WO2013090649A1 - Battery connector system - Google Patents

Battery connector system Download PDF

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Publication number
WO2013090649A1
WO2013090649A1 PCT/US2012/069612 US2012069612W WO2013090649A1 WO 2013090649 A1 WO2013090649 A1 WO 2013090649A1 US 2012069612 W US2012069612 W US 2012069612W WO 2013090649 A1 WO2013090649 A1 WO 2013090649A1
Authority
WO
WIPO (PCT)
Prior art keywords
fuse
connector
battery
tray
coupled
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/US2012/069612
Other languages
English (en)
French (fr)
Other versions
WO2013090649A8 (en
Inventor
Weiping Zhao
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
TE Connectivity Corp
Original Assignee
Tyco Electronics Corp
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 Tyco Electronics Corp filed Critical Tyco Electronics Corp
Priority to JP2014547455A priority Critical patent/JP6140727B2/ja
Priority to KR1020147016266A priority patent/KR101621182B1/ko
Priority to CN201280061552.2A priority patent/CN104081559B/zh
Priority to EP12809492.7A priority patent/EP2791997B1/en
Publication of WO2013090649A1 publication Critical patent/WO2013090649A1/en
Anticipated expiration legal-status Critical
Publication of WO2013090649A8 publication Critical patent/WO2013090649A8/en
Ceased legal-status Critical Current

Links

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
    • H01M50/50—Current conducting connections for cells or batteries
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
    • H01M10/486—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte for measuring temperature
    • 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
    • H01M50/204—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
    • H01M50/211—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape adapted for pouch 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
    • H01M50/507—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing comprising an arrangement of two or more busbars within a container structure, e.g. busbar modules
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/50—Current conducting connections for cells or batteries
    • H01M50/502—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing
    • H01M50/519—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing comprising printed circuit boards [PCB]
    • 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
    • H01M50/528—Fixed electrical connections, i.e. not intended for disconnection
    • 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
    • H01M50/531—Electrode connections inside a battery casing
    • 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
    • H01M50/543—Terminals
    • 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
    • H01M50/581—Devices or arrangements for the interruption of current in response to temperature
    • 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
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/66—Structural association with built-in electrical component
    • H01R13/68—Structural association with built-in electrical component with built-in fuse
    • H01R13/684—Structural association with built-in electrical component with built-in fuse the fuse being removable
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/73—Means for mounting coupling parts to apparatus or structures, e.g. to a wall
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R9/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, e.g. terminal strips or terminal blocks; Terminals or binding posts mounted upon a base or in a case; Bases therefor
    • H01R9/22—Bases, e.g. strip, block, panel
    • H01R9/226—Bases, e.g. strip, block, panel comprising a plurality of conductive flat strips providing connection between wires or components
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M2200/00—Safety devices for primary or secondary batteries
    • H01M2200/10—Temperature sensitive devices
    • H01M2200/103—Fuse
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M2220/00—Batteries for particular applications
    • H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
    • 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 subject matter herein relates generally to battery connector systems.
  • Batteries such as those for electric vehicles or hybrid vehicles, typically include a plurality of cells grouped together as battery modules. The modules are connected together to form battery packs. Each of the cells include positive and negative tabs that are electrically connected together. Typically, busbars are welded to the cell tabs for sensing the voltage of the cells. A central or de-central battery management system is connected to the busbars for sensing and managing the battery cells.
  • the fusing presents many challenges including difficulty servicing the fuse, difficulty resetting the fuse, a complex arrangement with many parts and integrating other components such as a thermistor.
  • a battery connector system as disclosed herein including a tray assembly configured to be mounted to a battery module made from a plurality of battery cells.
  • the tray assembly has a tray and a plurality of busbars held by the tray.
  • the tray has a tray connector defining a mating interface being configured to mate with an electrical connector.
  • the busbars are coupled to the tray and have plates being configured to be electrically connected to corresponding cell tabs of the battery cells.
  • the busbars have fuse terminals positioned in the tray connector.
  • a plurality of fuses are coupled to the fuse terminals. The fuses are connected between the plates of the busbars and the electrical connector.
  • Figure 1 illustrates a battery connector system formed in accordance with an exemplary embodiment with a wire harness connector
  • Figure 2 shows the battery connector system with a circuit board connector.
  • Figure 3 is an exploded view of the battery connector system showing a tray assembly poised for mounting to a battery module.
  • Figure 4 illustrates a serviceable fuse for the battery connector system.
  • Figure 5 illustrates a thermistor assembly for the battery connector system.
  • Figure 6 is a top perspective view of a portion of the tray assembly.
  • Figure 7 is a side perspective view of an intermediate busbar of the tray assembly.
  • Figure 8 is an exploded perspective view of a busbar array of the tray assembly.
  • Figure 9 is a top perspective view of a portion of the battery connector system.
  • Figure 10 illustrates a wire harness terminal for the wire harness connector.
  • Figure 11 is an exploded view of the battery connector system formed in accordance with an exemplary embodiment.
  • Figure 12 illustrates a portion of the battery connector system.
  • Figure 13 illustrates a thermistor board terminal of the battery connector system.
  • Figure 14 illustrates a board terminal for the circuit board connector.
  • Figure 15 is a top perspective view of the circuit board connector.
  • Figure 16 is a bottom perspective view of a portion of the circuit board connector.
  • Figure 17 is an exploded perspective view of the battery connector system formed in accordance with an exemplaiy embodiment.
