CN101350429B - Hierarchical pairing method for lithium ion battery - Google Patents
Hierarchical pairing method for lithium ion battery Download PDFInfo
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- CN101350429B CN101350429B CN2008100303687A CN200810030368A CN101350429B CN 101350429 B CN101350429 B CN 101350429B CN 2008100303687 A CN2008100303687 A CN 2008100303687A CN 200810030368 A CN200810030368 A CN 200810030368A CN 101350429 B CN101350429 B CN 101350429B
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- 229910001416 lithium ion Inorganic materials 0.000 title claims abstract description 21
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 title claims description 19
- 238000000034 method Methods 0.000 title abstract description 14
- 229910052744 lithium Inorganic materials 0.000 claims description 18
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 17
- 238000004088 simulation Methods 0.000 claims description 10
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- 150000002641 lithium Chemical class 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 238000007619 statistical method Methods 0.000 description 1
Classifications
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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
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Landscapes
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Secondary Cells (AREA)
Abstract
The invention relates to the field of Li-ion batteries, disclosing a Li-ion battery grading and matching method. The grading method includes the procedures that a bar-code identifier is assigned to a finished battery in the data base of the bar-code system; the attribute information of the battery is stored in the data base of the bar-code system to make the attribute information correspond to the bar-code identifier; after each battery production procedure, the battery attribute information in the data base of the bar-code system is updated; according to the final attribute information recorded in the data base of the bar-code system, the battery is graded. The grading method is capable of grading batteries efficiently, and the production efficiency is improved due to the reduction of labor and cost.
Description
Technical field
The present invention relates to the lithium ion battery field, relate in particular to a kind of lithium ion battery classification, matching method.
Background technology
Lithium battery is a kind of of secondary cell (being rechargeable type).Advantages such as lithium battery has that energy density height, operating voltage height, serviceability temperature scope are big, memory-less effect, life-span are long.Yet lithium ion battery operation in process of production is many, and the preparation condition harshness is subjected to bad many factor affecting easily, causes the consistency of battery itself also undesirable.Battery low pressure usually in circular flow, inflatable, has influenced user's use at low the appearance.
When battery pack was matched, the difference of the individual battery in the battery pack too conference influenced the actual effect of whole battery group, even causes battery pack to scrap in advance especially.
Therefore, in the production process of battery, the utmost point is necessary every attribute of battery is followed the trail of, selected and matches, and battery is pressed grade separation, chooses defective products, and the individual difference of battery pack diminishes.
But the work to battery classification, pairing only rests on the mode of manually battery being carried out record sort at present.But in the face of modern large-scale production, particularly in the production for the battery pack pairing, can't carry out manually that attributes such as capacity, voltage and internal resistance compare, analysis and grade separation be right to ten hundreds of batteries.Especially one group battery carries out the assembling of pairing one by one of voltage, internal resistance and capacity more than 10 or 10, produces daily more than thousand groups, and manpower can't bear the heavy load.
And adopt the manual record classification also easily because artificial fatigue causes error, be unfavorable for the accuracy of classification, pairing.
To sum up, use existing lithium ion battery classification, matching technology not only accuracy can not be guaranteed, also human cost is high.
Summary of the invention
The embodiment of the invention provides a kind of lithium ion battery stage division, the grade of definite battery of energy efficiently and accurately, and can save human cost and enhance productivity.
The lithium ion battery stage division that the embodiment of the invention provides comprises:
Be the unique bar code mark of finished product battery-allocated in bar code system, in the database of described bar code system, set up the attribute information of described battery and the corresponding relation of described bar code mark;
Described battery is carried out the capacity sorting, determines the capacity information of described each battery, add the capacity information of described each battery to described database,
After described capacity sorting, measure other attribute informations of determining described each battery, add other attribute informations of current described each battery that measures to described database, upgrade described database, other attribute informations of wherein said battery comprise: voltage, thickness and internal resistance information;
Described each battery is carried out vibration simulation, behind vibration simulation, measure the current attribute information of each battery, add the current attribute information of described each battery of measuring to described database, upgrade described database, the current attribute information of wherein said battery comprises voltage, thickness and internal resistance information;
Described battery is carried out high temperature to be shelved, shelve the current attribute information that each battery is measured in the back at high temperature, add the current attribute information of described each battery of measuring to described database, upgrade described database, the current attribute information of wherein said battery comprises voltage, thickness and internal resistance information;
According to the final attribute information of each battery that writes down in the current described database, determine the grade of described each battery, the final attribute information of described each battery comprises capacity, voltage, thickness and internal resistance information.
