Abstract: Included are a first main branch wiring part, a second main branch wiring part, a connection wiring part that connects end parts of the first and second main branch wiring parts, a first sub-branch wiring part branched from an end part of the first main branch wiring part, a second sub-branch wiring part branched from an end part of the second main branch wiring part, and a space part surrounded by the first main branch wiring part, the second main branch wiring part, and the connection wiring part. All the first sub-branch wiring parts and all the second sub-branch wiring parts are formed in a shape such that the first sub-branch wiring parts and the second sub-branch wiring parts do not stack on each other in the space part.

Abstract: A first main branch wiring portion is bent at a first main branch bending portion and is extended in an array direction of a plurality of battery cells, a second main branch wiring portion is bent at a second main branch bending portion and is extended in the array direction, a coupling wiring portion includes a main coupling wiring portion, a first sub-coupling wiring portion, and a second sub-coupling wiring portion, the first sub-coupling wiring portion is bent at a first sub-branch bending portion and is extended to one end portion of the first main branch wiring portion, and the second sub-coupling wiring portion is bent at a second sub-branch bending portion and is extended to one end portion of the second main branch wiring portion.

Abstract: A busbar module includes a first busbar group, a second busbar group, a flexible printed wiring board, and a case made of resin. The flexible printed wiring board includes a base end and a main body. The flexible printed wiring board includes a first slit portion and a second slit portion. The main body is divided by the second slit portion into two regions, a first region and a second region. The case includes a first case portion and a second case portion. The first case portion is configured so that the first region and the first cover cover the first busbar group. The second case portion is configured so that the second region and the second cover cover the second busbar group.

Abstract: A battery pack includes a plurality of batteries having a cylindrical shape, arranged with outer circumferential surfaces of the batteries facing each other, and each of the batteries including electrodes on both ends in an axial direction thereof, a plurality of bus bars fixed to the electrodes, and a flexible printed wiring board including a plurality of conductors connected to the bus bars. The flexible printed wiring board includes a belt-like main body routed along the outer circumferential surfaces of the batteries, and branch portions projecting from the main body and connected to the bus bars.

Abstract: A bus bar module includes a plurality of bus bars fixed to battery cells, and a circuit body. The circuit body includes a trunk line part extending along a first direction, and a plurality of branch parts. The branch parts include a coupling branch part connected to the two bus bars. The coupling branch part includes a first fixed part fixed to a first bus bar, a second fixed part fixed to a second bus bar, a first extending part, and a second extending part. The second extending part has a length with which the first bus bar and the second bus bar can be fixed to the battery cell while bending the second extending part to be deformed.

Abstract: The conductive module includes interterminal connection component groups for respective electrode terminal groups, and flexible wiring components for the respective interterminal connection component groups. Each of the flexible wiring components includes a transforming portion performing transformation into a temporary mounted form at the time when each of interterminal connection components is connected with electrode terminals and a formal mounted form after work of the connection. Each of the transforming portions is provided in part of the crossing portion on a subsidiary conductive portion side and/or in the subsidiary conductive portion, and displaces a portion between a main conductive portion side and the subsidiary conductive portion side between the temporary mounted form and the formal mounted form by the transformation.

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 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 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 connector-fitting structure of flexible printed circuit includes: a flexible printed circuit on which a wiring pattern is formed; an electronic component connected to the wiring pattern of the flexible printed circuit; and a connector to which one end part of the flexible printed circuit is fitted. The one end part of the flexible printed circuit is fitted to the connector to cause the electronic component to be housed in the connector.

Abstract: A circuit body includes: a plurality of conductors, and first and second substrates, wherein the first and second substrates include a battery wiring portion which is routed along each row of an electrodes and one ends of the conductors are respectively connected to bus bars, and a connector connection portion where the other ends of the plurality of conductors are connected to a connector, and parts of the first substrate and the second substrate are overlapped in the connector connection portion, so an arrangement order of the other ends of the conductors corresponds to the potential order of the bus bars.

Abstract: The conductive module includes interterminal connection component groups for respective electrode terminal groups, and flexible wiring components for the respective interterminal connection component groups. Each of the flexible wiring components includes a transforming portion performing transformation into a temporary mounted form at the time when each of interterminal connection components is connected with electrode terminals and a formal mounted form after work of the connection. Each of the transforming portions is provided in part of the crossing portion on a subsidiary conductive portion side and/or in the subsidiary conductive portion, and displaces a portion between a main conductive portion side and the subsidiary conductive portion side between the temporary mounted form and the formal mounted form by the transformation.

Abstract: A bus bar module is attached to a battery assembly having a plurality of single cells which are assembled to each other along a first direction. The bus bar module includes a circuit body, a bus bar, and a holder. The circuit body includes a main line that extends in the first direction, a branch line that extends from the main line so as to branch from the main line, and a connection portion provided in a position close to a distal end of the branch line rather than a folded portion of the branch line and configured to be connected to the bus bar.

Abstract: A structure of connection among a circuit body, a bus bar and an electronic element includes a circuit body configured by a flexible board on which a wiring pattern is provided, a bus bar attached to a mounting surface of the circuit body, and an electronic element attached to the mounting surface so as to connect the bus bar and the wiring pattern. The bus bar has a fixed portion extending along the mounting surface. The fixed portion is fixed to the mounting surface so that a restricted area which restricts deformation of the mounting surface is formed in a periphery of the fixed portion. The electronic element is arranged in the restricted area and is fixed to the mounting surface.

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 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: 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 connector-fitting structure of flexible printed circuit includes: a flexible printed circuit on which a wiring pattern is formed; an electronic component connected to the wiring pattern of the flexible printed circuit; and a connector to which one end part of the flexible printed circuit is fitted. The one end part of the flexible printed circuit is fitted to the connector to cause the electronic component to be housed in the connector.

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 circuit body includes: a plurality of conductors, and first and second substrates, wherein the first and second substrates include a battery wiring portion which is routed along each row of an electrodes and one ends of the conductors are respectively connected to bus bars, and a connector connection portion where the other ends of the plurality of conductors are connected to a connector, and parts of the first substrate and the second substrate are overlapped in the connector connection portion, so an arrangement order of the other ends of the conductors corresponds to the potential order of the bus bars.