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: A flexible printed circuit board including an electronic component includes a flexible printed circuit board, an electronic component, a cover, and a restricting portion. The printed circuit board including an electrically conductive line. The electronic component is mounted on the flexible printed circuit board and joined to the electrically conductive line. The cover covers a joint between the electronic component and the electrically conductive line. The restricting portion is along an outer edge of the cover. The flexible printed circuit board includes a groove along the outer edge of the cover. The groove is defined by opposed groove side surfaces. One of the opposed groove side surfaces farther from the electronic component is defined as the restricting portion.

Abstract: A sensor mounting structure includes an insulator and a temperature sensor. The insulator is attached to a wall of a case of an electric storage component to hold an electrode terminal projecting from the case and insulating the electrode terminal from the case. The temperature sensor includes a temperature sensing portion, a locking portion, and a spring portion. The temperature sensing portion holds a temperature sensing component and includes a temperature sensing surface that contacts the wall of the case. The locking portion is locked to the insulator. The spring portion presses the temperature sensing portion to hold the temperature sensing surface in close contact with the wall of the case.

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 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: A flexible printed circuit includes disclosed in this specification is a flexible printed with a plurality of conductive paths to which connection protruding portions of connection protruding pieces protruding from conductive members to be connected to electrode terminals of power storage elements are to be connected. The flexible printed circuit includes a plurality of inlet openings that are larger in size than the external shapes of the connection protruding portions and into which the connection protruding portions can be inserted with a gap being formed around each protruding portion, and a plurality of entrance openings that are provided corresponding to the inlet openings, have a configuration in which the protruding portions can be moved thereinto from the inlet openings, and extend in the form narrower than the inlet openings. Each of the conductive paths includes a land that is located at an edge portion of the entrance opening and to which the connection protruding portion is to be connected.

Abstract: A joint structure includes an end portion of the flat electric wire assembly, a terminal fitting, and solder. The flat electric wire assembly includes a conductive line, a first insulating layer covering the conductive line, and a second insulating layer covering a portion of the conductive line. The terminal fitting includes a joint portion that includes a receiving section on which the end portion is placed and blocking sections extending from the receiving section such that the end portion is between the blocking sections. The first insulating layer includes a first surface opposed to the receiving section and a second surface on which the conductive line is disposed. The conductive line includes an end portion different from the portion covered with the second insulating layer. The solder is disposed over the second surface. The blocking sections include surfaces over which the solder is not disposed.

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 wiring module configured to connect a power storage element group including power storage elements to external member includes: a connection member that connects electrodes of a pair of the power storage elements; an insulating protector that is attached to an electrode surface of the power storage element group and that houses the connection member; an electric cable that includes one end to be connected to a terminal electrode of the power storage element group and another end to be connected to the external member, and that is folded back from the one end to the other end; and a holding part that is provided to the insulating protector, and is configured to hold the electric cable.

Abstract: A flexible printed circuit board includes: a proximal end portion; a left strip portion and a right strip portion that extend in the rear direction from the proximal end portion; and conductive paths, a portion of which is provided spanning from the proximal end portion to the left strip portion, and another portion of which is provided spanning from the proximal end portion to the right strip portion. In portions of the conductive path in the left strip portion and the right strip portion, strip side connecting portions that are electrically connected to electrode terminals of electricity storage devices are provided. In the left strip portion, a deformation portion that deforms to increase the distance between the left strip portion and the right strip portion is provided.

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: A connection module can be attached to an electricity storage element group in which a plurality of electricity storage elements each including a positive and a negative electrode terminal are aligned, the connection module including: a bus bar including a pair of terminal connection portions that are to be respectively connected to the electrode terminals of the adjacent electricity storage elements; and an insulating protector that is to be fixed to the electricity storage element group, wherein the insulating protector includes an accommodation frame inside of which the bus bar is disposed; and retaining portions that prevent the bus bar from coming off in the left-right direction inside the accommodation frame, and a tolerance absorbing clearance is provided between each of the retaining portions and the bus bar.

Abstract: A sensor unit disclosed herein is a sensor unit that is to be mounted in a housing section included in a device, and the sensor unit includes a FPC including a detection line and having flexibility, a temperature sensor connected to a connection portion of the detection line on a surface of the FPC, and an elastic member disposed on the surface of the FPC so as to be elastically deformable. The elastic member is to be elastically compressed within the housing section to press a first plate member mounted on a back surface of the FPC toward the device by a resilient force.

Abstract: A temperature detection module for detecting a temperature of a measurement target is provided. The temperature detection module includes a temperature sensor, and a 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 the measurement target. The temperature sensor includes a sensor main body portion in which a temperature detection element is accommodated, and a spring portion that is integrally provided on the sensor main body portion. The spring portion is of a type that expands and contracts only in a single direction, and expands and contracts only in the separation and contact direction. The spring portion is attached to the holder and biases the temperature sensor such that a detection surface comes into contact with the measurement target.

Abstract: The present invention reliably prevents a problem caused by a short circuit. A short circuit protection device for a battery monitoring system according to the present invention includes: a battery that is an assembled battery including a plurality of battery cells; a battery monitoring apparatus for detecting the voltage of the battery; and a plurality of electric wires that connect the battery and the battery monitoring apparatus, and in each of which an eluting portion is formed midway in a lengthwise direction, the eluting portion being a portion where an insulating coating has been stripped and a core wire is exposed. When the eluting portions are immersed in an electrolyte, the eluting portions elute into the electrolyte, thereby melt and are cut off.

Abstract: A connection module includes: an insulating protector that holds a plurality of bus bars to connect between electrode terminals; and a flexible printed circuit that is held by the insulating protector, and includes a detection line that is connected to the each of the bus bars and detects a state of the power storage element. The insulating protector includes a protector horizontal part including a holding part which holds each of the bus bars and is formed at one end; and a vertical part that is extended in a vertical direction from the protector horizontal part in at least a part of another end, opposite to the one end, of the protector horizontal part. The flexible printed circuit includes: a substrate horizontal part that is held by the protector horizontal part; and a bent part that is bent perpendicularly to the substrate horizontal part and held by the vertical part.