Voltage detection device and battery module
A first voltage detection device includes a first holding body, a first voltage detection portion held by the first holding body, and a first conductor attached to the first holding body, at least a portion of the conductor being functioning as a fuse.
1 . A voltage detection device comprising:
a holding body;
a voltage detection portion held by the holding body; and
a conductor attached to the holding body, at least a portion of the conductor functioning as a fuse.
2 . The voltage detection device according to claim 1 , wherein
the fuse includes opposite ends,
the conductor comprises a first portion connected to one of the opposite ends of the fuse and a second portion connected to the other of the opposite ends of the fuse, and
the first portion and the second portion of the conductor are fixed to the holding body.
3 . The voltage detection device according to claim 1 , further comprising:
a wiring electrically connected to the conductor; and
a fixture fixing at least a portion of the conductor and at least a portion of the wiring to the holding body.
4 . The voltage detection device according to claim 1 , wherein
the fuse includes opposite ends,
the conductor comprises a first portion connected to one of the opposite ends of the fuse and a second portion connected to the other of the opposite ends of the fuse,
the first portion or the second portion is electrically connected to a voltage detection target.
5 . The voltage detection device according to claim 1 , wherein
the conductor comprises a plurality of extension bodies extending in different directions, and
at least a portion of at least one of the plurality of extension bodies is held by at least a portion of the holding body.
6 . A battery module comprising:
the voltage detection device according to claim 1 ; and
a battery cell comprising a lead portion connected to the voltage detection portion.
7 . The voltage detection device according to claim 1 , wherein
the conductor comprises another portion not functioning as a fuse.
8 . The voltage detection device according to claim 1 , wherein
at least a portion of the holding body penetrates through the voltage detection portion.
9 . The voltage detection device according to claim 8 , wherein
the voltage detection portion comprises a base end portion and a tip end portion,
the at least a portion of the holding body penetrates through the base end portion of the voltage detection portion, and
the tip end portion of the voltage detection portion is plate-shaped.
10 . The voltage detection device according to claim 1 , further comprising:
a voltage detection line electrically connected to the voltage detection portion,
wherein the voltage detection portion is routed through the holding body.
11 . The voltage detection device according to claim 1 , further comprising:
the fuse includes opposite ends,
the conductor comprises a first portion connected to one of the opposite ends of the fuse and a second portion connected to the other of the opposite ends of the fuse, and
the fuse, the first portion and the second portion are formed of a same material.
12 . The voltage detection device according to claim 11 , wherein
the fuse has a width that is narrower than a width of the first portion and a width of the second portion.
13 . The voltage detection device according to claim 11 , further comprising:
fixtures that fix the first portion and the second portion to the holding body.
14 . The voltage detection device according to claim 9 , wherein
the base end portion is movably supported to the holding body.
15 . The voltage detection device according to claim 1 , wherein
the voltage detection portion comprises a base end portion that is movably supported to the holding body.
16 . The voltage detection device according to claim 11 , wherein
the fuse has a cross-sectional area that is smaller than a cross-sectional area of the first portion and a cross-sectional area of the second portion.