WO2017175636A1 - 蓄電装置パック - Google Patents

蓄電装置パック Download PDF

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Publication number
WO2017175636A1
WO2017175636A1 PCT/JP2017/012893 JP2017012893W WO2017175636A1 WO 2017175636 A1 WO2017175636 A1 WO 2017175636A1 JP 2017012893 W JP2017012893 W JP 2017012893W WO 2017175636 A1 WO2017175636 A1 WO 2017175636A1
Authority
WO
WIPO (PCT)
Prior art keywords
power storage
harness
storage device
holder
housing
Prior art date
Application number
PCT/JP2017/012893
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
和樹 前田
加藤　崇行
浩生 植田
直人 守作
素史 宮本
Original Assignee
株式会社豊田自動織機
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 株式会社豊田自動織機 filed Critical 株式会社豊田自動織機
Publication of WO2017175636A1 publication Critical patent/WO2017175636A1/ja

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
    • H01G2/00—Details of capacitors not covered by a single one of groups H01G4/00-H01G11/00
    • H01G2/02—Mountings
    • H01G2/04—Mountings specially adapted for mounting on a chassis
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
    • H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
    • H01G11/10—Multiple hybrid or EDL capacitors, e.g. arrays or modules
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
    • H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
    • H01G11/78—Cases; Housings; Encapsulations; Mountings
    • 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
    • H01M50/218—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by the material
    • H01M50/22—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by the material of the casings or racks
    • H01M50/222—Inorganic material
    • H01M50/224—Metals
    • 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

