High-voltage intelligent LED lamp string control circuit

By designing a high-voltage intelligent LED light string control circuit, the problems of disordered power-on and leakage protection are solved, orderly power-on and dynamic leakage protection are achieved, and safe and reliable electrical parameter monitoring and intelligent control are provided.

CN223261686UActive Publication Date: 2025-08-22LANKAO RAYER LIGHTING PROD CO LTD
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Patent Information

Application Number
CN202422702381.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-06
Publication Date
2025-08-22
Estimated Expiration
2034-11-06

AI Technical Summary

Technical Problem

Traditional LED light string control circuits have the problem of being able to destroy light strings when the disorderly power is turned on, and the threshold value of the existing leakage protector is unadjustable and has high cost, and the coverage is limited.

Method used

A high-voltage intelligent LED light string control circuit is designed, including AC power processing circuit, electrical parameter detection circuit, drive output circuit, and MCU and RDM signal processing circuit. The MCU detects electrical parameters and controls the relay to achieve orderly power-on and adjustable leakage protection.

Benefits of technology

It realizes the orderly power-on protection of LED light strings, dynamically sets leakage thresholds to avoid instant damage when starting, and provides safe and reliable electrical parameter monitoring and intelligent control.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223261686U_ABST
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Abstract

The utility model provides a high-voltage intelligent LED lamp string control circuit. The high-voltage intelligent LED lamp string control circuit comprises an AC power supply processing circuit, an electrical parameter detection circuit, a driving output circuit and an MCU and RDM signal processing circuit, the AC power supply processing circuit comprises an EMI circuit module, a high-voltage rectification filter circuit module, a relay drive circuit module, an AC-to-DC low-voltage circuit module and a non-isolated 12V voltage-to-isolated 5V DC voltage module. The electrical parameter detection circuit comprises a mutual inductor and a U3 which are cooperatively designed. According to the high-voltage intelligent LED lamp string control circuit provided by the utility model, ordered controllable startup processing is realized, the MCU can detect electrical parameters in advance before a load is electrified, if the electrical parameters are in a working range, the relay can be turned on to protect a high-power lamp string load, the phenomenon that the lamp string is easy to damage at the startup moment due to disordered startup in the industry is solved, safety protection is realized, and the service life of the LED lamp string is prolonged. Due to electrical, construction, rainwater and other reasons, the dangerous electric leakage phenomenon of the lamp string can be caused, and safety is guaranteed.
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