WO2015053267A1 - Fil électrique pour bornes à sertir, et borne à sertir avec fil électrique - Google Patents

Fil électrique pour bornes à sertir, et borne à sertir avec fil électrique Download PDF

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Publication number
WO2015053267A1
WO2015053267A1 PCT/JP2014/076815 JP2014076815W WO2015053267A1 WO 2015053267 A1 WO2015053267 A1 WO 2015053267A1 JP 2014076815 W JP2014076815 W JP 2014076815W WO 2015053267 A1 WO2015053267 A1 WO 2015053267A1
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WO
WIPO (PCT)
Prior art keywords
core wire
wire
electric wire
strands
crimp terminal
Prior art date
Application number
PCT/JP2014/076815
Other languages
English (en)
Japanese (ja)
Inventor
洋人 中田
Original Assignee
矢崎総業株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 矢崎総業株式会社 filed Critical 矢崎総業株式会社
Publication of WO2015053267A1 publication Critical patent/WO2015053267A1/fr

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/58—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation characterised by the form or material of the contacting members
    • H01R4/62—Connections between conductors of different materials; Connections between or with aluminium or steel-core aluminium conductors
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/10—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation
    • H01R4/18—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping
    • H01R4/188—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping having an uneven wire-receiving surface to improve the contact
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/0009—Details relating to the conductive cores
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/10—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation
    • H01R4/18—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping
    • H01R4/183—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping for cylindrical elongated bodies, e.g. cables having circular cross-section
    • H01R4/184—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping for cylindrical elongated bodies, e.g. cables having circular cross-section comprising a U-shaped wire-receiving portion
    • H01R4/185—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping for cylindrical elongated bodies, e.g. cables having circular cross-section comprising a U-shaped wire-receiving portion combined with a U-shaped insulation-receiving portion

