According to an embodiment of the present invention, if the set standard is exceeded, the corresponding power battery is disassembled; specifically, the process includes:

[0124] Obtain the current appearance of the power battery and analyze whether the appearance of the power battery has defects that exceed the set standards;

[0125] If there are defects that exceed the set standards, the corresponding power battery will be disassembled to obtain multiple battery components;

[0126] Perform functional testing on each disassembled battery component to obtain functional information;

[0127] Based on the functional testing standards, the functional information of different battery components is calculated and compared to obtain the functional similarity.

[0128] Based on whether the functional similarity is within a similarity threshold range, if so, the corresponding battery components are classified into the same category;

[0129] If not, the corresponding battery components are divided into different categories.

[0130] It should be noted that during the disassembly of power batteries that exceed the set defect standards, functional testing is carried out on the disassembled battery components, so that they are classified according to different kinetic energy. During the classification process, the battery components are classified by analyzing the functional similarity, providing a basis for screening and assembly for the next step of power battery reorganization.

[0131] According to an embodiment of the present invention, if the set standard is exceeded, the corresponding power battery is disassembled, and the method further includes:

[0132] Each disassembled power battery is classified according to the function of its parts to obtain different types of parts;

[0133] Detect the usage status of parts in multiple different categories respectively, obtain the detection results, and analyze the damage degree of the parts according to the detection results;

[0134] If the damage degree of the component is less than the set damage degree threshold, the component is determined to be recyclable;

[0135] Reassemble multiple recyclable parts of different categories.

[0136] It should be noted that the status of the disassembled parts is analyzed to screen out the parts that can be reassembled. During the reassembly process, parts are selected from each category to recycle and reassemble the power batteries, thereby realizing the recycling of power battery parts.

[0137] According to an embodiment of the present invention, the level classification is performed according to the capacity state of the power battery, specifically including:

[0138] By charging and discharging the power battery multiple times, the capacity state of the power battery is detected to obtain multiple capacity values;

[0139] The average value of multiple capacity values ​​is processed to obtain an average capacity value;

[0140] Generate capacity ranges corresponding to different capacity levels according to the set capacity levels;

[0141] The average capacity value is compared with multiple set capacity ranges, and the power battery is classified into capacity grades according to the capacity range in which the average capacity value lies.

[0142] It should be noted that in the process of grading power batteries, the capacity state of the power batteries is obtained by charging and discharging the power batteries multiple times. The capacity states obtained during the multiple charging and discharging processes will have certain differences. In order to improve the accuracy of capacity grading, the capacity values ​​obtained multiple times are averaged.

[0143] According to an embodiment of the present invention, the power batteries are classified and recycled according to the classified levels, specifically including:

[0144] The power battery is classified into capacity grades according to the capacity range in which the average capacity value is located, and the capacity grade is obtained;

[0145] Power batteries of the same capacity level are classified into the same category, and the same recycling method is generated according to the average capacity value corresponding to the current capacity level;

[0146] Divide power batteries of different capacity levels into different categories, and generate different recycling methods for power batteries of different categories according to their average capacity values;

[0147] Based on the recycling standards of power batteries, analyze whether the recycled power batteries meet the requirements. If they do not meet the requirements, adjust the recycling method to recycle the power batteries.

[0148] It should be noted that power batteries are classified according to different capacity levels. The same category corresponds to the same recycling method, and different power batteries correspond to different recycling standards. The power battery is judged according to the recycling standards to see whether it meets the requirements, so as to continuously adjust the recycling method and realize the secondary recycling of power batteries as much as possible.

[0149] According to an embodiment of the present invention, a plurality of recyclable parts of different categories are reassembled, specifically including:

[0150] If the damage degree of the component is less than the set damage degree threshold, the component is determined to be recyclable and the recyclable component is repaired, and the repair method includes replacing the electrolyte or replacing the component shell;

[0151] Assembling the repaired parts to obtain a repaired power battery;

[0152] After charging the repaired battery to saturation, discharge it to a cut-off voltage at a set first rate to obtain a first charge-discharge state;

[0153] The repaired power battery is charged to saturation and then discharged to a cut-off voltage at a set second rate to obtain a second charge and discharge state;

[0154] Analyze the capacity change fluctuation rate of the reorganized power battery according to the first charge and discharge state and the second charge and discharge state;

[0155] Determine whether the capacity change fluctuation rate is greater than or equal to the set fluctuation rate threshold;

[0156] If it is greater than or equal to, the repair is judged to have failed;

[0157] If it is less than, the repair is considered successful.

[0158] It should be noted that the repaired power battery is tested by charging and discharging the battery, discharging it at different rates, and analyzing the capacity fluctuation of the power battery when discharging at different rates. In this way, the sustainability of the power battery is analyzed according to different discharge methods, thereby judging the repair effect of the power battery.