  • One aspect of the present invention relates to a power storage device pack.
  • a device including a battery module described in Patent Document 1 As a conventional power storage device pack, for example, a device including a battery module described in Patent Document 1 is known.
  • a hook-shaped support portion that supports wiring is fixed to the surface of the covering portion of the battery holder that holds the battery cells.
  • the support part has a rectangular plate-like standing part standing from the surface of the covering part, and an extending part provided at the tip of the standing part and extending in the longitudinal direction of the covering part.
  • An object of one aspect of the present invention is to provide a power storage device pack that can improve workability when a harness is assembled.
  • One aspect of the present invention is a power storage device pack including a housing and a power storage device module housed in the housing.
  • the power storage device module holds a plurality of power storage devices arranged in one direction and the power storage device.
  • a restraining unit that restrains the plurality of power storage devices in the arrangement direction of the power storage devices, and a support portion that supports the harness is provided on the outer surface of the holder. It protrudes so as to extend from the side surface to the side, and has a pair of locking pieces that lock the harness in the height direction of the holder.
  • the support portion that supports the harness protrudes from the outer side surface of the holder toward the side, and includes a pair of locking pieces that hold the harness in the height direction of the holder.
  • the harness is moved from the front side of the power storage device module toward the outer surface of the holder and pushed between the pair of locking pieces. It becomes easy. Thereby, workability
  • the outer surface of the holder faces the wall constituting the casing, and the interval between the locking piece and the wall may be shorter than the diameter of the harness. In this case, even if the harness is about to be detached from the support portion due to vibration impact or the like, the harness does not hit the wall and the harness does not completely come out from between the pair of locking pieces. Thereby, it is prevented that a harness remove
  • the outer surface of the holder is opposed to the wall constituting the housing, and an elastic body is fixed to the surface of the wall facing the outer surface of the holder, and the interval between the locking piece and the elastic body is It may be shorter than the diameter of the harness. In this case, even if the harness is about to be detached from the support portion due to vibration impact or the like, the harness will hit the elastic body and the harness will not come out completely between the pair of locking pieces. Thereby, it is prevented that a harness remove
  • At least two power storage device modules are accommodated in the housing, and the two power storage device modules are arranged so that the outer surfaces of the holders face each other, and the outer surfaces of the holders in the two power storage device modules
  • the support portions provided on the holder are displaced from each other in the height direction of the holder, the locking piece protruding from the outer surface of the holder in one of the two power storage device modules, and the outer surface of the holder in the other of the two power storage device modules May be shorter than the diameter of the harness.
  • the harness is about to be detached from the support portion due to vibration shock or the like, the harness does not hit the outer surface of the holder and the harness does not come out completely between the pair of locking pieces. Thereby, it is prevented that a harness remove
  • At least two power storage device modules are accommodated in the housing, and the two power storage device modules are arranged so that the outer surfaces of the holders face each other, and the outer surfaces of the holders in the two power storage device modules
  • the support portions provided on the two are opposed to each other, and the locking piece protruding from the outer surface of the holder in one of the two power storage device modules and the locking protrusion protruding from the outer surface of the holder in the other of the two power storage device modules
  • the interval between the pieces may be shorter than the diameter of the harness. In this case, even if the harness is about to be detached from the support portion due to vibration impact or the like, the harness does not hit the other support portion facing each other, and the harness does not completely come out from between the pair of locking pieces. Thereby, it is prevented that a harness remove
  • a power storage device pack capable of improving workability when assembling a harness.
  • FIG. 3 is an exploded perspective view of the battery unit shown in FIG. 2.
  • FIG. 5 is an enlarged cross-sectional view showing a portion including a support portion together with a housing in a modification of the battery pack shown in FIG.
  • FIG. 5 is a plane view sectional view showing roughly a battery pack as a power storage device pack according to a second embodiment.
  • FIG. 1 is a cross-sectional plan view schematically showing a battery pack as a power storage device pack according to the first embodiment.
  • a battery pack 1 (power storage device pack) of this embodiment includes a rectangular box-shaped housing 2 and a plurality of battery modules 3 (power storage device modules) housed in the housing 2. Yes.
  • casing 2 is formed with the metal (for example, iron).
  • casing 2 has the main body wall 2a and the side wall 2b welded to this main body wall 2a.
  • the battery module 3 is fixed to the inner wall surface of the main body wall 2a by a plurality of bolts (not shown).
  • FIG. 2 is a perspective view showing the external appearance of the battery module 3.
  • the battery module 3 includes a battery unit group 5 including a plurality (seven in this case) of battery units 4 arranged in one direction, and a pair of battery units 5 arranged on both sides of the battery unit group 5.
  • An end plate 6 and an elastic member 7 disposed between one end plate 6 and the battery unit 4 are provided.