Definitions

  • the present invention relates to a crimp terminal electric wire and a crimp terminal with an electric wire.
  • Patent Documents 1 and 2 show the following configuration as a configuration of electrical connection between an electric wire and a crimp terminal. That is, the crimp terminal has a core wire crimping portion and a sheath crimping portion, and the electric wire has a core wire composed of a plurality of strands and an insulating sheath covering the core wire, and the core wire is exposed by removing the insulating sheath on the tip side.
  • the crimp terminal crimps and crimps the core wire exposed by the core wire crimping portion, and crimps and crimps the insulating sheath by the outer skin crimping portion.
  • JP 2010-10000 A Japanese Patent Application Laid-Open No. 2010-10001
  • an object of the present invention is to provide an electric wire for electric wire crimping and a crimp terminal with electric wire that can reliably ensure conduction between the core wires and reduce the resistance of the entire circuit.
  • the crimp terminal electric wire of the present invention is a crimp terminal electric wire having a core wire composed of a plurality of strands and an insulating sheath covering the core wire, and the core wire from which the insulating sheath has been removed is crimped to the crimp terminal.
  • the core wire may be made of aluminum or an aluminum alloy, and may be formed of two types of aluminum strands having different hardnesses.
  • the core wire may be an array pattern in which strands having different hardnesses are adjacent to each other at one or more locations.
  • the crimp terminal with an electric wire of the present invention is a crimp terminal with an electric wire that has a core wire composed of a plurality of strands and an insulating sheath covering the core wire, and crimps the core wire from which the insulating sheath has been removed, and has a plurality of different hardnesses. It is characterized by crimping a core wire composed of various types of strands.
  • the crimp terminal with electric wire of the present invention may be one in which a core wire made of aluminum or aluminum alloy composed of two types of strands having different hardnesses is crimped.
  • FIG. 1 shows an embodiment of the present invention, and is a perspective view before an electric wire is crimped to a crimp terminal.
  • FIG. 2 is a side view of a crimp terminal in which an electric wire is crimped according to an embodiment of the present invention.
  • FIG. 3 shows an embodiment of the present invention and is a cross-sectional view taken along line AA of FIG. 4 (a) to 4 (d) show an embodiment of the present invention, and FIG. 4 (a) is a perspective view of a core wire (a soft wire is displayed in white and a hard wire is hatched).
  • 4 (b) to 4 (d) are diagrams showing modifications of the arrangement pattern of the core wires.
  • FIG. 1 shows an embodiment of the present invention, and is a perspective view before an electric wire is crimped to a crimp terminal.
  • FIG. 2 is a side view of a crimp terminal in which an electric wire is crimped according to an embodiment of the present invention.
  • FIG. 3 shows an embodiment of
  • FIG. 5 is a perspective view of a caulking jig according to an embodiment of the present invention.
  • FIG. 6 is a side view illustrating an embodiment of the present invention and illustrating a caulking operation using a caulking jig.
  • FIG. 7 is a conceptual diagram showing an embodiment of the present invention and showing the difference in elongation between a soft wire and a hard wire during a caulking and crimping process.
  • the crimp terminal electric wire (hereinafter referred to as electric wire W) includes a core wire 1 composed of a plurality of strands 1 a and 1 b and a core wire 1. It is comprised from the insulation outer skin 2 which covers outer periphery.
  • the insulating sheath 2 is removed and the core wire 1 is exposed.
  • the core wire 1 is made of aluminum or aluminum alloy (hereinafter, made of aluminum). That is, the electric wire W is an aluminum electric wire.
  • the core wire 1 is formed of two types of aluminum strands 1a and 1b having different hardnesses.
  • the hardness of the strand 1a is lower than the hardness of the strand 1b, and the strand 1a is softer than the strand 1b.
  • the soft strand 1a and the hard strand 1b are mixed, and are mutually twisted. 4 (a) to 4 (d) and FIG. 7, for the sake of clarity, the soft strands 1a are displayed in white and the hard strands 1b are displayed in hatching.
  • the core wire 1 has an array pattern in which a soft strand 1a and a hard strand 1b are adjacent to each other at one or more locations.
  • adjacent at any one or more places means that when the core wire 1 is observed in a cross section perpendicular to the axial direction of the core wire 1, it is also around any soft strand 1 a constituting the core wire 1.
  • the at least one hard wire 1b is positioned so as to be in direct contact with the soft wire 1a, and at least one soft wire is disposed around any hard wire 1b constituting the core wire 1. It means that the strand 1a is positioned so as to be in direct contact with the hard strand 1b.
  • Examples of the arrangement pattern in which the soft wire 1a and the hard wire 1b are adjacent to each other at one or more locations include patterns shown in FIGS. 4 (b) to 4 (d) in addition to FIG. 4 (a). It is done.
  • the crimp terminal 10 with electric wire (hereinafter referred to as a crimp terminal) is made of a copper alloy and is formed by bending a plate cut into a predetermined shape.
  • the crimp terminal 10 has a mating terminal connection portion 11 and a wire connection portion 15.
  • the electric wire connecting portion 15 includes a core wire crimping portion 16 and an outer skin crimping portion 17.
  • the core wire crimping part 16 has a base part 16a and a pair of caulking piece parts 16b extending from both sides of the base part 16a.
  • a large number of round grooves 18 are formed on the inner surface of the base portion 16a of the core wire crimping portion 16 and the pair of caulking piece portions 16b.
  • the outer skin crimping part 17 has a base part 17a and a pair of caulking piece parts 17b extending from both sides of the base part 17a.
  • the crimp terminal 10 crimps and crimps the core wire 1 exposed by the core wire crimping portion 16, and crimps and crimps the insulating sheath 2 by the outer skin crimping portion 17.
  • the crimp terminal 10 is crimped by a crimping jig 20 shown in FIG.
  • the caulking jig 20 has a caulking groove 21 having a final caulking outer peripheral shape on the caulking tip side.
  • FIG. 6 when the pair of core wire crimping pieces 16 b are pressed from above by the crimping jig 20, the pair of crimping pieces 16 b are plastically deformed along the crimping grooves 21.
  • the core wire 1 of the electric wire W receives a crimping force. Then, as shown in FIG. 7, the strands 1a and 1b of the core wire 1 extend to generate a new surface.
  • the soft strand 1a is softer than the hard strand 1b, the soft strand 1a has a larger amount of elongation than the hard strand 1b.
  • the soft wires 1a and the hard wires 1b have different elongation amounts, so that the wires 1a and 1b on which the new surface is generated slide, and adhesion occurs between the slide wires 1a and 1b. . Adhesion occurs not only between the strands 1a and 1b but also between the strands 1a and 1b. By adhering the strands, conduction between the strands can be reliably ensured, and the resistance of the entire circuit can be reduced.
  • a groove 18 is provided on the inner surface of the core wire crimping portion 16. Since the wire 1a of the core wire 1 is deformed so as to enter the groove 18, that is, is deformed by extension, a new surface is generated, and adhesion occurs due to receiving a compressive force. Therefore, the conduction resistance between the strands 1a can also be reduced by the groove 18 (serration).
  • Core wire 1 is made of aluminum.
  • the aluminum wires 1a and 1b have a harder oxide film formed on the surface than those made of copper alloy. Therefore, the aluminum core wire 1 has a problem of an increase in electrical resistance due to the conduction resistance between the strands 1a and 1b.
  • the oxide film on the surface of the strands 1a and 1b can be easily removed.
  • a new surface can be effectively generated on the surface of the strands, and the occurrence of adhesion between the strands can be promoted. Therefore, the conduction resistance between the strands can be reduced.
  • the core wire 1 is an array pattern in which the strands 1a and 1b having different hardnesses are adjacent to each other at one or more locations. Therefore, since any soft strand 1a and hard strand 1b slide at one or more places during crimping, conduction can be reliably ensured for all the strands 1a and 1b.
  • the core wire 1 is made of aluminum, but the present invention can also be applied to a core wire 1 other than aluminum (for example, copper alloy).
  • the core wire 1 is formed of two types of strands 1a and 1b having different hardnesses, but may be formed of three or more types of strands having different hardnesses.
  • the strands 1a and 1b having different hardnesses can be formed by different tempering or composition, for example.
  • the serration provided on the inner surface of the core wire crimping portion 16 is the groove 18, but it may be a protrusion, or may be both a groove and a protrusion.
  • each strand of the core wire when the core wire receives a crimping force in the crimping process by the crimp terminal, each strand of the core wire is stretched to generate a new surface, and the elongation amount is different due to the different hardness between the strands. For this reason, the strands on which the new surface is generated slide and adhere to each other, so that conduction between the strands can be reliably ensured and the resistance of the entire circuit can be reduced.

