Title:
POWER SUPPLY SYSTEM FOR VEHICLE
Document Type and Number:
Japanese Patent JP2023066578
Kind Code:
A
Abstract:
To provide a power supply system for a vehicle, capable of reducing power consumption in the vehicle.SOLUTION: A power supply system 100 for a vehicle supplies a power to a computer 105a and has: a power conversion device 106 that converts an AC power into a DC power and outputs the resultant; a power controller 105c that controls the power conversion device; a first secondary battery 14; a first step-down circuit 107; a distributor 110 that has first and second output ends OUT1 and OUT2, that can operate in a first state where the DC power output from the power conversion device is distributed to the first and second output ends and a second state where a power of the first secondary battery is output to the second output end, the first output end being connected with the first secondary battery and an input end of the first step-down circuit; a distributor controller 202 that controls a power distribution factor of the distributor in the first state; and a second secondary battery 15 connected with an output end of the first step-down circuit, and having an output voltage lower than that of the first secondary battery.SELECTED DRAWING: Figure 4
Inventors:
ISHIBASHI MASATO
MATSUKAWA TSUYOSHI
YOSHITAKE SHINSUKE
HAMANO DAISUKE
HIROSE SHINGO
YOSHIDA KEITA
MATSUKAWA TSUYOSHI
YOSHITAKE SHINSUKE
HAMANO DAISUKE
HIROSE SHINGO
YOSHIDA KEITA
Application Number:
JP2021177244A
Publication Date:
May 16, 2023
Filing Date:
October 29, 2021
Export Citation:
Assignee:
MAZDA MOTOR
International Classes:
H02J7/00; B60L1/00; B60L53/14; G16Y10/40; G16Y20/30; H02J7/02; H02J7/10
Attorney, Agent or Firm:
Patent Attorney Corporation Maeda Patent Office