Overcurrent protection element and battery system
AssigneeSanyo Electric Co., Ltd.
InventorsHIROYUKI MIHARA, HIROAKI KITA
Life of this patent
Estimating the term…
Abstract
An overcurrent protection element includes: chip fuse; a printed circuit board configured by mounting chip fuse on a surface thereof; external connection part configured by being coupled to the printed circuit board; and insulating layer configured by being provided on the printed circuit board. The printed circuit board is provided with conductive parts on a surface of an insulating substrate. External connection part is electrically connected to the conductive parts of the printed circuit board. Chip fuse is electrically connected to the conductive parts, and chip fuse is connected to external connection part via the conductive parts.
Claims17
An overcurrent protection element comprising:
- a chip fuse;
- a printed circuit board on which the chip fuse is surface mounted;
- an external connection part coupled to the printed circuit board;
- and
- an insulating layer provided on the printed circuit board, wherein
- the printed circuit board includes:
- an insulating substrate;
- and
- a conductive part on a surface of the insulating substrate,
- the external connection part is electrically connected to the conductive part of the printed circuit board,
- the chip fuse is electrically connected to the conductive part, and
- the chip fuse is connected to the external connection part via the conductive part.
A battery system comprising:
- a plurality of battery cells;
- bus bars of metal plate fixed to electrode terminals of the battery cells and connecting the battery cells to one another;
- and
- a voltage detection circuit connected to the bus bars via voltage detection lines including overcurrent protection elements, wherein
- each of the overcurrent protection elements includes:
- a chip fuse;
- a printed circuit board on which the chip fuse is surface mounted;
- an external connection part coupled to the printed circuit board;
- and
- an insulating layer provided on the printed circuit board,
- the printed circuit board is provided with a conductive part on a surface of an insulating substrate,
- the external connection part is electrically connected to the conductive part of the printed circuit board,
- the chip fuse is electrically connected to the conductive part,
- the chip fuse is connected to the external connection part via the conductive part, and
- the external connection part is connected to the voltage detection line.
Dependencies are inferred from the claim text.