Optionally, after the grade of determining described battery, also comprise:
According to the final attribute information of all described each batteries and the grade of described each battery, described battery is matched, form battery pack.
Optionally, in step: after described capacity sorting, measure other attribute informations of determining described each battery, add other attribute informations of current described each battery that measures to described database, upgrade after the described database,
In step: before described each battery carried out vibration simulation, also comprise:
Current attribute information according to each battery of described data-base recording screens out underproof lithium battery.
Optionally, in step: behind vibration simulation, measure the current attribute information of each battery, add other attribute informations of current described each battery that measures to described database, upgrade after the described database,
In step: described battery is carried out also comprise before high temperature shelves:
Current attribute information according to the battery of described data-base recording screens out underproof lithium battery.
Optionally, in step: shelve the current attribute information that each battery is measured in the back at high temperature, add other attribute informations of current described each battery that measures to described database, upgrade after the described database,
In step: the final attribute information of each battery that writes down in according to current described database, determine also to comprise before the grade of described each battery:
Current attribute information according to each battery of described data-base recording screens out underproof lithium battery.
Therefore, because the embodiment of the invention is after obtaining the finished product battery, with every attribute information of battery (such as capacity, voltage, thickness, internal resistance etc.) be input in the database of bar code system, in the database of this bar code system, the bar code mark that every battery corresponding is unique, the bar code that the attribute information of every battery and this battery are corresponding is represented corresponding, after every operation of battery production, upgrade the attribute information that writes down in the database of bar code system, after all process steps is finished, the final attribute information of the battery that writes down in the database according to bar code system is determined the grade of battery.The attribute information of battery is followed the tracks of and is adopted computer system from motion tracking, can not exist owing to the artificial tired problem that causes writing down staging error, not only can significantly reduce human cost, can also improve the accuracy and the efficient of classification greatly.
Use the technical scheme of the embodiment of the invention, help guaranteeing the accuracy of follow-up battery pack pairing.
Description of drawings
Accompanying drawing described herein is used to provide further understanding of the present invention, constitutes the application's a part, does not constitute to improper qualification of the present invention, in the accompanying drawings:
A kind of lithium ion battery classification, matching method schematic flow sheet that Fig. 1 provides for the embodiment of the invention 1.
Embodiment
Describe the present invention in detail below in conjunction with accompanying drawing and specific embodiment, be used for explaining the present invention in this illustrative examples of the present invention and explanation, but not as a limitation of the invention.
Embodiment 1:
Referring to Fig. 1, lithium ion battery classification, matching method that present embodiment provides may further comprise the steps:
Step 101 after obtaining the finished product lithium ion battery, is the unique bar code mark of finished product battery-allocated in the database of bar code system.
After obtaining the finished product lithium ion battery, in the database of bar code system the unique bar code mark of each finished product battery-allocated one.This bar code printing is come out, this bar code is attached on the battery, in each follow-up production process, all can use this lithium battery of this bar code mark like this.
Step 102, with capacity sorting cabinet on the finished product battery, measure the capacity of battery, after measurement, the information of each battery of capacity sorting cabinet record is imported respectively, stored in the bar code system database, make in the database of bar code system, the capacity information of each battery is corresponding with the bar code mark of this battery respectively.
Step 103, after the capacity sorting finishes, lithium battery is unloaded and measures other attributes of each lithium battery, information such as voltage, internal resistance and thickness such as battery, then each measured attribute information is stored in the bar code system database with an input respectively, make in the database of bar code system, the attribute information of each battery is corresponding with the bar code mark of this battery respectively.
