WO2013069756A1 - Wiring module - Google Patents

Wiring module Download PDF

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Publication number
WO2013069756A1
WO2013069756A1 PCT/JP2012/079080 JP2012079080W WO2013069756A1 WO 2013069756 A1 WO2013069756 A1 WO 2013069756A1 JP 2012079080 W JP2012079080 W JP 2012079080W WO 2013069756 A1 WO2013069756 A1 WO 2013069756A1
Authority
WO
WIPO (PCT)
Prior art keywords
fuse
detection
fuse block
wiring module
terminal
Prior art date
Application number
PCT/JP2012/079080
Other languages
French (fr)
Japanese (ja)
Inventor
怜也 岡本
平光　宏臣
平井　宏樹
Original Assignee
株式会社オートネットワーク技術研究所
住友電装株式会社
住友電気工業株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 株式会社オートネットワーク技術研究所, 住友電装株式会社, 住友電気工業株式会社 filed Critical 株式会社オートネットワーク技術研究所
Publication of WO2013069756A1 publication Critical patent/WO2013069756A1/en

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Classifications

    • 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
    • H01M50/207—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape
    • H01M50/209—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape adapted for prismatic or rectangular 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
    • H01M50/503—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing characterised by the shape of the interconnectors
    • 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
    • H01M50/505—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing comprising a single busbar
    • 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
    • H01M50/521—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing characterised by the material
    • H01M50/522—Inorganic material
    • 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
    • H01M50/572—Means for preventing undesired use or discharge
    • H01M50/574—Devices or arrangements for the interruption of current
    • H01M50/583—Devices or arrangements for the interruption of current in response to current, e.g. fuses
    • 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
    • H01M50/572—Means for preventing undesired use or discharge
    • H01M50/584—Means for preventing undesired use or discharge for preventing incorrect connections inside or outside the batteries
    • H01M50/59—Means for preventing undesired use or discharge for preventing incorrect connections inside or outside the batteries characterised by the protection means
    • H01M50/597—Protection against reversal of polarity
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries

Definitions

  • the present invention relates to a wiring module.
  • Patent Document 1 As a battery module for an electric vehicle or a hybrid vehicle, the one described in Patent Document 1 is known.
  • a plurality of unit cells having positive and negative electrode terminals are arranged side by side, and a plurality of unit cells are connected in series or in parallel by connecting the electrode terminals of adjacent unit cells with a connecting member. Connected to.
  • a wiring module is attached to multiple cells.
  • This wiring module is provided with a detection terminal for detecting the state of the unit cell.
  • the detection terminal which concerns on patent document 1 is connected to the electrode terminal of a cell, and detects the voltage of a cell.
  • An electric wire is connected to the detection terminal. This electric wire is routed in a groove formed in the battery module, and is connected to a battery ECU disposed outside the battery module. The battery ECU detects the voltage of the single cell.
  • the above electric wire is for detecting the voltage of the unit cell, so that a relatively small current flows.
  • the electric wires are connected to the electrode terminals of the single cells, when the plural electric wires are short-circuited, the single cells are short-circuited.
  • the present invention has been completed based on the above circumstances, and an object thereof is to provide a wiring module capable of easily performing fuse replacement.
  • the present invention is a wiring module attached to a unit cell group in which a plurality of unit cells having positive and negative electrode terminals are arranged, and is electrically connected to the electrode terminals to detect the voltage of the unit cell.
  • a detection terminal a synthetic resin resin protector for holding the detection terminal, a detection electric wire connected to the detection terminal, a fuse provided in the resin protector and electrically connected to the detection electric wire.
  • a fuse block that is detachably mounted.
  • the blown fuse when the detection wires are short-circuited and the fuse is blown, the blown fuse may be removed from the fuse block and replaced with a normal fuse.
  • the fuse can be easily replaced.
  • the resin protector is formed with a fuse block mounting portion to which the fuse block formed separately from the resin protector is mounted.
  • the fuse block and the resin protector may be formed separately, and the fuse block may be attached to the fuse block attachment portion.
  • the freedom degree of design increases about the shape of a fuse block and a resin protector compared with the case where a fuse block and a resin protector are formed integrally.
  • an input connector is connected to the end of the detection wire, and an input connector fitting portion into which the input connector is fitted is formed in the fuse block.
  • connection between the detection electric wire and the fuse block can be realized by the connector connection between the input connector and the input connector fitting portion, it is particularly effective when connecting a plurality of detection electric wires to the fuse block. is there.
  • an output connector fitting portion into which an output connector is fitted is formed in the fuse block, and an electric wire electrically connected to the fuse is led out from the output connector.
  • connection between the detection electric wire and the fuse block can be realized by the connector connection between the output connector and the output connector fitting portion, it is particularly effective when connecting a plurality of electric wires to the fuse block. .
  • FIG. 1 is a perspective view showing a battery module to which a wiring module according to an embodiment of the present invention is attached.
  • FIG. 2 is a plan view showing the battery module.
  • FIG. 3 is a plan view showing the connection member.
  • FIG. 4 is a plan view showing the detection terminal.
  • FIG. 5 is a plan view showing the wiring module.
  • FIG. 6 is a plan view showing the resin protector.
  • FIG. 7 is a perspective view showing the wiring module.
  • FIG. 8 is a perspective view showing the fuse block.
  • FIG. 9 is a side view showing the wiring module.
  • FIG. 10 is a front view showing the wiring module.
  • FIGS. 1 An embodiment in which a wiring module 20 according to the present invention is applied to a battery module 10 will be described with reference to FIGS.
  • the battery module 10 is configured by attaching a wiring module 20 to a unit cell group 13 configured by arranging a plurality of unit cells 11.
  • the battery module 10 is used as a drive source for an electric vehicle or a hybrid vehicle, for example.
  • the vertical direction will be described with reference to FIG. 1, and the vertical direction will be described with the lower side of FIG. Further, the right side in FIG. 2 is the right side, and the left side is the left side.
  • the battery module 10 includes a unit cell group 13 composed of a plurality of unit cells 11 arranged side by side, a connection member 15 that connects between adjacent electrode terminals 12A and 12B, and a unit cell group. 13 and a wiring module 20 assembled on the upper surface of 13.
  • a power generation element (not shown) is accommodated in each cell 11.
  • a pair of electrode terminals 12 ⁇ / b> A and 12 ⁇ / b> B projecting vertically are provided on the upper surface of the unit cell 11.
  • the electrode terminals 12A and 12B (illustrated as a positive electrode 12A and a negative electrode 12B) are bolts, which are provided at the front and rear of the unit cell 11, and have screw grooves on the outer periphery.
  • each unit cell 11 The direction of the polarity (positive / negative) of each unit cell 11 is arranged so that the unit cells 11 adjacent to each other are opposite to each other, so that the electrode terminals 12A and 12B having different polarities are adjacent to each other. ing.
  • the plurality of unit cells 11 are fixed by a holding plate (not shown).
  • the electrode terminals 12A and 12B are arranged in two rows in the front and rear, and the plurality of unit cells 11 are connected in series by assembling the connection member 15.
  • connection member 15 is made of a metal plate material such as copper, copper alloy, or aluminum, and as shown in FIG. 3, is a T-shaped body portion that extends in the left-right direction and connects the adjacent electrode terminals 12A and 12B. 16 and an extending portion 18 that extends in the front-rear direction and is connected to the detection terminal 21.
  • a pair of left and right insertion holes 17, 17 are formed through the body portion 16.
  • the insertion holes 17 and 17 have a circular shape.
  • the extending portion 18 extends in the front-rear direction (a direction perpendicular to the extending direction) from an intermediate portion in the left-right direction (the extending direction of the main body portion 16), and its width dimension is narrower than the width dimension of the main body portion 16. Is formed.
  • a circular fixing hole 19 is formed at the distal end of the extending portion 18. The fixing hole 19 is for fixing between the connection member 15 and the detection terminal 21 with a fixing member (not shown).
  • the fixing member 19 may be fixed by, for example, subjecting the fixing hole 19 to burring to form a screw groove on the inner surface, or extending the nut 18 so that the screw hole of the nut is connected to the fixing hole 19.
  • a screw groove connected to the inner surface of the fixing hole 19 may be formed on the back surface of the steel plate by welding or the like and fastened with a fixing member such as a bolt.
  • the wiring module 20 is made of a synthetic resin in which a plurality of detection terminals 21 connected to the terminal portion of the detection electric wire W and detecting the voltage of the unit cell 11 and the plurality of detection terminals 21 are accommodated. And a resin protector 28.
