Abstract: A method for manufacturing a laminated bus bar includes a first base member forming process of forming a plurality of first through-holes in a conductive flat plate-shaped first base member, a second base member forming process of forming a conductive flat plate-shaped second base member, a laminating process of forming a laminated body configured by laminating and fixing flat surfaces of the first base member and the second base member on and to each other, and a punching process of forming, in the second base member of the laminated body, second through-holes forming pairs with the first through-holes, the second through-holes being smaller than the first through-holes in portions overlapping with the first through-holes in a lamination direction of the first base member and the second base member.

Abstract: A conductor module for terminal includes a bus bar, a state detector including a detection conductor, and a fixing member fixing the state detector to the bus bar. The bus bar includes a connection surface to which the detection conductor is electrically connected, and two fixing holes formed with the placed state detector interposed therebetween. The fixing member includes a main body that the state detector is made contact with, and plastically deformable fixing legs. Each of the fixing legs is inserted in the fixing hole from the connection surface side and projects from the fixed surface. In a fixed state, when the fixing leg is seen from an axis direction of the fixing hole, a tip of the fixing leg is disposed on the outside in a radial direction than the fixing holes.

Abstract: A busbar module includes: a circuit body having a flexible circuit board; busbars; and a holder. The circuit body has: conductor layers and protective layers to form a multiple-layered structure of wiring patterns; a band-shaped main strip to be located to extend in a stacking direction of cells; and a band-shaped branch strip branched from the main strip. The branch strip has: a bent portion extending in the stacking direction and having a bent shape around an axis crossing the stacking direction; and a connection portion disposed closer to an end of the branch strip than the bent portion and connected to the corresponding busbar. The bent portion has a thin-layer portion having a shape formed by removing, from the flexible circuit board, a part of the protective layers corresponding to a part of the conductor layers without being used as the wiring pattern in the branch strip.

Abstract: A circuit body includes a flexible circuit board including: a conductor wiring pattern for electrical connection; and a pair of protective layers sandwiching the wiring pattern to isolate the wiring pattern from outside. The wiring pattern has a conduction portion exposed to the outside through an opening located on at least one of the pair of the protective layers and to be electrically connected to an external terminal. The conduction portion has at least two overlap portions located around the opening and sandwiched between the pair of the protective layers in a thickness direction of the flexible circuit board.

Abstract: A busbar module includes: a circuit body having a flexible circuit board; busbars; and a holder. The circuit body has: a band-shaped main strip to be located to extend in a stacking direction of cells; a band-shaped first branch strip branched from the main strip and extending toward a corresponding busbar; and a second branch strip branched from the main strip and extending toward an external device. The first branch strip has: a bent portion extending in the stacking direction and having a bent shape around an axis crossing the stacking direction; and a busbar connection portion disposed closer to an end of the first branch strip than the bent portion and connected to the corresponding busbar. The second branch strip has a device connection portion to be connected to the external device.

Abstract: A conduction system includes a laminated busbar including a plurality of busbars forming a conduction path in a vehicle and are stacked each other; and a distribution mechanism configured to distribute an electric power or electric signal by bending a part of the busbars forming the laminated busbar with respect to other busbars and by branching off the part of the busbars and the other busbars branch off from each other. As a result, the conduction system can provide an effect that the conduction path can be properly provided by combining the laminated busbar and the distribution mechanism.

Abstract: A conductive module includes a plurality of conductive terminal connection components for electrical connection with an electrode terminal; a conductive component that electrically connects a battery cell and an electrical connection target; and an electrical connection structure for each terminal connection component that electrically connects the terminal connection component and the conductive component. The conductive component includes a conductor for each terminal connection component formed using a dissimilar metal material which is a different type from the terminal connection component. The electrical connection structure is formed using a similar metal material which is the same type as the conductor.

Abstract: A bus bar module is used to be attached to a battery assembly having a plurality of unit battery cells stacked each other. The bus bar module includes bus bars each to be connected to each of the plurality of the unit battery cells; a heating body capable of heating the battery assembly; and a holder holding the bus bars and the heating body. The heating body is configured to be disposed between a pair of electrode portions of each of the plurality of the unit battery cells.

Abstract: A connector-equipped circuit body includes a circuit body configured by a flexible board where a wiring pattern formed of a conductor for electric connection is provided, and a connector connected to the circuit body. At a connection portion of connection between the circuit body and the connector, an auxiliary conductive layer independent of the wiring pattern is provided so as to be multilayered for the wiring pattern.

Abstract: A battery pack includes: battery cells arranged such that the positive terminals and the negative terminals are alternately arranged; bus bars electrically connecting the positive terminals and the negative terminals of the adjacent battery cells; an insulating cover attachable to the battery cells and covering the positive terminals and the negative terminals; a monitor substrate in which a monitor circuit is mounted; and detection terminals electrically connected to the monitor substrate and electrically connected to the respective bus bars. The monitor substrate and the detection terminals are disposed integrally to an inner surface of the insulating cover. The detection terminals are electrically connected to the respective bus bars in a state in which the insulating cover is attached to the battery cells.

