Abstract: Provided is a circuit structure having a novel structure that allows heat from a heat-generating component to be dissipated more efficiently. A circuit structure includes: heat-generating components that generate heat when energized; energization bus bars that are connected to connection portions of the heat-generating components; and heat transfer portions that are provided in the energization bus bars and that are in heat-conductive contact with a heat-dissipating body, wherein the heat transfer portions are in heat-conductive contact with the heat-generating components.

Abstract: A wiring module disposed on a plurality of power storage devices that have electrode terminals, the wiring module including: at least one flexible first substrate that is electrically connected to the electrode terminals; and a flexible second substrate that is electrically connected to the first substrate and a device, wherein a plurality of first voltage detection lines that are electrically connected to the electrode terminals are formed on the first substrate, and the plurality of first voltage detection lines are not lined up in the order of the potentials of the electrode terminals to which the plurality of first voltage detection lines are connected, a plurality of second voltage detection lines that are connected to the plurality of first voltage detection lines are formed on the second substrate, and the second substrate has a connection end portion that is connected to the device.

Abstract: Provided is a circuit structure having a novel structure that allows heat from a heat-generating component to be dissipated more efficiently. A circuit structure includes: a heat-generating component that generates heat when energized; energization bus bars that are connected to connection portions of the heat-generating component; cooling members that are formed separately from the energization bus bars, and are connected to the connection portions of the heat-generating component along with energization bus bars, and the heat-transfer portions that are provided in the cooling members, and are in heat-conductive contact with a heat-dissipating body.

Abstract: A protector includes a plurality of lead-out openings through which electric cables are configured to be led out, and an electric cable attachment part which is provided in a projecting manner at an opening edge part of the lead-out opening and to which the electric cables are configured to be attached through a hinge part with flexibility. The electric cable attachment part is bent toward the lead-out opening by the hinge part, and a bent state thereof is configured to be held by a holding part.

Abstract: A battery wiring module has a novel structure with which workability of a wire routing process can be improved and is able to prevent or reduce the occurrence of misrouting. A battery wiring module includes a plurality of busbars that electrically connect adjacent battery cells of a plurality of battery cells arranged in a row, a plurality of coated wires connected at one end to an external connection terminal and a connecting part provided at the other end being connected to one of the busbars, a wire routing body in which a busbar housing frame that houses the busbars and a wire routing passage that routes the coated wires are provided, and a sub-assembly protector that is mounted to the wire routing body, the sub-assembly protector holding a plurality of coated wires.

Abstract: An inter-terminal connection structure electrically connecting terminal portions via a conductive component. The conductive component includes a conductive member having connection portions that are fastened so as to be connected to the respective terminal portions, and a case having insulation properties while accommodating the conductive member, an insulating cover covering at least one of the terminal portions and the connection portions, an opening window provided to the insulating cover and exposing at least one of the terminal portions and the connection portions, and a relay portion provided to the connection portion or the terminal portion fastened to the at least one of the terminal portions and the connection portions covered by the insulating cover while being inserted through the opening window to be connected to the at least one of the terminal portions and the connection portions.

Abstract: A plurality of sets of power storage devices each formed by connecting a plurality of power storage devices in parallel are connected in series. A wiring module that is arranged on a plurality of power storage devices each having electrode terminals, the wiring module including: a plurality of connection bus bars each connected to a corresponding electrode terminal and each having 2n (n is a natural number greater than or equal to 2) electrode connection portions; and an insulating protector that houses the plurality of connection bus bars. In each of the plurality of connection bus bars, the cross-sectional areas of the second electrode connection portion from the right of the connection bus bar and the third electrode connection portion from the right of the connection bus bar are set to be larger than the cross-sectional areas of the other electrode connection portions.

Abstract: A wiring module that can account for tolerance in an alignment direction of a plurality of power storage devices includes: a first unit row including a plurality of first units linked by a first warping linking portion and a first slide linking portion that enable adjustment of an interval between the plurality of first units, the first warping linking portion having a warping portion and the linking portion having an inner wall and an outer wall; a second unit row including a plurality of second units linked by a second linking portion having an inner wall and an outer wall and enables adjustment of an interval between the plurality of second units, the second unit row being disposed side-by-side with the first unit row; and a row linking portion that has a variable row-interval portion that enables adjustment of an interval between the first and the second unit rows.

Abstract: A connection module includes a FPC and bus bars connected to the FPC and connecting the electrode terminals of power storage elements that are adjacent to each other. The FPC includes a first wiring portion, a second bus bar mount portion, and a third bus bar mount portion to which the bus bars are connected. The FPC further includes a second expandable/contractable portion and a third expandable/contractable portion. The second expandable/contractable portion is continuous from the second bus bar mount portion and allowed to be expanded and contracted in a direction to be closer to and farther away from the first wiring portion and the third bus bar mount portion. The third expandable/contractable portion is continuous from the third bus bar mount portion and allowed to be expanded and contracted in a direction to be closer to and farther away from the second bus bar mount portion.

Abstract: A connection module is a module mounted on a power storage element group including power storage elements having electrode terminals and connecting the power storage elements. The connection module includes a FPC including wiring portions and bus bars connected to the wiring portions and connecting the electrode terminals of the power storage elements that are adjacent to each other. The FPC includes a first multi-layered portion including the wiring portions that are overlapped with each other by folding the FPC and includes a second multi-layered portion including the wiring portions that are overlapped with each other by folding the FPC.