  • Figure 18 illustrates a portion of the battery connector system.
  • Figure 19 is an exploded view of the battery connector system.
  • Figure 20 is a side perspective view of an intermediate busbar formed in accordance with an exemplary embodiment for the battery connector system.
  • Figure 21 is a side perspective view of the intermediate busbar with resettable fuses.
  • Figure 22 shows a busbar array with resettable fuses for the battery connector system.
  • Figure 23 is a top perspective view of a portion of the battery connector system with resettable fuses.
  • Figure 24 is an exploded view of the battery connector system formed in accordance with an exemplary embodiment.
  • Figure 25 illustrates a portion of the battery connector system.
  • Figure 26 is an exploded view of the battei y connector system formed in accordance with an exemplary embodiment.
  • Figure 27 illustrates a portion of the battery connector system.
  • Current battery modules contain a series of battery cells. Typically the cells are aligned in parallel. Each cell has a positive and negative terminal. Typically busbars are welded to the cell terminals to sense the voltage so that the control system can sense and control the battery cell.
  • the controller may be directly attached or connected to the battery module with a printed circuit board connector or, the controller may be remotely located and connected to the batteiy module with a wire harness connector.
  • a sensing circuit is established between the battery cell busbars and the controller. Each sensing circuit is protected by a fuse.
  • Embodiments described herein provide a fused battery connector system with a serviceable or resettable fuse.
  • Embodiments described herein are designed to function in a centralized battery management system or a decentralized batteiy management system.
  • the fused battery connector system can be used with a directly connected controller part of a printed circuit board (PCB) connector that is directly connected to the battery module as part of a decentralized batteiy management system.
  • PCB printed circuit board
  • Other embodiments of the fused battery connector system can be used with a remotely connected controller using a wire harness connector that is connected to the battery module as part of a centralized battery management system.
  • the system comprises industry standard 42V mini fuses or circuit breakers.
  • Embodiments described herein provide the ability to service the fuses.
  • the system comprises industiy standard resettable fuses such as a polymer resettable fuse.
  • the battery connector system may be used in any application that uses batteries.
  • the battery connector system is used in a vehicle, such as an electric vehicle or a hybrid electric vehicle.
  • Embodiments described herein may include components described in co -pending application US serial No, 13/278,775 which is incorporated herein by reference.
  • the battery connector system may utilize a universal or modular tray assembly that is capable of connecting to different types of electrical connectors, such as to a wire harness connector or a circuit board connector, depending on the customer's end use application.
  • the electrical connector connects the battery module to a battery management system or controller that performs battery management functions, such as monitoring and/or controlling the operation of the components of the battery connector system and/or the battery module.
  • the control may be performed at the battery module, such as by directly connecting a circuit board connector having the controller thereon or coupled thereto to the battery module.
  • the controller may be remotely connected to the battery management system by a wire harness connector having one or more cables each having one or more wires routed to a centralized location, such as for managing multiple battery modules.
  • FIG. 1 illustrates a battery connector system 100 formed in accordance with an exemplary embodiment.
  • the battery connector system 100 is a fused battery connector system 100 using fuses to provide current protection circuits for the battery management system.
  • the battery connector system 100 includes one or more battery modules 102, a tray assembly 104 coupled to each battery module 102 and an electrical connector 106 electrically coupled to each tray assembly 104.
  • the electrical connector 106 is a wire harness connector having a plurality of cables and or wires extending therefrom and may be referred to hereinafter as a wire harness connector 106! "
  • the battery connector system 100 may be utilized with another type of electrical connector, such as a circuit board connector 116 (shown inn Figure 2).
  • a circuit board connector 116 shown inn Figure 2.
  • the same tray assembly 104 is able to connect to either the wire harness connector 106 or the circuit board connector 116.
  • the same components are usable with either type of connector 106, 116, making a robust and flexible battery connector system design.
  • the battery connector system 100 includes at least one external battery connection 108 configured to be connected to a power connector 110 (represented schematically in Figure 1).
  • the power connector 110 may be coupled to another battery module or another power source or component within the battery connector system 100.
  • the electrical connector 106 is connected to a battery management system 112 (represented schematically in Figure 1) that monitors and/or controls the operation of the components of the battery connector system 100.
  • the electrical connector 106 may be connected to the battery management system 112 by one or more cables each having one or more wires.
  • the battery management system 112 is a centralized system that manages the individual battery modules 102 from such central location.
  • FIG 2 shows the batteiy connector system 100 with another electrical connector 116 coupled to the tray assembly 104.
  • the electrical connector 116 is a circuit board connector, as opposed to the wire harness connector 106 (shown in Figure 1).
  • the electrical connector 116 may be referred hereinafter as a circuit board connector 11 .
  • the electrical connector 116 allows for decentralized control by having monitoring and/or control elements built into the electrical connector 116 as opposed to having the monitoring and control functions performed by the battery management system 112. One or more battery management functions may be performed by the circuit board connector 116.
  • the electrical connector 116 may also be connected to the battery management system 112 for overall health monitoring and/or control of the battery connector system 100, while still allowing some monitoring and/or control functions built into the electrical connector 116.
  • a cable mounted plug (not shown) may be coupled to an external connector 118 of the electrical connector 116, and the cable routed to the battery management system 112.
  • both the circuit board connector 116 and the wire harness connector 106 may be coupled to the same tray assembly 104.