Step 104 according to the attribute information of each current lithium battery, screens out underproof lithium battery.
This step is an optional step, and the user can be at any time according to current attribute data, and wherein underproof battery is picked out.
Step 105 is carried out vibration simulation to lithium battery, and behind vibration simulation, at the attribute information of measuring each battery, and with the current attribute information input bar code system that records, upgrades the attribute information of each battery in the database of bar code system.
Step 106 according to the attribute information of each current lithium battery, screens out underproof lithium battery.
This step is an optional step, and the user can be at any time according to current attribute data, and wherein underproof battery is picked out.
Step 107 is carried out high temperature with battery and is shelved, and after high temperature is shelved, measures the current attribute information of battery once more, and with the current attribute information input bar code system that records, upgrades the attribute information of each battery in the database of bar code system.
Step 108 according to the attribute information of each current lithium battery, screens out underproof lithium battery.
This step is an optional step, and the user can be at any time according to current attribute data, and wherein underproof battery is picked out.
Step 109, after finishing all process steps, the final attribute information of the described battery that writes down in the database according to described bar code system is determined the grade of described battery.
The operator is scanned the bar code on each battery, and bar code system reads the sign of each bar code, matches this bar code sign in the bar code data storehouse, finds the attribute information of this battery, such as: capacity, voltage, internal resistance and thickness etc.
Can utilize programming software that the attribute informations such as capacity, voltage, internal resistance and thickness of battery are carried out number statistical analysis, ordering and individual screening etc., the hierarchical policy according to predetermined carries out sorting to battery automatically.
Since after every operation, all in bar code system, upgrade the attribute information of battery, so after finishing all process steps, the attribute information in the bar code data storehouse is final attribute information, the actual conditions of reflection lithium ion battery before dispatching from the factory.Therefore it will be more accurate according to final attribute information lithium ion battery being carried out grade classification.
When classification, according to the information such as capacity, voltage, internal resistance and thickness of battery, can utilize the software analysis data to obtain the classification condition, assign at last and instruct each terminal machine, operating personnel to utilize terminal equipment that battery is carried out automatic sorting.
By on see that the attribute information of battery is followed the tracks of and adopted computer system from motion tracking, can not exist because artificial fatigue causes writing down the problem of staging error, not only can significantly reduce human cost, can also improve the accuracy and the efficient of classification greatly.
Step 110, according to the final attribute information of all batteries, and the grade of each battery, battery is matched, form battery pack.
In the production of battery pack pairing, can also comprise this step: according to the final attribute information of above-mentioned battery, and the grade of each battery, the pairing strategy according to predetermined matches the assembled battery group to battery.
Because the battery attribute information of reference is the information of battery reality when pairing, and more accurate to the grade classification of battery, therefore, can be more accurate when battery is matched, can reduce the individual difference of battery pack as much as possible, guarantee the actual effect of battery pack.
More than the technical scheme that the embodiment of the invention provided is described in detail, used specific case herein the principle and the execution mode of the embodiment of the invention are set forth, the explanation of above embodiment only is applicable to the principle that helps to understand the embodiment of the invention; Simultaneously, for one of ordinary skill in the art, according to the embodiment of the invention, the part that on embodiment and range of application, all can change, in sum, this description should not be construed as limitation of the present invention.
Claims (5)
1. a lithium ion battery stage division is characterized in that, comprising:
Be the unique bar code mark of finished product battery-allocated in bar code system, in the database of described bar code system, set up the attribute information of described battery and the corresponding relation of described bar code mark;
Described battery is carried out the capacity sorting, determines the capacity information of described each battery, add the capacity information of described each battery to described database,
After described capacity sorting, measure other attribute informations of determining described each battery, add other attribute informations of current described each battery that measures to described database, upgrade described database, other attribute informations of wherein said battery comprise: voltage, thickness and internal resistance information;
Described each battery is carried out vibration simulation, behind vibration simulation, measure the current attribute information of each battery, add the current attribute information of described each battery of measuring to described database, upgrade described database, the current attribute information of wherein said battery comprises voltage, thickness and internal resistance information;
Described battery is carried out high temperature to be shelved, shelve the current attribute information that each battery is measured in the back at high temperature, add the current attribute information of described each battery of measuring to described database, upgrade described database, the current attribute information of wherein said battery comprises voltage, thickness and internal resistance information;
According to the final attribute information of each battery that writes down in the current described database, determine the grade of described each battery, the final attribute information of described each battery comprises capacity, voltage, thickness and internal resistance information.