Abstract: A connection member configured to electrically connect respective storage elements to each other in a power storage device constituted by a plurality of storage elements. The connection member includes: a substrate; and a plurality of connecting portions connected to electrodes of the respective storage elements and configured to cut off electric connection with the storage elements by fusing at the time when a current of a predetermined value or more flows therein. The connecting portion is formed by performing punching on the substrate and includes at least two bent portions bent in a punching direction. One of the bent portions is bent along a first direction perpendicular to the punching direction, and the other one of the bent portions is bent along a second direction perpendicular to the punching direction and perpendicular to the first direction.

Abstract: A battery monitoring unit includes a plurality of voltage detection lines, a flexible printed circuit board extending in a stuck direction of single batteries, an electronic circuit connected to one end portions of the plurality of the voltage detection lines so as to detect voltage of each of the single batteries and mounted on the flexible printed circuit board, a plurality of busbar fixing portions formed integrally with the flexible printed circuit board and to which the plurality of the busbars are fixed respectively, and communication lines disposed in the flexible printed circuit board so as to connect between the electronic circuit and a battery ECU.

Abstract: A protector is configured to protect a belt-like flexible board where a wiring pattern is provided. The protector includes a first accommodation portion configured to accommodate the flexible board so as to be slidable in a length direction of the flexible board, a second accommodation portion configured to accommodate the flexible board in a position different from the first accommodation portion in the length direction, and a bendable coupling portion that connects between the first accommodation portion and the second accommodation portion. The coupling portion is structured so that under a condition where the coupling portion is curved, deformation of the flexible board in a direction away from the coupling portion is allowed when the flexible board is slid in the length direction with respect to the first accommodation portion.

Abstract: An electrical junction box 1, which is intended to be miniaturized, has a plurality of electric components and an installing portion on which the plurality of electric parts are installed. The installing portion is composed of a plurality of divided portions, and has fastening portions for connecting adjacent divided portions to each other, while adjusting the positions of the adjacent divided portions relative to each other.

Abstract: A battery module that can improve efficiency of operation in maintenance is provided. A battery module includes a battery and a power distribution unit configured to distribute power to a load, wherein the power distribution unit includes a base and a device mounting portion supported by the base and electrically connected to the base to distribute power from the battery to the load, and the base includes a battery connection portion for connection with the battery, and a load connection portion for connection with the load.

Abstract: A duct holding structure includes insulating resin busbar modules (11a, 11b) which are attached to a battery assembly body (2) in which plural batteries (1) are arranged and connected to each other in series, and hold busbars (9) each of which connects electrodes of adjoining ones of the batteries (1); and an insulating resin duct (3) which is attached to the battery assembly body (2) while covering gas vents that are formed through an electrode surface (6) from which the electrodes of the batteries (1) project. The duct (3) and the busbar modules (11a, 11b) are provided with lock mechanisms (23) which lock the busbar modules (11a, 11b) on the duct (3).

Abstract: A bus bar module includes a plurality of first bus bars, a plurality of second bus bars, a resin-made case, a resin-made case, and a resin-made bridging member. The first bus bars electrically connect electrode terminals to each other in a first electrode row arranged in the same direction included in a battery assembly that is a plurality of batteries superimposed in the same direction, and electrically connect the electrode terminals of the two adjacent batteries to each other in the one electrode row. The second bus bars electrically connect electrode terminals of the two adjacent batteries to each other in a second electrode row in the battery assembly. The case holds the first bus bars. The case holds the second bus bars. The bridging member bridges these cases.

Abstract: A connector-attached circuit body include a circuit body including a flexible substrate having a wiring pattern, and a connector attached to the circuit body and including a terminal and a housing that accommodates the terminal. The terminal is electrically connected to the wiring pattern and extends in a thickness direction of the circuit body.

Abstract: A bus bar module includes a circuit body, a bus bar, a holder, and a cover configured to be assembled to the holder to protect the circuit body and the holder. The circuit body includes a belt-like main line that extends in a first direction, a belt-like branch line that extends from the main line so as to branch from the main line, and a connection portion provided in a position closer to a distal end of the branch line than a folded portion the branch line. The cover is structured so as to be stretchable and shrinkable in the first direction in accordance with a stretching and a shrinking of the holder in the first direction.

Abstract: A protector is configured to protect a belt-like flexible board where a wiring pattern is provided. The protector includes a first accommodation portion configured to accommodate the flexible board so as to be slidable in a length direction of the flexible board, a second accommodation portion configured to accommodate the flexible board in a position different from the first accommodation portion in the length direction, and a bendable coupling portion that connects between the first accommodation portion and the second accommodation portion. The coupling portion is structured so that under a condition where the coupling portion is curved, deformation of the flexible board in a direction away from the coupling portion is allowed when the flexible board is slid in the length direction with respect to the first accommodation portion.