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WO2014097692A1 - Matériau à base d'aluminium pour borniers et bornier pour automobiles - Google Patents

Matériau à base d'aluminium pour borniers et bornier pour automobiles Download PDF

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Publication number
WO2014097692A1
WO2014097692A1 PCT/JP2013/074487 JP2013074487W WO2014097692A1 WO 2014097692 A1 WO2014097692 A1 WO 2014097692A1 JP 2013074487 W JP2013074487 W JP 2013074487W WO 2014097692 A1 WO2014097692 A1 WO 2014097692A1
Authority
WO
WIPO (PCT)
Prior art keywords
connector
aluminum material
aluminum
connector terminal
terminal
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/JP2013/074487
Other languages
English (en)
Japanese (ja)
Other versions
WO2014097692A8 (fr
Inventor
照善 宗像
齋藤　寧
古川　欣吾
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.)
Sumitomo Wiring Systems Ltd
AutoNetworks Technologies Ltd
Sumitomo Electric Industries Ltd
Original Assignee
Sumitomo Wiring Systems Ltd
AutoNetworks Technologies Ltd
Sumitomo Electric Industries Ltd
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 Sumitomo Wiring Systems Ltd, AutoNetworks Technologies Ltd, Sumitomo Electric Industries Ltd filed Critical Sumitomo Wiring Systems Ltd
Publication of WO2014097692A1 publication Critical patent/WO2014097692A1/fr
Publication of WO2014097692A8 publication Critical patent/WO2014097692A8/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/02—Contact members
    • H01R13/03—Contact members characterised by the material, e.g. plating, or coating materials
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C21/00—Alloys based on aluminium
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R2201/00—Connectors or connections adapted for particular applications
    • H01R2201/26—Connectors or connections adapted for particular applications for vehicles
    • 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 an aluminum material for a connector terminal used for a connector terminal of an aluminum electric wire for automobiles, a manufacturing method thereof, and an automobile connector terminal.
  • Cu wires are generally used as electric wires for automobiles, and connector terminals using copper or a copper alloy as a base material are also used as connector terminals.
  • JP 2003-168502 A Japanese Patent Laid-Open No. 2004-199934
  • the present invention provides an aluminum material for connector terminals in which strength required for a structure as an aluminum connector terminal for an automobile and bending workability required for bending are sufficiently secured, a manufacturing method thereof, and an automobile It is an object to provide a connector terminal.
  • the present inventor conducted various experiments and studies to solve the above problems, and as a result, it was found that the strength required for the structure of the aluminum connector terminal can be represented by the tensile strength of the aluminum material. It was.
  • the bending workability can be controlled by controlling the elongation of the aluminum material.
  • the elongation and the tensile strength are contradictory, it is necessary to identify an aluminum material suitable as an automobile connector terminal in consideration of the balance between the two. is there.
  • the male terminal of the connector terminal is subjected to a severe bending process such as a 180 ° bending process, so that it can withstand such a severe process. Is needed.
  • 1 is an electrical contact portion of a male terminal
  • 1a is a vertex portion of bending.
  • the strength required as a connector terminal for automobiles and the necessary strength during bending are satisfied by satisfying a tensile strength of 200 MPa or more and an elongation of 5% or more. It was found that both the bending workability can be satisfied.
  • an aluminum material having an elongation of 5% or more can be obtained by heat-treating the tempered and expanded aluminum alloy at 250 to 300 ° C. .
  • the aluminum material in which elongation of 5% or more is secured when a material having high tensile strength is selected as a base material and a tensile strength of 200 MPa or more is secured, as an aluminum material for connector terminals used for automobile connector terminals, It can be preferably used.
  • the present invention is an invention based on the above findings, and the invention according to claim 1 It is an aluminum material for connector terminals used for connector terminals for automobiles,
  • the aluminum material for connector terminals is characterized by having a tensile strength of 200 MPa or more and an elongation of 5% or more.
  • Claim 2 is The aluminum material for connector terminals of Claim 1 is used, The connector terminal for motor vehicles characterized by the above-mentioned.
  • the invention according to claim 3 The said connector terminal for motor vehicles is a male connector terminal, The connector terminal for motor vehicles of Claim 2 characterized by the above-mentioned.
  • strength required for the structure as an aluminum connector terminal for automobiles, and the bending workability required at the time of a bending process were fully ensured, its manufacturing method, and an automobile Connector terminals can be provided.
  • FIG. 1 It is sectional drawing which shows typically the shape of the electrical contact part of the male connector terminal which concerns on one embodiment of this invention. It is a figure explaining the measuring method of the structural strength of a connector terminal. It is a figure which shows the relationship between the tensile strength of the various aluminum materials from which heat processing temperature differs, and the structural strength of the connector terminal manufactured using these aluminum materials. It is a figure which shows the SEM observation result of the vertex part when various aluminum materials in which heat processing temperature differs are bent 180 degree
  • the strength that the terminal to which the electric wire is connected does not break during use is required, and the load resistance performance is evaluated. It was confirmed that the load bearing performance of the connector terminal correlates well with the tensile strength of the aluminum material, and the load bearing performance of the connector terminal can be represented by the tensile strength of the aluminum material.
  • FIG. 2 shows an overview of a measuring device that measures the load bearing performance of connector terminals.
  • 2A is a side view
  • FIG. 2B is a cross-sectional view taken along line X-X ′ in FIG. 2A.
  • the load bearing performance was measured for each terminal made from an aluminum material that was heat-treated at each temperature shown in Table 1 for 3 hours (number of samples: 5 each).
  • Table 1 shows the measurement results of load bearing performance and tensile strength of each aluminum material. Table 1 also shows the average load resistance performance of Samples 1 to 5, the difference between the maximum value and the average (“+”), and the difference between the average and the minimum value (“ ⁇ ”).
  • FIG. 3 is plotted with the load bearing performance (N) as the horizontal axis (shown as load (N) in FIG. 3) and the tensile strength (MPa) as the vertical axis. The relationship between performance (average) and tensile strength is shown.
  • Table 2 shows the measurement results of the tensile strength and elongation of the aluminum material at each heat treatment temperature.
  • FIG. 3 shows that the load bearing performance and the tensile strength are well correlated, and the tensile strength of the aluminum material can represent the strength (load bearing performance) required for the connector terminal structure. I understand.
  • a nickel base plating with a thickness of 0.3 ⁇ m and a tin plating with a thickness of 2.0 ⁇ m were applied, and further shown in FIG.
  • a male terminal having the shape shown in FIG. 1 was prepared using an aluminum material heat-treated at each temperature, and the vicinity of the bent vertex was observed with an SEM to confirm the occurrence of breakage and the like.
  • Fig. 4 shows the observed SEM photograph.
  • the photograph shown in the lower stage in FIG. 4 is an enlarged photograph of a portion surrounded by a square in the upper picture.
  • FIG. 4 shows that the fracture occurred when the heat treatment temperature was 225 ° C., but the fracture did not occur at 250 ° C. or higher.
  • an aluminum material having a tensile strength of 200 MPa or more and an elongation of 5% or more is suitable as an aluminum material for connector terminals.
  • an aluminum material having a tensile strength of 200 MPa or more in which an elongation of 5% or more is secured is obtained by performing heat treatment at 250 to 300 ° C. using a tempered appropriate aluminum alloy for extension.
  • a connector terminal preferable as a connector terminal with an aluminum electric wire can be provided.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Connections Effected By Soldering, Adhesion, Or Permanent Deformation (AREA)
  • Manufacturing Of Electrical Connectors (AREA)
  • Connection Or Junction Boxes (AREA)

