Toyota jidosha kabushiki kaisha (20240336162). Power Supply System for Vehicles simplified abstract

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Power Supply System for Vehicles

Organization Name

toyota jidosha kabushiki kaisha

Inventor(s)

Tomohiro Narematsu of Nisshin-shi (JP)

Power Supply System for Vehicles - A simplified explanation of the abstract

This abstract first appeared for US patent application 20240336162 titled 'Power Supply System for Vehicles

Simplified Explanation: The patent application describes a system that detects abnormalities in a DCDC converter by monitoring the voltage of the auxiliary battery and comparing it to a target voltage value. When the voltage difference exceeds a predetermined threshold, the system stops the DCDC converter, activates the alternator, and adjusts the determination voltage value based on the battery's voltage or internal resistance.

  • The system monitors the voltage of the auxiliary battery during charging.
  • It compares the battery voltage to a target voltage value of the DCDC converter.
  • If the voltage difference exceeds a predetermined threshold, the system deems the DCDC converter as abnormal.
  • It then stops the DCDC converter, activates the alternator, and adjusts the determination voltage value based on the battery's voltage or internal resistance.

Potential Applications: This technology can be applied in automotive systems to improve the efficiency and reliability of power supply systems in vehicles. It can also be utilized in other battery charging applications where monitoring and controlling voltage levels are crucial.

Problems Solved: 1. Detecting abnormalities in DCDC converters during battery charging. 2. Ensuring the proper functioning of power supply systems in vehicles. 3. Optimizing the charging process to prevent damage to batteries.

Benefits: 1. Enhanced safety and reliability of power supply systems. 2. Improved efficiency in battery charging processes. 3. Prevention of potential damage to batteries and electrical components.

Commercial Applications: The technology can be integrated into automotive manufacturing for vehicles with advanced power supply systems. It can also be utilized in the development of smart charging solutions for electric vehicles.

Questions about the Technology: 1. How does the system determine the predetermined voltage threshold for detecting abnormalities in the DCDC converter? 2. What are the potential implications of adjusting the determination voltage value based on the battery's internal resistance?

Frequently Updated Research: Researchers are continually exploring ways to enhance the efficiency and performance of power supply systems in vehicles, including advancements in battery monitoring and control technologies.


Original Abstract Submitted

when the auxiliary battery is being charged and the difference between the voltage value of the auxiliary battery and the target voltage value of the dcdc converter is equal to or greater than the determination voltage value, the vehicle power supply system determines that the dcdc converter is abnormal, stops the dcdc converter, drives the alternator, and decreases the determination voltage value when the voltage value of the auxiliary battery is equal to or less than the predetermined voltage value or the internal resistance value of the auxiliary battery is equal to or less than the predetermined resistance value.

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