Abstract

L'invention concerne un fil électrique (W) pour bornes à sertir, qui comporte un fil (1) d'âme composé d'une pluralité de brins (1a, 1b) et une couverture extérieure isolante (2) qui recouvre le fil (1) d'âme. Le fil (1) d'âme, duquel la couverture extérieure isolante (2) est retirée, est fixé par compression à une borne (10) à sertir. Le fil (1) d'âme est composé d'une pluralité de types de brins (1a, 1b) qui présentent des duretés différentes les unes des autres.
PCT/JP2014/076815 2013-10-11 2014-10-07 Fil électrique pour bornes à sertir, et borne à sertir avec fil électrique WO2015053267A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2013-213507 2013-10-11
JP2013213507A JP2015076354A (ja) 2013-10-11 2013-10-11 圧着端子用電線及び電線付き圧着端子

Publications (1)

Publication Number Publication Date
WO2015053267A1 true WO2015053267A1 (fr) 2015-04-16

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ID=52813083

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2014/076815 WO2015053267A1 (fr) 2013-10-11 2014-10-07 Fil électrique pour bornes à sertir, et borne à sertir avec fil électrique

Country Status (2)

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JP (1) JP2015076354A (fr)
WO (1) WO2015053267A1 (fr)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004207079A (ja) * 2002-12-25 2004-07-22 Sumitomo Electric Ind Ltd 自動車用導体
JP2005093300A (ja) * 2003-09-18 2005-04-07 Sumitomo Wiring Syst Ltd 自動車用電線
JP2005093301A (ja) * 2003-09-18 2005-04-07 Auto Network Gijutsu Kenkyusho:Kk 自動車用電線

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004207079A (ja) * 2002-12-25 2004-07-22 Sumitomo Electric Ind Ltd 自動車用導体
JP2005093300A (ja) * 2003-09-18 2005-04-07 Sumitomo Wiring Syst Ltd 自動車用電線
JP2005093301A (ja) * 2003-09-18 2005-04-07 Auto Network Gijutsu Kenkyusho:Kk 自動車用電線

Also Published As

Publication number Publication date
JP2015076354A (ja) 2015-04-20

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