  • the tray assembly 104 allows for selective coupling of different types of electrical connectors (e.g., the circuit board connector 116, the wire harness connector 106, or other types of electrical connectors) thereto.
  • the tray assembly 104 allows for inte changeability between systems that use decentralized control with the circuit board connector 116 and systems that use centralized control with the wire harness connector 106.
  • the same components can be used for the battery modules 102 irrespective of using the wire harness connector 106 or the circuit board connector 116.
  • the tooling cost for the battery connector system 100 may be reduced by utilizing the tray assembly 104 to connect with both the wire harness connector 106 and the circuit board connector 116.
  • the battery connector system 100 may measure the battery health of the battery module 102.
  • the battery connector system 100 may measure the battery status of the battery module 102.
  • the battery connector system 100 may monitor for overvoltage and/or low voltage situation with the battery module 102.
  • the battery connector system 100 may monitor the temperature of the battery module 102.
  • the battery connector system 100 may perform a balancing function for the battery module 102.
  • the battery connector system 100 may manage charging functions of the battery module 102. Such monitoring and/or control functions may be performed by the battery management system 112 and/or the circuit board connector 116.
  • Figure 3 is an exploded view of the battery connector system 100 showing the tray assembly 104 poised for mounting to the battery module 102.
  • the battery module 102 includes a plurality of battery cells 120 housed within a container 122.
  • the battery cells 120 may be an type of battery cells.
  • the battery cells 120 may be pouch battery cells or prismatic battery cells. Other types of battery cells may be used in alternative embodiments.
  • the battery cells 120 may be narrow plates arranged in a stacked configuration.
  • any number of battery cells 120 may be provided in the battery module 102.
  • the battery cells 120 have a top 124, Each battery cell 120 includes two cell tabs 126.
  • the cell tabs 126 extend from the top 124 of the battery cells 120.
  • One cell tab 126 defines a positive tab while the other cell tab 126 defines a negative cell tab.
  • the battery cells 120 may be arranged such that the positive cell tabs of adjacent battery cells 120 are adjacent one another and/or engage one another and such that the negative cells tabs of adjacent battery cells are adjacent one another and/or engage one another.
  • all battery cell positive and negative tabs are flipped back and forth such that one positive cell tab is aligned with its adjacent negative cell tab.
  • the battery cells are configured as a series circuit.
  • a gap 128 is provided between two groups of cell tabs 126.
  • the first group of cell tabs 126 is provided between the gap 128 and a first side 130 of the. battery module 102.
  • the second group of cell tabs 126 is provided between the gap 128 and a second side 132 of the battery module 102. Portions of the tray assembly 104 are positioned and aligned with the gap 128 when assembled.
  • the cell tabs 126 are thin rectangular tabs that extend from the top 124.
  • the cell tabs 126 may have other shapes in alternative embodiments.
  • the cell tabs 126 are planar, however the cell tabs 126 may be nonplanar in alternative embodiments.
  • the tray assembly 104 is configured to be mounted to the top of the battery module 102, The tray assembly 104 is configured to be mounted over the cell tabs 126.
  • the cell tabs 126 are configured to extend through the tray assembly 104 to be electrically connected to components of the tray assembly 104.
  • the tray assembly 104 includes a tray 134 and a plurality of busbars 135, 136 held by the tray 134.
  • the busbars 135 represent post busbars 135 having posts defining the external battery connections 108 (shown in Figure 1), while the busbars 136 represent intermediate busbars 136 positioned between the post busbars 135.
  • Each of the busbars 135, 136 are configured to be connected to the battery management system 112 (shown in Figure 1).
  • Each of the busbars 135, 136 are configured to be connected to a fused circuit for current protection for the battery management system 112.
  • the tray assembly 104 includes a tray connector 138 configured to mate with the wire harness connector 106 (shown in Figure 1) or the circuit board connector 116 (shown in Figure 2).
  • the tray connector 138 defines a mating interface configured to mate with either the wire harness connector 106 or the circuit board connector 116, depending on the particular application.
  • Portions of the busbars 135, 136 are configured to be located in, and define portions of, the tray connector 138 for electrical connection to the wire harness connector 106 or the circuit board connector 116.
  • Portions of the busbars 135, 136 are positioned exterior of the tray connector 138 and are configured to be electrically connected to corresponding cell tabs 126.
  • the busbars 135, 136 may be welded or joined to the cell tabs 126.
  • the busbai's 135, 136 create an electrical path between the battery cells 120 and the wire harness connector 106 or the circuit board connector 116.
  • the busbars 135, 136 form part of a fused electrical path that provides circuit protection using a serviceable fuse 140 (shown in Figure 4).
  • Other types of fused systems may be used in alternative embodiments, such as resettable fuses integrated into the busbai's or between the busbars and the other components of the battery management system 112.
  • the tray assembly may provide an interface for a thermistor assembly 144 (shown in Figure 5) with the electrical connectors 106, 116.
  • FIG 4 illustrates a serviceable fuse 140.
  • the fuse 140 may be an industry standard 42V mini fuse, however other types of fuses or circuit breakers may be used in alternative embodiments.
  • the fuse 140 includes a generally rectangular body 141.
  • First and second fuse blades 142 extend from the body 141.
  • the fuse 140 may be plugged into the system and removed and replaced once damaged or blown.
  • FIG. 5 illustrates the thermistor assembly 144 that is used to monitor a temperature of the battery module 102.
