US-20260128453-A1 - WIRING MODULE

US20260128453A1US 20260128453 A1US20260128453 A1US 20260128453A1US-20260128453-A1

Abstract

A wiring module is to be to be attached to a battery stack configured by stacking a plurality of power storage elements including electrode terminals, and provided with at least one first wire and a protector including an accommodating portion extending in a routing direction, the first wire being routed in the routing direction, and configured to accommodate the first wire. The accommodating portion includes a bottom portion, at least one first side piece extending in a first direction orthogonal to the routing direction from one side edge of the bottom portion, at least one side piece extending in the first direction from the other side edge of the bottom portion, at least one first space provided adjacent to the first side piece in the routing direction and at least one second space provided adjacent to the second side piece in the routing direction.

Inventors

Kotaro Takada
Osamu Nakayama
Katsushi Miyazaki
Daiki TSUJI

Assignees

AUTONETWORKS TECHNOLOGIES, LTD.
SUMITOMO WIRING SYSTEMS, LTD.
SUMITOMO ELECTRIC INDUSTRIES, LTD.

Dates

Publication Date: 20260507
Application Date: 20231002
Priority Date: 20221006

Claims (4)

1 . A wiring module to be attached to a battery stack configured by stacking a plurality of power storage elements including electrode terminals, comprising: at least one first wire; and a protector including an accommodating portion extending in a routing direction, the first wire being routed in the routing direction, the accommodating portion accommodating the first wire, the accommodating portion including a bottom portion, at least one first side piece extending in a first direction orthogonal to the routing direction from one side edge of the bottom portion, at least one second side piece extending in the first direction from the other side edge of the bottom portion, at least one first space provided adjacent to the first side piece in the routing direction and at least one second space provided adjacent to the second side piece in the routing direction, the first and second side pieces being arranged not to overlap each other in a second direction orthogonal to both the routing direction and the first direction, the first and second side pieces being deflectable and deformable in the second direction, the first side piece facing the second space on the second side piece side in the second direction, the second side piece facing the first space on the first side piece side in the second direction, the first side piece including a first claw portion projecting toward the second space from an end edge in the first direction of the first side piece, the second side piece including a second claw portion projecting toward the first space from an end edge in the first direction of the second side piece, and a minimum dimension in the second direction between the first and second claw portions is smaller than an outer diameter of the first wire.
2 . The wiring module according to claim 1 , wherein: the first side piece and the first space are alternately disposed in the routing direction, and the second side piece and the second space are alternately disposed in the routing direction.
3 . The wiring module according to claim 1 , further comprising a second wire different from the first wire, wherein: the protector includes a routing portion for routing the second wire in the routing direction, the routing portion includes a bottom wall portion and a pair of side wall portions extending in the second direction from both side edges of the bottom wall portion, and the side wall portions double as the bottom portion.
4 . The wiring module according to claim 1 , further comprising a plurality of electrically conductive members to be connected to the electrode terminals, wherein: the protector includes through holes penetrating in the second direction, and the electrode terminals and the electrically conductive members are connected via the through holes.

Description

TECHNICAL FIELD The present disclosure relates to a wiring module. BACKGROUND In a high-voltage battery pack used in an electric vehicle, a hybrid vehicle or the like, a multitude of battery cells are normally stacked and electrically connected in series or in parallel by a wiring module. A wiring module described in Japanese Patent Laid-Open Publication No. 2016-122577 (Patent Document 1 below) has been conventionally known as such a wiring module. The wiring module described in Patent Document 1 is provided with a busbar, a temperature detecting member and an insulating protector for holding the busbar and the temperature detecting member. Each of the busbar and the temperature detecting member is connected to a device outside the wiring module via a wire. The insulating protector includes wire accommodation grooves for accommodating the wires. Restricting pieces projecting from one groove wall portion to the other groove wall portion are provided on the upper end edges of a pair of the groove wall portions of the wire accommodation groove. The restricting pieces restrict the wire from protruding from the wire accommodation groove. The restricting pieces are provided on both of the pair of groove wall portions and a pair of the corresponding restricting pieces are disposed to approach each other. PRIOR ART DOCUMENTS Patent Document Patent Document 1: JP 2016-122577 A SUMMARY OF THE INVENTION Problems to be Solved In the above configuration, when the wire is accommodated into the wire accommodation groove, an operation of making an interval between the pair of restricting pieces facing each other wider than an outer diameter of the wire and introducing the wire into between the pair of restricting pieces by deflecting the restricting pieces is necessary. In the wiring module of this type, a configuration capable of more easily routing the wires in the insulating protector is desired. Means to Solve the Problem The present disclosure is directed to a wiring module to be attached to a battery stack configured by stacking a plurality of power storage elements including electrode terminals, the wiring module being provided with at least one first wire and a protector including an accommodating portion extending in a routing direction, the first wire being routed in the routing direction, the accommodating portion accommodating the first wire, the accommodating portion including a bottom portion, at least one first side piece extending in a first direction orthogonal to the routing direction from one side edge of the bottom portion, at least one second side piece extending in the first direction from the other side edge of the bottom portion, at least one first space provided adjacent to the first side piece in the routing direction and at least one second space provided adjacent to the second side piece in the routing direction, the first and second side pieces being arranged not to overlap each other in a second direction orthogonal to both the routing direction and the first direction, the first and second side pieces being deflectable and deformable in the second direction, the first side piece facing the second space on the second side piece side in the second direction, the second side piece facing the first space on the first side piece side in the second direction, the first side piece including a first claw portion projecting toward the second space from an end edge in the first direction of the first side piece, the second side piece including a second claw portion projecting toward the first space from an end edge in the first direction of the second side piece, and a minimum dimension in the second direction between the first and second claw portions is smaller than an outer diameter of the first wire. Effect of the Invention According to the present disclosure, it is possible to provide a wiring module in which a first wire is easily routed. BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a front view of a power storage module according to an embodiment. FIG. 2 is an enlarged front view of the power storage module showing the periphery of a wire accommodating portion. FIG. 3 is a section along A-A of FIG. 2. FIG. 4 is an enlarged side view of the power storage module showing the periphery of the wire accommodating portion. FIG. 5 is an enlarged perspective view of the power storage module showing the periphery of the wire accommodating portion. FIG. 6 is a perspective view of a front part of the battery stack. FIG. 7 is a perspective view showing an essential part of a laminated battery. FIG. 8 is an enlarged perspective view of a power storage module according to another embodiment showing the periphery of a wire accommodating portion. DETAILED DESCRIPTION TO EXECUTE THE INVENTION Description of Embodiments of Present Disclosure First, embodiments of the present disclosure are listed and described. (1) The wiring module of the present disclosure is to be attached to a battery stack configured by stack