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公开(公告)号：US20230125441A1
公开(公告)日：2023-04-27
申请号：US17905525
申请日：2020-11-19
发明人： HIROAKI KITA , TAKASHI INAMURA , YASUMASA KOJIMA
摘要： Voltage detection line (6) includes: first flexible printed circuit board (36) including a plurality of first conductive wires (42) and first insulating film (44) covering the plurality of first conductive wires (42); second flexible printed circuit board (38) including a plurality of second conductive wires (46) and second insulating film (48) covering the plurality of second conductive wires (46); and connection part (40) that is soldered to each of first conductive wires (42) and each of second conductive wires (46) corresponding to each other to electrically connect the plurality of first conductive wires (42) and the plurality of second conductive wires (46), in which the plurality of first conductive wires (42) and the plurality of second conductive wires (46) are electrically connected to a plurality of batteries to detect voltages of the plurality of batteries.
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公开(公告)号：US20210384589A1
公开(公告)日：2021-12-09
申请号：US17286032
申请日：2019-09-02
发明人： YASUMASA KOJIMA , HIROYUKI MIHARA
IPC分类号： H01M50/505 , H01M50/204 , H01M50/569 , H01M10/48
摘要： A method for producing busbar includes a step of applying pressure to pressure-weld a plurality of electric wires in a plurality of first regions in a bundle of the plurality of electric wires, the first regions being arranged at a predetermined interval in the extending direction of the bundle, to form a plurality of terminal joints that are joined to the output terminals of the respective batteries.
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3.发明申请公开(公告)号：US20220131236A1
公开(公告)日：2022-04-28
申请号：US17438519
申请日：2019-08-26
发明人： HIROAKI KITA , TAKASHI INAMURA , YASUMASA KOJIMA
IPC分类号： H01M50/505 , H02J7/00 , B60L50/51 , B60L50/60 , H01M50/503 , H01M50/209 , H01M50/249 , H01M10/42 , H01M10/0525
摘要： To weld a bus bar and an electrode terminal with certainty by bringing the bus bar and the electrode terminal into close contact with each other without forming a gap between the bus bar and the electrode terminal, provided is a power supply device that is a power supply device including a plurality of battery cells electrically connected with each other by bus bar (3). The power supply device has a structure where bus bar (3) includes: rod (4) having conductivity and extending in an arrangement direction of the battery cells; and arm (5) being elastically deformable and being connected to rod (4), arm (5) is configured such that distal end (5x) of arm (5) is welded to an electrode terminal of the battery cell, and rear end (5y) of arm (5) is connected to rod (4) so as to electrically connect the plurality of battery cells to each other via the rod, arm (5) is formed of a conductive plate that is elastically deformable, deformation gap (6) extending from rear end (5y) toward a distal end is formed between arm (5) and rod (4), and arm (5) is elastically deformable so as to displace distal end (5x) to be welded to the electrode terminal.
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公开(公告)号：US20220214402A1
公开(公告)日：2022-07-07
申请号：US17603619
申请日：2020-04-20
IPC分类号： G01R31/3835 , H01M10/48
摘要： Provided is a voltage detection line including conductive wire and insulating film covering conductive wire, and detecting voltage of a battery in order to suppress reconduction of a disconnected voltage detection line. Conductive wire includes low-resistance part having a predetermined electrical resistance value, and high-resistance part having a higher electrical resistance value than an electrical resistance value of low-resistance part and fusing when an overcurrent flows through conductive wire. Insulating film includes high-strength part that covers low-resistance part and has a predetermined strength, and low-strength part that covers high-resistance part and has a strength lower than a strength of high-strength part.
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公开(公告)号：US20220214400A1
公开(公告)日：2022-07-07
申请号：US17603616
申请日：2020-04-20
发明人： YASUMASA KOJIMA , HIROYUKI MIHARA
IPC分类号： G01R31/36 , G01R31/3835 , H01M10/48 , H01M50/50 , H01M50/543
摘要： Voltage detection line includes conductive wire, and tab terminal that electrically connects bus bar electrically connected to output terminal of the battery and conductive wire. Support plate includes base plate on which voltage detection line is placed, and position restricting structure of tab terminal. Position restricting structure includes receiving surface part against which tab terminal abuts, and biasing part that pushes tab terminal toward receiving surface part.
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