A system power supply

CN115207894BActive Publication Date: 2026-07-07HEFEI ONELINK ELECTRIC TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
HEFEI ONELINK ELECTRIC TECH CO LTD
Filing Date
2021-04-12
Publication Date
2026-07-07

AI Technical Summary

Technical Problem

In the prior art, the power conversion device for automotive control modules is complex, costly, and unreliable due to the instability of the automotive electrical environment, making it difficult to achieve miniaturization and integrated circuitization of multiple control modules.

Method used

A system power supply design is adopted, which supplies power to multiple control modules through a single working power line and an input power line. An isolated or DC/DC converter power supply unit is used to provide stable power to the control modules, and self-resetting fuses and current limiting circuits are provided for protection, simplifying the power supply configuration of each control module.

Benefits of technology

The miniaturization and integrated circuitization of the control module have been achieved, which has improved system reliability, reduced costs, and simplified the structure.

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Abstract

The application discloses a kind of system power supply, including input power supply, working power supply unit, multiple control modules and wiring harness, wiring harness includes working power supply line and input power supply line;The input power port of each control module is connected to input power supply line, and the working power port is connected to working power supply line;Input power supply is connected to input power supply line, and the output of working power supply unit is connected to working power supply line.The application provides working power supply for multiple control modules through working power supply line, saves the traditional mode that each control module needs to set up separate working power supply, so as to realize the low cost and high reliability of control system, and facilitate the miniaturization and integrated circuit of control module.
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