Abstract: A voltage detection unit includes a voltage detection terminal including a first portion configured to be conductively connected to a detection target and a second portion, a housing having a plate shape and including a terminal accommodating concave configured to accommodate the voltage detection terminal, a cover configured to be engaged with the housing at a temporary locking position at which the cover does not cover the first portion of the voltage detection terminal accommodated in the terminal accommodating concave and at a final locking position at which the cover covers the first portion and an electric wire conductively connected to the voltage detection terminal at the second portion and configured to, when the voltage detection terminal is accommodated in the terminal accommodating concave, be drawn out from the housing.

Abstract: A bus bar module includes: a case attached to a battery assembly including a plurality of single cells; a bus bar supported by the case and electrically connected to electrodes of the plurality of single cells of the battery assembly; and a plurality of electric wires routed in the case. The plurality of electric wires include: a plurality of voltage detection electric wires connected to the bus bar, and a temperature measurement electric wire connected to a thermistor configured to measure a temperature of at least one of the plurality of single cells. The case includes: an electric wire routing groove portion in which the plurality of voltage detection electric wires are routed, and a thermistor attachment portion to which the thermistor is attached. The thermistor attachment portion is provided in the electric wire routing groove portion.

Abstract: A bus bar module includes a plurality of bus bars each having a through hole into which an electrode terminal of an electrode terminal group arranged in a line on a battery module formed of a plurality of battery cells is inserted, the bus bars being arranged along an arranging direction of the electrode terminal in the electrode terminal group, and a flat cable including a conductor part electrically connected to the bus bars, and an insulating holding part for holding the bus bars. The bus bar includes a holding body to be fitted to the flat cable. The holding part has a holding hole for each of the bus bars that allows a relative movement of the bus bar with respect to the flat cable in the arranging direction, by allowing a relative movement of the inserted holding body in the arranging direction.

Abstract: A voltage detection unit includes a voltage detection terminal, a housing including a terminal accommodating concave and a cover to be attached to the housing and to cover the voltage detection terminal accommodated in the terminal accommodating concave. The cover includes an extension piece extending in a first direction. The housing includes an accommodating hole to accommodate the extension piece, and a guide portion including an inclined surface and a guide surface. The inclined surface has a first end in the first direction and a second end and is inclined with respect to the first direction such that the first end is provided closer to the accommodating hole than the second end in a second direction perpendicular to the first direction and being parallel to the housing. The guide surface is continuous with the inclined surface and an inner wall surface of the accommodating hole.

Abstract: A voltage detection unit includes a voltage detection terminal configured to be conductively connected to a detection target, an electric wire conductively connected to the voltage detection terminal and a housing having a plate shape and including a terminal accommodating concave configured to accommodate the voltage detection terminal, an electric wire accommodating concave defined by a first groove side wall, a second groove side wall and a groove bottom surface, and configured to accommodate the electric wire and to guide the electric wire out of the housing and an electric wire restricting portion configured to hold the electric wire between the electric wire restricting portion and the groove bottom surface and to prevent the electric wire from being displaced out of the electric wire accommodating concave.

Abstract: A voltage detection unit includes a voltage detection terminal, an electric wire, a housing including a terminal accommodating concave and an electric wire accommodating concave, and a cover. The cover includes an extension piece extending in a first direction in which the cover is attached to the housing. The housing includes an accommodating hole to accommodate the extension piece. The electric wire accommodating concave includes an inclined surface and a guide surface. The inclined surface is inclined with respect to the first direction such that a first thereof end is provided closer to the accommodating hole than a second end thereof in a second direction perpendicular to the first direction and being parallel to the housing. The guide surface is continuous with the inclined surface and continuous with an inner wall surface of the accommodating hole.

Abstract: An electric wire routing groove portion in which an electric wire is hosed includes a bottom portion; a pair of side wall portions that are erected from the bottom portion and are provided facing each other; and locking pieces that protrude from the side wall portions in directions in which the locking pieces approach each other and are formed with a gap through which the electric wire is passed between distal ends of the locking pieces. The side wall portion includes low edge portions formed on both sides of the locking pieces and provided closer to the bottom portion than a position of the locking piece on a bottom portion side.

Abstract: There is provided a plate for a battery stack including: a plate-shaped terminal to which an electric wire is connected; and a plate-shaped housing having an accommodating recess where the terminal is accommodated. The accommodating recess includes a retaining hole, and the terminal includes a connection portion that is electrically connected to a counterpart member, and a retaining piece that is inserted into the retaining hole and locked to the retaining hole.

