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Double-glass component temperature impact resistance test method

A double-glass component, impact testing technology, applied in electrical components, measuring devices, strength characteristics, etc., can solve the problems of low test result accuracy, long test cycle, poor reliability, etc., and achieve accurate and reliable test results and low testing costs. , the effect of small footprint

Inactive Publication Date: 2019-07-16
YINGLI ENERGY CHINA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Aiming at the problems of high cost, long test period, inflexibility, low precision and poor reliability of test results, the performance test of existing dual-wave components is mostly carried out in an environmental test chamber, the present invention provides a temperature shock resistance test for double-glass components method

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] A method for testing the temperature shock resistance of a double-glass component, comprising the steps of:

[0024] (1) Carry out visual inspection, EL test and power test on the double-glass module samples under standard test conditions, and record the test results;

[0025] (2) Fix the hot spot couple on the surface of the double-glass component with heat-conducting glue, connect the temperature sensor for temperature monitoring, fix the double-glass component on the test stand, and connect the positive and negative poles of the DC stabilized current power supply to the double-glass respectively For the positive and negative poles of the component, feed the double-glass component with 1 times the optimal current (8.5A) of the component, heat the component for 35 minutes, disconnect the power supply, and immerse 2 / 3 of the double-glass component with a certain temperature in ice water In the mixture for 5 minutes, when the temperature of the component is consistent wi...

Embodiment 2

[0028] A method for testing the temperature shock resistance of a double-glass component, comprising the steps of:

[0029] (1) Carry out visual inspection, EL test and power test on the double-glass module samples under standard test conditions, and record the test results;

[0030] (2) Fix the hot spot couple on the surface of the double-glass component with heat-conducting glue, connect the temperature sensor for temperature monitoring, fix the double-glass component on the test stand, and connect the positive and negative poles of the DC stabilized current power supply to the double-glass respectively For the positive and negative poles of the component, feed 1.3 times the optimal current (10.4A) of the component to the double-glass component, heat the component for 30 minutes, disconnect the power supply, and immerse 1 / 2 of the double-glass component with a certain temperature in ice water In the mixture for 8 minutes, when the temperature of the component is consistent w...

Embodiment 3

[0033] A method for testing the temperature shock resistance of a double-glass component, comprising the steps of:

[0034] (1) Carry out visual inspection, EL test and power test on the double-glass module samples under standard test conditions, and record the test results;

[0035] (2) Fix the hot spot couple on the surface of the double-glass component with heat-conducting glue, connect the temperature sensor for temperature monitoring, fix the double-glass component on the test stand, and connect the positive and negative poles of the DC stabilized current power supply to the double-glass respectively For the positive and negative poles of the component, feed 2.5 times the optimal current (20.4A) of the component to the double-glass component, heat the component for 25 minutes, disconnect the power supply, and immerse 2 / 3 of the double-glass component with a certain temperature in ice water In the mixture for 10 minutes, when the temperature of the component is consistent ...

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Abstract

The invention relates to the technical field of double-glass photovoltaic components and particularly discloses a double-glass component temperature impact resistance test method. The method comprisesthe steps that a double-glass component sample is subject to appearance checking, EL testing and power testing; after a current is introduced into the double-glass component sample for heating treatment, shock cooling treatment is performed; and the double-glass component sample obtained after treatment is subject to appearance checking, EL testing and power testing again, and the testing resultis compared with a testing result of the double-glass component sample before treatment. Through the double-glass component temperature impact resistance test method, operation is easy, time is short,cost is low, and the testing result is more accurate and reliable.

Description

technical field [0001] The invention relates to the technical field of photovoltaic modules, in particular to a method for testing the temperature shock resistance of a double-glass module. Background technique [0002] In recent years, energy problems have become more and more serious, and the world has begun to develop and utilize new energy sources. As a new type of green renewable energy, solar energy has the advantages of large reserves, long life and no pollution, and has become the most promising new energy. The application of solar energy to power generation has become the focus of widespread attention. Light energy is a high-grade energy that is more convenient to use, transmit and distribute. Converting solar energy into electrical energy is an important technical basis for large-scale utilization of solar energy. Among them, photovoltaic modules are the core part of the photovoltaic power generation system and the most valuable part of the photovoltaic power gene...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N3/60H01L31/048
CPCG01N3/60H01L31/0488Y02E10/50
Inventor 王永泽李英叶谷彦校郭一李学健马海涛王振张曦
Owner YINGLI ENERGY CHINA
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