Abstract: A busbar module unit includes a busbar module that is made of a resin and retains a plurality of first conductors and two second conductor, a wiring path that accommodates a plurality of voltage detection wires, a terminal accommodating portion that accommodates connection terminals of a power cable, and a cover member that is connected to the busbar module via a hinge portion. The terminal accommodating portion is integrally formed with the cover member. The wiring path is arranged so as to intersect at least one of the connection terminals. The cover member has a first face and a second face opposite to the first face, the first face opposes the wiring path when the cover member is folded back via the hinge portion. The terminal accommodating portion is formed on the second face.

Abstract: A voltage detecting terminal includes a flat plate-shaped electric contact portion having an insertion hole into which an electrode column of a battery is inserted, and a bent portion formed such that a tip is bent upward with respect to the electric contact portion. The bent portion is provided with a holding portion, and both ends of the holding portion in a plate width direction are expanded in the plate width direction, respectively. The voltage detecting terminal has a lower end surface of the holding portion in a thickness direction abutting against supporting surfaces of the plate and is held by a first housing portion.

Abstract: A resin plate includes divided resin plates that are linked to each other at a prescribed intermediate position in a battery arrangement direction of the battery assembly. Each of the divided resin plates includes busbar housing units arranged in the battery arrangement direction, wire housing units arranged in the battery arrangement direction, and a wire housing passage disposed at a position that is distant from the other side of the busbar housing units, houses wires that are different from wires housed in the wire housing units, and extends in the battery arrangement direction with its length which is greater in length than each of the busbar housing units and each of the wire housing units. The wire housing passage is formed, at its ends, with respective link and variation absorbing portions.

Abstract: A terminal fixation structure includes a terminal fixing portion including a terminal housing chamber, a terminal including a positioning recessed portion and housed in the terminal housing chamber, and a positioning rib provided in a center of the terminal fixing portion to protrude into the terminal housing chamber and fitted into the positioning recessed portion.

Abstract: Prevention of interference between an electric wire and a terminal in a wiring part, and downsizing of the wiring part are achieved. A battery connection member, includes a plurality of housings accommodating a bus bar connecting in series a plurality of batteries, and one or more terminals electrically connected to the bus bar; and a wiring part arranged in parallel along the plurality of housings in a direction intersecting a connecting direction of the electric wire relative to the terminals. The wiring part includes: a communication part formed to communicate with inside the wiring part, and positioning an end of a swaging part of the terminal therein; and an electric wire protection part continuing to the communication part, projecting toward inside the wiring part, and formed to prevent contact of the terminal positioned inside the communication part and the electric wire connected to the other terminal.

Abstract: A structure for attaching a service plug includes an insulating substrate that has openings facing electrodes of a pair of adjacent batteries among a plurality of batteries in a battery module, a pair of connection terminals that are respectively connected to electrodes of the pair of adjacent batteries through the insulating substrate by bolting with nuts, a pair of electric wires whose one ends are connected to the connection terminals respectively, and a connector that is connected to the other ends of the pair of electric wires, and detachably connected with the service plug. The insulating substrate has protrusions which are abutted against the connection terminals respectively, and regulate movement of the connection terminals which simultaneously rotate with rotation of the nuts respectively when being bolted with the nuts.

Abstract: Provided is a bus bar module and a power supply device capable of reducing the entire size thereof and improving assemblability thereof. A barrel portion of a voltage detection terminal extends from a voltage detection line housing groove provided between batteries and is connected to an outer end portion of a terminal portion in a Y direction through a connection portion, so that it is possible to ensure a Y direction dimension of the barrel portion while reducing a Y direction dimension of the entire bus bar module and power supply device. This can prevent the voltage detection terminal from being bent in an X direction when being bent in the Y direction when being housed in a bus bar housing portion, thereby allowing improvement of assemblability.

Abstract: A bus bar module includes a plurality of bus bars, each of which connects adjacent electrodes in a plurality of batteries so as to connect the plurality of batteries in series, the plurality of batteries being arranged such that the electrodes thereof are aligned in a straight line, a terminal connected to each of the bus bars; and a casing that accommodates the plurality of bus bars and the plurality of terminals. The casing includes a routing groove configured to route an electric wire in the arrangement direction, the electric wire being to be connected to the terminal. The routing groove includes an absorbing portion formed to be swollen such that a groove width dimension of a part thereof is made larger than a groove width dimension of the other part thereof, whereby the absorbing portion absorbs an extra length portion of the electric wire.

Abstract: A power storage apparatus includes a power storage module having a plurality of power storage elements which are aligned in one direction; a device placed adjacently to the power storage module in the direction of the alignment of the power storage elements; a high-voltage cable used in charge and discharge of the power storage module; and a support structure configured to support the high-voltage cable at a plurality of points to position the high-voltage cable along a reference path. The high-voltage cable is configured to electrically connect an electrode terminal of the power storage module to the device. The electrode terminal is one of two electrode terminals of the power storage module and is located on a farther side of the power storage module from the device.

Abstract: A resin plate includes divided resin plates that are linked to each other at a prescribed intermediate position in a battery arrangement direction of the battery assembly. Each of the divided resin plates includes busbar housing units arranged in the battery arrangement direction, wire housing units arranged in the battery arrangement direction, and a wire housing passage disposed at a position that is distant from the other side of the busbar housing units, houses wires that are different from wires housed in the wire housing units, and extends in the battery arrangement direction with its length which is greater in length than each of the busbar housing units and each of the wire housing units. The wire housing passage is formed, at its ends, with respective link and variation absorbing portions.

