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WO2014168215A1 - Fil électrique, borne et structure de jonction - Google Patents

Fil électrique, borne et structure de jonction Download PDF

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Publication number
WO2014168215A1
WO2014168215A1 PCT/JP2014/060432 JP2014060432W WO2014168215A1 WO 2014168215 A1 WO2014168215 A1 WO 2014168215A1 JP 2014060432 W JP2014060432 W JP 2014060432W WO 2014168215 A1 WO2014168215 A1 WO 2014168215A1
Authority
WO
WIPO (PCT)
Prior art keywords
terminal
wire
electric wire
core wire
joint
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/JP2014/060432
Other languages
English (en)
Japanese (ja)
Inventor
加藤　元
和洋 遠峰
貴晃 宮島
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.)
Yazaki Corp
Original Assignee
Yazaki 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 Yazaki Corp filed Critical Yazaki Corp
Publication of WO2014168215A1 publication Critical patent/WO2014168215A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
    • B23K20/10—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating making use of vibrations, e.g. ultrasonic welding
    • 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
    • H01R4/02—Soldered or welded connections
    • H01R4/023—Soldered or welded connections between cables or wires and terminals
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K2101/00—Articles made by soldering, welding or cutting
    • B23K2101/36—Electric or electronic devices
    • B23K2101/38—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
    • H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
    • H01R43/02—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for soldered or welded connections
    • H01R43/0207—Ultrasonic-, H.F.-, cold- or impact welding