Abstract

Cette invention concerne un matériau à base d'aluminium pour bornier dont la résistance requise est suffisamment assurée pour une structure servant de bornier pour automobiles et présentant l'aptitude au pliage requise pour un façonnage par pliage. L'invention concerne en outre un procédé de production dudit matériau et un bornier pour automobiles. Ledit matériau à base d'aluminium pour borniers est utilisé pour des borniers pour automobiles et il présente une résistance à la traction supérieure ou égale à 200 MPa et un allongement supérieur ou égal à 5 %. Ledit matériau à base d'aluminium pour borniers est utilisé pour fabriquer ledit bornier pour automobiles.
PCT/JP2013/074487 2012-12-18 2013-09-11 Matériau à base d'aluminium pour borniers et bornier pour automobiles Ceased WO2014097692A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2012-275675 2012-12-18
JP2012275675A JP2014120376A (ja) 2012-12-18 2012-12-18 コネクタ端子用アルミニウム材料とその製造方法および自動車用コネクタ端子

Publications (2)

Publication Number Publication Date
WO2014097692A1 true WO2014097692A1 (fr) 2014-06-26
WO2014097692A8 WO2014097692A8 (fr) 2015-03-26

Family

ID=50978042

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2013/074487 Ceased WO2014097692A1 (fr) 2012-12-18 2013-09-11 Matériau à base d'aluminium pour borniers et bornier pour automobiles

Country Status (2)

Country Link
JP (1) JP2014120376A (fr)
WO (1) WO2014097692A1 (fr)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002184508A (ja) * 2000-12-12 2002-06-28 Yazaki Corp コネクタ
WO2012011447A1 (fr) * 2010-07-20 2012-01-26 古河電気工業株式会社 Conducteur en alliage d'aluminium et procédé de fabrication de ce dernier
WO2012077740A1 (fr) * 2010-12-08 2012-06-14 古河電気工業株式会社 Borne à sertir, structure de connexion et procédé de production de ces dernières

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002184508A (ja) * 2000-12-12 2002-06-28 Yazaki Corp コネクタ
WO2012011447A1 (fr) * 2010-07-20 2012-01-26 古河電気工業株式会社 Conducteur en alliage d'aluminium et procédé de fabrication de ce dernier
WO2012077740A1 (fr) * 2010-12-08 2012-06-14 古河電気工業株式会社 Borne à sertir, structure de connexion et procédé de production de ces dernières

Also Published As

Publication number Publication date
WO2014097692A8 (fr) 2015-03-26
JP2014120376A (ja) 2014-06-30

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