US 12,187,207 B2
Onboard power source system and design method
Sadahisa Yamada, Hiroshima (JP); Kazuichi Fujisaka, Hiroshima (JP); and Masaaki Shimizu, Hiroshima (JP)
Assigned to MAZDA MOTOR CORPORATION, Hiroshima (JP)
Appl. No. 17/630,922
Filed by Mazda Motor Corporation, Hiroshima (JP)
PCT Filed Jul. 17, 2020, PCT No. PCT/JP2020/027878
§ 371(c)(1), (2) Date Jan. 28, 2022,
PCT Pub. No. WO2021/020180, PCT Pub. Date Feb. 4, 2021.
Claims priority of application No. 2019-139630 (JP), filed on Jul. 30, 2019.
Prior Publication US 2022/0266780 A1, Aug. 25, 2022
Int. Cl. B60R 16/033 (2006.01)
CPC B60R 16/033 (2013.01) 13 Claims
OG exemplary drawing
 
1. An onboard power source system, comprising:
a main power source that supplies power;
a plurality of power source hubs;
a plurality of electronic devices connected to one of the plurality of power source hubs; and
a plurality of power feeding cables that connect to the plurality of power source hubs to the main power source, wherein
the plurality of power source hubs are arranged on a power source routing path between the main power source and the plurality of electronic devices and are configured to supply electric power from the main power source to the plurality of electronic devices connected to the plurality of power source hubs,
each power feeding cable feeds electric power from the main power source to the plurality of power source hubs, and
an electronic device related to power among the plurality of electronic devices and an electronic device related to traveling or safety among the plurality of electronic devices are connected to different power source hubs that are directly connected to the main power source via different power feeding cables of the plurality of power feeding cables wherein the plurality of power source hubs are arranged in a star configuration such that each power source hub is directly connected to the main power source via a different one of the plurality of power feeding cables.