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A detection method based on a battery consistency detection and classification device

A technology of classification device and detection method, which is applied in the direction of measurement device, measurement of electricity, measurement of electricity variables, etc., can solve the problem of not being able to screen in large quantities, and achieve the effects of reducing heat soaking management work, simple and feasible efficiency, and convenient control.

Active Publication Date: 2018-06-15
XUZHOU LIREN MONORAIL TRANSPORTATION EQUIP CO LTD
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

[0004] The purpose of the present invention is to provide a detection method based on a battery consistency detection and classification device to solve the problem that a large batch of batteries cannot be screened at one time

Method used

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  • A detection method based on a battery consistency detection and classification device
  • A detection method based on a battery consistency detection and classification device
  • A detection method based on a battery consistency detection and classification device

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Experimental program
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Embodiment 1

[0040] Embodiment 1: The detection device for evaluating the thermal consistency of the battery includes: an infrared thermal imager and a control cabinet; the infrared thermal imager is placed above the control cabinet and can cover the control cabinet. The infrared thermal imaging camera can receive the infrared rays reflected by the measured object and convert them into corresponding grayscales, and then obtain the temperature and thermal image of the object according to the grayscale values.

[0041] The control cabinet includes a control unit and a battery placement unit. The battery placement unit is connected to the control unit through wires; figure 2 In , the same letter means the network label, indicating the electrical connection, for example, the positive pole A+ of the first battery of the battery placement unit, the interface A+ of the single-chip microcomputer in the control unit and the interface A+ of the multiplexer are connected.

[0042] The control unit ...

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Abstract

A battery consistency detection and classification method and apparatus, relating to battery detection methods and apparatuses. The detection apparatus comprises an infrared thermal imager and a control cabinet. The infrared thermal imager is placed above the control cabinet. The infrared thermal imager receives infrared rays reflected by a detected object, converts the infrared rays into a corresponding gray scale, and acquires a temperature and a thermal image of the object according to the value of the gray scale. The control cabinet comprises a control unit and a battery placement unit. The battery placement unit is connected to the control unit by using a wire. The control unit comprises an electronic load, a charger, a microcontroller, and a multiplexer. The charger and the electronic load have multiple channels. The microcontroller is sequentially connected to the electronic load, the charger, and the multiplexer. The multiplexer is sequentially connected to the electronic load and the charger. By means of the method and the apparatus, mass heat consistency screening test can be performed, so that the possibility of performance change of a battery pack caused by heat inconsistency in actual use is reduced, and soaking management of a battery management system is reduced.

Description

technical field [0001] The invention relates to a battery detection method and device, in particular to a detection method based on a battery consistency detection and classification device. Background technique [0002] Batteries (such as supercapacitors, lithium batteries, etc.) The parameters will also be inconsistent, and the battery will be overcharged or overdischarged during use. [0003] Therefore, the consistency evaluation method of single battery is particularly important. The current single battery consistency evaluation method is to detect the capacity difference of the single battery, the AC and DC internal resistance difference, and the initial voltage difference for matching and screening. There are few reports on the evaluation of battery consistency through thermal effects. Chinese invention patent application 201110360055.X discloses "a method for evaluating the consistency of secondary batteries based on thermal effects". The disadvantage of this meth...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01R31/36
CPCG01R31/36
Inventor 周公博王后连朱真才李洋李伟曹国华彭玉兴
Owner XUZHOU LIREN MONORAIL TRANSPORTATION EQUIP CO LTD
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