  • the .thermistor assembly 144 includes a thermistor sensor 145 that is configured to engage one or more battery cells 120 (shown in Figure 3) to monitor the temperature of such battery cell(s) 120.
  • the thermistor sensor may span across the tops 124 of multiple battery cells 120. Alternatively, the thermistor sensor may extend between two adjacent battery cells 120.
  • the thermistor sensor may be thin and flexible to allow for easy placement along the corresponding battery cells 120.
  • the thermistor assembly 144 includes thermistor contacts 146 electrically connected to the thermistor sensor.
  • the thermistor contacts 146 are configured to be coupled to the tray assembly 104 for electrical connection to the wire harness connector 106 (shown in Figure 1) or the circuit board connector 116 (shown in Figure 2) when such electrical connectors are mated to the tray assembly 104.
  • the thermistor contacts 146 may be of any type and have any shape configured for making an electrical connection with the electrical connectors 106, 116.
  • the thermistor contacts 146 are connected to the thermistor sensor by wires 148 extending therebetween. Alternatively, the thermistor contacts 146 may be coupled to the thermistor sensor by other means, such as a direct electrical connection. Optionally, the thermistor contacts 146 may be integral with the thermistor sensor. Any number of thermistor contacts 146 may be connected to the thermistor sensor. The thermistor assembly 144 may include any number of thermistor sensors. [0057] Figure 6 is a top perspective view of the tray 134 of the tray assembly 104 (shown in Figure 3). The tray 134 includes a base 150 that extends between first and second sides 152, 154 of the tray 134.
  • the base 150 is manufactured from a dielectric material, such as a plastic material.
  • the base 150 extends between first and second edges 156, 158 of the tray 134.
  • the base 150 is generally rectangular in shape, however the base 150 may have other shapes in alternative embodiments.
  • the first and second sides 152, 154 extending generally parallel to one another, however the first and second sides 152, 154 may be non-parallel in alternative embodiments.
  • the first and second edges 156, 158 extend parallel to one another, however the first and second edges 156, 158 may be non-parallel in alternative embodiments.
  • the base 1 0 extends along a longitudinal axis 160 that is parallel to the first and second edges 156, 158.
  • the tray connector 138 is generally centrally located along the longitudinal axis 160 between the first and second sides 152, 154.
  • the tray connector 138 may extend entirely across the base 150 between the first and second edges 156, 158.
  • the tray connector 138 may be positioned along other portions of the base 150 in alternative embodiments.
  • a plurality of channels 162 extend through the base 150.
  • the channels 162 are elongated in the direction of the longitudinal axis 160.
  • the channels 162 extend entirely through the base 150.
  • the channels 162 are configured to receive the cell tabs 126 (shown in Figure 3) when the tray 134 is mounted to the battery module 102.
  • the channels 162 may receive portions of the busbars 135, 136 (shown in Figure 3).
  • the channels 162 are provided on both sides of the tray connector 138, such as between the tray connector 138 and the first side 152 and between the tray connector 138 and the second side 154.
  • the channels 162 are sized and shaped to receive the cell tabs 126 and/or the busbars 135, 136.
  • the tray connector 138 includes shroud walls 168 extending upward from the base 150.
  • the shroud walls 168 define a plurality of chambers 170.
  • the chambers 170 have open tops 172 that are configured to receive the wire harness connector 106 (shown in Figure 1) or the circuit board connector 116 (shown in Figure 2).
  • the chambers 170 are rectangular in cross- section, however the chambers 170 may have different shapes in alternative embodiments.
  • the chambers 170 are arranged in two rows that extend parallel to the first and second sides 152, 154.
  • FIG. 7 is a side perspective view of the intermediate busbar 136.
  • the busbar 136 includes a main body 200 extending between a first end 202 and a second end 204.
  • the busbar 136 has a first side 206 and a second side 208.
  • the first and second sides 206, 208 may be generally planar.
  • the first and second sides 206, 208 may be generally parallel to one another.
  • the busbar 136 may be stamped and formed.
  • the busbar 136 includes a fuse terminal 210 at the first end 202.
  • the fuse terminal 210 may be located remote from the first end 202 in alternative embodiments.
  • the busbar 136 includes main section or plate 212 defined by the main body 200.
  • the plate 212 may be provided at the second end 204.
  • the plate 212 is configured to be directly electrically connected to the cell tabs 126 (shown in Figure 3).
  • the fuse terminal 210 may be oriented perpendicular to the plate 212.
  • the fuse terminal 210 constitutes a fork terminal 210 having a slot 214 configured to receive the fuse blade 142 of the fuse 140 (both shown in Figure 4).
  • the fuse terminal 210 may be a blade terminal or have other terminal forms.
  • the fuse terminal 210 has a top end 216 and a bottom end 218.
  • the slot 214 extends from the top end 216 defining first and second legs 217.
  • Tabs 219 extend from each first and second leg 217 adjacent the top end 216.
  • the fuse terminal 210 is configured to be received within the tray connector 138 (shown in Figure 1) and is configured to receive the fuse blade 142.
  • the busbar 136 includes a plurality of locating features 224 configured to locate the busbar 136 with respect to the tray 134 (shown in Figure 3).
  • the locating features 224 may be used to hold the vertical and/or horizontal position of the busbar 136 with respect to the tray 134.
  • the busbar 136 includes a necked portion 228 proximate to the fuse terminal 210.
  • the necked portion 228 is thinner than the main body 200.
  • the necked portion 228 allows the busbar 136, in the area of the necked portion 228, to be more flexible than other portions of the busbar 136.