Abstract: A cover member is attached to a bus bar module. The bus bar module includes: a plurality of bus bars respectively connecting batteries adjacent to each other of a battery assembly composed of a plurality of batteries overlapped with each other; a main body to which the bus bars are attached, and overlapped with the battery assembly; a plurality of positioning projections and a plurality of locking portions provided on the main body. The cover member includes: a plurality of cover portions arranged in parallel to an overlapping direction X of the batteries, and covering the bus bars; and a plurality of elastically deforming portions movably connecting the cover portions adjacent to each other. Each of the cover portions includes: a positioning hole into which the positioning projection is inserted; and a lock receiving portion with which the locking portion is locked.

Abstract: A bus bar module includes a holding member for holding the plural bus bars with a mutual distance between the bus bars maintained. The holding member includes a first holding member for holding the plural bus bars in one electrode line of the plural battery cells, a second holding member for holding the plural bus bars in the other electrode line of the plural battery cells, and a joining member for structurally joining the first holding member to the second holding member. The joining member is formed in an arch shape upwardly projected from inside ends of the first holding member and the second holding member. The joining member has a rigid part adapted to maintain the arch shape and a flexible part adapted to vertically bend by a load from above.

Abstract: A drawing section 35 for electric wires 17 is formed such that a bottom plate 37 and a side wall 39 of a wiring path 21 are extended to be projected from an insulating plate 23. A tongue piece 43 around which a tape is wound together with the wires 17, is formed on the drawing section 35. The tongue piece 43 is bent in a direction opposite to a rising direction of the side wall 39 of the drawing section 35 so that a projection dimension of the tongue piece 43 is reduced.

Abstract: Provided are: a first-group accommodation part (21) and a second-group accommodation part (22) in each of which accommodation parts (2) each of which accommodates at least one of a bus bar (3), a terminal (4), and an electric wire (5) connected to the terminal (4) are arranged; a linkage part (8) linking the first-group accommodation part (21) and the second-group accommodation part (22) to each other; and an electric wire routing part (9) provided in the linkage part (8) and accommodating the electric wires (5).

Abstract: A power supply apparatus 1 includes: a battery cell assembly 2 including battery cells 3 having a positive terminal 11 at one end and a negative terminal 12 at the other end; a busbar module 5 attached to the assembly 2 and configured to connect the cells 3 in series with each other; and a pair of electric wires 9 connected to electrodes 11, 12 taking out a voltage of the series-connected cells 3. The busbar module 5 includes: bus bars 6 configured to connect the positive terminal 11 and the negative terminal 12 of the mutually adjacent battery cells 3 of the assembly 2; a plate 8 disposed on the assembly 2 with the bus bars 6 attached thereto; and an electric wire holding portion 18 provided on the plate 8 configured to hold one electric wire 9a of the pair of the electric wires 9. The electric wire holding portion 18 extends in the arrangement direction X in which the cells 3 are arranged at a central portion of the plate 8 in the width direction Z orthogonal to the direction X of the battery cells 3.

Abstract: A fuse cover lock 26 has a return portion that is inserted through a through hole, which is an engagement portion 42, so as to be brought into engagement with a step portion 44. In the return portion that is in engagement with the step portion 44, an end portion on a side facing a fuse cover 4 in an assembling direction of a fuse holder 2 to the fuse cover 4 is positioned near a circumferential edge of an opening of the through hole.

Abstract: In a busbar module for connecting a plurality of batteries of a battery unit, the batteries are arranged so that electrodes of each of the batteries having different polarities are disposed adjacent to each other. The busbar module includes a plurality of busbars, a plurality of terminals, a plurality of wires, a plurality of plates and a connector. The busbars connect the electrodes adjacent to each other. The terminals are connected to the busbars respectively to detect a voltage of the batteries. The wires are connected to the terminals respectively. The plates accommodate the busbar, the terminals and the wires, and provided above the battery unit. The connector connects the plates together.

Abstract: A busbar module for connecting a plurality of batteries of a battery unit in which the batteries are arranged so that electrodes of each of the batteries having different polarities are disposed adjacent to each other is provided. The busbar module includes busbars, terminals, wires and plates. The busbars connect the electrodes adjacent to each other. The terminals are connected to the busbars respectively to detect a voltage of the batteries. The wires are connected to the terminals respectively. The plates accommodate the busbar, the terminals and the wires, and provided above the battery unit. A connector connects the plates together.

Abstract: A voltage detecting terminal includes a flat plate-shaped electric contact portion having an insertion hole into which an electrode column of a battery is inserted, and a bent portion formed such that a tip is bent upward with respect to the electric contact portion. The bent portion is provided with a holding portion, and both ends of the holding portion in a plate width direction are expanded in the plate width direction, respectively. The voltage detecting terminal has a lower end surface of the holding portion in a thickness direction abutting against supporting surfaces of the plate and is held by a first housing portion.

Abstract: A power supply device (1) includes a battery cell assembly (2) being an assembly of battery cells (3) each having electrodes (4), a battery connecting block (10) placed on a side of the battery cell assembly (2) where the electrodes (4) are located and including a case body (11) including terminal fixing portions (12, 13) and a thermistor inserting portion (20), terminals (32, 30) fixed to the corresponding terminal fixing portions (12, 13), and a thermistor (31) disposed in the thermistor inserting portion (20) and configured to detect a temperature of the battery cells (3), and a thermistor wire (W2) drawn from the thermistor (31) to extend along the thermistor inserting portion (20) and fixed to the case body (11) by a binding band (35).