  • the pair of end plates 6 are connected by a plurality of sets of bolts 8 and nuts (not shown).
  • a control unit 9 is disposed above the battery unit group 5.
  • the end plate 6, the bolt 8, and the nut (not shown) constitute a restraining unit 10 that restrains secondary batteries 11 (described later) of the plurality of battery units 4 in the arrangement direction of the battery units 4.
  • the end plate 6 is made of a highly rigid metal (for example, iron).
  • the end plate 6 is provided with a plurality of insertion holes 6 a through which shaft portions of bolts (not shown) for fixing the battery module 3 to the main body wall 2 a of the housing 2 pass.
  • the elastic member 7 is a flat rubber that absorbs expansion of a secondary battery 11 (described later) of the battery unit 4.
  • Two bolts 8 are arranged above and below the battery module 3.
  • the battery unit 4 includes a secondary battery 11 that is a power storage device, a cell holder 12 that holds the secondary battery 11, and an L-shape that is disposed so as to contact the secondary battery 11. And a heat transfer plate 13.
  • the secondary battery 11 is a lithium ion secondary battery in which an electrode assembly (not shown) is accommodated in a rectangular parallelepiped case 14, for example.
  • the electrode assembly has a structure in which a plurality of positive electrode sheets and a plurality of negative electrode sheets are alternately stacked via separators.
  • a positive electrode terminal 15 and a negative electrode terminal 16 are attached to the upper portion of the case 14 via an insulating ring 17.
  • the positive electrode terminal 15 is electrically connected to the positive electrode sheet.
  • the negative electrode terminal 16 is electrically connected to the negative electrode sheet.
  • the case 14 is filled with an electrolytic solution (not shown).
  • the cell holder 12 is a frame-shaped member that is integrally formed of resin.
  • the cell holder 12 includes a bottom wall portion 18 on which the secondary battery 11 is placed, a pair of side wall portions 19 that are erected from both ends of the bottom wall portion 18 and sandwich the secondary battery 11 in the width direction, and each side wall. It has the connection part 20 which connects the parts 19 mutually.
  • a space surrounded by the bottom wall portion 18, the side wall portion 19, and the connecting portion 20 defines an accommodation region S in which the secondary battery 11 is accommodated.
  • the terminal accommodating part 21 which surrounds a part of the positive electrode terminal 15 and the negative electrode terminal 16 of the secondary battery 11 is provided in the upper part of the both ends of the connection part 20, respectively.
  • Bolt guide portions 22 each having a through hole 22a through which the shaft portion 8a of the bolt 8 passes are provided in the upper portion of the connecting portion 20 on the inner side in the width direction of the terminal accommodating portion 21.
  • Bolt guide portions 23 each having a through hole 23 a through which the shaft portion 8 a of the bolt 8 passes are provided at the lower portions of both end portions of the bottom wall portion 18.
  • the harness 24 includes a power harness connected to the secondary battery 11 and a communication harness connected to the control unit 9.
  • the power harness is an assembly in which a plurality of positive (+) and negative ( ⁇ ) power wires are bundled.
  • the communication harness is an assembly in which a plurality of signal lines are bundled.
  • the support portion 25 projects so as to extend from the outer surface 19 a of the cell holder 12 to the side, and holds the harness 24 in the height direction (vertical direction) of the cell holder 12.
  • a pair of locking pieces 26 is provided.
  • a claw 27 on which the harness 24 is hooked is provided at the tip of each locking piece 26 so as to face each other. This makes it difficult for the harness 24 to come out between the locking pieces 26.
  • the one outer surface 19 a of the cell holder 12 faces the side wall 2 b of the housing 2.
  • the interval P between the locking piece 26 and the side wall 2 b is shorter than the diameter Q of the harness 24.
  • the interval P between the locking piece 26 and the side wall 2b is the distance between the tip of the locking piece 26 and the inner wall surface of the side wall 2b.
  • the plurality of battery units 4 are arranged so that every other support unit 25 is positioned on the opposite side of the battery module 3 in the front-rear direction. That is, the locations of the support portions 25 in the adjacent battery units 4 are opposite to each other in the front-rear direction of the battery modules 3. More specifically, one support portion 25 of the adjacent battery units 4 is located on the front side (side wall 2b side) of the battery module 3, and the other support portion 25 of the adjacent battery units 4 is located behind the battery module 3. It is located on the side (opposite side of the side wall 2b). For this reason, the gap between the tips of the locking pieces 26 in the support portion 25 faces the front side and the back side of the battery module 3.
  • the harness 24 When the harness 24 is assembled to the battery module 3 in a state where the battery module 3 is fixed to the inner wall surface of the main body wall 2a of the housing 2, the harness 24 is attached to the outer surface 19a of the cell holder 12 from the front side of the battery module 3. It moves toward and pushes between a pair of locking pieces 26. Thereby, the harness 24 is supported by the support portion 25.
  • FIG. 5 is an enlarged cross-sectional view showing an example of a conventional support portion.
  • the support portion 50 has an L-shaped locking piece 51 protruding from the outer surface 19 a of the cell holder 12.
  • a claw 52 is provided at the tip of the locking piece 51.
  • a claw-like protrusion 53 on which the harness 24 is hooked in cooperation with the claw 52 is provided on the outer surface 19 a of the cell holder 12 so as to face the claw 52.
  • the harness 24 When the harness 24 is assembled to the battery module 3 having such a support portion 50, the harness 24 is pushed into the support portion 50 from above the battery module 3. For this reason, it is difficult to apply force when the harness 24 is assembled, resulting in a decrease in workability. Further, the harness 24 may be detached from the support portion 50 due to vibration impact or the like.