  • the detection terminal 21 is provided for detecting the voltage of the unit cell 11, and includes a plate-like portion 22 and a wire connection portion 25 connected to the terminal of the detection wire W.
  • the plate-like portion 22 has a rectangular shape, and a circular fixing hole 23 is formed at the center.
  • the fixing hole 23 is connected to a fixing hole 19 provided in the extending portion 18 of the connection member 15, and the detection terminal 21 and the connection member are passed through the fixing hole 23 and the fixing hole 19 through a fixing member (not shown).
  • the electrical connection with 15 and the relative position are fixed.
  • a rectangular locking piece 24 is provided at one corner on the distal end side of the plate-like portion 22 so as to protrude forward.
  • the electric wire connecting portion 25 includes a wire barrel portion 26 to which the conductor portion of the detection electric wire W is connected, and an insulation barrel portion 27 that is held from above the insulating coating (insulating layer).
  • the detection electric wire W is a covered electric wire, and a conductor from which an insulating coating (insulating layer) is stripped and exposed at the terminal portion is connected to the detection terminal 21.
  • the detection wires W are collected in a wire housing groove 43 described later and guided to a battery ECU (not shown).
  • the battery ECU is equipped with a microcomputer, an element, and the like, and has a function for detecting voltage, current, temperature, etc. of the unit cells 11 and controlling charge / discharge of each unit cell 11. Of the configuration.
  • the resin protector 28 is made of synthetic resin and has a plurality of holding portions 29 for holding the detection terminals 21, a groove portion 34 through which the detection electric wires W connected to the detection terminals 21 are passed, and a holding portion adjacent to the left and right. And an interval adjusting means 40 that connects the portions 29 and adjusts the interval between the adjacent holding portions 29.
  • the plurality of holding portions 29 are arranged in the left-right direction in FIG. 5 and arranged in two rows in the front-rear direction. In FIG. 5, the detection electric wire W is omitted for description.
  • the holding portion 29 has a box shape that opens upward, and includes a rectangular bottom wall and a side wall that rises from the peripheral edge of the bottom wall.
  • the holding portion 29 is provided with a rectangular opening 31 that passes through the bottom wall, and a fixing member that connects the detection terminal 21 and the connecting member 15 passes through the opening 31. (See FIG. 6).
  • the side wall of the holding portion 29 is provided at a height that prevents contact of the tool or the like so as to prevent the tool or the like from coming into contact with the detection terminal 21 and short-circuiting, so as to surround the detection terminal 21. Is erected.
  • the side wall of the holding part 29 holds the plate-like part 22 in the holding part 29 by being sandwiched from the front and back of the plate-like part 22. Between the plate-like portion 22 and the left and right side walls, a portion where the plate-like portion 22 is not disposed on the bottom wall is formed.
  • the inner surface of the side wall of the holding portion 29 is provided with a bending piece that cuts out the side wall and protrudes in a claw-like shape on the inner side, and the peripheral portion of the plate-like portion 22 is arranged under the claw of the bending piece.
  • the separation of the detection terminal 21 from the holding portion 29 may be restricted.
  • a locking piece insertion hole (not shown) through which the locking piece 24 of the detection terminal 21 is inserted is provided on the opposite side of the side wall of the holding portion 29 from the groove portion 34.
  • the locking piece insertion hole has a slit shape extending in the left-right direction, and the tip of the locking piece 24 slightly protrudes from the locking piece insertion hole.
  • an auxiliary wall 33 that covers the locking piece insertion hole is provided on the outer surface of the locking piece insertion hole in the side wall of the holding portion 29.
  • the groove portion 34 is connected to an end portion of the holding portion 29 opposite to the connection member 15 via a through groove 35.
  • the through groove 35 is formed in the groove so that the electric wire connecting portion 25 of the detection terminal 21 can be accommodated therein.
  • the groove portion 34 has a groove bottom that is continuous with the groove bottom of the through groove 35 and a groove wall that rises from the front and rear edges of the groove bottom. A portion of the groove wall that is continuous with the through groove 35 is divided by the groove wall.
  • the detection electric wire W connected to the terminal of the detection terminal 21 can be led from the groove 35 into the groove portion 34.
  • the groove part 34 formed in the holding part 29 arranged on the rear side and the groove part 34 formed in the holding part 29 arranged on the front side are alternately arranged in the left-right direction of FIG. It is arranged.
  • the groove part 34 formed in the holding part 29 arranged on the rear side and the groove part 34 formed on the holding part 29 arranged on the front side are connected in a line in the left-right direction to form the wire receiving groove 43. It is composed.
  • the distance adjusting means 40 connects the adjacent holding parts 29 and adjusts the distance between the adjacent holding parts 29 with respect to the dimensional tolerance when assembling to the cell group 13.
  • a tolerance is absorbed, and a pair of flexures 41 extending in a direction inclined with respect to the left-right direction (alignment direction of the holding portions 29) from the corner of the side wall of the holding portion 29, and extending in the left-right direction and adjacent to the left and right.
  • the pair of flexures 41 are inclined at a predetermined angle (in the present embodiment, an angle of approximately 55 degrees with respect to the left-right direction) in a direction approaching each other (a direction in which the interval between the flexures is narrowed).
  • the pair of flexures 41 has a thick dimension in which the dimension in the vertical direction (the direction in which the wiring module is assembled to the unit cell group) is substantially equal to the height of the side wall of the holding part 29. Further, the thickness dimension (thickness of the bent portion shown in FIG. 6) is a thin dimension substantially equal to the thickness dimension of the side wall of the holding portion 29.
  • the inclination angle with respect to the left-right direction of the bending part 41, the dimension of an up-down direction, and the thickness dimension are not limited to the above-described values, but are appropriately set to values that can absorb a dimensional tolerance when assembled to the unit cell group 13. Can be set.
  • the connecting portion 42 is formed to be continuous with the bending portion 41 with the same height and thickness dimension as the bending portion 41.
  • the resin protector 28 is formed with a fuse block mounting portion 51 at the left end in FIG. 5, and a synthetic resin fuse block 50 is mounted on the fuse block mounting portion 51.
  • the fuse block 50 has a generally block shape.
  • a fuse mounting portion 53 to which a plurality of fuses 52 can be attached and detached is formed on the upper surface of the fuse block 50 so as to open upward.
  • the fuse mounting portion 53 is formed in a shallow dish shape that opens upward, and the fuse block 50 can be assembled from above.
  • the fuse block 50 is attached to the fuse block attaching portion 51 by a known method such as screwing or locking with a lock claw.
  • an input connector fitting portion 55 that can be fitted to the input connector 54 attached to the end of the detection wire W is formed on the right side surface of the fuse block 50.
  • the input connector 54 faces the electric wire accommodation groove 43.
  • an input connector terminal 56 is disposed inside the input connector fitting portion 55, and this input connector terminal 56 is electrically connected to a fuse terminal (not shown) connected to the fuse 52. Connected. As a result, the input connector 54 is fitted into the input connector fitting portion 55 so that the fuse 52 attached to the fuse attachment portion 53 and the detection electric wire W are electrically connected. Yes.
  • an output connector fitting portion 58 into which the output connector 57 can be fitted is formed on the front side surface of the fuse block 50.
  • a plurality of electric wires 59 are led out from the output connector 57.
  • an output connector terminal 60 is disposed inside the output connector fitting portion 58, and this output connector terminal 60 is electrically connected to a fuse terminal (not shown) connected to the fuse 52. It is connected to the.
  • the output connector 57 is fitted into the output connector fitting portion 58, so that the fuse 52 attached to the fuse attachment portion 53 and the electric wire 59 are electrically connected.
  • the fuse block 50 is attached to the resin protector 28 of the wiring module 20.
  • a fuse 52 is detachably mounted on the fuse mounting portion 53 of the fuse block 50.
  • the fuse 52 is electrically connected to the detection electric wire W connected to the detection terminal 21. Thereby, when the detection electric wires W are short-circuited, it is possible to suppress a relatively large current from flowing due to a short circuit between the single cells 11 by melting the fuse 52.
  • the fuse 52 when the fuse 52 is blown, only the blown fuse 52 may be removed from the fuse block 50 and replaced with a normal fuse 52.
  • the blown fuse 52 can be easily replaced as compared with the case where the fuse 52 is directly connected to the detection terminal 21, for example.
