WO2024029303A1 - Battery wiring module - Google Patents

Battery wiring module Download PDF

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Publication number
WO2024029303A1
WO2024029303A1 PCT/JP2023/025870 JP2023025870W WO2024029303A1 WO 2024029303 A1 WO2024029303 A1 WO 2024029303A1 JP 2023025870 W JP2023025870 W JP 2023025870W WO 2024029303 A1 WO2024029303 A1 WO 2024029303A1
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WO
WIPO (PCT)
Prior art keywords
battery
locking
locked
bus bar
case
Prior art date
Application number
PCT/JP2023/025870
Other languages
French (fr)
Japanese (ja)
Inventor
洋 佐藤
Original Assignee
住友電装株式会社
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Filing date
Publication date
Application filed by 住友電装株式会社 filed Critical 住友電装株式会社
Publication of WO2024029303A1 publication Critical patent/WO2024029303A1/en

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/204—Racks, modules or packs for multiple batteries or multiple cells
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/298—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by the wiring of battery packs
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/50—Current conducting connections for cells or batteries
    • H01M50/502—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing
    • H01M50/507—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing comprising an arrangement of two or more busbars within a container structure, e.g. busbar modules
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/50—Current conducting connections for cells or batteries
    • H01M50/569—Constructional details of current conducting connections for detecting conditions inside cells or batteries, e.g. details of voltage sensing terminals