  • the support portion 25 that supports the harness 24 projects so as to extend from the outer surface 19a of the cell holder 12 to the side, and the harness 24 is sandwiched and locked in the height direction of the cell holder 12.
  • a pair of locking pieces 26 is provided. Therefore, when the harness 24 is assembled to the battery module 3, the harness 24 is moved from the front side of the battery module 3 toward the outer surface 19 a of the cell holder 12 and pushed between the locking pieces 26.
  • the harness 24 can be easily assembled. Thereby, workability
  • the harness 24 hits the side wall 2b and the harness 24 It does not come out completely between the locking pieces 26. Thereby, the harness 24 is prevented from being detached from the support portion 25.
  • FIG. 6 is an enlarged cross-sectional view showing a portion including the support portion 25 in the modification of the battery pack 1 shown in FIG.
  • an elastic body 30 for shock absorption is fixed to the inner wall surface of the side wall 2b of the housing 2, that is, the surface of the side wall 2b facing the outer surface 19b of the cell holder 12.
  • the elastic body 30 sponge or rubber is used.
  • the interval P between the locking piece 26 and the elastic body 30 is shorter than the diameter Q of the harness 24.
  • FIG. 7 is a cross-sectional plan view schematically showing a battery pack as a power storage device pack according to the second embodiment.
  • the battery pack 1 of the present embodiment includes a housing 2 and a plurality of battery modules 3 as in the first embodiment.
  • the battery module 3 is fixed to the inner wall surface of the main body wall 2a and the side wall 2b of the housing 2 by a plurality of bolts (not shown).
  • the plurality of battery modules 3 are arranged so that the outer surfaces 19a of the cell holder 12 face each other as shown in FIG.
  • the support portions 25 provided on the outer surface 19a of the cell holder 12 in the two battery modules 3 facing each other are displaced from each other in the height direction of the cell holder 12.
  • the support portion 25 has a pair of locking pieces 26 as in the first embodiment.
  • the distance P between the locking piece 26 protruding from the outer surface 19a of the cell holder 12 in one of the two battery modules 3 facing each other and the outer surface 19a of the cell holder 12 in the other of the two battery modules 3 is the diameter of the harness 24. Shorter than Q.
  • the harness 24 when the harness 24 is assembled to the battery module 3, the harness 24 is moved from the front side of the battery module 3 toward the outer side surface 19 a of the cell holder 12, and between the locking pieces 26. Therefore, the harness 24 can be easily assembled. Thereby, the workability
  • the harness 24 even if the harness 24 is about to be detached from the support portion 25 due to vibration impact or the like, the harness 24 does not hit the outer surface 19a of the cell holder 12 and the harness 24 does not completely come out from between the locking pieces 26. Thereby, the harness 24 is prevented from being detached from the support portion 25.
  • FIG. 9 is an enlarged cross-sectional view showing a portion including the support portion 25 in the modification of the battery pack 1 shown in FIG. In this modification, the support portions 25 provided on the outer surface 19a of the cell holder 12 in the two battery modules 3 facing each other face each other.
  • the support portion 25 is provided on one outer surface 19a of the cell holder 12.
  • the shape is not particularly limited, and the support portion 25 is provided on both outer surface 19a of the cell holder 12. It may be.
  • the upper and lower two support portions 25 are provided on the outer surface 19 a of the cell holder 12.
  • the shape is not particularly limited, and one support portion 25 is provided on the outer surface 19 a of the cell holder 12. May be provided, or three or more may be provided on the outer surface 19 a of the cell holder 12.
  • the claw 27 to which the harness 24 is hooked is provided at the tip of the pair of locking pieces 26, but such a claw 27 may not be particularly provided. In this case, when the harness 24 is assembled to the battery module 3, the harness 24 can be smoothly pushed between the locking pieces 26.
  • the battery unit 4 has the several cell holder 12 which hold
  • the restraint unit 10 which restrains the several secondary battery 11 to the arrangement direction of the secondary battery 11 is comprised from the end plate 6, the volt
  • the form is not limited, and a rubber band or the like may be used instead of the bolt 8 and the nut.
  • a plurality of battery modules 3 are accommodated in the housing 2, but the number of battery modules 3 accommodated in the housing 2 is not particularly limited thereto.
  • the number of battery modules 3 accommodated in the housing 2 may be one.
  • the number of battery modules 3 accommodated in the housing 2 may be at least two.
  • the said embodiment is the battery pack 1 provided with the battery module 3 which has secondary batteries 11, such as a lithium ion secondary battery
  • secondary batteries 11 such as a lithium ion secondary battery
  • the present invention can also be applied to a power storage device pack including a power storage device module having a power storage device such as an electric double layer capacitor or a lithium ion capacitor.
  • a power storage device pack capable of improving workability when assembling a harness is provided.
  • SYMBOLS 1 Battery pack (electric storage device pack), 2 ... Housing, 2b ... Side wall (wall), 3 ... Battery module (electric storage device module), 10 ... Restraint unit, 11 ... Secondary battery (electric storage device), 12 ... Cell holder (Holder), 19a ... outer surface, 24 ... harness, 25 ... support, 26 ... locking piece, 30 ... elastic body.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Battery Mounting, Suspending (AREA)
  • Electric Double-Layer Capacitors Or The Like (AREA)
PCT/JP2017/012893 2016-04-08 2017-03-29 蓄電装置パック WO2017175636A1 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2016078312A JP6658233B2 (ja) 2016-04-08 2016-04-08 蓄電装置パック
JP2016-078312 2016-04-08