  • the wiring module 20 is formed with the fuse block attachment portion 51 to which the fuse block 50 formed separately from the resin protector 28 is attached.
  • the fuse block 50 and the resin protector 28 are formed separately, and the fuse block 50 may be attached to the fuse block attachment portion 51.
  • the design freedom of the shapes of the fuse block 50 and the resin protector 28 is increased.
  • the input connector 54 is connected to the end of the detection electric wire W, and the input connector fitting portion 55 into which the input connector 54 is fitted is formed in the fuse block 50.
  • the fuse block 50 is formed with the output connector fitting portion 58 into which the output connector 57 is fitted, and the electric wire 59 electrically connected to the fuse 52 from the output connector 57.
  • the connection between the electric wire 59 led out from the fuse 52 and the fuse block 50 can be realized by the connector connection between the output connector 57 and the output connector fitting portion 58, a plurality of electric wires 59 are connected to the fuse block 50. This is particularly effective when connecting.
  • the present invention is not limited to the embodiments described with reference to the above description and drawings.
  • the following embodiments are also included in the technical scope of the present invention.
  • the fuse block 50 and the resin protector are formed separately.
  • the present invention is not limited to this, and the fuse block 50 may be formed integrally with the resin protector.
  • the input connector 54 connected to the detection electric wire W is fitted in the input connector fitting portion 55 formed in the fuse block 50.
  • the electric wire W may be directly introduced into the fuse block 50 without being connected to the input connector 54 and electrically connected to a fuse terminal connected to the fuse 52.
  • the output connector 57 may be omitted, and the electric wire 59 may be introduced into the fuse block 50 and electrically connected to a fuse terminal connected to the fuse 52.
  • the resin protector 28 has a plate shape.
  • the resin protector 28 is not limited to this, and the resin protector 28 is configured by connecting a plurality of separate (same shape) connection units to the left and right.
  • the configuration of the present invention may be applied.
  • an engagement portion and an engagement portion that engages with an engagement portion of an adjacent connection unit are provided in each connection unit that holds the detection terminal.
  • An interval adjusting means for connecting the connecting units and adjusting the interval between the connecting units can be configured.
  • the pair of flexures 41 is provided as the interval adjusting unit 40, but the interval adjusting unit is not limited thereto.
  • the interval adjusting unit is not limited thereto.
  • the interval adjusting means may be configured by only one of the pair of bent portions 41.
  • the number of single cells 11 constituting the battery module 10 is not limited to the number in the above embodiment. Further, the number of the holding portions 29 and the interval adjusting means 40 can be appropriately changed according to the number of the single cells 11.
  • connection member 15 is inserted into the electrode terminals 12A and 12B and fastened with a nut.
  • the configuration is not limited thereto, and the unit cell 11 includes a nut-type electrode terminal. Bolts may be fastened to nut-type electrode terminals.
  • the holding unit 29 is configured to hold the detection terminal 21 that detects the voltage of the cell 11, but is not limited to the detection terminal 21 that detects the voltage, and the state of the cell 11 ( For example, a detection terminal for detecting current, temperature, etc.) may be held by the holding unit 29.
  • connection member 15 may be housed in a housing member having a partition wall separately from the wiring module 20 (resin protector 28) to insulate the connection member 15 from the outside.
  • connection member 15 connects (series connection) the electrode terminals 12A and 12B having different polarities, but is not limited thereto, and connects the electrode terminals 12A (12B) having the same polarity ( (Parallel connection).
  • another unit cell 11 may be connected in parallel to the battery module 10 of the above embodiment, and the electrode terminals 12 ⁇ / b> A (12 ⁇ / b> B) having the same polarity in this parallel connection may be connected by a plurality of connection members 15.
  • the detection terminal 21 is connected to the connection member 15, but is not limited thereto.
  • an electrode for voltage detection is provided separately from the electrode terminal connected to the connection member in the unit cell, and the detection terminal 21 of the wiring module is not connected to the connection member 15 but is used as the voltage detection electrode of the unit cell. You may connect and it may comprise so that the voltage (state) of a cell may be detected.

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Connection Of Batteries Or Terminals (AREA)
  • Connection Or Junction Boxes (AREA)
  • Battery Mounting, Suspending (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)

Abstract

A wiring module (20) attaches to an electric cell group (13) comprising an array of a plurality of electric cells (11) that have a positive electrode terminal (12A) and a negative electrode terminal (12B). The wiring module (20) is provided with the following: a detection terminal (21) that is electrically connected to the electrode terminals (12A, 12B) and that detects the state of the electric cells (11); a resin protector (28) made of a synthetic resin that holds the detection terminal (21); a detection wire (W) that is connected to the detection terminal (21); and a fuse block (50) that is provided to the resin protector (28) and that has fuses (52) detachably mounted therein which are electrically connected to the detection wire (W).

Description

配線モジュールWiring module
　本発明は、配線モジュールに関する。 The present invention relates to a wiring module.
　電気自動車やハイブリッド車用の電池モジュールとして、特許文献１に記載のものが知られている。この電池モジュールは、正極及び負極の電極端子を有する単電池が複数個並んで配列されており、隣り合う単電池の電極端子間が接続部材で接続されることにより複数の単電池が直列や並列に接続される。 As a battery module for an electric vehicle or a hybrid vehicle, the one described in Patent Document 1 is known. In this battery module, a plurality of unit cells having positive and negative electrode terminals are arranged side by side, and a plurality of unit cells are connected in series or in parallel by connecting the electrode terminals of adjacent unit cells with a connecting member. Connected to.
　複数の単電池には配線モジュールが取り付けられている。この配線モジュールには、単電池の状態を検知する検知端子が配設されている。特許文献１に係る検知端子は単電池の電極端子に接続されて、単電池の電圧を検知する。検知端子には電線が接続されている。この電線は、電池モジュールに形成された溝部内に配索されて、電池モジュールの外部に配された電池ＥＣＵに接続される。この電池ＥＣＵにて単電池の電圧が検知されるようになっている。 A wiring module is attached to multiple cells. This wiring module is provided with a detection terminal for detecting the state of the unit cell. The detection terminal which concerns on patent document 1 is connected to the electrode terminal of a cell, and detects the voltage of a cell. An electric wire is connected to the detection terminal. This electric wire is routed in a groove formed in the battery module, and is connected to a battery ECU disposed outside the battery module. The battery ECU detects the voltage of the single cell.
特開２００１－１１０３９６号公報Japanese Patent Laid-Open No. 2001-110396
　上記の電線は単電池の電圧を検知するためのものなので、比較的に小さな電流が流れるようになっている。しかし、電線は単電池の電極端子に接続されているので、複数の電線同士が短絡すると、単電池同士が短絡してしまうことになってしまう。 The above electric wire is for detecting the voltage of the unit cell, so that a relatively small current flows. However, since the electric wires are connected to the electrode terminals of the single cells, when the plural electric wires are short-circuited, the single cells are short-circuited.
　そこで、特許文献１に係る技術においては、各検知端子にヒューズをはんだ付けにより接続し、電線同士が短絡した場合にはヒューズが溶断することにより、単電池同士が短絡することを抑制するようになっている。 Therefore, in the technology according to Patent Document 1, a fuse is connected to each detection terminal by soldering, and when the wires are short-circuited, the fuse is blown to suppress short-circuiting between the cells. It has become.
　しかし、上記の構成によれば、ヒューズが溶断した場合、配線モジュールごと交換しなければならず、溶断したヒューズのみを交換することはできない。 However, according to the above configuration, when the fuse is blown, the wiring module must be replaced, and only the blown fuse cannot be replaced.
　本発明は上記のような事情に基づいて完成されたものであって、ヒューズ交換を容易に行うことができる配線モジュールを提供することを目的とする。 The present invention has been completed based on the above circumstances, and an object thereof is to provide a wiring module capable of easily performing fuse replacement.
　本発明は、正極及び負極の電極端子を有する複数の単電池が並べられてなる単電池群に取り付けられる配線モジュールであって、前記電極端子に電気的に接続されて前記単電池の電圧を検知する検知端子と、前記検知端子が保持される合成樹脂製の樹脂プロテクタと、前記検知端子に接続された検知電線と、前記樹脂プロテクタに備えられると共に前記検知電線に電気的に接続されるヒューズが着脱可能に装着されるヒューズブロックと、を備える。 The present invention is a wiring module attached to a unit cell group in which a plurality of unit cells having positive and negative electrode terminals are arranged, and is electrically connected to the electrode terminals to detect the voltage of the unit cell. A detection terminal, a synthetic resin resin protector for holding the detection terminal, a detection electric wire connected to the detection terminal, a fuse provided in the resin protector and electrically connected to the detection electric wire. A fuse block that is detachably mounted.