Definitions

  • the present invention relates to a joint structure between an electric wire and a terminal.
  • crimp bonding is also referred to as caulking bonding, and has a U-shaped crimp connection portion with a pair of crimp pieces facing each other at one end of a terminal, and a core wire from which the wire coating has been stripped is placed on the crimp connection portion. The pair of crimping pieces are caulked to the core wire side and joined.
  • a U-shaped connecting portion formed at one end of a terminal is fixed to an anvil (pedestal), a core wire of an electric wire is placed on the connecting portion, and an ultrasonic horn is pushed on the side surface of the core wire.
  • anvil pedestal
  • an ultrasonic horn is pushed on the side surface of the core wire.
  • friction welding is a method in which the joint surface between the terminal and the core wire cut surface (tip surface) of the electric wire is brought into pressure contact and rotated at a relatively high speed to generate frictional heat on the joint surface. Then, after melting the metal member on the joining surface, the rotation is stopped and the pressure is further applied to join the tip surface of the electric wire and the terminal.
  • a disk-shaped end having a diameter corresponding to the diameter of the core wire is formed at the tip of the terminal, and the disk surface and the tip surface of the core wire are joined by friction welding.
  • the dimension in the electric wire length direction of the joint part of a terminal and an electric wire can be shortened significantly.
  • the invention has been devised to increase heat diffusion during friction welding and heat conduction in residual heat.
  • a ceramic cylinder or conductive cylinder member with the wires and conductors chucked, adhesion of the melt during friction welding is prevented, and the mechanical and electrical connection of the joint.
  • the invention has been devised to increase heat diffusion during friction welding and heat conduction in residual heat.
  • there is a demand for obtaining a stable joint portion that can further suppress fraying of the stranded wire and twisting of the electric wire and efficiently friction-weld with the terminal joint surface.
  • the problem to be solved by the present invention is to provide a wire-terminal joint structure that can shorten the dimension of the joint portion between the wire and the terminal in the wire length direction and can form a stable joint portion.
  • the wire-terminal connection structure of the present invention has a wire joint portion having a joint surface orthogonal to the extending direction of the terminal formed at one end of the terminal, and the wire insulation cover on the joint surface.
  • the core wire portion exposed from the tip has a joining structure in which the tip is ultrasonically joined.
  • the length in the wire length direction of the joining portion between the wire and the terminal is the core wire portion (exposed from the thickness of the member (for example, plate material) of the wire joining portion of the terminal and the insulation coating).
  • the total length with the length of the core wire portion can be appropriately suppressed.
  • the length of the core wire portion can be sufficiently shortened compared to the case of crimp bonding or conventional ultrasonic bonding so that the insulation coating is not caught between the bonding surfaces.
  • the length in the electric wire length direction can be made sufficiently short.
  • the joint surface is not rotated at high speed while being in pressure contact like friction welding, it is possible to simplify the countermeasures against core wire breakage and fraying and torsion of the wire itself, and to obtain a stable joint structure. Can do.
  • terminal processing such as forming, press molding, ultrasonic bonding, or the like for forming the tip of the core wire portion into a predetermined shape (for example, a rectangular parallelepiped shape) in advance is performed before ultrasonic bonding to the bonding surface.
  • a predetermined shape for example, a rectangular parallelepiped shape
  • terminal processing such as forming, press molding, ultrasonic bonding, or the like for forming the tip of the core wire portion into a predetermined shape (for example, a rectangular parallelepiped shape) in advance is performed before ultrasonic bonding to the bonding surface.
  • a predetermined shape for example, a rectangular parallelepiped shape
  • a recess in which the tip of the core wire portion can be fitted is formed on the joining surface of the wire joining portion of the terminal. According to this, fraying or bending of the core wire portion can be prevented by the inner wall of the recess.
  • terminal processing such as forming for forming the tip of the core wire portion into a rectangular parallelepiped shape may be performed, but such terminal processing may not be performed.
  • or FIG.1 (c) are the figures explaining the joining structure of the electric wire and terminal of Example 1 of this invention.
  • FIG. 2 is a diagram showing the shape of Example 2 of the core portion of the electric wire of the present invention.
  • FIG. 3A to FIG. 3D are views for explaining the joint structure between the electric wire and the terminal according to the third embodiment of the present invention.
  • FIG. 1A to FIG. 1C are diagrams showing Example 1 of a joining structure formed by ultrasonically joining an electric wire 20 to a male terminal 10 of a connector
  • FIG. FIG. 1B is a state diagram after joining
  • FIG. 1C is a cross-sectional view in the length direction of the electric wire.
  • FIG. 2 is a schematic diagram illustrating the configuration and manufacturing procedure of an ultrasonic bonding apparatus that manufactures the bonding structure between the electric wire and the terminal according to the first embodiment.
  • the male terminal 10 has a contact portion 11 to be inserted into the female terminal using a strip-shaped metal plate, and a wire joint portion 12 to which the electric wire 20 is joined.
  • the tip of the contact portion 11 located on the female terminal side of the mating connector (the portion located on the left side of FIG. 1B) is formed in a pointed shape so that it can be easily inserted into the female terminal of the mating connector.
  • the electric wire joining part 12 is formed by being bent with respect to the contact part 11 in a direction orthogonal to the extending direction of the contact part 11, and on the back side in FIGS. 1A and 1B of the electric wire joining part 12.
  • a joining surface 13 is formed.
  • the wire joint portion 12 having the joint surface 13 orthogonal to the extending direction of the male terminal 10 is formed at one end of the male terminal 10.
  • the electric wire 20 is formed by covering a core wire 21 formed by combining a plurality of strands with an insulating coating 22. And as for the electric wire 20, the insulation coating 22 is peeled in the edge part joined to the male terminal 10, and the core wire part 23 is exposed.
  • a part of the core wire 21 exposed from the insulating coating 22 at one end of the electric wire is referred to as a core wire portion 23.
  • the front end surface of the core wire portion 23 of the electric wire 20 is pressed against the joint surface 13 of the male terminal 10. Then, as is well known, ultrasonic vibration is applied to the boundary between the bonding surface 13 and the distal end surface of the core wire portion 23 to perform ultrasonic bonding by atomic bonding. By ultrasonic bonding in this manner, the core wire portion 23 of the electric wire 20 is bonded to the electric wire bonding portion 12 of the male terminal 10 as shown in the cross-sectional view of FIG.