Definitions

  • the present disclosure relates to a battery wiring module.
  • a battery wiring module is attached to a high voltage battery mounted as a power source for driving the vehicle.
  • the battery wiring module includes electric wires that are electrically connected to the battery and a case that accommodates the electric wires.
  • the case also houses a temperature sensor that detects the temperature of the battery. The temperature sensor is pressed against the battery by a biasing member such as a spring. Thereby, battery temperature detection can be achieved with high accuracy.
  • the reaction force of the pressing force may cause the case to separate from the battery, or so-called lifting. there were.
  • An object of the present disclosure is to provide a battery wiring module that can suppress lifting of the case.
  • a battery wiring module of the present disclosure is a battery wiring module that can be attached to a battery, and includes an electric wire that is electrically connected to the battery, and a case that accommodates the electric wire, and the case is a battery wiring module that can be attached to a battery.
  • the battery includes a sensor accommodating portion that accommodates a temperature sensor for detecting temperature, and a locking portion that is locked to a locked portion provided on the battery.
  • the battery wiring module of the present disclosure exhibits the effect of suppressing lifting of the case.
  • FIG. 1 is a schematic plan view of a battery wiring module according to an embodiment.
  • FIG. 2 is a perspective view showing a part of the case in the battery wiring module of the same type.
  • FIG. 3 is a plan view showing a part of the case in the battery wiring module of the same type.
  • FIG. 4 is a sectional view taken along line 4-4 in FIG.
  • the battery wiring module of the present disclosure includes: [1] A battery wiring module that can be attached to a battery, and includes an electric wire that is electrically connected to the battery, and a case that houses the electric wire, and the case is configured to detect the temperature of the battery.
  • the battery includes a sensor accommodating portion that accommodates a temperature sensor, and a locking portion that is locked to a locked portion provided on the battery.
  • a plurality of the locking portions may be provided, and a plurality of the locked portions may be provided corresponding to the plurality of locking portions, respectively. According to this configuration, the plurality of locking parts make it possible to firmly hold the case so that it does not separate from the battery.
  • the plurality of locking parts include a first locking part and a second locking part
  • the plurality of locked parts include the first locking part.
  • the sensor accommodating portion includes a first locked portion to be locked and a second locked portion to which the second locking portion is locked, and the sensor accommodating portion includes the first locked portion and the second locked portion. It may be provided between the locking portion and the locking portion.
  • the first locking portion and the second locking portion make it possible to hold the case on both sides of the sensor accommodating portion so as not to separate from the battery. This makes it possible to more appropriately suppress lifting of the portion of the case that includes the sensor accommodating portion.
  • the battery includes a plurality of battery cells arranged in parallel in one direction, and the sensor accommodating portion, the first locking portion, and the second locking portion are connected to each other. may be arranged in the direction in which the plurality of battery cells are arranged in parallel.
  • the first locking portion and the second locking portion are provided on both sides of the sensor accommodating portion in the direction in which the battery cells are arranged side by side.
  • the first locking portion and the second locking portion can suitably suppress lifting of the case.
  • the case has a plurality of busbar holding parts that hold busbars that form a conductive path together with the electric wires, and the plurality of busbar holding parts are arranged so that the plurality of battery cells are arranged in parallel.
  • the sensor accommodating portions are arranged in parallel along the direction, and the sensor accommodating portions are provided astride a pair of adjacent busbar holding portions among the plurality of busbar holding portions, and the sensor accommodating portions are provided astride a pair of adjacent busbar holding portions among the plurality of busbar holding portions.
  • the part is a busbar holding part that is different from the pair of busbar holding parts that the sensor accommodating part straddles among the plurality of busbar holding parts, and is located next to each of the pair of busbar holding parts. may be provided.
  • the first locking portion and the second locking portion at closer positions on both sides of the sensor housing portion.
  • the first locking portion and the second locking portion can suitably suppress lifting of the case.
  • the battery wiring module 10 of this embodiment is attached to a battery 11 mounted in, for example, an electric vehicle, a hybrid vehicle, or the like.
  • the battery 11 is, for example, a secondary battery.
  • the battery 11 supplies power to a driving motor of a vehicle (not shown). Further, the battery 11 receives power from a travel motor or a power generation motor depending on the state of charge and the driving state of the vehicle.
  • the battery 11 includes a plurality of battery cells 12.
  • the battery 11 has a substantially rectangular parallelepiped shape, for example, by having a plurality of battery cells 12 arranged side by side in one direction.
  • the direction in which the battery cells 12 are lined up will be referred to as the X direction
  • the direction orthogonal to the X direction will be referred to as the Y direction.
  • the Z direction perpendicular to the X direction and the Y direction is defined as an up-down direction
  • the side on which the battery wiring module 10 is attached to the battery 11 is defined as an upward direction. That is, the battery 11 has a module mounting surface 13 on the upper side surface, on which the battery wiring module 10 is mounted.
  • Each battery cell 12 has two battery terminals 14. One of the two battery terminals 14 is a positive terminal and the other is a negative terminal. When each battery cell 12 is arranged in the X direction, the two battery terminals 14 are arranged on the upper surface of the battery cell 12 along the Y direction.
  • the battery wiring module 10 includes a plurality of electric wires 21 electrically connected to the battery 11 and a case 22 that accommodates each electric wire 21. Further, the battery wiring module 10 includes, for example, a plurality of bus bars 23 supported by a case 22. For example, a plurality of bus bars 23 are arranged in line along the X direction on both sides of the case 22 in the Y direction. Each bus bar 23 connects adjacent battery terminals 14 in the X direction. The bus bar 23 is connected to the battery terminal 14 by, for example, welding. Each bus bar 23 is electrically connected to a corresponding electric wire 21. The bus bar 23 forms a conductive path together with the electric wire 21.
  • the electric wire 21 is a pressure-testing electric wire for detecting the voltage of the bus bar 23, for example. Each electric wire 21 is connected to a connector 24 for connecting to a pressure testing device (not shown).
  • the battery wiring module 10 also includes a cover 25 that covers the upper side of the case 22.
  • the case 22 is made of an insulator such as synthetic resin.
  • the case 22 includes a first bus bar holding section 26 and a second bus bar holding section 27 .
  • the first bus bar holding section 26 and the second bus bar holding section 27 have different shapes from each other.
  • a plurality of first bus bar holding parts 26 and second bus bar holding parts 27 are arranged alternately in the X direction.
  • Two rows of first bus bar holding parts 26 and second bus bar holding parts 27 are provided, each corresponding to two rows of bus bars 23 arranged in the X direction.
  • a pair of first bus bar holding parts 26 and second bus bar holding parts 27 adjacent to each other in the X direction hold one bus bar 23.
  • Each bus bar 23 is provided so as to straddle a first bus bar holding section 26 and a second bus bar holding section 27 that are adjacent to each other in the X direction.
  • the case 22 has a sensor housing section 30.
  • a temperature sensor 60 for detecting the temperature of the battery 11 is housed in the sensor housing section 30 .
  • 2 and 3 are diagrams showing the vicinity of the sensor accommodating section 30 in the case 22.
  • the case 22 has a wire accommodating portion 31 extending in the X direction.
  • the wire accommodating portion 31 has a bottom wall 32 and a pair of side walls 33 and 34 facing each other in the Y direction.
  • the lower surface of the bottom wall 32 faces the module mounting surface 13 in the Z direction.
  • Each side wall 33, 34 extends upward from the bottom wall 32.
  • the electric wire 21 is housed between the pair of side walls 33 and 34 in the Y direction.
  • the side wall 33 the side wall located on the inside in the Y direction
  • the side wall 34 the side wall located on the outside in the Y direction
  • the first bus bar holding section 26 and the second bus bar holding section 27 are provided outside the wire accommodating section 31 in the Y direction. Note that the open upper side of the wire accommodating portion 31 is covered with the cover 25.
  • the sensor accommodating portion 30 is formed so as to straddle one first bus bar holding portion 26 and one second bus bar holding portion 27 that are adjacent to each other in the X direction.
  • the 1st bus-bar holding part 26 and the 2nd bus-bar holding part 27 in which the sensor accommodating part 30 was formed are each demonstrated as the 1st bus-bar holding part 26a and the 2nd bus-bar holding part 27a.
  • the first busbar holding part 26 adjacent to the second busbar holding part 27a in the X direction and located on the opposite side from the first busbar holding part 26a is connected to the first busbar holding part 26, This is referred to as a holding portion 26b.
  • the second busbar holding section 27 adjacent to the first busbar holding section 26a in the X direction and located on the opposite side of the second busbar holding section 27a is connected to the second busbar holding section 27, which is located on the opposite side of the second busbar holding section 27a.
  • This is referred to as a holding portion 27b.
  • the first bus bar holding parts 26 other than the first bus bar holding parts 26a and 26b are referred to as a first bus bar holding part 26c.
  • the second bus bar holding parts 27 other than the second bus bar holding parts 27a and 27b are defined as second bus bar holding parts 27c.
  • the first bus bar holding parts 26b, 26c and the second bus bar holding parts 27b, 27c extend outward from the wire accommodating part 31 in the Y direction.
  • the first bus bar holding section 26a and the second bus bar holding section 27a extend outward in the Y direction from the sensor housing section 30.
  • a first opening 35 is provided in the side wall 34 of the wire accommodating portion 31 at a position corresponding to the second bus bar holding portions 27b, 27c.
  • a second opening portion 36 is provided at a position corresponding to the second bus bar holding portion 27a.
  • the electric wire 21 is drawn out from the inside of the electric wire accommodating part 31 to the outside in the Y direction through the first opening 35 or the second opening 36.
  • the case 22 has an opposing wall portion 37 provided across the first bus bar holding portion 26a and the second bus bar holding portion 27a.
  • the opposing wall portion 37 is provided on the outside of the side wall 34 of the wire accommodating portion 31 in the Y direction.
  • the opposing wall portion 37 is, for example, parallel to the side wall 34.
  • the opposing wall portion 37 faces the side wall 34 in the Y direction.
  • the first bus bar holding portion 26a extends outward in the Y direction from the opposing wall portion 37.
  • the sensor housing section 30 is provided between the side wall 34 and the opposing wall section 37. Further, the sensor housing section 30 is provided between the first bus bar holding section 26a and the wire housing section 31.
  • the sensor housing section 30 has a spring support section 38 .
  • the spring support portion 38 is formed to connect the side wall 34 and the opposing wall portion 37.
  • the sensor housing section 30 houses a temperature sensor 60 and a spring member 61.
  • Spring member 61 is provided between temperature sensor 60 and spring supporter 38 .
  • Spring member 61 urges temperature sensor 60 downward.
  • the temperature sensor 60 is, for example, a thermistor.
  • the temperature sensor 60 has a temperature detection surface 60a.
  • the temperature sensor 60 has a temperature detection surface 60a pressed against the upper surface 12a of the battery cell 12 by the urging force of the spring member 61.
  • the case 22 is provided with a holding claw 39 that holds the temperature sensor 60. As shown in FIG. 2, the holding claw 39 is provided at the base end portion of the second bus bar holding portion 27a.
  • the case 22 has a first locking portion 41 and a second locking portion 51 on both sides of the sensor accommodating portion 30 in the X direction.
  • the first locking portion 41 is provided at the base end portion of the first bus bar holding portion 26b.
  • the first locking portion 41 includes, for example, a first extending portion 42, a second extending portion 43, and a claw portion 44.
  • the first extending portion 42 extends upward in the Z direction from the first bus bar holding portion 26b.
  • the second extending portion 43 is folded back in a substantially U-shape from the upper end of the first extending portion 42 and extends downward in the Z direction.
  • the first locking portion 41 has a substantially U-shape formed by the first extension portion 42 and the second extension portion 43, and is formed to be able to bend in the X direction.
  • the case 22 includes, for example, a connecting wall 45 that connects the first locking portion 41 and the side wall 34.
  • the claw portion 44 protrudes from the lower end of the second extension portion 43 in the X direction, for example.
  • the claw portion 44 is locked to a first locked portion 71 provided on the battery 11 .
  • the first locked portion 71 is a portion of the battery 11 that extends upward from the battery 11 .
  • the claw portion 44 is inserted into a locking hole 72 provided in the first locked portion 71 .
  • the claw portion 44 is adapted to engage with the locking hole 72 upward in the Z direction. Thereby, the first locking portion 41 holds the case 22 so that it does not separate from the battery 11 in the Z direction.
  • the second locking portion 51 is provided at the base end of the second bus bar holding portion 27b.
  • the second locking portion 51 includes, for example, a first extending portion 52, a second extending portion 53, and a claw portion 54.
  • the first extending portion 52 extends upward in the Z direction from the second bus bar holding portion 27b.
  • the second extending portion 53 is folded back in a substantially U-shape from the upper end of the first extending portion 52 and extends downward in the Z direction.
  • the second locking portion 51 has a substantially U-shape formed by the first extension portion 52 and the second extension portion 53, and is formed to be able to bend in the X direction.
  • the case 22 includes, for example, a connecting wall 55 that connects the second locking portion 51 and the side wall 34.
  • the claw portion 54 protrudes from the lower end of the second extension portion 53 in the X direction, for example.
  • the claw portion 54 is locked to a second locked portion 81 provided on the battery 11 .
  • the second locked portion 81 is a portion of the battery 11 that extends upward from the battery 11 .
  • the claw portion 54 is inserted into a locking hole 82 provided in the second locked portion 81 .
  • the claw portion 54 is adapted to engage with the locking hole 82 upward in the Z direction. Thereby, the second locking portion 51 holds the case 22 so that it does not separate from the battery 11 in the Z direction.
  • the case 22 has a first locking portion 41 and a second locking portion 51 that are respectively locked to a first locking portion 71 and a second locking portion 81 provided on the battery 11. ing. According to this configuration, the first locking part 41 and the second locking part 51 can hold the case 22 so that it does not separate from the battery 11. This makes it possible to suppress the case 22 from lifting up.
  • the case 22 has a plurality of locking parts, that is, a first locking part 41 and a second locking part 51. According to this configuration, the first locking portion 41 and the second locking portion 51 can firmly hold the case 22 so that it does not separate from the battery 11.
  • the sensor housing portion 30 is provided between the first locking portion 41 and the second locking portion 51 in the X direction. According to this configuration, the first locking portion 41 and the second locking portion 51 can hold the case 22 on both sides of the sensor housing portion 30 so as not to separate from the battery 11. This allows the first locking portion 41 and the second locking portion 51 to suitably receive the reaction force of the force that presses the temperature sensor 60 against the battery 11 . As a result, it becomes possible to more appropriately suppress lifting of the portion of the case 22 that includes the sensor housing portion 30.
  • the battery 11 includes a plurality of battery cells 12 arranged in parallel along the X direction.
  • the sensor accommodating portion 30, the first locking portion 41, and the second locking portion 51 are lined up in the direction in which the plurality of battery cells 12 are arranged side by side. According to this configuration, it is possible to provide the first locking portion 41 and the second locking portion 51 on both sides of the sensor accommodating portion 30 in the direction in which the battery cells 12 are arranged side by side. As a result, the first locking portion 41 and the second locking portion 51 can suitably suppress lifting of the case 22.
  • the case 22 includes a plurality of first busbar holding parts 26 and second busbar holding parts 27 that hold the busbars 23 that form a conductive path together with the electric wires 21.
  • the plurality of first bus bar holding parts 26 and the second bus bar holding parts 27 are arranged in parallel along the direction in which the plurality of battery cells 12 are arranged in parallel, that is, along the X direction.
  • the sensor accommodating part 30 is provided astride the first bus bar holding part 26a and the second bus bar holding part 27a which are adjacent to each other in the X direction.
  • the first locking part 41 and the second locking part 51 are connected to a first busbar holding part 26b and a second busbar holding part 26b and a second busbar holding part 26a and a second busbar holding part 27a on both sides of the pair of first busbar holding parts 26a and second busbar holding parts 27a that the sensor housing part 30 straddles. It is provided in the bus bar holding portion 27b. According to this configuration, the first locking portion 41 and the second locking portion 51 can be provided closer to each other on both sides of the sensor housing portion 30. As a result, the first locking portion 41 and the second locking portion 51 can suitably suppress lifting of the case 22.
  • first locked portion 71 may be provided with a convex portion
  • first locking portion 41 may be provided with a concave portion into which the convex portion is inserted and locked.
  • second locked portion 81 may be provided with a convex portion
  • the second locking portion 51 may be provided with a concave portion into which the convex portion is inserted and locked.
  • first locking part 41 and the second locking part 51 are provided on both sides of the sensor housing part 30 in the X direction, but in addition to this, for example, second locking parts are provided on both sides of the sensor housing part 30 in the Y direction.
  • a first locking portion 41 and a second locking portion 51 may be provided.
  • one of the first locking part 41 and the second locking part 51 may be omitted. That is, the number of locking portions of the case 22 that are locked to the locked portion of the battery 11 may be one.
  • the arrangement position of the sensor accommodating part 30 in the case 22 is different from that of the above embodiment. It is not particularly limited.

