Low-power-consumption and low-cost power supply circuit and conference system host power supply

By designing a low-power, low-cost power supply circuit and employing a push-pull switch control with a high-frequency transformer and control chip, the electromagnetic interference and ripple problems of the conference host power supply were solved, thereby improving the stability and reliability of the power supply and meeting the design requirements of miniaturization and energy saving.

CN224473198UActive Publication Date: 2026-07-07SHENZHEN EZPRO SOUND & LIGHT TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
SHENZHEN EZPRO SOUND & LIGHT TECH CO LTD
Filing Date
2025-05-08
Publication Date
2026-07-07

AI Technical Summary

Technical Problem

Traditional conference host power supplies suffer from electromagnetic interference, output ripple, high circuit complexity, and excessive standby power consumption, making it difficult to compress the size of the power module and meet the requirements for miniaturization and energy saving.

Method used

Design a low-power, low-cost power supply circuit, including an input processing module, an input filtering module, a control module, a push-pull drive module, a voltage conversion module, and a voltage output module. Employ a high-frequency transformer and a more integrated control chip, and achieve multi-channel regulated power supply output through push-pull switch control and multi-winding differentiated rectification topology.

Benefits of technology

Significantly reduces electromagnetic interference and output ripple, improves power supply stability and reliability, simplifies circuit design, and meets the compactness and energy-saving requirements of conference host systems.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a kind of low-power low-cost power supply circuit and conference system host power, comprising: input processing module, input filter module, control module, push-pull drive module, voltage conversion module and voltage output module;The input end of input processing module is connected to external power supply, the input end of input processing module, input filter module, control module and voltage conversion module are connected to the output end, push-pull drive module is connected with the input end of voltage conversion module and the drive end of control module respectively, the input end of voltage conversion module is connected with the output end of voltage output module, and the output end of voltage output module outputs multiple groups of power supply signals.The power supply circuit of the utility model can significantly reduce electromagnetic interference, reduce output ripple, improve power stability and reliability, and can simplify circuit design, voltage conversion efficiency is high, and can meet the design requirements of conference host.
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