Abstract: A voltage detection unit includes a voltage detection terminal configured to be conductively connected to a detection target, an electric wire conductively connected to the voltage detection terminal and a housing having a plate shape and including a terminal accommodating concave configured to accommodate the voltage detection terminal, an electric wire accommodating concave defined by a first groove side wall, a second groove side wall and a groove bottom surface, and configured to accommodate the electric wire and to guide the electric wire out of the housing and an electric wire restricting portion configured to hold the electric wire between the electric wire restricting portion and the groove bottom surface and to prevent the electric wire from being displaced out of the electric wire accommodating concave.

Abstract: There are provided a plate for a buttery stack and battery stack including: a plate-shaped housing having a fitting groove provided in a recessed shape in a first plate side surface of the plate for the battery stack along a longitudinal direction thereof; a plurality of bottomed first recessed holes formed side by side in a direction orthogonal to a plate thickness direction of the plate for the battery stack, and extending from a second plate side surface opposite to the first plate side surface; and a plurality of second recessed holes formed side by side in the direction orthogonal to the plate thickness direction, and extending from a bottom portion of the fitting groove to be positioned between the two adjacent first recessed holes.

Abstract: A voltage detection unit includes a voltage detection terminal, an electric wire, a housing including a terminal accommodating concave and an electric wire accommodating concave, and a cover. The cover includes an extension piece extending in a first direction in which the cover is attached to the housing. The housing includes an accommodating hole to accommodate the extension piece. The electric wire accommodating concave includes an inclined surface and a guide surface. The inclined surface is inclined with respect to the first direction such that a first thereof end is provided closer to the accommodating hole than a second end thereof in a second direction perpendicular to the first direction and being parallel to the housing. The guide surface is continuous with the inclined surface and continuous with an inner wall surface of the accommodating hole.

Abstract: A voltage detection unit includes a voltage detection terminal, a housing including a terminal accommodating concave and a cover to he attached to the housing and to cover the voltage detection terminal accommodated in the terminal accommodating concave. The cover includes an extension piece extending in a first direction. The housing includes an accommodating hole to accommodate the extension piece, and a guide portion including an inclined surface and a guide surface. The inclined surface has a first end in the first direction and a second end and is inclined with respect to the first direction such that the first end is provided closer to the accommodating hole than the second end in a second direction perpendicular to the first direction and being parallel to the housing. The guide surface is continuous with the inclined surface and an inner wall surface of the accommodating hole.

Abstract: A voltage detection unit includes a voltage detection terminal, a housing having an accommodating concave portion to accommodate the voltage detection terminal and a cover to be attached to the housing while covering the accommodating concave portion. The cover is locked to the housing at a temporary locking position at which the cover covers a part of the accommodating concave portion and at a final locking position at which the cover covers an entirety of the accommodating concave portion. The cover includes a main body portion including a locking portion, and a locking piece. The housing includes a locked portion to be locked to the locking portion, a locking hole to accommodate the locking piece and an extending portion formed by a part of an edge of the locking hole. The locking piece is accommodated in the locking hole when the cover is at the temporary locking position.

Abstract: There are provided a plate for a battery stack configured to be sandwiched between a plurality of power storage modules, and a battery stack. The plate for the battery stack includes: a plate-shaped housing having a fitting groove provided in a recessed shape in a first plate side surface of the plate for a battery stack along a longitudinal direction thereof, the fitting groove being a groove configured to fit with a side edge portion of a conductive plate disposed between the plurality of stacked power storage modules; and a plurality of recessed holes formed side by side in a direction orthogonal to a plate thickness direction of the plate for a battery stack, and extending from a second plate side surface of the housing.

Abstract: A voltage detection unit includes a voltage detection terminal including a first portion configured to be conductively connected to a detection target and a second portion, a housing having a plate shape and including a terminal accommodating concave configured to accommodate the voltage detection terminal, a cover configured to be engaged with the housing at a temporary locking position at which the cover does not cover the first portion of the voltage detection terminal accommodated in the terminal accommodating concave and at a final locking position at which the cover covers the first portion and an electric wire conductively connected to the voltage detection terminal at the second portion and configured to, when the voltage detection terminal is accommodated in the terminal accommodating concave, be drawn out from the housing.

Abstract: A busbar module includes a case to be attached to a battery assembly, a busbar supported by the case and to be connected to an electrode of single cells of the battery assembly and electric wires to be routed in the case. The case is provided with electric wire routing grooves to accommodate the electric wires, the electric wire routing grooves intersecting with one another. A part of the plurality of electric wires bends at a connection portion of the plurality of electric wire routing grooves. The connection portion is provided with a guide taper provided inside a bent portion of the part of the plurality of electric wires and a wire locking portion to lock the at least a part of the electric wires at a side of the bent portion of the at least the part of the electric wires.