  • the necked portion 228 allows the fuse terminal 210 to move side-to-side, such as to locate the fuse terminal 210 for mating with the wire harness connector 106 or the circuit board connector 116.
  • Figure 8 is an exploded perspective view of a busbar array including the post busbars 135, intermediate busbars 136 and integrated thermistor assembly 144.
  • the post busbars 135 define the external battery connections 108 for the battery connector system.
  • the intermediate busbars 136 are located between the post busbars 135.
  • the post busbar 135 includes a main body 240 extending between a first end 242 and a second end 244.
  • the main body 240 may be defined by a post section 246 and a terminal section or fuse terminal 248.
  • the post section 246 is provided at the second end 244.
  • the fuse terminal 248 is provided at the first end 242.
  • the post section 246 defines the external battery connection 108.
  • the fuse tenminal 248 defines the mating portion of the busbar 135 with the fuse 140 and/or other electrical connectors, such as the wire harness connector 106 (shown in Figure 1) or the circuit board connector 116 (shown in Figure 2).
  • the post section 246 includes a plate 250.
  • the plate 250 is configured to be directly electrically connected to the cell tabs 126 (shown in Figure 3).
  • the fuse terminal 248 may be oriented perpendicular to the plate 250.
  • the fuse terminal 248 constitutes a fork terminal 248 having a slot 254 configured to receive the fuse blade 142 of the fuse 140 (both shown in Figure 4).
  • the fuse terminal 248 may be a blade terminal or have other terminal forms.
  • the fuse terminal 248 has a top end 256 and a bottom end 258.
  • the slot 254 extends from the top end 256 defining first and second legs 257.
  • Tabs 2 9 extend from each first and second leg 257 adjacent the top end 256.
  • the fuse terminal 248 is configured to be received within the tray connector 138 (shown in Figure 1) and is configured to receive the fuse blade 142.
  • Figure 9 is a top perspective view of a portion of the battery connector system 100 showing the tray assembly 104 coupled to the battery module 102.
  • the fuse terminals 210, 248 extend through the shroud walls 168 of the tray connector 138 for mating with the fuses 140 (shown in Figure 4).
  • the fuses 140 may be removably coupled to the tray 134.
  • the thermistor contacts 146 extend through the tray connector 138 and are configured to be mated with the selected wire harness connector 106 or the circuit board connector 116.
  • the busbars 135, 136 are coupled to the tray 134 prior to the tray assembly 104 being coupled to the battery module 102.
  • the busbars 135, 136 are located in the channels 162 and held in the tray 134 such that the busbars 135, 136 can be moved slightly relative to the tray 134, such as to adjust the horizontal position of the busbars 135, 136 relative to the tray 134.
  • the tray assembly 104 is coupled to the top of the battery module 102 such that the cell tabs 126 extend through corresponding channels 162.
  • the busbars 135, 136 extend along, and engage, corresponding cell tabs 126.
  • the busbars 135, 136 are electrically connected to corresponding cell tabs 126.
  • the busbars 135, 136 may be welded to the cell tabs 126.
  • the busbars 135, 136 may be ultrasonic ally welded to the cell tabs 126.
  • the busbars 135, 136 may be electrically connected to the cell tabs 126 by other means or processes in alternative embodiments, such as by using a mechanical interference via a deflectable spring beam, by riveting or staking, or by other processes. Having the busbars 135, 136 held and pre-positioned by the tray 134 reduces the effects of vibration of the busbars 135," 136 relative to the cell tabs 126, which can prolong the connection between the busbars 135, 136 and the cell tabs 126.
  • Figure 10 illustrates a wire harness terminal 300 for the wire harness connector 106 (shown in Figure 1).
  • the terminal 300 includes a body 302 having a mating end 304 and a terminating end 306.
  • the mating end 304 is configured to be mated with a corresponding fuse blade 142 (shown in Figure 4), and thus the wire harness terminal 300 defines a fuse terminal and may be referred to hereinafter as a fuse terminal 300.
  • the terminating end 306 is configured to be terminated to a wire 308.
  • the terminating end 306 may be crimped to the wire 308.
  • the terminating end 306 may be terminated to the wire 308 by other means or processes in alternative embodiments, such as by soldering, insulation displacement and the like.
  • the body 302 may be a two piece body.
  • the wire harness terminal 300 includes beams 318 having mating interfaces configured to engage the fuse blade 142.
  • the beams 318 oppose one another and are deflectable.
  • the wire harness terminal 300 includes stiffeners 320 positioned outside of the beams 318.
  • the stiffeners 320 engage the beams 318 and impart an inward normal force against the beams 318 forcing the beams 318 towards one another.
  • the stiffeners 320 force the beams 318 against the corresponding fuse blade 142.
  • the mating end 304 is open- sided having open sides 322, 324 between the beams 318. The open sides 322, 324 allow the fuse blade 142 to extend outward through the open side 322 and/or 324.
  • Figure 11 is an exploded view of the battery connector system 100 formed in accordance with an exemplary embodiment.
  • Figure 11 illustrates the wire harness connector 106 poised for mounting to the tray assembly 104 on the battery module 102.
  • the battery connector system 100 shown in Figure 11 includes the battery module 102, the tray assembly 104, the wire harness connector 106, a plurality of the wire harness terminals 300, the thermistor assembly 144, a plurality of the fuses 140 and a fuse cover 326.