Abstract: A connection module includes a FPC, bus bars connected to the FPC and connecting the electrode terminals of power storage elements that are adjacent to each other, and a resin protector holding the bus bars and the FPC. The FPC includes a FPC body member and a first deformable portion that connects the FPC body member and the bus bars. The resin protector includes a FPC holding portion to which the FPC body member is fixed, movable bus bar holding portions to which the bus bars are fixed, respectively, and second deformable portions that connect the FPC holding portion and the movable bus bar holding portions. The first deformable portion and the second deformable portion connect the bus bars and the movable bus bar holding portions to the FPC body member and the FPC holding portion, respectively, such that the bus bars and the movable bus bar holding portions are movable with respect to the FPC body member and the FPC holding portion.

Abstract: A configuration is adopted in which a terminal module includes a voltage detection terminal having a terminal connection part connected to an electrode terminal and a wire connection part connected to a wire, and a protector housing at least part of the voltage detection terminal, with two liquid draining parts each including a first extension part extending downward in the direction of gravity being provided between the terminal connection part and the wire connection part in the voltage detection terminal, and the protector having a housing part housing the liquid draining parts and accumulating liquid that travels along the first extension part.

Abstract: A connection module includes an FPC and a plurality of bus bars. The plurality of bus bars constitute a first bus bar row disposed along one long side of the FPC, and a second bus bar row disposed along the other long side of the FPC. The FPC includes tolerance absorbing portions each including a slit and a pair of deflection portions disposed with the slit interposed therebetween, and is divided into a plurality of wiring portion by the tolerance absorbing portions. The pair of deflection portions constituting the first tolerance absorbing portion can be deflected in a direction in which the two wiring portions that are adjacent to each other with the first tolerance absorbing portion interposed therebetween move toward and away from each other. The same description also applies to the second tolerance absorbing portion.

Abstract: The reliability of electrical connection between electrode terminals of power storage devices and bus bars can be improved. A bent portion that is provided on each bus bar is formed at a position shifted in the left-right direction from an intermediate position between one contact portion of two contact portions of the bus bar and the other contact portion positioned next to the one contact portion. In a bus bar housing portion, a beam portion on which a corresponding bus bar is placed is formed extending in the front-rear direction. Each beam portion is formed at a position shifted in the left-right direction from the bent portion in a state where the bus bar is housed in the bus bar housing portion.

Abstract: A voltage detection unit includes a wire in which a conductive core wire is coated with an insulating coating that is insulative, a terminal connection portion to be connected to an electrode terminal, a core wire connection portion of a connecting piece that is provided continuously with the terminal connection portion and connected to the core wire that is exposed from the insulating coating at a terminal of the wire, and a second coating holding portion that is provided side by side with the core wire connection portion in an extending direction of the wire and holds the insulating coating of the wire, and the wire arranged between the core wire connection portion and the second coating holding portion includes a fuse portion in which a diameter of the core wire is reduced in a state of being exposed from the insulating coating.

Abstract: A voltage detection unit includes a wire in which a conductive core wire is coated with an insulating coating that is insulative, a terminal connection portion to be connected to an electrode terminal, a core wire connection portion of a connecting piece that is provided continuously with the terminal connection portion and connected to the core wire that is exposed from the insulating coating at a terminal of the wire, and a second coating holding portion that is provided side by side with the core wire connection portion in an extending direction of the wire and holds the insulating coating of the wire, and the wire arranged between the core wire connection portion and the second coating holding portion includes a fuse portion in which a diameter of the core wire is reduced in a state of being exposed from the insulating coating.

Abstract: A power storage component module includes power storage components and a bus bar connecting the power storage components to one another. At least one positioning boss is provided on an electrode included in the power storage components. The at least one positioning boss protrudes upward. The at least one positioning boss includes a base end and a distal end having a diameter less than a diameter of the base end. At least one through hole opens in the bus bar. The bus bar is placed on the at least one positioning boss and a hole edge of the at least one through hole is disposed around the at least one positioning boss between the base end of the at least one positioning boss and the distal end of the at least one positioning boss in a vertical direction.

Abstract: A temperature detection module includes: a temperature sensor; a sensor holder for holding the temperature sensor such that movement is possible in a separation and contact direction in which the temperature sensor is separated from and brought into contact with a measurement target; and a biasing member that is attached to the sensor holder and biases the temperature sensor such that a detection surface comes into contact with a measurement target. The sensor holder includes: a base portion; and an accommodating portion that extends in the separation and contact direction from the base portion and holds the temperature sensor such that movement is possible in the separation and contact direction. The accommodating portion includes a gap that allows inclination of the temperature sensor between the accommodating portion and the temperature sensor.

Abstract: An increase in the size of a wiring module is suppressed. A wiring module is for attachment to a power storage device group in which a plurality of power storage devices are arranged line up in a left-right direction. The wiring module includes: a plurality of voltage detection wires; and an insulating protector that includes a rear side routing portion in which the plurality of voltage detection wires are routed. The rear side routing portion includes a placement wall on which the plurality of voltage detection wires are placed, and a wire fixing portion that protrudes in a direction that intersects the placement wall, and to which the plurality of voltage detection wires are fixed using a binding member is provided in a region between left and right end portions of the insulating protector.

Abstract: A wiring module includes a first housing section row, a second housing section row, and linking sections. The first housing section row includes first housing sections that are arranged in an arrangement direction and include connection bus bars therein, respectively. The second housing section row includes second housing sections that are arranged in the arrangement direction and include the connection bus bars and output bus bars therein, respectively, and is disposed away from the first housing section row with respect to a crossing direction that crosses the arrangement direction. The linking sections are disposed between the first and second housing section rows and link the first and second housing section rows. The first housing sections are connected by a first warping section that can be deformed with warping and the second housing sections are connected by a second warping section that can be deformed with warping.