　本発明によれば、検知電線同士が短絡してヒューズが溶断した場合、溶断したヒューズをヒューズブロックから取り外し、正常なヒューズと交換すればよい。このように、本発明によれば、ヒューズを容易に交換することができる。 According to the present invention, when the detection wires are short-circuited and the fuse is blown, the blown fuse may be removed from the fuse block and replaced with a normal fuse. Thus, according to the present invention, the fuse can be easily replaced.
　本発明の実施態様としては以下の態様が好ましい。
　前記樹脂プロテクタには、前記樹脂プロテクタとは別体に形成された前記ヒューズブロックが取り付けられる、ヒューズブロック取り付け部が形成されていることが好ましい。 As embodiments of the present invention, the following embodiments are preferable.
Preferably, the resin protector is formed with a fuse block mounting portion to which the fuse block formed separately from the resin protector is mounted.
　上記の態様によれば、ヒューズブロックと、樹脂プロテクタとを、別々に形成しておき、ヒューズブロック取り付け部にヒューズブロックを取り付ければよい。これにより、ヒューズブロックと樹脂プロテクタとを一体に形成する場合に比べて、ヒューズブロック及び樹脂プロテクタの形状について設計の自由度が増す。 According to the above aspect, the fuse block and the resin protector may be formed separately, and the fuse block may be attached to the fuse block attachment portion. Thereby, the freedom degree of design increases about the shape of a fuse block and a resin protector compared with the case where a fuse block and a resin protector are formed integrally.
　前記検知電線の端末には入力コネクタが接続されており、前記ヒューズブロックには前記入力コネクタが嵌合される入力コネクタ嵌合部が形成されていることが好ましい。 It is preferable that an input connector is connected to the end of the detection wire, and an input connector fitting portion into which the input connector is fitted is formed in the fuse block.
　上記の態様によれば、検知電線とヒューズブロックとの接続を、入力コネクタと、入力コネクタ嵌合部とのコネクタ接続により実現できるので、複数の検知電線をヒューズブロックに接続する場合に特に有効である。 According to the above aspect, since the connection between the detection electric wire and the fuse block can be realized by the connector connection between the input connector and the input connector fitting portion, it is particularly effective when connecting a plurality of detection electric wires to the fuse block. is there.
　前記ヒューズブロックには出力コネクタが嵌合される出力コネクタ嵌合部が形成されており、前記出力コネクタからは前記ヒューズと電気的に接続される電線が導出されていることが好ましい。 It is preferable that an output connector fitting portion into which an output connector is fitted is formed in the fuse block, and an electric wire electrically connected to the fuse is led out from the output connector.
　上記の態様によれば、検知電線とヒューズブロックとの接続を、出力コネクタと、出力コネクタ嵌合部とのコネクタ接続により実現できるので、複数の電線をヒューズブロックに接続する場合に特に有効である。 According to the above aspect, since the connection between the detection electric wire and the fuse block can be realized by the connector connection between the output connector and the output connector fitting portion, it is particularly effective when connecting a plurality of electric wires to the fuse block. .
　本発明によれば、配線モジュールに配されたヒューズの交換を容易に行うことができる。 According to the present invention, it is possible to easily replace the fuse arranged in the wiring module.
図１は本発明の一実施形態に係る配線モジュールが取り付けられた電池モジュールを示す斜視図である。FIG. 1 is a perspective view showing a battery module to which a wiring module according to an embodiment of the present invention is attached. 図２は電池モジュールを示す平面図である。FIG. 2 is a plan view showing the battery module. 図３は接続部材を示す平面図である。FIG. 3 is a plan view showing the connection member. 図４は検知端子を示す平面図である。FIG. 4 is a plan view showing the detection terminal. 図５は配線モジュールを示す平面図である。FIG. 5 is a plan view showing the wiring module. 図６は樹脂プロテクタを示す平面図である。FIG. 6 is a plan view showing the resin protector. 図７は配線モジュールを示す斜視図である。FIG. 7 is a perspective view showing the wiring module. 図８はヒューズブロックを示す斜視図である。FIG. 8 is a perspective view showing the fuse block. 図９は配線モジュールを示す側面図である。FIG. 9 is a side view showing the wiring module. 図１０は配線モジュールを示す正面図である。FIG. 10 is a front view showing the wiring module.
　＜実施形態＞
　本発明に係る配線モジュール２０を電池モジュール１０に適用した一実施形態を、図１ないし図１０を参照しつつ説明する。この電池モジュール１０は、複数の単電池１１を並べて構成された単電池群１３に配線モジュール２０を取り付けて構成される。この電池モジュール１０は、例えば、電気自動車またはハイブリッド自動車等の駆動源として使用される。以下では、上下方向については、図１を基準とし、前後方向については、図２の下方を前方、上方を後方として説明する。また、図２における右方を右方とし、左方を左方とする。 <Embodiment>
An embodiment in which a wiring module 20 according to the present invention is applied to a battery module 10 will be described with reference to FIGS. The battery module 10 is configured by attaching a wiring module 20 to a unit cell group 13 configured by arranging a plurality of unit cells 11. The battery module 10 is used as a drive source for an electric vehicle or a hybrid vehicle, for example. In the following, the vertical direction will be described with reference to FIG. 1, and the vertical direction will be described with the lower side of FIG. Further, the right side in FIG. 2 is the right side, and the left side is the left side.
（電池モジュール１０）
　電池モジュール１０は、図２に示すように、横並びに配列された複数個の単電池１１からなる単電池群１３と、隣り合う電極端子１２Ａ，１２Ｂ間を接続する接続部材１５と、単電池群１３の上面に組み付けられる配線モジュール２０とを備えて構成されている。 (Battery module 10)
As shown in FIG. 2, the battery module 10 includes a unit cell group 13 composed of a plurality of unit cells 11 arranged side by side, a connection member 15 that connects between adjacent electrode terminals 12A and 12B, and a unit cell group. 13 and a wiring module 20 assembled on the upper surface of 13.
　各単電池１１の内部には、図示しない発電要素が収容されている。単電池１１の上面には、垂直に突出する一対の電極端子１２Ａ，１２Ｂが設けられている。電極端子１２Ａ，１２Ｂ（正極を１２Ａ，負極を１２Ｂとして図示）は、ボルトであって、単電池１１の前部及び後部に設けられており、外周にネジ溝を有する。 A power generation element (not shown) is accommodated in each cell 11. On the upper surface of the unit cell 11, a pair of electrode terminals 12 </ b> A and 12 </ b> B projecting vertically are provided. The electrode terminals 12A and 12B (illustrated as a positive electrode 12A and a negative electrode 12B) are bolts, which are provided at the front and rear of the unit cell 11, and have screw grooves on the outer periphery.
　各単電池１１の極性（正負）の向きは、互いに隣り合う単電池１１が逆向きになるように配置されており、これにより、互いに異極の電極端子１２Ａ，１２Ｂが隣り合うように構成されている。これら複数の単電池１１は図示しない保持板によって固定されている。このように構成された単電池群１３は電極端子１２Ａ，１２Ｂが前後２列に並んでおり、接続部材１５を組み付けることにより、複数の単電池１１が直列に接続される。 The direction of the polarity (positive / negative) of each unit cell 11 is arranged so that the unit cells 11 adjacent to each other are opposite to each other, so that the electrode terminals 12A and 12B having different polarities are adjacent to each other. ing. The plurality of unit cells 11 are fixed by a holding plate (not shown). In the unit cell group 13 configured in this way, the electrode terminals 12A and 12B are arranged in two rows in the front and rear, and the plurality of unit cells 11 are connected in series by assembling the connection member 15.
（接続部材１５）
　接続部材１５は、銅、銅合金、アルミニウム等の金属板材からなり、図３に示すように、Ｔ字状であって、左右方向に延びて隣り合う電極端子１２Ａ，１２Ｂ間を接続する本体部１６と、前後方向に延びて検知端子２１と接続される延出部１８とを有する。 (Connection member 15)
The connection member 15 is made of a metal plate material such as copper, copper alloy, or aluminum, and as shown in FIG. 3, is a T-shaped body portion that extends in the left-right direction and connects the adjacent electrode terminals 12A and 12B. 16 and an extending portion 18 that extends in the front-rear direction and is connected to the detection terminal 21.
