LED testing device for railway

By designing a portable LED testing device and integrating testing units, the problems of short lifespan of traditional light sources and performance testing of LED signal lights have been solved, achieving efficient and accurate LED testing, reducing maintenance costs, and improving train safety.

CN224553455UActive Publication Date: 2026-07-24HEBEI YUNHAN TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202521581957.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-07-28
Publication Date
2026-07-24
Estimated Expiration
2035-07-28

AI Technical Summary

Technical Problem

In existing railway signal lights, traditional light sources have short lifespans and are frequently damaged, affecting train safety and maintenance costs. Furthermore, LED signal lights are susceptible to performance degradation in complex environments, and there is a lack of effective testing methods.

Method used

Design a portable LED testing device that integrates a testing unit, including a power input terminal, an AC regulated power supply, a voltage regulator, a railway signal lighting unit, and a test lamp holder. It can test the performance of LEDs under different voltage conditions and has multiple voltage adjustment and monitoring functions.

Benefits of technology

It enables high-precision and convenient testing of LED lights, reduces maintenance costs, improves the safety and efficiency of train operation, and adapts to the testing needs of LED lights of different models and manufacturers.

✦ Generated by Eureka AI based on patent content.
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Abstract

The utility model discloses a railway LED testing device: the shell has integrated the test unit, and the test unit includes the power input terminal for accessing alternating current, the alternating voltage stabilizing power supply for converting the alternating current input into stable alternating current, the voltage regulator for voltage regulation to alternating voltage stabilizing power supply output voltage, the railway signal point light unit for converting the voltage regulator output voltage into three gears voltage, the test lamp holder for installing LED lamp, the input side connection power input terminal of alternating voltage stabilizing power supply, and the output side of voltage stabilizing power supply is connected to the input end of railway signal point light unit through voltage regulator, and the output end of railway signal point light unit is connected to the main filament pin, the vice filament pin, the public pin of test lamp holder respectively, and the different models and the factory of the LED lamp to be tested can be tested, and the performance index of the LED lamp to be tested under the different voltage state of railway signal point light unit once and twice can be detected.
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