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Battery Mounting, Suspending (AREA)
  • Connection Of Batteries Or Terminals (AREA)

Abstract

One embodiment of the present invention provides a battery wiring module including a case which can be inhibited from lifting off. A case (22) includes: a sensor accommodation part (30) for accommodating a temperature sensor (60) for detecting the temperature of a battery; a first hook part (41); and a second hook part (51). The first hook part (41) is hooked to a first receiving part (71) provided to the battery. The second hook part (51) is hooked to a second receiving part (81) provided to the battery.

Description

電池配線モジュールbattery wiring module
　本開示は、電池配線モジュールに関するものである。 The present disclosure relates to a battery wiring module.
　例えば特許文献１に開示されるように、電気自動車やハイブリッド自動車などの車両において、走行駆動用の電源として搭載される高電圧の電池には、電池配線モジュールが装着されている。電池配線モジュールは、電池に電気的に接続される電線と、その電線を収容するケースとを備えている。ケースには、電池の温度を検出する温度センサも収容されている。温度センサは、ばね等の付勢部によって電池に押し付けられる。これにより、電池の温度検出が高精度にて実現される。 For example, as disclosed in Patent Document 1, in a vehicle such as an electric vehicle or a hybrid vehicle, a battery wiring module is attached to a high voltage battery mounted as a power source for driving the vehicle. The battery wiring module includes electric wires that are electrically connected to the battery and a case that accommodates the electric wires. The case also houses a temperature sensor that detects the temperature of the battery. The temperature sensor is pressed against the battery by a biasing member such as a spring. Thereby, battery temperature detection can be achieved with high accuracy.
特開２０１４－８９９１２号公報JP2014-89912A
　電池配線モジュールを電池に装着した状態において、付勢部が温度センサを押圧するときの力を押圧力としたとき、その押圧力の反力によって、ケースが電池から離れる、いわゆる浮き上がりが生じるおそれがあった。 When the battery wiring module is attached to the battery, when the force when the biasing section presses the temperature sensor is used as a pressing force, the reaction force of the pressing force may cause the case to separate from the battery, or so-called lifting. there were.
　本開示の目的は、ケースの浮き上がりを抑制可能にした電池配線モジュールを提供することにある。 An object of the present disclosure is to provide a battery wiring module that can suppress lifting of the case.
　本開示の電池配線モジュールは、電池に装着可能な電池配線モジュールであって、前記電池に電気的に接続される電線と、前記電線を収容するケースと、を備え、前記ケースは、前記電池の温度を検出するための温度センサを収容するセンサ収容部と、前記電池に設けられた被係止部に係止される係止部と、を有している。 A battery wiring module of the present disclosure is a battery wiring module that can be attached to a battery, and includes an electric wire that is electrically connected to the battery, and a case that accommodates the electric wire, and the case is a battery wiring module that can be attached to a battery. The battery includes a sensor accommodating portion that accommodates a temperature sensor for detecting temperature, and a locking portion that is locked to a locked portion provided on the battery.
　本開示の電池配線モジュールは、ケースの浮き上がりを抑制する効果を発揮する。 The battery wiring module of the present disclosure exhibits the effect of suppressing lifting of the case.
図１は、実施形態の電池配線モジュールの模式平面図である。FIG. 1 is a schematic plan view of a battery wiring module according to an embodiment. 図２は、同形態の電池配線モジュールにおけるケースの一部を示す斜視図である。FIG. 2 is a perspective view showing a part of the case in the battery wiring module of the same type. 図３は、同形態の電池配線モジュールにおけるケースの一部を示す平面図である。FIG. 3 is a plan view showing a part of the case in the battery wiring module of the same type. 図４は、図３における４－４線断面図である。FIG. 4 is a sectional view taken along line 4-4 in FIG.
　［本開示の実施形態の説明］
　最初に本開示の実施態様を列記して説明する。
　本開示の電池配線モジュールは、
　［１］電池に装着可能な電池配線モジュールであって、前記電池に電気的に接続される電線と、前記電線を収容するケースと、を備え、前記ケースは、前記電池の温度を検出するための温度センサを収容するセンサ収容部と、前記電池に設けられた被係止部に係止される係止部と、を有している。 [Description of embodiments of the present disclosure]
First, embodiments of the present disclosure will be listed and described.
The battery wiring module of the present disclosure includes:
[1] A battery wiring module that can be attached to a battery, and includes an electric wire that is electrically connected to the battery, and a case that houses the electric wire, and the case is configured to detect the temperature of the battery. The battery includes a sensor accommodating portion that accommodates a temperature sensor, and a locking portion that is locked to a locked portion provided on the battery.
　この構成によれば、電池の被係止部に係止される係止部によって、ケースが電池から離れないように保持することが可能となる。これにより、ケースの浮き上がりを抑制することが可能となる。 According to this configuration, it is possible to hold the case so that it does not separate from the battery by the locking part that is locked to the locked part of the battery. This makes it possible to suppress lifting of the case.
　［２］上記［１］において、前記係止部は、複数設けられ、前記被係止部は、前記複数の係止部にそれぞれ対応して複数設けられていてもよい。
　この構成によれば、複数の係止部によって、ケースが電池から離れないように強固に保持することが可能となる。 [2] In the above [1], a plurality of the locking portions may be provided, and a plurality of the locked portions may be provided corresponding to the plurality of locking portions, respectively.
According to this configuration, the plurality of locking parts make it possible to firmly hold the case so that it does not separate from the battery.
　［３］上記［２］において、前記複数の係止部は、第１係止部と、第２係止部と、を含み、前記複数の被係止部は、前記第１係止部が係止される第１被係止部と、前記第２係止部が係止される第２被係止部と、を含み、前記センサ収容部は、前記第１係止部と前記第２係止部との間に設けられていてもよい。 [3] In [2] above, the plurality of locking parts include a first locking part and a second locking part, and the plurality of locked parts include the first locking part. The sensor accommodating portion includes a first locked portion to be locked and a second locked portion to which the second locking portion is locked, and the sensor accommodating portion includes the first locked portion and the second locked portion. It may be provided between the locking portion and the locking portion.
　この構成によれば、第１係止部及び第２係止部によって、センサ収容部の両側においてケースが電池から離れないように保持することが可能となる。これにより、ケースにおいてセンサ収容部を含む部位の浮き上がりをより好適に抑制することが可能となる。 According to this configuration, the first locking portion and the second locking portion make it possible to hold the case on both sides of the sensor accommodating portion so as not to separate from the battery. This makes it possible to more appropriately suppress lifting of the portion of the case that includes the sensor accommodating portion.
　［４］上記［３］において、前記電池は、一方向に沿って並設された複数の電池セルを含み、前記センサ収容部、前記第１係止部及び前記第２係止部の三者は、前記複数の電池セルの並設方向において並んでいてもよい。 [4] In the above [3], the battery includes a plurality of battery cells arranged in parallel in one direction, and the sensor accommodating portion, the first locking portion, and the second locking portion are connected to each other. may be arranged in the direction in which the plurality of battery cells are arranged in parallel.
　この構成によれば、電池セルの並設方向におけるセンサ収容部の両側に第１係止部及び第２係止部を設けることが可能となる。その結果、第１係止部及び第２係止部によってケースの浮き上がりを好適に抑制可能となる。 According to this configuration, it is possible to provide the first locking portion and the second locking portion on both sides of the sensor accommodating portion in the direction in which the battery cells are arranged side by side. As a result, the first locking portion and the second locking portion can suitably suppress lifting of the case.