  • the wire harness connector 106 is configured to be coupled to the tray assembly 104.
  • the wire harness connector 106 includes a housing 328 configured to be coupled to the tray assembly 104 and an insert 330 received in the housing 328.
  • the insert 330 holds the wire harness terminals 300 and corresponding wires.
  • the insert 330 extends between a mating end 332 and a wire end 334.
  • the mating end 332 is configured to be mated with the tray connector 138.
  • the insert 330 has a plurality of openings 336 extending through the insert 330 between the mating end 332 and the wire end 334.
  • the openings 336 receive the wire harness terminals 300.
  • the wire harness terminals 300 are loaded into the openings 336 through the mating end 332.
  • the insert 330 includes a plurality of towers 338.
  • the towers 338 are separated by spaces 340.
  • Each tower 338 has a corresponding opening 336.
  • the wire harness terminals 300 are received in corresponding towers 338.
  • the towers 338 are loaded into corresponding chambers 170 of the tray connector 138.
  • the spaces 340 are sized and located to receive corresponding shroud walls 1 8 when the towers 338 are received in the chambers 170.
  • the fuses 140 are configured to be loaded into the inseit 330 to mate with the wire harness terminals 300 and the fuse terminals 210, 248.
  • the fuses 140 are removable from the insert 330, such as to replace damaged or blown fuses.
  • the fuse cover 326 is configured to be coupled to the insert 330 to cover the fuses 140.
  • the cover 326 is removable to service the fuses 140, such as to replace blown fuses.
  • Figure 12 illustrates a portion of the battery connector system 100 showing the assembly of the fuses 140 and the fuse terminals 210, 248, 300.
  • the fuse blades 142 of the fuses 140 are mated with both the wire harness terminals 300 and the fork terminals 210, 248 of the busbars 135, 136.
  • the fuses 140 are assembled into the fused battery connector system 100 to protect the sensing connection between the battery module 102 and the control module, such as the battery management system 112 (shown in Figure 1).
  • the fuses 140 are located in the fused paths defined between the cell tab 126/associated plate 212, 250 and the electrical connector 106, which includes the fuse terminals 300 defined by the wire harness terminals 300. Each fused path passes through the corresponding fuse 140.
  • a first fuse blade 142 is fit within the slot 211 of the fork terminal 210 of the busbar 136.
  • the second fuse blade 142 is fit within the mating end 304 of the wire harness terminal 300.
  • sensing current flows from the battery cell tab 126 passing through the busbars 135, 136, through the fork terminals 210, 248, through the corresponding fuse 140, through the wire harness terminal 300 and passes to the wire harness connector 106.
  • the wire harness connector 106 is then mated to an external sensor management circuit, such as part of the battery management system 112.
  • Figure 13 illustrates a thermistor board terminal 400 for the circuit board connector 1 16 (shown in Figure 2).
  • the thermistor board terminal 400 may be similar to the wire harness terminal 300 (shown in Figure 10), however the terminal 400 may have a different terminating end 406 than the terminating end 306 (shown in Figure 11).
  • the thermistor board terminal 400 is configured to be terminated to a circuit board rather than a wire, such as using a compliant pin or compliant portion at the terminating end 406 or soldering.
  • FIG 14 illustrates a board terminal 410 for the circuit board connector 116 (shown in Figure 2).
  • the board terminal 410 includes a mounting end 412 and a terminal end 414.
  • the mounting end 412 includes one or more pins 416 to mount to a circuit board.
  • numerous alternative configurations and methods of attaching the board terminal 410 to a circuit board would be suitable.
  • the terminal end 414 includes a fork terminal 418 similar to fork terminal 210 (shown in Figure 7).
  • the fork terminal 418 is configured to receive one of the fuse blades 142 of the fuse 140 (both shown in Figure 4).
  • the fork terminal 418 includes legs 420 on opposite sides of a slot 422.
  • Figure 15 is a top perspective view of the circuit board connector 116.
  • the circuit board connector 116 is configured to be coupled to the tray connector 138 (shown in Figure 3).
  • the circuit board connector 116 may be interchangeable with the wire harness connector 106 (shown in Figure 1).
  • the circuit board connector 116 includes a circuit board 428 that is received in a housing 430.
  • the housing 430 extends between a mating end 432 and an outer end 434.
  • the mating end 432 is configured to be mated with the tray connector 138.
  • the board terminals 410 are coupled to a bottom side of the ciicuit board 428.
  • the circuit board 428 is received in the housing 430 through the outer end 434.
  • Figure 16 is a bottom perspective view of the circuit board 428 and the board terminals 410 mounted to the circuit board 428.
  • Various electrical components and/or circuitry may be coupled to or provided on the circuit board 428 that are used to perform at least one battery management function, such as to monitor and/or control the battery module 102 (shown in Figure 2).
  • Such electrical components may be electrically connected to one or more of the board terminals 410.
  • Such electrical components and/or the board temiinals 410 may be electrically connected to the external connector 118, which is mounted to the circuit board 428.
  • the ciicuit board 428 includes one or more thermistor board terminals 400 mounted thereto.
  • Figure 17 is an exploded perspective view of the battery connector system 100 formed in accordance with an exemplary embodiment.
  • Figure 17 illustrates the circuit board connector 116 poised for mounting to the tray assembly 104 on the battery module 102.
  • the battery connector system 100 shown in Figure 17 includes the battery module 102, the tray assembly 104, the circuit board connector 116, a plurality of the fuses 140 and a cover 440.
