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Device and method for testing wet-state springback capability of AGM partition plate under different compression amounts

A technology of ability testing and compression, applied in measuring devices, using stable tension/pressure to test material strength, instruments, etc., can solve problems such as detection methods and technical indicators that are not clearly specified.

Pending Publication Date: 2022-02-25
FENGFAN
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

With the in-depth research of battery manufacturers on valve-controlled sealed batteries, it is found that the wet rebound ability of AGM separators has a great influence on the performance of batteries, but the detection method and technical indicators of AGM separator wet rebound ability in the national standard for separators no clear rules

Method used

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  • Device and method for testing wet-state springback capability of AGM partition plate under different compression amounts
  • Device and method for testing wet-state springback capability of AGM partition plate under different compression amounts
  • Device and method for testing wet-state springback capability of AGM partition plate under different compression amounts

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0060] Cut the AGM separator samples with a diameter of Φ60mm. The samples with a thickness of less than 1.5mm are grouped with 5 pieces, and the samples with a thickness greater than or equal to 1.5mm are grouped with 4 pieces. Cut 3 groups for use; The AGM separator samples in the first group are perforated first, and the holes are evenly perforated on the end surface of the entire sample. The interval between adjacent holes is not greater than 2mm, and the hole diameter is not greater than 0.2mm. When piercing, the above-mentioned AGM separator can be used to test the wet rebound ability under different compressions, and multiple sets of steel needles are evenly installed on the pressure-applying end, and the lifting assembly is used to complete the piercing operation of the sample. Afterwards, use a drying room to dry at 105±2°C for more than 1 hour. During the drying process, the drying room should maintain a negative pressure state, and finally take it out to the cooling ...

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Abstract

The invention provides a device and a method for testing wet-state springback capability of an AGM partition plate under different compression amounts, and belongs to the technical field of storage batteries. The device comprises a main rack, a clamping assembly, a lifting assembly, a data reading assembly and a liquid dropping assembly, wherein the main rack comprises a bottom support and a vertical beam arranged on the bottom support, the clamping assembly comprises a cushion block arranged on the upper end surface of the bottom support and a cover sheet arranged on the upper end surface of the cushion block, the lifting assembly is arranged on the vertical beam, a pressure applying end is connected to the lifting assembly, the data reading assembly comprises a pressure reading component and a displacement reading component, the pressure reading component is arranged on the lifting assembly, the displacement reading component is arranged on the vertical beam and connected with the lifting assembly, the liquid dropping assembly comprises a liquid dropping bracket arranged on one side of the main rack and a liquid dropping pipe longitudinally arranged on the liquid dropping bracket, and the liquid dropping pipe is connected with a flow guide nozzle through a flow guide pipe. By means of the device for testing the wet-state springback capability of the AGM partition plate under the different compression amounts, the AGM partition plate can be known and researched more deeply.

Description

technical field [0001] The invention belongs to the technical field of accumulators, and more specifically relates to a device and method for testing the resilience of AGM separators in wet state under different compression amounts. Background technique [0002] VRLA batteries are widely used in UPS power supply, electric bicycles, energy storage power stations, start-stop cars and other fields due to their poor liquid design, small self-discharge, maintenance-free, and flexible installation positions. [0003] Batteries have different requirements for battery performance due to different uses. The tightness of battery assembly, that is, the compression requirements for AGM separators vary greatly. The compression of separators ranges from 20% to 30%. The performance of controlled sealed batteries, especially the battery life, has a greater impact. [0004] AGM glass fiber separator is an important part of the valve-regulated lead-acid battery, and the performance of the se...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N3/08G01N3/04
CPCG01N3/08G01N3/04
Inventor 韩二莎王廷华陈二霞皇甫志坤王静孙晓飞王再红祖海川覃顺一
Owner FENGFAN
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