　［５］上記［４］において、前記ケースは、前記電線と共に導電路を形成するバスバを保持する複数のバスバ保持部を有し、前記複数のバスバ保持部は、前記複数の電池セルの並設方向に沿って並設され、前記センサ収容部は、前記複数のバスバ保持部のうち、隣り合う一対のバスバ保持部に跨がって設けられ、前記第１係止部及び前記第２係止部は、前記複数のバスバ保持部のうち、前記センサ収容部が跨ぐ前記一対のバスバ保持部とは異なるバスバ保持部であって、当該一対のバスバ保持部の各々の隣に位置するバスバ保持部に設けられていてもよい。 [5] In [4] above, the case has a plurality of busbar holding parts that hold busbars that form a conductive path together with the electric wires, and the plurality of busbar holding parts are arranged so that the plurality of battery cells are arranged in parallel. The sensor accommodating portions are arranged in parallel along the direction, and the sensor accommodating portions are provided astride a pair of adjacent busbar holding portions among the plurality of busbar holding portions, and the sensor accommodating portions are provided astride a pair of adjacent busbar holding portions among the plurality of busbar holding portions. The part is a busbar holding part that is different from the pair of busbar holding parts that the sensor accommodating part straddles among the plurality of busbar holding parts, and is located next to each of the pair of busbar holding parts. may be provided.
　この構成によれば、センサ収容部の両側のより近い位置に第１係止部及び第２係止部を設けることが可能となる。その結果、第１係止部及び第２係止部によってケースの浮き上がりを好適に抑制可能となる。 According to this configuration, it is possible to provide the first locking portion and the second locking portion at closer positions on both sides of the sensor housing portion. As a result, the first locking portion and the second locking portion can suitably suppress lifting of the case.
　［本開示の実施形態の詳細］
　本開示の電池配線モジュールの具体例を、以下に図面を参照しつつ説明する。各図面では、説明の便宜上、構成の一部を誇張または簡略化して示す場合がある。また、各部分の寸法比率については各図面で異なる場合がある。なお、本明細書における「対向」とは、面同士又は部材同士が互いに正面の位置にあることを指し、互いが完全に正面の位置にある場合だけでなく、互いが部分的に正面の位置にある場合を含む。また、本明細書における「対向」とは、２つの部分の間に、２つの部分とは別の部材が介在している場合と、２つの部分の間に何も介在していない場合の両方を含む。 [Details of embodiments of the present disclosure]
A specific example of the battery wiring module of the present disclosure will be described below with reference to the drawings. In each drawing, a part of the configuration may be exaggerated or simplified for convenience of explanation. Further, the dimensional ratio of each part may differ in each drawing. In this specification, "opposing" refers to surfaces or members that are in front of each other, and not only when they are completely in front of each other, but also when they are partially in front of each other. including cases where In addition, "opposed" in this specification refers to both a case where a member different from the two parts is interposed between the two parts, and a case where nothing is interposed between the two parts. including.
　図１に示すように、本実施形態の電池配線モジュール１０は、例えば、電気自動車やハイブリッド自動車等に搭載される電池１１に装着されるものである。電池１１は例えば二次電池である。電池１１は、図示しない車両の走行用モータに電力を供給する。また、電池１１は、充電状態や車両の運転状態に応じて走行用モータや発電用モータからの電力の供給を受ける。 As shown in FIG. 1, the battery wiring module 10 of this embodiment is attached to a battery 11 mounted in, for example, an electric vehicle, a hybrid vehicle, or the like. The battery 11 is, for example, a secondary battery. The battery 11 supplies power to a driving motor of a vehicle (not shown). Further, the battery 11 receives power from a travel motor or a power generation motor depending on the state of charge and the driving state of the vehicle.
　電池１１は、複数の電池セル１２を備える。電池１１は、複数の電池セル１２が一方向に複数並んで配置されることにより、例えば略直方体状をなしている。以降の説明では、電池セル１２の並ぶ方向をＸ方向、Ｘ方向に直交する方向をＹ方向として説明する。また、Ｘ方向及びＹ方向に直交するＺ方向を上下方向とし、電池１１に対して電池配線モジュール１０が装着される側を上方とする。すなわち、電池１１は、上方側の側面において、電池配線モジュール１０が装着されるモジュール装着面１３を有している。 The battery 11 includes a plurality of battery cells 12. The battery 11 has a substantially rectangular parallelepiped shape, for example, by having a plurality of battery cells 12 arranged side by side in one direction. In the following description, the direction in which the battery cells 12 are lined up will be referred to as the X direction, and the direction orthogonal to the X direction will be referred to as the Y direction. Further, the Z direction perpendicular to the X direction and the Y direction is defined as an up-down direction, and the side on which the battery wiring module 10 is attached to the battery 11 is defined as an upward direction. That is, the battery 11 has a module mounting surface 13 on the upper side surface, on which the battery wiring module 10 is mounted.
　各電池セル１２は、２つの電池端子１４を有している。２つの電池端子１４は、一方が正極側で、他方が負極側の端子である。各電池セル１２がＸ方向に並べられたとき、２つの電池端子１４は、電池セル１２の上面にＹ方向に沿って並ぶ。 Each battery cell 12 has two battery terminals 14. One of the two battery terminals 14 is a positive terminal and the other is a negative terminal. When each battery cell 12 is arranged in the X direction, the two battery terminals 14 are arranged on the upper surface of the battery cell 12 along the Y direction.
　（電池配線モジュール１０の構成）
　電池配線モジュール１０は、電池１１に電気的に接続される複数の電線２１と、各電線２１を収容するケース２２と、を備えている。また、電池配線モジュール１０は、例えば、ケース２２に支持された複数のバスバ２３を備える。各バスバ２３は、例えば、ケース２２のＹ方向の両側において、Ｘ方向に沿って複数並んで配置されている。各バスバ２３は、Ｘ方向に隣り合う電池端子１４同士を接続する。バスバ２３は、電池端子１４と例えば溶接によって接続される。各バスバ２３は、それぞれ対応する電線２１に電気的に接続されている。バスバ２３は、電線２１と共に導電路を形成する。電線２１は、例えばバスバ２３の電圧を検出するための検圧用の電線である。各電線２１は、図示しない検圧用装置に接続するためのコネクタ２４に接続されている。また、電池配線モジュール１０は、ケース２２の上方を覆うカバー２５を備える。 (Configuration of battery wiring module 10)
The battery wiring module 10 includes a plurality of electric wires 21 electrically connected to the battery 11 and a case 22 that accommodates each electric wire 21. Further, the battery wiring module 10 includes, for example, a plurality of bus bars 23 supported by a case 22. For example, a plurality of bus bars 23 are arranged in line along the X direction on both sides of the case 22 in the Y direction. Each bus bar 23 connects adjacent battery terminals 14 in the X direction. The bus bar 23 is connected to the battery terminal 14 by, for example, welding. Each bus bar 23 is electrically connected to a corresponding electric wire 21. The bus bar 23 forms a conductive path together with the electric wire 21. The electric wire 21 is a pressure-testing electric wire for detecting the voltage of the bus bar 23, for example. Each electric wire 21 is connected to a connector 24 for connecting to a pressure testing device (not shown). The battery wiring module 10 also includes a cover 25 that covers the upper side of the case 22.
　（ケース２２の構成）
　ケース２２は、合成樹脂などの絶縁体にて形成されている。ケース２２は、第１バスバ保持部２６と、第２バスバ保持部２７とを有している。第１バスバ保持部２６と第２バスバ保持部２７とは、互いに形状が異なる。第１バスバ保持部２６と第２バスバ保持部２７とは、Ｘ方向において交互に複数並んでいる。第１バスバ保持部２６と第２バスバ保持部２７とがなす列は、Ｘ方向に並ぶバスバ２３の２列にそれぞれ対応して２列設けられている。Ｘ方向に隣り合う一対の第１バスバ保持部２６と第２バスバ保持部２７とは、１つのバスバ２３を保持する。各バスバ２３は、Ｘ方向に隣り合う第１バスバ保持部２６と第２バスバ保持部２７とに跨がる態様で設けられている。 (Configuration of case 22)
The case 22 is made of an insulator such as synthetic resin. The case 22 includes a first bus bar holding section 26 and a second bus bar holding section 27 . The first bus bar holding section 26 and the second bus bar holding section 27 have different shapes from each other. A plurality of first bus bar holding parts 26 and second bus bar holding parts 27 are arranged alternately in the X direction. Two rows of first bus bar holding parts 26 and second bus bar holding parts 27 are provided, each corresponding to two rows of bus bars 23 arranged in the X direction. A pair of first bus bar holding parts 26 and second bus bar holding parts 27 adjacent to each other in the X direction hold one bus bar 23. Each bus bar 23 is provided so as to straddle a first bus bar holding section 26 and a second bus bar holding section 27 that are adjacent to each other in the X direction.