　本体部１６には、左右一対の挿通孔１７，１７が貫通形成されている。挿通孔１７，１７は、円形状をなしている。 A pair of left and right insertion holes 17, 17 are formed through the body portion 16. The insertion holes 17 and 17 have a circular shape.
　延出部１８は、左右方向（本体部１６の延出方向）の中間部から前後方向（延出方向と直交する方向）に延びており、その幅寸法は本体部１６の幅寸法よりも狭く形成されている。延出部１８の先端部には、円形状の固定孔１９が形成されている。固定孔１９は、接続部材１５と検知端子２１との間を固定部材（図示しない）により固定するためのものである。 The extending portion 18 extends in the front-rear direction (a direction perpendicular to the extending direction) from an intermediate portion in the left-right direction (the extending direction of the main body portion 16), and its width dimension is narrower than the width dimension of the main body portion 16. Is formed. A circular fixing hole 19 is formed at the distal end of the extending portion 18. The fixing hole 19 is for fixing between the connection member 15 and the detection terminal 21 with a fixing member (not shown).
　なお、固定部材による固定は、例えば、固定孔１９の部分に、バーリング加工を施してその内面にネジ溝を形成したり、ナットのネジ孔が固定孔１９に連なるようにナットを延出部１８の裏面に溶接等で固定することにより固定孔１９の内面に連なるネジ溝を形成し、ボルト等の固定部材で締結するようにすればよい。 For example, the fixing member 19 may be fixed by, for example, subjecting the fixing hole 19 to burring to form a screw groove on the inner surface, or extending the nut 18 so that the screw hole of the nut is connected to the fixing hole 19. A screw groove connected to the inner surface of the fixing hole 19 may be formed on the back surface of the steel plate by welding or the like and fastened with a fixing member such as a bolt.
（配線モジュール２０）
　配線モジュール２０は、図２に示すように、検知電線Ｗの端末部に接続されて単電池１１の電圧を検知する複数の検知端子２１と、複数の検知端子２１が収容される合成樹脂製の樹脂プロテクタ２８と、を備えて構成されている。 (Wiring module 20)
As shown in FIG. 2, the wiring module 20 is made of a synthetic resin in which a plurality of detection terminals 21 connected to the terminal portion of the detection electric wire W and detecting the voltage of the unit cell 11 and the plurality of detection terminals 21 are accommodated. And a resin protector 28.
（検知端子２１）
　検知端子２１は、図４に示すように、単電池１１の電圧を検知するために設けられており、板状部２２と、検知電線Ｗの端末に接続される電線接続部２５とを備える。板状部２２は、矩形状であって、中心部に円形状の固定孔２３が形成されている。この固定孔２３は、接続部材１５の延出部１８に設けられた固定孔１９に連なるようになっており、固定孔２３及び固定孔１９に固定部材（図示しない）を通して検知端子２１と接続部材１５との間の電気的接続及び相対的位置の固定を行う。板状部２２の先端側の一方の角部には、矩形状の係止片２４が前方に突出して設けられている。 (Detection terminal 21)
As shown in FIG. 4, the detection terminal 21 is provided for detecting the voltage of the unit cell 11, and includes a plate-like portion 22 and a wire connection portion 25 connected to the terminal of the detection wire W. The plate-like portion 22 has a rectangular shape, and a circular fixing hole 23 is formed at the center. The fixing hole 23 is connected to a fixing hole 19 provided in the extending portion 18 of the connection member 15, and the detection terminal 21 and the connection member are passed through the fixing hole 23 and the fixing hole 19 through a fixing member (not shown). The electrical connection with 15 and the relative position are fixed. A rectangular locking piece 24 is provided at one corner on the distal end side of the plate-like portion 22 so as to protrude forward.
　電線接続部２５は、検知電線Ｗの導体部が接続されるワイヤバレル部２６と、絶縁被覆（絶縁層）の上から保持するインシュレーションバレル部２７とを備える。検知電線Ｗは、被覆電線であって、端末部において絶縁被覆（絶縁層）を剥ぎ取り露出させた導体が検知端子２１に接続されている。検知電線Ｗは、後述する電線収容溝４３に集められて電池ＥＣＵ（図示しない）に導かれる。この電池ＥＣＵは、マイクロコンピュータ、素子等が搭載されたものであって、単電池１１の電圧・電流・温度等の検知、各単電池１１の充放電コントロール等を行うための機能を備えた周知の構成のものである。 The electric wire connecting portion 25 includes a wire barrel portion 26 to which the conductor portion of the detection electric wire W is connected, and an insulation barrel portion 27 that is held from above the insulating coating (insulating layer). The detection electric wire W is a covered electric wire, and a conductor from which an insulating coating (insulating layer) is stripped and exposed at the terminal portion is connected to the detection terminal 21. The detection wires W are collected in a wire housing groove 43 described later and guided to a battery ECU (not shown). The battery ECU is equipped with a microcomputer, an element, and the like, and has a function for detecting voltage, current, temperature, etc. of the unit cells 11 and controlling charge / discharge of each unit cell 11. Of the configuration.
（樹脂プロテクタ２８）
　樹脂プロテクタ２８は、合成樹脂製であって、各検知端子２１を保持する複数の保持部２９と、各検知端子２１に接続された検知電線Ｗが通される溝部３４と、左右に隣り合う保持部２９間を接続するとともに隣り合う保持部２９間の間隔を調整可能な間隔調整手段４０と、を備える。複数の保持部２９は、図５の左右方向に並ぶと共に、前後方向に２列に並んで配されている。なお、図５においては、説明のため、検知電線Ｗを省略して記載してある。 (Resin protector 28)
The resin protector 28 is made of synthetic resin and has a plurality of holding portions 29 for holding the detection terminals 21, a groove portion 34 through which the detection electric wires W connected to the detection terminals 21 are passed, and a holding portion adjacent to the left and right. And an interval adjusting means 40 that connects the portions 29 and adjusts the interval between the adjacent holding portions 29. The plurality of holding portions 29 are arranged in the left-right direction in FIG. 5 and arranged in two rows in the front-rear direction. In FIG. 5, the detection electric wire W is omitted for description.
　保持部２９は上方に開口する箱状をなしており、矩形状の底壁と、底壁の周縁部から立ち上がる側壁と、を備えている。保持部２９には、矩形状の開口部３１が底壁を貫通して設けられており、この開口部３１を検知端子２１と接続部材１５とを接続する固定部材が貫通するようになっている（図６参照）。 The holding portion 29 has a box shape that opens upward, and includes a rectangular bottom wall and a side wall that rises from the peripheral edge of the bottom wall. The holding portion 29 is provided with a rectangular opening 31 that passes through the bottom wall, and a fixing member that connects the detection terminal 21 and the connecting member 15 passes through the opening 31. (See FIG. 6).
　保持部２９の側壁は、工具等が検知端子２１に接触して短絡することを防止するために、工具等の接触が防止される高さで設けられるものであり、検知端子２１を包囲するように立設されている。保持部２９の側壁は、板状部２２の前後から挟み込むことにより板状部２２を保持部２９に保持している。板状部２２と左右の側壁との間には、底壁の上に板状部２２が配されない部分が形成されている。なお、保持部２９の側壁の内面に、例えば側壁を切欠いて内方側に爪状に突出する撓み片を設け、この撓み片の爪の下に板状部２２の周縁部を配することで、検知端子２１の保持部２９からの離脱を規制するようにしてもよい。 The side wall of the holding portion 29 is provided at a height that prevents contact of the tool or the like so as to prevent the tool or the like from coming into contact with the detection terminal 21 and short-circuiting, so as to surround the detection terminal 21. Is erected. The side wall of the holding part 29 holds the plate-like part 22 in the holding part 29 by being sandwiched from the front and back of the plate-like part 22. Between the plate-like portion 22 and the left and right side walls, a portion where the plate-like portion 22 is not disposed on the bottom wall is formed. For example, the inner surface of the side wall of the holding portion 29 is provided with a bending piece that cuts out the side wall and protrudes in a claw-like shape on the inner side, and the peripheral portion of the plate-like portion 22 is arranged under the claw of the bending piece. The separation of the detection terminal 21 from the holding portion 29 may be restricted.