  • the circuit board connector 116 is configured to be coupled to the tray assembly 104.
  • the circuit board connector 116 may be interchangeable with the wire harness connector 106 in other embodiments.
  • the fuses 140 are configured to be loaded through the circuit board 428 from above.
  • the fuses 140 pass through openings in the circuit board 428 to mate with the board terminals 410 (shown in Figure 16) and the fuse terminals 210, 248.
  • the cover 440 holds the circuit board 428 in the housing 430 and may cover the fuses 140 when assembled.
  • the fuses 140 are removable from the circuit board connector 116, such as to replace damaged or blown fuses.
  • Figure 18 illustrates a portion of the battery connector system 100 showing the assembly of the fuses 140 and the fuse terminals 210, 248, 410.
  • the fuse blades 142 of the fuses 140 are mated with both the board terminals 410 and the fork terminals 210, 248 of the busbars 135, 136.
  • the fuses 140 are assembled into the fused battery connector system 100 to protect the sensing connection between the battery module 102 and the control module, such as the battery management system 112 (shown in Figure 2).
  • the fuses 140 are located in the fused paths defined between the cell tab 126/associated plate 212, 250 and the electrical connector 116, which includes the fuse terminals 410 defined by the board terminals 410. Each fused path passes through the corresponding fuse 140.
  • a first fuse blade 142 is fit within the slot 211 of the fork terminal 210 of the busbar 136.
  • the second fuse blade 142 is fit within the slot 422 of the fork terminal 418.
  • sensing current flows from the battery cell tab 126 passing through the busbars 135, 136, through the fork terminals 210, 248, through the corresponding fuse 140, through the board terminal 410 and passes to the circuit board 428 (shown in Figure 17).
  • the circuitry of the circuit board 428 performs at least one battery management function.
  • the sensing current may flow to the battery management system 112 (shown in Figure 2) via the external connector 118 (shown in Figure 16).
  • Figure 19 is an exploded view of the battery connector system 100 showing the tray assembly 104 poised for mounting to the battery module 102.
  • the tray assembly 104 holds post busbars 504 and intermediate busbars 506.
  • Like components are identified using like reference numerals.
  • Figure 19 illustrates the battery connector system 100 having a tray assembly 104 that uses resettable fuses as opposed to serviceable fuses.
  • the battery connector system 100 configured for use with either a circuit board connector or a wire harness connector using the same tray assembly 104.
  • the tray assembly 104 allows for selective coupling of different types of electrical connectors (e.g., the circuit board connector 116, the wire harness connector 106, or other types of electrical connectors) thereto.
  • the tray assembly 104 allows for interchangeability between systems that use decentralized control with the circuit board connector 116 and systems that use centralized control with the wire harness connector 106.
  • the same components can be used for the battery modules 102 irrespective of using the wire harness connector 106 or the circuit board connector 116.
  • the tooling cost for the fused battery connector system 100 may be reduced by utilizing the tray assembly 104 to connect with both the wire harness connector 106 and the circuit board connector 116.
  • Figure 20 is a side perspective view of an intermediate busbar 506, which is similar to the intermediate busbar 136 (shown in Figure 7).
  • the busbar 506 includes a fuse terminal 510 and a plate 512.
  • the fuse terminal 510 is a blade terminal rather than a fork terminal as with the fuse terminal 210 (shown in Figure 7).
  • the fuse terminal 510 is separate and discrete from the plate 512 and a resettable fuse 500 is provided between the plate 512 and the fuse terminal 510.
  • the resettable fuse 500 creates an electrical path between the plate 512 and the fuse terminal 510.
  • the resettable fuse 500 may open or provide high resistance during a high current condition.
  • the resettable fuse 500 may be a bi-metal component that opens under high current or high temperature conditions. Once the high current or high temperature condition ceases, the bi-metal component may close once again, thus resetting itself, and allow current to flow through the busbar 506.
  • the resettable fuse 500 may be a polymer switch that is temperature sensitive. Under high current conditions, the temperature of the polymer switch may exceed a threshold causing the polymer switch to have high resistance to current flow.
  • the polymer switch may change state and allow current flow through the busbar 506 between the plate 512 and the fuse terminal 510.
  • Other types of resettable fuses may be used in alternative embodiments.
  • the resettable fuse 500 does not require human intervention to reset fuse to allow normal operation again after a high current condition has been experienced.
  • Figure 21 is a side perspective view of the intermediate busbar 506 showing a case 502 around portions of the fuse terminal 510 and the plate 512 as well as encasing the resettable fuse 500 (shown in Figure 20).
  • the case 502 protects the components of the busbar 506.
  • the case 502 may provide structural support for the components of the busbar 506.
  • the case 502 is made of plastic but other materials may be suitable.
  • Figure 22 shows a busbar array including post busbars 504 (which include resettable fuses 500, a plate 550 and a fuse terminal 548), intermediate busbars 506 and the thermistor assembly 144.
  • the fuse terminals 510, 548 of the busbars 504, 506 are positioned for insertion into the tray connector 138 (shown in Figure 23).
  • Figure 23 is a top perspective view of a portion of the battery connector system 100 showing the tray assembly 104 coupled to the battery module 102.
  • the fuse terminals 510, 548 extend through the shroud walls 168 of the tray connector 138 for mating with the selected electrical connector 106 or 116.
  • the thermistor contacts 146 extend through the tray connector 138 and are configured to be mated with the selected electrical connector 106 or 116.