　ケース２２は、センサ収容部３０を有している。センサ収容部３０には、電池１１の温度を検出するための温度センサ６０が収容される。
　図２及び図３は、ケース２２におけるセンサ収容部３０の付近を示す図である。ケース２２は、Ｘ方向に延在する電線収容部３１を有している。電線収容部３１は、底壁３２と、Ｙ方向に対向する一対の側壁３３，３４とを有している。底壁３２の下面は、前記モジュール装着面１３にＺ方向に対向する。各側壁３３，３４は、底壁３２から上方に延びている。電線２１は、一対の側壁３３，３４のＹ方向の間に収容される。なお、一対の側壁３３，３４のうち、Ｙ方向内側に位置する側壁を側壁３３とし、Ｙ方向外側に位置する側壁を側壁３４としている。第１バスバ保持部２６及び第２バスバ保持部２７は、電線収容部３１のＹ方向外側に設けられている。なお、電線収容部３１は、開口する上方側が前記カバー２５にて覆われる。 The case 22 has a sensor housing section 30. A temperature sensor 60 for detecting the temperature of the battery 11 is housed in the sensor housing section 30 .
2 and 3 are diagrams showing the vicinity of the sensor accommodating section 30 in the case 22. The case 22 has a wire accommodating portion 31 extending in the X direction. The wire accommodating portion 31 has a bottom wall 32 and a pair of side walls 33 and 34 facing each other in the Y direction. The lower surface of the bottom wall 32 faces the module mounting surface 13 in the Z direction. Each side wall 33, 34 extends upward from the bottom wall 32. The electric wire 21 is housed between the pair of side walls 33 and 34 in the Y direction. Note that, of the pair of side walls 33 and 34, the side wall located on the inside in the Y direction is referred to as the side wall 33, and the side wall located on the outside in the Y direction is designated as the side wall 34. The first bus bar holding section 26 and the second bus bar holding section 27 are provided outside the wire accommodating section 31 in the Y direction. Note that the open upper side of the wire accommodating portion 31 is covered with the cover 25.
　センサ収容部３０は、Ｘ方向において互いに隣り合う１つの第１バスバ保持部２６と１つの第２バスバ保持部２７に跨がるように形成されている。なお、以下では、センサ収容部３０が形成された第１バスバ保持部２６及び第２バスバ保持部２７をそれぞれ第１バスバ保持部２６ａ及び第２バスバ保持部２７ａとして説明する。また、第２バスバ保持部２７ａに対してＸ方向に隣り合う第１バスバ保持部２６であって、第１バスバ保持部２６ａとは反対側に位置する第１バスバ保持部２６を、第１バスバ保持部２６ｂとする。また、第１バスバ保持部２６ａに対してＸ方向に隣り合う第２バスバ保持部２７であって、第２バスバ保持部２７ａとは反対側に位置する第２バスバ保持部２７を、第２バスバ保持部２７ｂとする。また、図３に示すように、第１バスバ保持部２６ａ，２６ｂ以外の第１バスバ保持部２６を第１バスバ保持部２６ｃとする。そして、第２バスバ保持部２７ａ，２７ｂ以外の第２バスバ保持部２７を第２バスバ保持部２７ｃとする。 The sensor accommodating portion 30 is formed so as to straddle one first bus bar holding portion 26 and one second bus bar holding portion 27 that are adjacent to each other in the X direction. In addition, below, the 1st bus-bar holding part 26 and the 2nd bus-bar holding part 27 in which the sensor accommodating part 30 was formed are each demonstrated as the 1st bus-bar holding part 26a and the 2nd bus-bar holding part 27a. Further, the first busbar holding part 26 adjacent to the second busbar holding part 27a in the X direction and located on the opposite side from the first busbar holding part 26a is connected to the first busbar holding part 26, This is referred to as a holding portion 26b. Further, the second busbar holding section 27 adjacent to the first busbar holding section 26a in the X direction and located on the opposite side of the second busbar holding section 27a is connected to the second busbar holding section 27, which is located on the opposite side of the second busbar holding section 27a. This is referred to as a holding portion 27b. Moreover, as shown in FIG. 3, the first bus bar holding parts 26 other than the first bus bar holding parts 26a and 26b are referred to as a first bus bar holding part 26c. The second bus bar holding parts 27 other than the second bus bar holding parts 27a and 27b are defined as second bus bar holding parts 27c.
　図３に示すように、第１バスバ保持部２６ｂ，２６ｃ及び第２バスバ保持部２７ｂ，２７ｃは、電線収容部３１からＹ方向の外側に延出している。第１バスバ保持部２６ａ及び第２バスバ保持部２７ａは、センサ収容部３０からＹ方向の外側に延出している。電線収容部３１の側壁３４において、第２バスバ保持部２７ｂ，２７ｃに対応する位置には、第１開口部３５が設けられている。また、電線収容部３１の側壁３４において、第２バスバ保持部２７ａに対応する位置には、第２開口部３６が設けられている。電線２１は、電線収容部３１の内部から第１開口部３５または第２開口部３６を通じてＹ方向の外側に引き出される。 As shown in FIG. 3, the first bus bar holding parts 26b, 26c and the second bus bar holding parts 27b, 27c extend outward from the wire accommodating part 31 in the Y direction. The first bus bar holding section 26a and the second bus bar holding section 27a extend outward in the Y direction from the sensor housing section 30. A first opening 35 is provided in the side wall 34 of the wire accommodating portion 31 at a position corresponding to the second bus bar holding portions 27b, 27c. Further, in the side wall 34 of the wire accommodating portion 31, a second opening portion 36 is provided at a position corresponding to the second bus bar holding portion 27a. The electric wire 21 is drawn out from the inside of the electric wire accommodating part 31 to the outside in the Y direction through the first opening 35 or the second opening 36.
　（センサ収容部３０の構成）
　図２及び図３に示すように、ケース２２は、第１バスバ保持部２６ａと第２バスバ保持部２７ａとに跨がって設けられる対向壁部３７を有している。対向壁部３７は、電線収容部３１の側壁３４のＹ方向外側に設けられている。対向壁部３７は、例えば、側壁３４に対して平行をなす。対向壁部３７は、側壁３４とＹ方向に対向している。第１バスバ保持部２６ａは、対向壁部３７からＹ方向外側に延出している。 (Configuration of sensor housing section 30)
As shown in FIGS. 2 and 3, the case 22 has an opposing wall portion 37 provided across the first bus bar holding portion 26a and the second bus bar holding portion 27a. The opposing wall portion 37 is provided on the outside of the side wall 34 of the wire accommodating portion 31 in the Y direction. The opposing wall portion 37 is, for example, parallel to the side wall 34. The opposing wall portion 37 faces the side wall 34 in the Y direction. The first bus bar holding portion 26a extends outward in the Y direction from the opposing wall portion 37.
　センサ収容部３０は、側壁３４と対向壁部３７との間に設けられている。また、センサ収容部３０は、第１バスバ保持部２６ａと電線収容部３１との間に設けられている。センサ収容部３０は、ばね支持部３８を有している。ばね支持部３８は、側壁３４と対向壁部３７とを繋ぐように形成されている。 The sensor housing section 30 is provided between the side wall 34 and the opposing wall section 37. Further, the sensor housing section 30 is provided between the first bus bar holding section 26a and the wire housing section 31. The sensor housing section 30 has a spring support section 38 . The spring support portion 38 is formed to connect the side wall 34 and the opposing wall portion 37.
　図４に示すように、センサ収容部３０には、温度センサ６０及びばね部材６１が収容されている。ばね部材６１は、温度センサ６０とばね支持部３８との間に設けられている。ばね部材６１は、温度センサ６０を下方に付勢する。温度センサ６０は、例えばサーミスタである。温度センサ６０は、温度検出面６０ａを有している。温度センサ６０は、ばね部材６１の付勢力によって、温度検出面６０ａが電池セル１２の上面１２ａに押し付けられている。また、ケース２２には、温度センサ６０を保持する保持爪３９が設けられている。図２に示すように、保持爪３９は、第２バスバ保持部２７ａの基端部に設けられている。 As shown in FIG. 4, the sensor housing section 30 houses a temperature sensor 60 and a spring member 61. Spring member 61 is provided between temperature sensor 60 and spring supporter 38 . Spring member 61 urges temperature sensor 60 downward. The temperature sensor 60 is, for example, a thermistor. The temperature sensor 60 has a temperature detection surface 60a. The temperature sensor 60 has a temperature detection surface 60a pressed against the upper surface 12a of the battery cell 12 by the urging force of the spring member 61. Further, the case 22 is provided with a holding claw 39 that holds the temperature sensor 60. As shown in FIG. 2, the holding claw 39 is provided at the base end portion of the second bus bar holding portion 27a.
　（第１係止部４１及び第２係止部５１の構成）
　図２に示すように、ケース２２は、Ｘ方向におけるセンサ収容部３０の両側に第１係止部４１と第２係止部５１とを有している。 (Configuration of the first locking part 41 and the second locking part 51)
As shown in FIG. 2, the case 22 has a first locking portion 41 and a second locking portion 51 on both sides of the sensor accommodating portion 30 in the X direction.
　第１係止部４１は、第１バスバ保持部２６ｂの基端部に設けられている。第１係止部４１は、例えば、第１延出部４２と、第２延出部４３と、爪部４４とを有している。第１延出部４２は、第１バスバ保持部２６ｂからＺ方向上方に延びている。第２延出部４３は、第１延出部４２の上端から略Ｕ字に折り返されてＺ方向下方に延びている。第１係止部４１は、第１延出部４２及び第２延出部４３にて形成される略Ｕ字形状によって、Ｘ方向に撓むことが可能に形成されている。また、ケース２２は、例えば、第１係止部４１と側壁３４とを繋ぐ連結壁４５を有している。 The first locking portion 41 is provided at the base end portion of the first bus bar holding portion 26b. The first locking portion 41 includes, for example, a first extending portion 42, a second extending portion 43, and a claw portion 44. The first extending portion 42 extends upward in the Z direction from the first bus bar holding portion 26b. The second extending portion 43 is folded back in a substantially U-shape from the upper end of the first extending portion 42 and extends downward in the Z direction. The first locking portion 41 has a substantially U-shape formed by the first extension portion 42 and the second extension portion 43, and is formed to be able to bend in the X direction. Further, the case 22 includes, for example, a connecting wall 45 that connects the first locking portion 41 and the side wall 34.
　爪部４４は、例えば第２延出部４３の下端からＸ方向に突出している。爪部４４は、電池１１に設けられた第１被係止部７１に係止される。第１被係止部７１は、電池１１から上方に延出する電池１１の一部位である。例えば、爪部４４は、第１被係止部７１に設けられた係止孔７２に挿入される。そして、爪部４４は、係止孔７２に対してＺ方向上方に引っ掛かるようになっている。これにより、第１係止部４１は、ケース２２がＺ方向において電池１１から離れないように保持する。 The claw portion 44 protrudes from the lower end of the second extension portion 43 in the X direction, for example. The claw portion 44 is locked to a first locked portion 71 provided on the battery 11 . The first locked portion 71 is a portion of the battery 11 that extends upward from the battery 11 . For example, the claw portion 44 is inserted into a locking hole 72 provided in the first locked portion 71 . The claw portion 44 is adapted to engage with the locking hole 72 upward in the Z direction. Thereby, the first locking portion 41 holds the case 22 so that it does not separate from the battery 11 in the Z direction.
　第２係止部５１は、第２バスバ保持部２７ｂの基端部に設けられている。第２係止部５１は、例えば、第１延出部５２と、第２延出部５３と、爪部５４とを有している。第１延出部５２は、第２バスバ保持部２７ｂからＺ方向上方に延びている。第２延出部５３は、第１延出部５２の上端から略Ｕ字に折り返されてＺ方向下方に延びている。第２係止部５１は、第１延出部５２及び第２延出部５３にて形成される略Ｕ字形状によって、Ｘ方向に撓むことが可能に形成されている。また、ケース２２は、例えば、第２係止部５１と側壁３４とを繋ぐ連結壁５５を有している。 The second locking portion 51 is provided at the base end of the second bus bar holding portion 27b. The second locking portion 51 includes, for example, a first extending portion 52, a second extending portion 53, and a claw portion 54. The first extending portion 52 extends upward in the Z direction from the second bus bar holding portion 27b. The second extending portion 53 is folded back in a substantially U-shape from the upper end of the first extending portion 52 and extends downward in the Z direction. The second locking portion 51 has a substantially U-shape formed by the first extension portion 52 and the second extension portion 53, and is formed to be able to bend in the X direction. Further, the case 22 includes, for example, a connecting wall 55 that connects the second locking portion 51 and the side wall 34.
　爪部５４は、例えば第２延出部５３の下端からＸ方向に突出している。爪部５４は、電池１１に設けられた第２被係止部８１に係止される。第２被係止部８１は、電池１１から上方に延出する電池１１の一部位である。例えば、爪部５４は、第２被係止部８１に設けられた係止孔８２に挿入される。そして、爪部５４は、係止孔８２に対してＺ方向上方に引っ掛かるようになっている。これにより、第２係止部５１は、ケース２２がＺ方向において電池１１から離れないように保持する。 The claw portion 54 protrudes from the lower end of the second extension portion 53 in the X direction, for example. The claw portion 54 is locked to a second locked portion 81 provided on the battery 11 . The second locked portion 81 is a portion of the battery 11 that extends upward from the battery 11 . For example, the claw portion 54 is inserted into a locking hole 82 provided in the second locked portion 81 . The claw portion 54 is adapted to engage with the locking hole 82 upward in the Z direction. Thereby, the second locking portion 51 holds the case 22 so that it does not separate from the battery 11 in the Z direction.
　本実施形態の作用について説明する。
　ケース２２が電池１１に組み付けられた状態では、センサ収容部３０のばね支持部３８には、温度センサ６０に付勢力を与えるばね部材６１から、ばね支持部３８を押し上げる方向への力が与えられる。ここで、センサ収容部３０のＸ方向の両側に位置する第１係止部４１及び第２係止部５１は、第１被係止部７１及び第２被係止部８１にそれぞれ係止されている。すなわち、ばね支持部３８を押し上げるばね部材６１の力を、第１係止部４１及び第２係止部５１にて受けることができる。このため、ばね部材６１の力によってセンサ収容部３０が電池１１から浮き上がることを抑制することが可能となっている。 The operation of this embodiment will be explained.
When the case 22 is assembled to the battery 11, a force is applied to the spring support part 38 of the sensor accommodating part 30 from the spring member 61 that applies a biasing force to the temperature sensor 60 in the direction of pushing up the spring support part 38. . Here, the first locking portion 41 and the second locking portion 51 located on both sides of the sensor housing portion 30 in the X direction are locked to the first locked portion 71 and the second locked portion 81, respectively. ing. That is, the force of the spring member 61 that pushes up the spring support part 38 can be received by the first locking part 41 and the second locking part 51. Therefore, it is possible to suppress the sensor accommodating portion 30 from lifting off from the battery 11 due to the force of the spring member 61.
　本実施形態の効果について説明する。
　（１）ケース２２は、電池１１に設けられた第１被係止部７１及び第２被係止部８１にそれぞれ係止される第１係止部４１及び第２係止部５１を有している。この構成によれば、第１係止部４１及び第２係止部５１によって、ケース２２が電池１１から離れないように保持することが可能となる。これにより、ケース２２の浮き上がりを抑制することが可能となる。 The effects of this embodiment will be explained.
(1) The case 22 has a first locking portion 41 and a second locking portion 51 that are respectively locked to a first locking portion 71 and a second locking portion 81 provided on the battery 11. ing. According to this configuration, the first locking part 41 and the second locking part 51 can hold the case 22 so that it does not separate from the battery 11. This makes it possible to suppress the case 22 from lifting up.
　（２）ケース２２は、複数の係止部、すなわち第１係止部４１及び第２係止部５１を有している。この構成によれば、第１係止部４１及び第２係止部５１によって、ケース２２が電池１１から離れないように強固に保持することが可能となる。 (2) The case 22 has a plurality of locking parts, that is, a first locking part 41 and a second locking part 51. According to this configuration, the first locking portion 41 and the second locking portion 51 can firmly hold the case 22 so that it does not separate from the battery 11.
　（３）センサ収容部３０は、Ｘ方向において、第１係止部４１と第２係止部５１との間に設けられている。この構成によれば、第１係止部４１及び第２係止部５１によって、センサ収容部３０の両側においてケース２２が電池１１から離れないように保持することが可能となる。これにより、温度センサ６０を電池１１に押し付ける力の反力を第１係止部４１及び第２係止部５１で好適に受けることが可能となる。その結果、ケース２２のセンサ収容部３０を含む部位の浮き上がりをより好適に抑制することが可能となる。 (3) The sensor housing portion 30 is provided between the first locking portion 41 and the second locking portion 51 in the X direction. According to this configuration, the first locking portion 41 and the second locking portion 51 can hold the case 22 on both sides of the sensor housing portion 30 so as not to separate from the battery 11. This allows the first locking portion 41 and the second locking portion 51 to suitably receive the reaction force of the force that presses the temperature sensor 60 against the battery 11 . As a result, it becomes possible to more appropriately suppress lifting of the portion of the case 22 that includes the sensor housing portion 30.
