Method for sorting batteries according to battery volt-ampere curve

A technology of volt-ampere curves and volt-ampere characteristic curves, which is applied in the field of sorting batteries and sorting batteries according to the battery volt-ampere curves, can solve the problems of long detection time and large energy consumption, and achieve fast sorting speed, accurate classification, The effect of high sorting quality

Inactive Publication Date: 2005-09-07
韩伟
View PDF2 Cites 14 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The present invention proposes a method for sorting batteries according to the volt-ampere curve of the battery in view of the shortcomings of the above-mentioned prior art that the detec

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Method for sorting batteries according to battery volt-ampere curve
  • Method for sorting batteries according to battery volt-ampere curve
  • Method for sorting batteries according to battery volt-ampere curve

Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0033] Example one:

[0034] The 10 AA Ni-MH secondary batteries to be tested are placed in the battery testing equipment, and the discharge test is controlled by the computer. The voltage and current of each battery are collected and recorded, and the internal resistance R and the maximum power point P of the battery are calculated. The battery labels are: 1, 2, 3,..., 10. The data records are shown in the following table:

[0035] Battery

[0036] (1) If only the value of R is used as the sorting standard, and the standard for determining the type of battery is: R=15~20mΩ, then the above test result, the tested battery label is 1, 2, 3, 4, and 10 can be returned As a class.

[0037] (2) If R and U OC The value of is the reference standard for sorting, and the standard for determining this type of battery is: R=15~20mΩ, U OC =1.200~1.300V; According to the above test results, the tested batteries with numbers 1, 3, 4, and 10 can be classified into one category.

[003...

Example Embodiment

[0040] Embodiment two:

[0041] The 10 AAA Ni-MH secondary batteries to be tested are placed in the battery testing equipment, and the discharge test is controlled by the computer, and the open circuit voltage U of each battery is collected and recorded. OC , Short-circuit current I SC , And calculate the internal resistance R of the battery. If the battery labels are: 1, 2, 3,..., 10, the data records are shown in the following table:

[0042] Battery

[0043] (1) If only the value of R is used as the sorting standard, and the standard for this type of battery is: R=20~30mΩ, then the above test results, the number of the tested battery is 11, 12, 13, 14, 15, 16 , 17, 18, 19, and 20 can all be classified into one category.

[0044] (2) If R and I SC The value of is the reference standard for sorting, and the standard for determining this type of battery is: R=20~30mΩ, I SC =50~60A; According to the above test results, the tested batteries are labeled 11, 12, 13, 15, 18...

Example Embodiment

[0048] Embodiment three:

[0049] reference figure 2 , The secondary batteries labeled 21, 22, 23, 24 are placed in the testing equipment for high-current charging and discharging tests. The computer collects the data and processes them to form a volt-ampere characteristic curve. If you choose a tested battery AA volt-ampere The characteristic curve is the standard curve IV. Five characteristic points are selected for different currents i, ii, iii, iv, v: a, b, c, d, e, the error range is: ±50mV, and the characteristic point voltage is as follows The table shows:

[0050] Unit: (mV)

[0051] a

[0052] The test batteries 21, 22, 23, 24 take the corresponding characteristic points: a1, b1, c1, d1, and e1. The voltage values ​​of each point obtained by the computer sampling are shown in the following table:

[0053] Unit: (mV)

[0054] a1

[0055] It c...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

PUM

No PUM Login to view more

Abstract

This invention discloses one battery volt-ampere characteristic battery filtering method, which uses computer to control the charging process and collect the relative data on the characteristic curve and to filter the battery according to the data combination. The method is of high speed and is suitable for each type of batteries filtering.

Description

technical field [0001] The invention relates to a method for sorting batteries, more specifically to a method for sorting batteries according to the battery volt-ampere curve, and belongs to the field of battery detection. Background technique [0002] With the continuous expansion of the scope of use of secondary batteries, the process of industrialization and scale is also expanding. For one of the important processes in the battery production process-battery sorting, more effective methods are constantly emerging. For example: Chinese patent authorization announcement number CN1044408C, announcement date July 28, 1999, the name of the invention is: method for sorting secondary batteries, and Chinese patent publication number CN1508901A, publication date June 30, 2004, invention creation The title is: method for sorting secondary batteries, all disclose a method for sorting secondary batteries, but these methods all need to carry out a long-time complete secondary battery ...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

Application Information

Patent Timeline
no application Login to view more
IPC IPC(8): G01R31/36
CPCY02E60/10
Inventor 韩伟
Owner 韩伟
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap