A hot wire test device for photovoltaic materials

By employing a dual-chamber filter assembly, activated carbon particle adsorption, a wide-width inclined blade exhaust fan design, and a winding wheel weight system in the photovoltaic material glow wire test device, the problems of incomplete flue gas treatment and inaccurate sample position control were solved, achieving high efficiency, safety, and reliability of test results.

CN122109422APending Publication Date: 2026-05-29YANGZHOU MICRON TECHNOLOGY CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
YANGZHOU MICRON TECHNOLOGY CO LTD
Filing Date
2026-03-05
Publication Date
2026-05-29

AI Technical Summary

Technical Problem

Existing photovoltaic material glow wire testing equipment suffers from problems such as incomplete emission treatment, turbulent airflow, unstable test results, and inaccurate sample position control, which affect the accuracy of the test environment and results.

Method used

The design employs a dual-chamber filtration system combined with activated carbon particle adsorption and active exhaust to ensure thorough flue gas purification; the design incorporates wide-angle inclined blades and a multi-blade exhaust fan to improve airflow smoothness; and a winding wheel and weight system are used to control the contact pressure and position between the sample and the hot wire to ensure consistent test conditions.

Benefits of technology

It achieves efficient purification and safe emission of flue gas, reduces the risk of laboratory contamination, improves the accuracy and repeatability of test results, and ensures the stability and reliability of test conditions.

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    Figure CN122109422A_ABST
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Abstract

The application discloses a kind of photovoltaic material hot wire test device, including box, the surface of the box is equipped with the operating panel of installation, the outside surface of the box is rotatably installed with observation window, discharging assembly is fixedly installed in the middle of the top of the box;The inside of the box is fixedly installed with shelf plate, the lower layer of the shelf plate is placed with ignition material tray, the top of the shelf plate is sequentially provided with fixing frame, winding wheel, heating assembly and transmission clamp, the present application relates to fire resistance test technical field.The photovoltaic material hot wire test device is designed by double-cavity structure, cooperates with the activated carbon particles filled in the inside, improves the contact area and reaction time of flue gas and adsorbent, the purification efficiency of toxic, corrosive gas and particulate matter is much higher than single-cavity structure, the active exhaust design of exhaust fan ensures that the flue gas in the box can be discharged in time, thoroughly, avoids secondary pollution and security risk caused by flue gas accumulation.
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