　（４）電池１１は、Ｘ方向に沿って並設された複数の電池セル１２を含む。そして、センサ収容部３０、第１係止部４１及び第２係止部５１の三者は、複数の電池セル１２の並設方向において並んでいる。この構成によれば、電池セル１２の並設方向におけるセンサ収容部３０の両側に第１係止部４１及び第２係止部５１を設けることが可能となる。その結果、第１係止部４１及び第２係止部５１によってケース２２の浮き上がりを好適に抑制可能となる。 (4) The battery 11 includes a plurality of battery cells 12 arranged in parallel along the X direction. The sensor accommodating portion 30, the first locking portion 41, and the second locking portion 51 are lined up in the direction in which the plurality of battery cells 12 are arranged side by side. According to this configuration, it is possible to provide the first locking portion 41 and the second locking portion 51 on both sides of the sensor accommodating portion 30 in the direction in which the battery cells 12 are arranged side by side. As a result, the first locking portion 41 and the second locking portion 51 can suitably suppress lifting of the case 22.
　（５）ケース２２は、電線２１と共に導電路を形成するバスバ２３を保持する複数の第１バスバ保持部２６及び第２バスバ保持部２７を有する。複数の第１バスバ保持部２６及び第２バスバ保持部２７は、複数の電池セル１２の並設方向、すなわちＸ方向に沿って並設されている。センサ収容部３０は、Ｘ方向に隣り合う第１バスバ保持部２６ａ及び第２バスバ保持部２７ａに跨がって設けられている。そして、第１係止部４１及び第２係止部５１は、センサ収容部３０が跨ぐ一対の第１バスバ保持部２６ａ及び第２バスバ保持部２７ａの両隣の第１バスバ保持部２６ｂ及び第２バスバ保持部２７ｂに設けられている。この構成によれば、センサ収容部３０の両側のより近い位置に第１係止部４１及び第２係止部５１を設けることが可能となる。その結果、第１係止部４１及び第２係止部５１によってケース２２の浮き上がりを好適に抑制可能となる。 (5) The case 22 includes a plurality of first busbar holding parts 26 and second busbar holding parts 27 that hold the busbars 23 that form a conductive path together with the electric wires 21. The plurality of first bus bar holding parts 26 and the second bus bar holding parts 27 are arranged in parallel along the direction in which the plurality of battery cells 12 are arranged in parallel, that is, along the X direction. The sensor accommodating part 30 is provided astride the first bus bar holding part 26a and the second bus bar holding part 27a which are adjacent to each other in the X direction. The first locking part 41 and the second locking part 51 are connected to a first busbar holding part 26b and a second busbar holding part 26b and a second busbar holding part 26a and a second busbar holding part 27a on both sides of the pair of first busbar holding parts 26a and second busbar holding parts 27a that the sensor housing part 30 straddles. It is provided in the bus bar holding portion 27b. According to this configuration, the first locking portion 41 and the second locking portion 51 can be provided closer to each other on both sides of the sensor housing portion 30. As a result, the first locking portion 41 and the second locking portion 51 can suitably suppress lifting of the case 22.
　（変更例）
　本実施形態は、以下のように変更して実施することができる。本実施形態及び以下の変更例は、技術的に矛盾しない範囲で互いに組み合わせて実施することができる。 (Example of change)
This embodiment can be modified and implemented as follows. This embodiment and the following modified examples can be implemented in combination with each other within a technically consistent range.
　・第１係止部４１と第１被係止部７１との係止構造における凹凸関係を、上記実施形態とは反対にしてもよい。すなわち、第１被係止部７１に凸部を設け、その凸部が入り込んで係止する凹部を第１係止部４１に設けてもよい。同様に、第２被係止部８１に凸部を設け、その凸部が入り込んで係止する凹部を第２係止部５１に設けてもよい。 - The uneven relationship in the locking structure between the first locking portion 41 and the first locked portion 71 may be reversed from that in the above embodiment. That is, the first locked portion 71 may be provided with a convex portion, and the first locking portion 41 may be provided with a concave portion into which the convex portion is inserted and locked. Similarly, the second locked portion 81 may be provided with a convex portion, and the second locking portion 51 may be provided with a concave portion into which the convex portion is inserted and locked.
　・上記実施形態では、第１係止部４１及び第２係止部５１がセンサ収容部３０のＸ方向の両側に設けられたが、これ以外に例えば、センサ収容部３０のＹ方向両側に第１係止部４１及び第２係止部５１を設けてもよい。 - In the above embodiment, the first locking part 41 and the second locking part 51 are provided on both sides of the sensor housing part 30 in the X direction, but in addition to this, for example, second locking parts are provided on both sides of the sensor housing part 30 in the Y direction. A first locking portion 41 and a second locking portion 51 may be provided.
　・上記実施形態において、第１係止部４１及び第２係止部５１の一方を省略してもよい。すなわち、電池１１の被係止部に係止されるケース２２の係止部の個数は１つであってもよい。 - In the above embodiment, one of the first locking part 41 and the second locking part 51 may be omitted. That is, the number of locking portions of the case 22 that are locked to the locked portion of the battery 11 may be one.
　・上記実施形態のセンサ収容部３０は、第１バスバ保持部２６ａ及び第２バスバ保持部２７ａに跨がって設けられたが、ケース２２におけるセンサ収容部３０の配置位置は、上記実施形態に特に限定されるものではない。 - Although the sensor accommodating part 30 of the above embodiment was provided astride the first bus bar holding part 26a and the second bus bar holding part 27a, the arrangement position of the sensor accommodating part 30 in the case 22 is different from that of the above embodiment. It is not particularly limited.
　・今回開示された実施形態及び変更例はすべての点で例示であって、本発明はこれらの例示に限定されるものではない。すなわち、本発明の範囲は、特許請求の範囲によって示され、特許請求の範囲と均等の意味及び範囲内でのすべての変更が含まれることが意図される。 -The embodiments and modified examples disclosed this time are illustrative in all respects, and the present invention is not limited to these exemplifications. That is, the scope of the present invention is indicated by the claims, and it is intended that all changes within the meaning and range equivalent to the claims are included.
　１０　電池配線モジュール
　１１　電池
　１２　電池セル
　１２ａ　上面
　１３　モジュール装着面
　１４　電池端子
　２１　電線
　２２　ケース
　２３　バスバ
　２４　コネクタ
　２５　カバー
　２６（２６ａ，２６ｂ，２６ｃ）　第１バスバ保持部（バスバ保持部）
　２７（２７ａ，２７ｂ，２７ｃ）　第２バスバ保持部（バスバ保持部）
　３０　センサ収容部
　３１　電線収容部
　３２　底壁
　３３，３４　側壁
　３５　第１開口部
　３６　第２開口部
　３７　対向壁部
　３８　ばね支持部
　３９　保持爪
　４１　第１係止部（係止部）
　４２　第１延出部
　４３　第２延出部
　４４　爪部
　４５　連結壁
　５１　第２係止部（係止部）
　５２　第１延出部
　５３　第２延出部
　５４　爪部
　５５　連結壁
　６０　温度センサ
　６０ａ　温度検出面
　６１　ばね部材
　７１　第１被係止部（被係止部）
　７２　係止孔
　８１　第２被係止部（被係止部）
　８２　係止孔 10 battery wiring module 11 battery 12 battery cell 12a top surface 13 module mounting surface 14 battery terminal 21 electric wire 22 case 23 bus bar 24 connector 25 cover 26 (26a, 26b, 26c) first bus bar holding part (bus bar holding part)
27 (27a, 27b, 27c) Second busbar holding section (busbar holding section)
30 Sensor housing part 31 Wire housing part 32 Bottom wall 33, 34 Side wall 35 First opening part 36 Second opening part 37 Opposing wall part 38 Spring support part 39 Holding claw 41 First locking part (locking part)
42 First extension part 43 Second extension part 44 Claw part 45 Connection wall 51 Second locking part (locking part)
52 First extension part 53 Second extension part 54 Claw part 55 Connection wall 60 Temperature sensor 60a Temperature detection surface 61 Spring member 71 First locked part (locked part)
72 Locking hole 81 Second locked part (locked part)
82 Locking hole