[0159] A third aspect of the present invention provides a computer-readable storage medium, which includes a power battery recycling management method program. When the power battery recycling management method program is executed by a processor, the steps of any of the power battery recycling management methods described above are implemented.

[0160] The present invention discloses a power battery recycling management method, system and medium, which detect whether the defects of the power battery exceed the set standard based on the current state of the power battery; if it exceeds the set standard, the corresponding power battery is disassembled; if it does not exceed the set standard, the power battery is charged and discharged multiple times to detect the capacity state of the power battery; the power battery is graded according to the capacity state, and the power batteries are classified and recycled according to the graded levels; the defect state of the power battery is analyzed and detected, and the power battery is recycled in different ways according to different defect states, so as to realize the recombination, recycling and reuse of the power battery and save raw materials in the power battery production process.

[0161] In the several embodiments provided in the present application, it should be understood that the disclosed devices and methods can be implemented in other ways. The device embodiments described above are only schematic. For example, the division of units is only a logical function division. There may be other division methods in actual implementation, such as: multiple units or components can be combined, or can be integrated into another system, or some features can be ignored or not executed. In addition, the coupling, direct coupling, or communication connection between the components shown or discussed can be through some interfaces, and the indirect coupling or communication connection of devices or units can be electrical, mechanical or other forms.

[0162] The units described above as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units; they may be located in one place or distributed on multiple network units; some or all of the units may be selected according to actual needs to achieve the purpose of the present embodiment.

[0163] In addition, all functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may be separately used as a unit, or two or more units may be integrated into one unit; the above-mentioned integrated units may be implemented in the form of hardware or in the form of hardware plus software functional units.

[0164] Those skilled in the art can understand that: all or part of the steps of implementing the above method embodiments can be completed by hardware related to program instructions, and the aforementioned program can be stored in a readable storage medium. When the program is executed, it executes the steps of the above method embodiments; and the aforementioned storage medium includes: mobile storage devices, read-only memories (ROM, Read-Only Memory), random access memories (RAM, Random Access Memory), disks or optical disks, and other media that can store program codes.

[0165] Alternatively, if the above-mentioned integrated unit of the present invention is implemented in the form of a software function module and sold or used as an independent product, it can also be stored in a readable storage medium. Based on this understanding, the technical solution of the embodiment of the present invention can be essentially or partly reflected in the form of a software product that contributes to the prior art. The software product is stored in a storage medium and includes several instructions for a computer device (which can be a personal computer, a server, or a network device, etc.) to execute all or part of the methods described in each embodiment of the present invention. The aforementioned storage medium includes: various media that can store program codes, such as mobile storage devices, ROM, RAM, magnetic disks or optical disks.

Claims

1. A power battery recycling management method, characterized in that: include: Based on the current state of the power battery, detect whether the defects of the power battery exceed the set standards; If it exceeds the set standard, the corresponding power battery will be dismantled; If it does not exceed the set standard, the power battery is charged and discharged multiple times to test the capacity status of the power battery; The power batteries are classified according to their capacity status and recycled according to the classified levels; If the set standard is exceeded, the corresponding power battery will be dismantled; specifically: Obtain the current appearance of the power battery and analyze whether the appearance of the power battery has defects that exceed the set standards; If there are defects that exceed the set standards, the corresponding power battery will be disassembled to obtain multiple battery components; Perform functional testing on each disassembled battery component to obtain functional information; Based on the functional testing standards, the functional information of different battery components is calculated and compared to obtain the functional similarity. Based on whether the functional similarity is within a similarity threshold range, if so, the corresponding battery components are classified into the same category; If not, the corresponding battery components are divided into different categories; If the set standard is exceeded, the corresponding power battery will be disassembled and the following will also be included: Each disassembled power battery is classified according to the function of its parts to obtain different types of parts; Detect the usage status of parts in multiple different categories respectively, obtain the detection results, and analyze the damage degree of the parts according to the detection results; If the damage degree of the component is less than the set damage degree threshold, the component is determined to be recyclable; Recombining multiple recyclable parts of different categories; Recombining multiple recyclable parts of different categories, including: If the damage degree of the component is less than the set damage degree threshold, the component is determined to be recyclable and the recyclable component is repaired, and the repair method includes replacing the electrolyte or replacing the component shell; Assembling the repaired parts to obtain a repaired power battery; After charging the repaired battery to saturation, discharge it to a cut-off voltage at a set first rate to obtain a first charge-discharge state; The repaired power battery is charged to saturation and then discharged to a cut-off voltage at a set second rate to obtain a second charge and discharge state; Analyze the capacity change fluctuation rate of the reorganized power battery according to the first charge and discharge state and the second charge and discharge state; Determine whether the capacity change fluctuation rate is greater than or equal to the set fluctuation rate threshold; If it is greater than or equal to, the repair is judged to have failed; If it is less than, the repair is considered successful.