  • the busbars 504, 506 extend along, and engage, corresponding cell tabs 126.
  • the busbars 504, 506 are electrically connected to corresponding cell tabs 126.
  • the busbars 504, 506 may be welded to the cell tabs 126.
  • Figure 24 is an exploded view of the battery connector system 100 formed in accordance with an exemplary embodiment using the resettable fuses 500.
  • Figure 24 illustrates the circuit board connector 116 being coupled to the tray assembly 104.
  • the battery connector system 100 shown in Figure 24 includes the battery module 102, the tray assembly 104, the circuit board connector 116, one or more thermistor board terminals 400 (shown in Figure 13), a plurality of board terminals 560 coupled to the circuit board 428, and a plurality of the fuse terminals 510, 548 with resettable fuses 500 (shown in Figure 22) associated therewith.
  • the circuit board connector 116 is configured to be coupled to the tray assembly 104.
  • the circuit board connector 116 may be interchangeable with the wire harness connector 106 in other embodiments.
  • the board terminals 560 may be identical to the thermistor board terminals 400.
  • the board terminals 560 have compliant terminal ends 562 that are configured to be mechanically and electrically connected to the circuit board 428.
  • the board terminals 560 may be side open terminals having a pair of beams configured to be terminated to the fuse terminals 510, 548.
  • the board terminals 560 define part of the current protection path with the associated fuses 500 and thus define fuse terminals and may be referred to hereinafter as fuse terminals 560.
  • Figure 25 illustrates a portion of the battery connector system 100 showing the assembly of the fuses 500 and the fuse terminals 510, 548, 560.
  • the fuse 500 is mounted within the terminal section of each busbar 504, 506.
  • the fuse 500 is located in the fused path defined between the cell tab 126/associated plate 512, 550 and the electrical connector 116, which includes the fuse terminals 560 defined by the board terminals 560.
  • the fuse 500 is integrally assembled within the batteiy system 100 to protect the sensing connection between the battery module and the control module.
  • the busbars 504, 506 are attached to the battery cell tabs 126.
  • the blade terminals 510, 548 of the busbars 504, 506 are connected to the mating end of the board terminals 560.
  • FIG. 26 is an exploded view of the battery connector system 100 formed in accordance with an exemplary embodiment using the wire harness connector 106.
  • Figure 26 illustrates the wire harness connector 106 being coupled to the tray assembly 104
  • the battery connector system 100 shown in Figure 26 includes the battery module 102, the tray assembly 104, the wire harness connector 106, wire harness terminals 300, and a plurality of the fuse terminals 510, 548 with resettable fuses 500 (shown in Figure 22) associated therewith.
  • the wire harness connector 106 is configured to be coupled to the tray assembly 104.
  • the wire harness connector 106 may be interchangeable with the circuit board connector 116 in other embodiments.
  • Figure 27 illustrates a portion of the battery connector system 100 showing the assembly of the fuses 500 and the fuse terminals 510, 548, 300.
  • the fuse 500 is mounted within the terminal section of each busbar 504, 506.
  • the fuse 500 is located in the fused path defined between the cell tab 126/associated plate 512, 550 and the electrical connector 106, which includes the fuse terminals 300 defined by the wire harness terminals 300.
  • the fuse 500 is integrally assembled within the battery system 100 to protect the sensing connection between the battery module and the control module.
  • the busbars 504, 506 are attached to the battery cell tabs 126.
  • the blade terminals 510, 548 of the busbars 504, 506 are connected to the wire harness terminals 300.
  • the sensing current flows from the battery cell tab 126 passing through the busbar 506, through the fuse 500, through the fuse terminal 510, through the wire harness terminal 300 and to the battery management system 112 (shown in Figure 1).

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Connection Of Batteries Or Terminals (AREA)
  • Battery Mounting, Suspending (AREA)
  • Secondary Cells (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)
PCT/US2012/069612 2011-12-14 2012-12-14 Battery connector system Ceased WO2013090649A1 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP2014547455A JP6140727B2 (ja) 2011-12-14 2012-12-14 バッテリコネクタシステム
KR1020147016266A KR101621182B1 (ko) 2011-12-14 2012-12-14 배터리 커넥터 시스템
CN201280061552.2A CN104081559B (zh) 2011-12-14 2012-12-14 电池连接器系统
EP12809492.7A EP2791997B1 (en) 2011-12-14 2012-12-14 Battery connector system

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US201161630552P 2011-12-14 2011-12-14
US61/630,552 2011-12-14
US13/713,249 US8808031B2 (en) 2011-12-14 2012-12-13 Battery connector system
US13/713,249 2012-12-13

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WO2013090649A1 true WO2013090649A1 (en) 2013-06-20
WO2013090649A8 WO2013090649A8 (en) 2014-07-17

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EP (1) EP2791997B1 (https=)
JP (1) JP6140727B2 (https=)
KR (1) KR101621182B1 (https=)
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KR101621182B1 (ko) 2016-05-13
US20130288530A1 (en) 2013-10-31
US8808031B2 (en) 2014-08-19
CN104081559B (zh) 2016-12-21
CN104081559A (zh) 2014-10-01
JP2015507819A (ja) 2015-03-12
EP2791997B1 (en) 2016-03-16
KR20140093997A (ko) 2014-07-29
JP6140727B2 (ja) 2017-05-31
EP2791997A1 (en) 2014-10-22
WO2013090649A8 (en) 2014-07-17

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