Claims (5)

  1. 　電池に装着可能な電池配線モジュールであって、
    　前記電池に電気的に接続される電線と、
    　前記電線を収容するケースと、を備え、
    　前記ケースは、前記電池の温度を検出するための温度センサを収容するセンサ収容部と、前記電池に設けられた被係止部に係止される係止部と、を有している、
    　電池配線モジュール。     A battery wiring module that can be attached to a battery,
    an electric wire electrically connected to the battery;
    A case for accommodating the electric wire,
    The case includes a sensor accommodating portion that accommodates a temperature sensor for detecting the temperature of the battery, and a locking portion that is locked to a locked portion provided on the battery.
    Battery wiring module.
  2. 　前記係止部は、複数設けられ、
    　前記被係止部は、前記複数の係止部にそれぞれ対応して複数設けられている、
    　請求項１に記載の電池配線モジュール。     The locking portion is provided in plurality,
    A plurality of the locked portions are provided corresponding to the plurality of locking portions, respectively.
    The battery wiring module according to claim 1.
  3. 　前記複数の係止部は、第１係止部と、第２係止部と、を含み、
    　前記複数の被係止部は、前記第１係止部が係止される第１被係止部と、前記第２係止部が係止される第２被係止部と、を含み、
    　前記センサ収容部は、前記第１係止部と前記第２係止部との間に設けられている、
    　請求項２に記載の電池配線モジュール。     The plurality of locking parts include a first locking part and a second locking part,
    The plurality of locked parts include a first locked part to which the first locked part is locked, and a second locked part to which the second locked part is locked,
    The sensor accommodating part is provided between the first locking part and the second locking part,
    The battery wiring module according to claim 2.
  4. 　前記電池は、一方向に沿って並設された複数の電池セルを含み、
    　前記センサ収容部、前記第１係止部及び前記第２係止部の三者は、前記複数の電池セルの並設方向において並んでいる、
    　請求項３に記載の電池配線モジュール。     The battery includes a plurality of battery cells arranged in parallel in one direction,
    The sensor accommodating portion, the first locking portion, and the second locking portion are lined up in a direction in which the plurality of battery cells are arranged side by side.
    The battery wiring module according to claim 3.
  5. 　前記ケースは、前記電線と共に導電路を形成するバスバを保持する複数のバスバ保持部を有し、
    　前記複数のバスバ保持部は、前記複数の電池セルの並設方向に沿って並設され、
    　前記センサ収容部は、前記複数のバスバ保持部のうち、隣り合う一対のバスバ保持部に跨がって設けられ、
    　前記第１係止部及び前記第２係止部は、前記複数のバスバ保持部のうち、前記センサ収容部が跨ぐ前記一対のバスバ保持部とは異なるバスバ保持部であって、当該一対のバスバ保持部の各々の隣に位置するバスバ保持部に設けられている、
    　請求項４に記載の電池配線モジュール。     The case has a plurality of bus bar holding parts that hold bus bars that form a conductive path together with the electric wires,
    The plurality of bus bar holding parts are arranged in parallel along the direction in which the plurality of battery cells are arranged in parallel,
    The sensor accommodating portion is provided across a pair of adjacent bus bar holding portions among the plurality of bus bar holding portions,
    The first locking part and the second locking part are different busbar holding parts from the pair of busbar holding parts that the sensor accommodating part straddles among the plurality of busbar holding parts, and are different from the pair of busbar holding parts that the sensor accommodating part straddles. provided in the bus bar holding part located next to each of the holding parts,
    The battery wiring module according to claim 4.
PCT/JP2023/025870 2022-08-01 2023-07-13 Battery wiring module WO2024029303A1 (en)

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JP2014191953A (en) * 2013-03-27 2014-10-06 Auto Network Gijutsu Kenkyusho:Kk Wiring module

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Publication number Priority date Publication date Assignee Title
JP2012248512A (en) * 2011-05-31 2012-12-13 Auto Network Gijutsu Kenkyusho:Kk Battery wiring module and battery module
JP2013080693A (en) * 2011-09-20 2013-05-02 Auto Network Gijutsu Kenkyusho:Kk Wiring module for battery
JP2014191953A (en) * 2013-03-27 2014-10-06 Auto Network Gijutsu Kenkyusho:Kk Wiring module

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