  • the dimension L of the joint portion 25 between the electric wire 20 and the male terminal 10 of the present embodiment is the sum of the thickness La of the member of the electric wire joint portion 12 and the length Lb in the wire length direction of the core wire portion 23 from which the insulation coating has been peeled off. Can be suppressed.
  • the length Lb of the core wire portion 23 can be made sufficiently short to such an extent that the insulating coating is not caught between the bonding surfaces.
  • the length Lb of the core wire portion 23 can be sufficiently shortened compared to the case of crimp bonding or conventional ultrasonic bonding, the length L in the wire length direction of the joint portion 25 can be made sufficiently short, It is possible to reduce the size of connectors and electrical devices or save space around those devices.
  • the joint surfaces are not rotated at high speed while being brought into press contact with each other as in friction welding, it is possible to simplify measures against fraying of the core wire 21 and twisting of the electric wires themselves, and a stable joint structure can be obtained.
  • the joint structure between the electric wire and the terminal of the first embodiment is, for example, placed and fixed on a pedestal called an anvil with the joint surface 13 of the male terminal 10 facing up, and the core wire of the electric wire 20 facing the joint surface 13.
  • the tip surface of the portion 23 is pressed, and ultrasonic waves are applied to at least the core wire portion 23 via an ultrasonic horn provided with an ultrasonic transducer.
  • ultrasonic vibration is applied to the boundary surface between the joint surface 13 and the front end surface of the core wire portion 23 to cause the front end surface of the core wire portion 23 to reciprocate along the boundary surface.
  • the oxide film and the like are removed, clean activated metal molecules appear on the boundary surface, metal atoms are diffused by receiving ultrasonic vibration, and solid-phase bonding is performed by atomic bonding.
  • the core wire portion 23 of the electric wire 20 is abutted and joined to the joint surface 13 of the electric wire joint portion 12. Therefore, the dimension L of the joint portion 25 between the electric wire 20 and the male terminal 10 is suppressed to the sum of the thickness La of the member of the electric wire joint portion 12 and the length Lb in the wire length direction of the core wire portion 23 from which the insulation coating has been peeled off. it can.
  • the length Lb of the core wire portion 23 can be sufficiently shortened compared to the case of crimp bonding or conventional ultrasonic bonding, the length L in the wire length direction of the joint portion 25 can be made sufficiently short, It is possible to reduce the size of connectors and electrical devices or save space around those devices.
  • fraying of the core wire 21 and twisting of the electric wire itself can be prevented, and a bonded portion having stable properties and excellent bonding quality can be formed.
  • the ultrasonic bonding is performed by interposing a known serration between the bonding surface 13 of the male terminal 10 and the front end surface of the core portion 23 of the electric wire 20, the reliability of the bonding can be stably secured.
  • FIG. 2 shows the configuration of the core portion 26 of the electric wire 20 used for the connection structure between the electric wire and the terminal according to the second embodiment of the present invention.
  • the male terminal 10 of the present embodiment is the same as that of the first embodiment, and the shape of the core wire portion 26 of the electric wire 20 is different.
  • the tip end of the core wire portion 26 is formed into a rectangular parallelepiped shape by terminal processing such as forming. That is, the front end surface of the core part 26 is formed in a rectangle (in the illustrated example, a square).
  • the core wire 21 is a stranded wire
  • the strands of the core wire portion 23 are subjected to work hardening by forming, pressing or ultrasonic bonding, and the core wire 21 can be prevented from fraying or bending, a more stable bonded structure can be obtained.
  • the front end surface of the core wire portion 26 is formed in a flat shape, no gap is generated between the front end surface and the joint surface 13 when the front end of the core wire portion 26 is pressed against the joint surface 13. An even more stable joining structure can be obtained.
  • the ultrasonic bonding structure of the second embodiment can be manufactured by applying the same method as described in the first embodiment.
  • FIG. 3A is a perspective view of the terminal 15 according to the third embodiment as viewed from the opposite side of the joint surface 16, and FIG. 3B is a perspective view of the terminal 15 as viewed from the joint surface 16 side.
  • FIG. 3C is a state diagram after joining, and FIG. 3D is a cross-sectional view in the electric wire length direction.
  • This embodiment is different from the first embodiment in that a recess 17 is formed in the joint surface 16, and the other points are the same as the first embodiment.
  • the recess 17 of this embodiment has a depth Ld at which the tip of the core wire portion 23 can be inserted for a predetermined length, and an inner diameter D that can be fitted.
  • the dimension L of the joint portion 28 between the electric wire 20 and the male terminal 10 of this embodiment is the thickness of the plate material of the electric wire joint portion 12. It is the sum of the length Lb in the electric wire length direction of the core wire part 23 from which La and the insulation coating are peeled off.
  • the ultrasonic bonding structure of the third embodiment can be manufactured by applying the same method as described in the first embodiment.
  • the ultrasonic bonding can be performed in a state where the tip of the core wire portion 23 is inserted into the recess 17 provided on the bonding surface 16, fraying or bending of the core wire 21 can be further prevented.
  • ultrasonic bonding can be performed without forming or pressing the distal end surface of the core wire 21 into a rectangular shape as in the second embodiment.
  • the terminal process which makes the front end surface of the core wire 21 into a rectangle in a rectangular shape and press can also be performed.
  • the strands of the core wire portion 23 are subjected to work hardening by the terminal treatment, so that the core wire 21 can be further prevented from being frayed or bent.
  • a wire joint (12) having a joint surface (13) orthogonal to the extending direction of the terminal (10) is formed at one end of the terminal (10), and the wire (20) is formed on the joint surface (13).
  • the electric wire (20) and the terminal (10) according to the above [1], wherein a recess (17) into which a tip of the core wire portion (23) can be fitted is formed on the joint surface (16). Bonding structure with.
  • the present invention it is possible to shorten the dimension of the joint portion between the electric wire and the terminal in the electric wire length direction and to form a stable joint portion.
  • the present invention exhibiting this effect is useful for the connection structure between the electric wire and the terminal.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Connections Effected By Soldering, Adhesion, Or Permanent Deformation (AREA)
  • Manufacturing Of Electrical Connectors (AREA)
  • Pressure Welding/Diffusion-Bonding (AREA)