Publications (1)

Publication Number Publication Date
WO2017175636A1 true WO2017175636A1 (ja) 2017-10-12

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ID=60001140

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2017/012893 WO2017175636A1 (ja) 2016-04-08 2017-03-29 蓄電装置パック

Country Status (2)

Country Link
JP (1) JP6658233B2 (enrdf_load_stackoverflow)
WO (1) WO2017175636A1 (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPWO2023188221A1 (enrdf_load_stackoverflow) * 2022-03-30 2023-10-05

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4300689A4 (en) * 2021-02-25 2025-01-29 Honda Motor Co., Ltd. BATTERY PACK

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013084595A (ja) * 2011-09-29 2013-05-09 Lithium Energy Japan:Kk 組電池
JP2014107213A (ja) * 2012-11-29 2014-06-09 Toyota Industries Corp 電池パック
JP2014186792A (ja) * 2013-03-21 2014-10-02 Toyota Industries Corp 電池パック
JP2015049932A (ja) * 2013-08-29 2015-03-16 古河電気工業株式会社 電池パックの電池内配線モジュール
JP2015225817A (ja) * 2014-05-29 2015-12-14 株式会社豊田自動織機 電池モジュール及び電池パック
JP2015230798A (ja) * 2014-06-04 2015-12-21 株式会社豊田自動織機 電池モジュール及び電池パック

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013084595A (ja) * 2011-09-29 2013-05-09 Lithium Energy Japan:Kk 組電池
JP2014107213A (ja) * 2012-11-29 2014-06-09 Toyota Industries Corp 電池パック
JP2014186792A (ja) * 2013-03-21 2014-10-02 Toyota Industries Corp 電池パック
JP2015049932A (ja) * 2013-08-29 2015-03-16 古河電気工業株式会社 電池パックの電池内配線モジュール
JP2015225817A (ja) * 2014-05-29 2015-12-14 株式会社豊田自動織機 電池モジュール及び電池パック
JP2015230798A (ja) * 2014-06-04 2015-12-21 株式会社豊田自動織機 電池モジュール及び電池パック

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPWO2023188221A1 (enrdf_load_stackoverflow) * 2022-03-30 2023-10-05
WO2023188221A1 (ja) * 2022-03-30 2023-10-05 ビークルエナジージャパン株式会社 組電池
EP4386956A4 (en) * 2022-03-30 2025-03-19 Vehicle Energy Japan Inc. BATTERY PACK

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JP2017188396A (ja) 2017-10-12
JP6658233B2 (ja) 2020-03-04

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