2. The power battery recycling management method according to claim 1, characterized in that: Based on the current status of the power battery, the power battery defects are detected to see if they exceed the set standards, including: Collect the appearance image of the power battery based on visual inspection technology, and analyze whether there are dents, bulges, cracks or scratches based on the appearance image; If there is a depression, the depression depth is calculated to determine whether the depression depth exceeds a set first depth threshold; If there is a bulge, the bulge height is calculated to determine whether the bulge height exceeds a set first height threshold; If there is a crack, the crack width is calculated to determine whether the crack width exceeds the set width threshold; If there is a scratch, the scratch depth is calculated to determine whether the scratch depth exceeds a set second depth threshold.

3. The power battery recycling management method according to claim 1, characterized in that: The power battery is divided into different levels according to its capacity status, including: By charging and discharging the power battery multiple times, the capacity state of the power battery is detected to obtain multiple capacity values; The average value of multiple capacity values ​​is processed to obtain an average capacity value; Generate capacity ranges corresponding to different capacity levels according to the set capacity levels; The average capacity value is compared with multiple set capacity ranges, and the power battery is classified into capacity grades according to the capacity range in which the average capacity value lies.

4. The power battery recycling management method according to claim 3, characterized in that: The power batteries are classified and recycled according to the classified levels, including: The power battery is classified into capacity grades according to the capacity range in which the average capacity value is located, and the capacity grade is obtained; Power batteries of the same capacity level are classified into the same category, and the same recycling method is generated according to the average capacity value corresponding to the current capacity level; Divide power batteries of different capacity levels into different categories, and generate different recycling methods for power batteries of different categories according to their average capacity values; Based on the recycling standards of power batteries, analyze whether the recycled power batteries meet the requirements. If they do not meet the requirements, adjust the recycling method to recycle the power batteries.

5. A power battery recycling management system, characterized in that: The system includes: a memory and a processor, wherein the memory includes a program of a power battery recycling management method, and when the program of the power battery recycling management method is executed by the processor, the following steps are implemented: Based on the current state of the power battery, detect whether the defects of the power battery exceed the set standards; If it exceeds the set standard, the corresponding power battery will be dismantled; If it does not exceed the set standard, the power battery is charged and discharged multiple times to test the capacity status of the power battery; The power batteries are classified according to their capacity status and recycled according to the classified levels; If the set standard is exceeded, the corresponding power battery will be dismantled; specifically: Obtain the current appearance of the power battery and analyze whether the appearance of the power battery has defects that exceed the set standards; If there are defects that exceed the set standards, the corresponding power battery will be disassembled to obtain multiple battery components; Perform functional testing on each disassembled battery component to obtain functional information; Based on the functional testing standards, the functional information of different battery components is calculated and compared to obtain the functional similarity. Based on whether the functional similarity is within a similarity threshold range, if so, the corresponding battery components are classified into the same category; If not, the corresponding battery components are divided into different categories; If the set standard is exceeded, the corresponding power battery will be disassembled and the following will also be included: Each disassembled power battery is classified according to the function of its parts to obtain different types of parts; Detect the usage status of parts in multiple different categories respectively, obtain the detection results, and analyze the damage degree of the parts according to the detection results; If the damage degree of the component is less than the set damage degree threshold, the component is determined to be recyclable; Recombining multiple recyclable parts of different categories; Recombining multiple recyclable parts of different categories, including: If the damage degree of the component is less than the set damage degree threshold, the component is determined to be recyclable and the recyclable component is repaired, and the repair method includes replacing the electrolyte or replacing the component shell; Assembling the repaired parts to obtain a repaired power battery; After charging the repaired battery to saturation, discharging it to a cut-off voltage at a set first rate to obtain a first charge-discharge state; The repaired power battery is charged to saturation and then discharged to a cut-off voltage at a set second rate to obtain a second charge and discharge state; Analyze the capacity change fluctuation rate of the reorganized power battery according to the first charge and discharge state and the second charge and discharge state; Determine whether the capacity change fluctuation rate is greater than or equal to the set fluctuation rate threshold; If it is greater than or equal to, the repair is judged to have failed; If it is less than, the repair is considered successful.

6. The power battery recycling management system according to claim 5, characterized in that: Based on the current status of the power battery, the power battery defects are detected to see if they exceed the set standards, including: Collect the appearance image of the power battery based on visual inspection technology, and analyze whether there are dents, bulges, cracks or scratches based on the appearance image; If there is a depression, the depression depth is calculated to determine whether the depression depth exceeds a set first depth threshold; If there is a bulge, the bulge height is calculated to determine whether the bulge height exceeds a set first height threshold; If there is a crack, the crack width is calculated to determine whether the crack width exceeds the set width threshold; If there is a scratch, the scratch depth is calculated to determine whether the scratch depth exceeds a set second depth threshold.

7. A computer-readable storage medium, characterized in that: The computer-readable storage medium includes a power battery recycling management method program, and when the power battery recycling management method program is executed by a processor, the steps of the power battery recycling management method according to any one of claims 1 to 4 are implemented.

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