　保持部２９の側壁のうち溝部３４とは反対側には、検知端子２１の係止片２４が挿通される係止片挿通孔（図示しない）が設けられている。係止片挿通孔は、左右方向に延びるスリット状であって、係止片２４の先端部が係止片挿通孔からわずかに突き出る。保持部２９の側壁における係止片挿通孔の外方側の面には、図７に示すように、係止片挿通孔を覆う補助壁３３が設けられている。 A locking piece insertion hole (not shown) through which the locking piece 24 of the detection terminal 21 is inserted is provided on the opposite side of the side wall of the holding portion 29 from the groove portion 34. The locking piece insertion hole has a slit shape extending in the left-right direction, and the tip of the locking piece 24 slightly protrudes from the locking piece insertion hole. As shown in FIG. 7, an auxiliary wall 33 that covers the locking piece insertion hole is provided on the outer surface of the locking piece insertion hole in the side wall of the holding portion 29.
　溝部３４は、保持部２９のうち、接続部材１５とは反対側の端部に通し溝３５を介して接続されている。通し溝３５は、その溝内に検知端子２１の電線接続部２５が収容可能に形成されている。 The groove portion 34 is connected to an end portion of the holding portion 29 opposite to the connection member 15 via a through groove 35. The through groove 35 is formed in the groove so that the electric wire connecting portion 25 of the detection terminal 21 can be accommodated therein.
　溝部３４は、通し溝３５の溝底に連なる溝底と、この溝底の前後の端縁から立ち上がる溝壁とを有し、溝壁における通し溝３５に連なる部分は、溝壁が分断されて検知端子２１の端末に連なる検知電線Ｗを通し溝３５から溝部３４内に導くことができるようになっている。 The groove portion 34 has a groove bottom that is continuous with the groove bottom of the through groove 35 and a groove wall that rises from the front and rear edges of the groove bottom. A portion of the groove wall that is continuous with the through groove 35 is divided by the groove wall. The detection electric wire W connected to the terminal of the detection terminal 21 can be led from the groove 35 into the groove portion 34.
　図５おいて、後ろ側に配された保持部２９に形成された溝部３４と、前側に配された保持部２９に形成された溝部３４とは、図５の左右方向について交互に並ぶように配されている。これにより、後ろ側に配された保持部２９に形成された溝部３４と、前側に配された保持部２９に形成された溝部３４とは、左右方向に一列状に連なって電線収容溝４３を構成している。 In FIG. 5, the groove part 34 formed in the holding part 29 arranged on the rear side and the groove part 34 formed in the holding part 29 arranged on the front side are alternately arranged in the left-right direction of FIG. It is arranged. Thereby, the groove part 34 formed in the holding part 29 arranged on the rear side and the groove part 34 formed on the holding part 29 arranged on the front side are connected in a line in the left-right direction to form the wire receiving groove 43. It is composed.
　間隔調整手段４０は、隣り合う保持部２９間を連結するとともに、単電池群１３への組み付けの際の寸法公差に対して隣り合う保持部２９間の間隔を調整することで組み付けの際の寸法公差を吸収するものであり、保持部２９の側壁の角部から左右方向（保持部２９の並び方向）に対して傾斜した方向に延びる一対の撓み部４１と、左右方向に延びて左右に隣り合う撓み部４１間を連結する一対の連結部４２とを備える。一対の撓み部４１は、互いに近づく方向（撓み部間の間隔を狭くする方向）に所定の角度（本実施形態では、左右方向に対して概ね５５度の角度）で傾斜している。 The distance adjusting means 40 connects the adjacent holding parts 29 and adjusts the distance between the adjacent holding parts 29 with respect to the dimensional tolerance when assembling to the cell group 13. A tolerance is absorbed, and a pair of flexures 41 extending in a direction inclined with respect to the left-right direction (alignment direction of the holding portions 29) from the corner of the side wall of the holding portion 29, and extending in the left-right direction and adjacent to the left and right. And a pair of connecting portions 42 for connecting the matching bent portions 41. The pair of flexures 41 are inclined at a predetermined angle (in the present embodiment, an angle of approximately 55 degrees with respect to the left-right direction) in a direction approaching each other (a direction in which the interval between the flexures is narrowed).
　一対の撓み部４１は、上下方向（配線モジュールの単電池群への組み付け方向）の寸法が、保持部２９の側壁の高さ寸法にほぼ等しい厚肉の寸法である。また、厚み寸法（図６に表されている撓み部の厚み）は、保持部２９の側壁の厚み寸法にほぼ等しい薄肉の寸法とされている。なお、撓み部４１の左右方向に対する傾斜角度、上下方向の寸法、及び、厚み寸法は、上記した値に限らず、単電池群１３への組み付けの際の寸法公差を吸収できる程度の値に適宜設定することができる。連結部４２は、撓み部４１と同一の高さ及び厚み寸法で撓み部４１に連なるように形成されている。 The pair of flexures 41 has a thick dimension in which the dimension in the vertical direction (the direction in which the wiring module is assembled to the unit cell group) is substantially equal to the height of the side wall of the holding part 29. Further, the thickness dimension (thickness of the bent portion shown in FIG. 6) is a thin dimension substantially equal to the thickness dimension of the side wall of the holding portion 29. In addition, the inclination angle with respect to the left-right direction of the bending part 41, the dimension of an up-down direction, and the thickness dimension are not limited to the above-described values, but are appropriately set to values that can absorb a dimensional tolerance when assembled to the unit cell group 13. Can be set. The connecting portion 42 is formed to be continuous with the bending portion 41 with the same height and thickness dimension as the bending portion 41.
（ヒューズブロック５０）
　樹脂プロテクタ２８には、図５における左端部に、ヒューズブロック取り付け部５１が形成されており、このヒューズブロック取り付け部５１に、合成樹脂製のヒューズブロック５０が取り付けられている。ヒューズブロック５０は概ねブロック状をなしている。ヒューズブロック５０の上面には、複数のヒューズ５２が着脱可能なヒューズ装着部５３が上方に開口して形成されている。 (Fuse block 50)
The resin protector 28 is formed with a fuse block mounting portion 51 at the left end in FIG. 5, and a synthetic resin fuse block 50 is mounted on the fuse block mounting portion 51. The fuse block 50 has a generally block shape. A fuse mounting portion 53 to which a plurality of fuses 52 can be attached and detached is formed on the upper surface of the fuse block 50 so as to open upward.
　図６に示すように、ヒューズ装着部５３は上方に開口する浅い皿状に形成されており、ヒューズブロック５０が上方から組み付けられるようになっている。図には詳細に示さないが、ヒューズブロック５０は、ヒューズブロック取り付け部５１に、ビス止め、ロック爪による係止等、公知の手法により取り付けられるようになっている。 As shown in FIG. 6, the fuse mounting portion 53 is formed in a shallow dish shape that opens upward, and the fuse block 50 can be assembled from above. Although not shown in detail in the drawing, the fuse block 50 is attached to the fuse block attaching portion 51 by a known method such as screwing or locking with a lock claw.
　図８に示すように、ヒューズブロック５０の右側面には、検知電線Ｗの端末に取り付けられた入力コネクタ５４と嵌合可能な入力コネクタ嵌合部５５が形成されている。ヒューズブロック５０がヒューズブロック取り付け部５１に取り付けられた状態において、入力コネクタ５４は、電線収容溝４３に面するようになっている。図９に示すように、入力コネクタ嵌合部５５の内部には入力コネクタ端子５６が配されており、この入力コネクタ端子５６は、ヒューズ５２に接続されるヒューズ用端子（図示せず）と電気的に接続されている。これにより、入力コネクタ５４が、入力コネクタ嵌合部５５内に嵌合されることで、ヒューズ装着部５３に装着されたヒューズ５２と、検知電線Ｗとが電気的に接続されるようになっている。 As shown in FIG. 8, an input connector fitting portion 55 that can be fitted to the input connector 54 attached to the end of the detection wire W is formed on the right side surface of the fuse block 50. In a state where the fuse block 50 is attached to the fuse block attachment portion 51, the input connector 54 faces the electric wire accommodation groove 43. As shown in FIG. 9, an input connector terminal 56 is disposed inside the input connector fitting portion 55, and this input connector terminal 56 is electrically connected to a fuse terminal (not shown) connected to the fuse 52. Connected. As a result, the input connector 54 is fitted into the input connector fitting portion 55 so that the fuse 52 attached to the fuse attachment portion 53 and the detection electric wire W are electrically connected. Yes.
