Sumitomo Electric Industries, Limited

Sumitomo Wiring Systems, Limited

Autonetworks Technologies, Limited

Issei Horiba

Masato Tsutsuki

Yuki Fujimura

An electrical junction box includes a circuit board, a branch circuit assembly for distributing power to various devices, a housing that accommodates the circuit board and the branch circuit assembly, and a board-side connector module in which a plurality of board-side connectors mounted on the circuit board are formed as a single body. The branch circuit assembly includes an internal circuit including busbars and an electrical component, a case that accommodates the internal circuit, and a plurality of relay connectors that protrude from the case, are electrically connected to the internal circuit, and are respectively connected to the plurality of board-side connectors, and the board-side connectors are connected to the corresponding relay connectors in a state in which the branch circuit assembly and the circuit board are assembled to the housing.

Electrical junction box

An electrical junction box includes: a branch circuit assembly that distributes battery power to various devices; a housing that accommodates the branch circuit assembly; an opening portion extending through a side wall of the housing; a lid that closes the opening portion; and a plurality of external connection connectors that are fitted to through-holes extending through the lid and protrude from an outer surface of the lid, in which the branch circuit assembly is fixed to an inner surface of the lid, a plurality of connection portions provided in the branch circuit assembly are connected to connection terminals of the corresponding external connection connectors, and an external connection connector module includes the plurality of external connection connectors, the lid, and the branch circuit assembly.

Growing community of inventors

Osaka, Japan

Issei Horiba