2. lithium ion battery stage division according to claim 1 is characterized in that, after the grade of determining described each battery, also comprises:
According to the final attribute information of all described each batteries and the grade of described each battery, described battery is matched, form battery pack.
3. lithium ion battery stage division according to claim 1 is characterized in that,
In step: after described capacity sorting, measure other attribute informations of determining described each battery, add other attribute informations of current described each battery that measures to described database, upgrade after the described database,
In step: before described each battery carried out vibration simulation, also comprise:
Current attribute information according to each battery of described data-base recording screens out underproof lithium battery.
4. lithium ion battery stage division according to claim 1 is characterized in that,
In step: behind vibration simulation, measure the current attribute information of each battery, add other attribute informations of current described each battery that measures to described database, upgrade after the described database,
In step: described battery is carried out also comprise before high temperature shelves:
Current attribute information according to the battery of described data-base recording screens out underproof lithium battery.
5. lithium ion battery stage division according to claim 1 is characterized in that,
In step: shelve the current attribute information that each battery is measured in the back at high temperature, add other attribute informations of current described each battery that measures to described database, upgrade after the described database,
In step: the final attribute information of each battery that writes down in according to current described database, determine also to comprise before the grade of described each battery:
Current attribute information according to each battery of described data-base recording screens out underproof lithium battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100303687A CN101350429B (en) | 2008-08-26 | 2008-08-26 | Hierarchical pairing method for lithium ion battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100303687A CN101350429B (en) | 2008-08-26 | 2008-08-26 | Hierarchical pairing method for lithium ion battery |
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| Publication Number | Publication Date |
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| CN101350429A CN101350429A (en) | 2009-01-21 |
| CN101350429B true CN101350429B (en) | 2011-03-23 |
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| CN2008100303687A Expired - Fee Related CN101350429B (en) | 2008-08-26 | 2008-08-26 | Hierarchical pairing method for lithium ion battery |
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Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102059220B (en) * | 2010-11-19 | 2013-01-09 | 天津力神电池股份有限公司 | Integrated system for grading and sorting batteries |
| CN103769374A (en) * | 2012-10-22 | 2014-05-07 | 北汽福田汽车股份有限公司 | Sorting method of lithium ion batteries |
| CN103230883A (en) * | 2013-03-20 | 2013-08-07 | 浙江杭可科技有限公司 | Automatic grading control apparatus of power lithium battery |
| DE102013008165A1 (en) | 2013-05-13 | 2014-11-13 | Li-Tec Battery Gmbh | Electrochemical energy converter with a security feature |
| CN104461552B (en) * | 2014-12-16 | 2018-04-03 | 用友软件股份有限公司 | The analytic method and resolver of bar code attribute |
| CN105335787A (en) * | 2015-11-12 | 2016-02-17 | 天津力神电池股份有限公司 | On-line repairing work processing method of cell |
| CN105676139B (en) * | 2016-01-22 | 2018-04-06 | 深圳市智锂能源科技有限公司 | It is a kind of that intelligent management and the method and device of retrospect are carried out to electrokinetic cell |
| CN111167748B (en) * | 2019-11-29 | 2022-05-27 | 荆门亿纬创能锂电池有限公司 | Battery screening method |
| CN111136033A (en) * | 2020-01-08 | 2020-05-12 | 山东精工电源科技有限公司 | Screening method for consistency of lithium ion batteries |
| CN113759254B (en) * | 2021-09-27 | 2023-12-26 | 中国联合网络通信集团有限公司 | Battery reorganization method, device, equipment and storage medium |
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