　また、図８に示すように、ヒューズブロック５０の前側面には、出力コネクタ５７が嵌合可能な出力コネクタ嵌合部５８が形成されている。出力コネクタ５７からは、複数の電線５９が導出されている。図１０に示すように、出力コネクタ嵌合部５８の内部には出力コネクタ端子６０が配されており、この出力コネクタ端子６０はヒューズ５２に接続されるヒューズ用端子（図示せず）と電気的に接続されている。これにより、出力コネクタ５７が、出力コネクタ嵌合部５８に嵌合されることで、ヒューズ装着部５３に装着されたヒューズ５２と、電線５９とが電気的に接続されるようになっている。 Further, as shown in FIG. 8, an output connector fitting portion 58 into which the output connector 57 can be fitted is formed on the front side surface of the fuse block 50. A plurality of electric wires 59 are led out from the output connector 57. As shown in FIG. 10, an output connector terminal 60 is disposed inside the output connector fitting portion 58, and this output connector terminal 60 is electrically connected to a fuse terminal (not shown) connected to the fuse 52. It is connected to the. Thus, the output connector 57 is fitted into the output connector fitting portion 58, so that the fuse 52 attached to the fuse attachment portion 53 and the electric wire 59 are electrically connected.
（本実施形態の作用、効果）
　続いて、本実施形態の作用、効果について説明する。本実施形態によれば、配線モジュール２０の樹脂プロテクタ２８には、ヒューズブロック５０が取り付けられている。このヒューズブロック５０のヒューズ装着部５３には、ヒューズ５２が着脱可能に装着されるようになっている。このヒューズ５２は、検知端子２１に接続された検知電線Ｗと電気的に接続されるようになっている。これにより、検知電線Ｗ同士が短絡した場合には、ヒューズ５２が溶断することにより、単電池１１間が短絡して、比較的に大きな電流が流れることを抑制することができる。 (Operation and effect of this embodiment)
Then, the effect | action and effect of this embodiment are demonstrated. According to the present embodiment, the fuse block 50 is attached to the resin protector 28 of the wiring module 20. A fuse 52 is detachably mounted on the fuse mounting portion 53 of the fuse block 50. The fuse 52 is electrically connected to the detection electric wire W connected to the detection terminal 21. Thereby, when the detection electric wires W are short-circuited, it is possible to suppress a relatively large current from flowing due to a short circuit between the single cells 11 by melting the fuse 52.
　また、ヒューズ５２が溶断した場合には、溶断したヒューズ５２のみをヒューズブロック５０から取り外し、正常なヒューズ５２と交換すればよい。このように、本実施形態によれば、例えば検知端子２１に直接にヒューズ５２が接続される場合に比べて、溶断したヒューズ５２を容易に交換することができる。 Further, when the fuse 52 is blown, only the blown fuse 52 may be removed from the fuse block 50 and replaced with a normal fuse 52. Thus, according to the present embodiment, the blown fuse 52 can be easily replaced as compared with the case where the fuse 52 is directly connected to the detection terminal 21, for example.
　また、本実施形態によれば、配線モジュール２０には、樹脂プロテクタ２８とは別体に形成されたヒューズブロック５０が取り付けられる、ヒューズブロック取り付け部５１が形成されている。これにより、本実施形態においては、ヒューズブロック５０と、樹脂プロテクタ２８とを、別々に形成しておき、ヒューズブロック取り付け部５１にヒューズブロック５０を取り付ければよい。この結果、ヒューズブロック５０と樹脂プロテクタ２８とを一体に形成する場合に比べて、ヒューズブロック５０及び樹脂プロテクタ２８の形状について設計の自由度が増す。 In addition, according to the present embodiment, the wiring module 20 is formed with the fuse block attachment portion 51 to which the fuse block 50 formed separately from the resin protector 28 is attached. Thereby, in this embodiment, the fuse block 50 and the resin protector 28 are formed separately, and the fuse block 50 may be attached to the fuse block attachment portion 51. As a result, compared to the case where the fuse block 50 and the resin protector 28 are integrally formed, the design freedom of the shapes of the fuse block 50 and the resin protector 28 is increased.
　また、本実施形態によれば、検知電線Ｗの端末には入力コネクタ５４が接続されており、ヒューズブロック５０には入力コネクタ５４が嵌合される入力コネクタ嵌合部５５が形成されている。これにより、検知電線Ｗとヒューズブロック５０との接続を、入力コネクタ５４と、入力コネクタ嵌合部５５とのコネクタ接続により実現できるので、複数の検知電線Ｗをヒューズブロック５０に接続する場合に特に有効である。 Further, according to this embodiment, the input connector 54 is connected to the end of the detection electric wire W, and the input connector fitting portion 55 into which the input connector 54 is fitted is formed in the fuse block 50. Thereby, since the connection of the detection electric wire W and the fuse block 50 is realizable by the connector connection of the input connector 54 and the input connector fitting part 55, when connecting the several detection electric wire W to the fuse block 50 especially. It is valid.
　更に、本実施形態によれば、ヒューズブロック５０には出力コネクタ５７が嵌合される出力コネクタ嵌合部５８が形成されており、出力コネクタ５７からはヒューズ５２と電気的に接続される電線５９が導出されている。これにより、ヒューズ５２から導出される電線５９と、ヒューズブロック５０との接続を、出力コネクタ５７と、出力コネクタ嵌合部５８とのコネクタ接続により実現できるので、複数の電線５９をヒューズブロック５０に接続する場合に特に有効である。 Furthermore, according to the present embodiment, the fuse block 50 is formed with the output connector fitting portion 58 into which the output connector 57 is fitted, and the electric wire 59 electrically connected to the fuse 52 from the output connector 57. Has been derived. Thereby, since the connection between the electric wire 59 led out from the fuse 52 and the fuse block 50 can be realized by the connector connection between the output connector 57 and the output connector fitting portion 58, a plurality of electric wires 59 are connected to the fuse block 50. This is particularly effective when connecting.
　＜他の実施形態＞
　本発明は上記記述及び図面によって説明した実施形態に限定されるものではなく、例えば次のような実施形態も本発明の技術的範囲に含まれる。
　（１）本実施形態においては、ヒューズブロック５０と樹脂プロテクタとは別体に形成される構成としたが、これに限られず、ヒューズブロック５０は、樹脂プロテクタと一体に形成されていてもよい。 <Other embodiments>
The present invention is not limited to the embodiments described with reference to the above description and drawings. For example, the following embodiments are also included in the technical scope of the present invention.
(1) In the present embodiment, the fuse block 50 and the resin protector are formed separately. However, the present invention is not limited to this, and the fuse block 50 may be formed integrally with the resin protector.
　（２）本実施形態においては、ヒューズブロック５０に形成された入力コネクタ嵌合部５５内に、検知電線Ｗに接続された入力コネクタ５４を嵌合させる構成としたが、これに限られず、検知電線Ｗは、入力コネクタ５４を介することなく、ヒューズブロック５０の内部に直接に導入されて、ヒューズ５２と接続されるヒューズ用端子と電気的に接続される構成としてもよい。 (2) In this embodiment, the input connector 54 connected to the detection electric wire W is fitted in the input connector fitting portion 55 formed in the fuse block 50. However, the present invention is not limited to this. The electric wire W may be directly introduced into the fuse block 50 without being connected to the input connector 54 and electrically connected to a fuse terminal connected to the fuse 52.
　（３）出力コネクタ５７を省略し、電線５９は、ヒューズブロック５０の内部に導入されて、ヒューズ５２と接続されるヒューズ用端子と電気的に接続される構成としてもよい。 (3) The output connector 57 may be omitted, and the electric wire 59 may be introduced into the fuse block 50 and electrically connected to a fuse terminal connected to the fuse 52.
　（４）上記実施形態では、樹脂プロテクタ２８は、プレート状であったが、これに限らず、樹脂プロテクタを複数の別体の（同一形状の）連結ユニットを左右に連結して構成したものに本発明の構成を適用してもよい。この場合、例えば、検知端子が保持される各連結ユニットに被係合部と、隣り合う連結ユニットの被係合部に係合する係合部を設け、係合部と被係合部とで連結ユニット間を接続するとともに連結ユニット間の間隔を調整する間隔調整手段を構成するようにすることができる。 (4) In the above embodiment, the resin protector 28 has a plate shape. However, the resin protector 28 is not limited to this, and the resin protector 28 is configured by connecting a plurality of separate (same shape) connection units to the left and right. The configuration of the present invention may be applied. In this case, for example, an engagement portion and an engagement portion that engages with an engagement portion of an adjacent connection unit are provided in each connection unit that holds the detection terminal. An interval adjusting means for connecting the connecting units and adjusting the interval between the connecting units can be configured.