Abstract

La présente invention est caractérisée par une structure de jonction résultant d'une section de jonction d'un fil électrique (12) ayant une surface de jonction (13) perpendiculaire à la direction d'extension d'une borne (10), formée à une extrémité de la borne (10), et le bout d'un fil de cœur (23) exposé hors d'une couverture isolante (22) d'un fil électrique (20), réuni par ultrasons à la surface de jonction (13).
PCT/JP2014/060432 2013-04-11 2014-04-10 Fil électrique, borne et structure de jonction Ceased WO2014168215A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2013083419A JP6288932B2 (ja) 2013-04-11 2013-04-11 電線と端子との接合構造
JP2013-083419 2013-04-11

Publications (1)

Publication Number Publication Date
WO2014168215A1 true WO2014168215A1 (fr) 2014-10-16

Family

ID=51689619

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2014/060432 Ceased WO2014168215A1 (fr) 2013-04-11 2014-04-10 Fil électrique, borne et structure de jonction

Country Status (2)

Country Link
JP (1) JP6288932B2 (fr)
WO (1) WO2014168215A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017082036A1 (fr) * 2015-11-12 2017-05-18 住友電装株式会社 Élément conducteur, élément conducteur équipé d'une borne, et procédé de fabrication d'élément conducteur
EP4131671A4 (fr) * 2020-04-01 2023-10-11 Jilin Zhong Ying High Technology Co., Ltd. Connecteur profilé
EP4131661A4 (fr) * 2020-04-01 2023-10-18 Jilin Zhong Ying High Technology Co., Ltd. Nouvelle borne de raccordement de fil conducteur et joint de soudure