　（５）上記実施形態では、間隔調整手段４０として、一対の撓み部４１を設けたが、間隔調整手段としては、これに限られない。例えば、左右方向に弾性変形可能な弾性部材を用いて隣り合う保持部２９間の間隔を調整する構成としてもよい。また、例えば、一対の撓み部４１のうちの、一方の撓み部のみによって、間隔調整手段を構成するようにしてもよい。 (5) In the above embodiment, the pair of flexures 41 is provided as the interval adjusting unit 40, but the interval adjusting unit is not limited thereto. For example, it is good also as a structure which adjusts the space | interval between the holding parts 29 adjacent using the elastic member which can be elastically deformed in the left-right direction. Further, for example, the interval adjusting means may be configured by only one of the pair of bent portions 41.
　（６）電池モジュール１０を構成する単電池１１の数については、上記実施形態の個数に限られない。また、保持部２９や間隔調整手段４０の数についても単電池１１の数に応じて適宜変更することができる。 (6) The number of single cells 11 constituting the battery module 10 is not limited to the number in the above embodiment. Further, the number of the holding portions 29 and the interval adjusting means 40 can be appropriately changed according to the number of the single cells 11.
　（７）上記実施形態では、電極端子１２Ａ，１２Ｂに接続部材１５を挿通してナットで締結する構成であったが、これに限らず、単電池１１がナット型の電極端子を備える構成とし、ボルトをナット型の電極端子に締結するようにしてもよい。 (7) In the above embodiment, the connection member 15 is inserted into the electrode terminals 12A and 12B and fastened with a nut. However, the configuration is not limited thereto, and the unit cell 11 includes a nut-type electrode terminal. Bolts may be fastened to nut-type electrode terminals.
　（８）上記実施形態では、保持部２９には単電池１１の電圧を検知する検知端子２１が保持される構成としたが、電圧を検知する検知端子２１に限らず、単電池１１の状態（例えば電流や温度等）を検知する検知端子が保持部２９に保持されるようにしてもよい。 (8) In the above embodiment, the holding unit 29 is configured to hold the detection terminal 21 that detects the voltage of the cell 11, but is not limited to the detection terminal 21 that detects the voltage, and the state of the cell 11 ( For example, a detection terminal for detecting current, temperature, etc.) may be held by the holding unit 29.
　（９）接続部材１５については、配線モジュール２０（樹脂プロテクタ２８）とは別体で仕切り壁を有する収容部材に収容して接続部材１５を外部と絶縁するようにしてもよい。 (9) The connection member 15 may be housed in a housing member having a partition wall separately from the wiring module 20 (resin protector 28) to insulate the connection member 15 from the outside.
　（１０）上記実施形態では、接続部材１５は、異極の電極端子１２Ａ，１２Ｂを接続（直列接続）するものとしたが、これに限られず、同極の電極端子１２Ａ（１２Ｂ）を接続（並列接続）するものでもよい。例えば、上記実施形態の電池モジュール１０に更に別の単電池１１を並列接続し、この並列接続における同極の電極端子１２Ａ（１２Ｂ）を複数の接続部材１５で接続するようにしてもよい。 (10) In the above embodiment, the connection member 15 connects (series connection) the electrode terminals 12A and 12B having different polarities, but is not limited thereto, and connects the electrode terminals 12A (12B) having the same polarity ( (Parallel connection). For example, another unit cell 11 may be connected in parallel to the battery module 10 of the above embodiment, and the electrode terminals 12 </ b> A (12 </ b> B) having the same polarity in this parallel connection may be connected by a plurality of connection members 15.
　（１１）上記実施形態では、検知端子２１は、接続部材１５に接続される構成としたが、これに限られない。例えば、単電池に接続部材に接続される電極端子とは別に電圧検知用の電極を設け、配線モジュールの検知端子２１を、接続部材１５に接続せずに、単電池の電圧検知用の電極に接続して、単電池の電圧（状態）を検知するように構成してもよい。 (11) In the above embodiment, the detection terminal 21 is connected to the connection member 15, but is not limited thereto. For example, an electrode for voltage detection is provided separately from the electrode terminal connected to the connection member in the unit cell, and the detection terminal 21 of the wiring module is not connected to the connection member 15 but is used as the voltage detection electrode of the unit cell. You may connect and it may comprise so that the voltage (state) of a cell may be detected.
　１０：電池モジュール
　１１：単電池
　１２Ａ，１２Ｂ：電極端子
　１３：単電池群
　２０：配線モジュール
　２１：検知端子
　２８：樹脂プロテクタ
　５０：ヒューズブロック
　５１：ヒューズブロック取り付け部
　５２：ヒューズ
　５４：入力コネクタ
　５５：入力コネクタ嵌合部
　５７：出力コネクタ
　５８：出力コネクタ嵌合部
　Ｗ：検知電線 DESCRIPTION OF SYMBOLS 10: Battery module 11: Single battery 12A, 12B: Electrode terminal 13: Single battery group 20: Wiring module 21: Detection terminal 28: Resin protector 50: Fuse block 51: Fuse block attaching part 52: Fuse 54: Input connector 55: Input connector fitting portion 57: Output connector 58: Output connector fitting portion W: Detection wire

Claims (4)

  1. 　正極及び負極の電極端子を有する複数の単電池が並べられてなる単電池群に取り付けられる配線モジュールであって、
    　前記電極端子に電気的に接続されて前記単電池の電圧を検知する検知端子と、前記検知端子が保持される合成樹脂製の樹脂プロテクタと、前記検知端子に接続された検知電線と、前記樹脂プロテクタに備えられると共に前記検知電線に電気的に接続されるヒューズが着脱可能に装着されるヒューズブロックと、を備えた配線モジュール。     A wiring module attached to a unit cell group in which a plurality of unit cells having positive and negative electrode terminals are arranged,
    A detection terminal that is electrically connected to the electrode terminal and detects the voltage of the unit cell, a resin protector made of synthetic resin that holds the detection terminal, a detection electric wire connected to the detection terminal, and the resin A wiring module comprising: a fuse block provided in the protector and detachably mounted with a fuse electrically connected to the detection electric wire.
  2. 　前記樹脂プロテクタには、前記樹脂プロテクタとは別体に形成された前記ヒューズブロックが取り付けられる、ヒューズブロック取り付け部が形成されている請求項１に記載の配線モジュール。 2. The wiring module according to claim 1, wherein the resin protector is formed with a fuse block attaching portion to which the fuse block formed separately from the resin protector is attached.
  3. 　前記検知電線の端末には入力コネクタが接続されており、前記ヒューズブロックには前記入力コネクタが嵌合される入力コネクタ嵌合部が形成されている請求項１または請求項２に記載の配線モジュール。 The wiring module according to claim 1, wherein an input connector is connected to a terminal of the detection electric wire, and an input connector fitting portion into which the input connector is fitted is formed in the fuse block. .
  4. 　前記ヒューズブロックには出力コネクタが嵌合される出力コネクタ嵌合部が形成されており、前記出力コネクタからは前記ヒューズと電気的に接続される電線が導出されている請求項１ないし請求項３のいずれか一項に記載の配線モジュール。 4. An output connector fitting portion into which an output connector is fitted is formed in the fuse block, and an electric wire electrically connected to the fuse is led out from the output connector. The wiring module according to any one of the above.
PCT/JP2012/079080 2011-11-11 2012-11-09 Wiring module WO2013069756A1 (en)

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EP3142167A4 (en) * 2014-05-07 2017-07-26 AutoNetworks Technologies, Ltd. Electricity storage module
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US9397511B2 (en) 2013-07-31 2016-07-19 Lg Chem, Ltd. Safety device for battery pack having inserted-typed disconnect member
EP2833435A1 (en) * 2013-07-31 2015-02-04 LG Chem, Ltd. Safety device for battery pack having inserted-typed disconnect member
EP3142167A4 (en) * 2014-05-07 2017-07-26 AutoNetworks Technologies, Ltd. Electricity storage module
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WO2019068950A1 (en) * 2017-10-03 2019-04-11 Gorlan Team S.L.U. Cable duct, fuse block and monitoring system
DE202017007671U1 (en) 2017-10-03 2024-02-07 Gorlan Team, S.L.U. Cable duct, fuse base and monitoring system
EP3467865A1 (en) * 2017-10-03 2019-04-10 Gorlan Team, S.L.U. Cable duct, fuse block and monitoring system
JP7235090B2 (en) 2018-08-29 2023-03-08 住友電装株式会社 battery wiring module
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