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7336453B2 (ja) * 2018-03-13 2023-08-31 ヒドロ・エクストゥルーデッド・ソリューションズ・アーエス フラットケーブル接続部
WO2020105152A1 (fr) * 2018-11-21 2020-05-28 株式会社オートネットワーク技術研究所 Fil électrique équipé de bornes
JP2021190210A (ja) 2020-05-27 2021-12-13 矢崎総業株式会社 導体接続構造

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000323203A (ja) * 1999-05-07 2000-11-24 Yazaki Corp シールド電線の接続構造及びシールド端子接続方法
JP2003338350A (ja) * 2002-05-20 2003-11-28 Mitsubishi Cable Ind Ltd 端子接続方法及び端子接続構造
JP2003338349A (ja) * 2002-05-20 2003-11-28 Mitsubishi Cable Ind Ltd 端子接続方法及び端子接続構造
JP2004095293A (ja) * 2002-08-30 2004-03-25 Yazaki Corp 電線の超音波接合方法
JP2004311061A (ja) * 2003-04-02 2004-11-04 Yazaki Corp 摩擦圧接法による電線導体と端子の接続方法
WO2013191250A1 (fr) * 2012-06-21 2013-12-27 矢崎総業株式会社 Construction de jonction et procédé de jonction permettant de joindre une borne d'un câble coaxial à une autre borne

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Publication number Priority date Publication date Assignee Title
JP3119434B2 (ja) * 1995-09-29 2000-12-18 矢崎総業株式会社 電線とタブ状端子との接続構造および接続方法
JP2012028076A (ja) * 2010-07-21 2012-02-09 Auto Network Gijutsu Kenkyusho:Kk 電線付き端子金具およびその製造方法
JP5622051B2 (ja) * 2011-05-25 2014-11-12 住友電装株式会社 基板用端子およびそれを用いた基板用コネクタ

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000323203A (ja) * 1999-05-07 2000-11-24 Yazaki Corp シールド電線の接続構造及びシールド端子接続方法
JP2003338350A (ja) * 2002-05-20 2003-11-28 Mitsubishi Cable Ind Ltd 端子接続方法及び端子接続構造
JP2003338349A (ja) * 2002-05-20 2003-11-28 Mitsubishi Cable Ind Ltd 端子接続方法及び端子接続構造
JP2004095293A (ja) * 2002-08-30 2004-03-25 Yazaki Corp 電線の超音波接合方法
JP2004311061A (ja) * 2003-04-02 2004-11-04 Yazaki Corp 摩擦圧接法による電線導体と端子の接続方法
WO2013191250A1 (fr) * 2012-06-21 2013-12-27 矢崎総業株式会社 Construction de jonction et procédé de jonction permettant de joindre une borne d'un câble coaxial à une autre borne

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017082036A1 (fr) * 2015-11-12 2017-05-18 住友電装株式会社 Élément conducteur, élément conducteur équipé d'une borne, et procédé de fabrication d'élément conducteur
JP2017091860A (ja) * 2015-11-12 2017-05-25 住友電装株式会社 導電部材、端子付導電部材及び導電部材製造方法
CN108140958A (zh) * 2015-11-12 2018-06-08 住友电装株式会社 导电构件、带有端子的导电构件及导电构件制造方法
US10395793B2 (en) 2015-11-12 2019-08-27 Sumitomo Wiring Systems, Ltd. Conductive member, terminal-equipped conductive member, and method of manufacturing conductive member
EP4131671A4 (fr) * 2020-04-01 2023-10-11 Jilin Zhong Ying High Technology Co., Ltd. Connecteur profilé
EP4131661A4 (fr) * 2020-04-01 2023-10-18 Jilin Zhong Ying High Technology Co., Ltd. Nouvelle borne de raccordement de fil conducteur et joint de soudure
US12362511B2 (en) 2020-04-01 2025-07-15 Jilin Zhong Ying High Technology Co., Ltd. Wire connection terminal and welding joint

Also Published As

Publication number Publication date
JP2014207108A (ja) 2014-10-30
JP6288932B2 (ja) 2018-03-07

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