WO2014077143A1 - Câble électrique tressé à raccord connecteur - Google Patents

Câble électrique tressé à raccord connecteur Download PDF

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Publication number
WO2014077143A1
WO2014077143A1 PCT/JP2013/079774 JP2013079774W WO2014077143A1 WO 2014077143 A1 WO2014077143 A1 WO 2014077143A1 JP 2013079774 W JP2013079774 W JP 2013079774W WO 2014077143 A1 WO2014077143 A1 WO 2014077143A1
Authority
WO
WIPO (PCT)
Prior art keywords
wire
fixing portion
conductor connecting
connecting portion
terminal fitting
Prior art date
Application number
PCT/JP2013/079774
Other languages
English (en)
Japanese (ja)
Inventor
昭弘 永渕
誠道 西島
Original Assignee
株式会社オートネットワーク技術研究所
住友電装株式会社
住友電気工業株式会社
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 株式会社オートネットワーク技術研究所, 住友電装株式会社, 住友電気工業株式会社 filed Critical 株式会社オートネットワーク技術研究所
Publication of WO2014077143A1 publication Critical patent/WO2014077143A1/fr

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    • 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
    • H01R4/187—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 combined with soldering or 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
    • 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
    • H01R43/0214—Resistance 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
    • 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

Definitions

  • the present invention relates to an electric wire with a terminal fitting.
  • a wire described in Patent Document 1 is known as an electric wire with a terminal fitting in which a terminal is connected to an electric wire formed by covering a core wire composed of a plurality of metal wires with a covering.
  • the brazing material is placed on the terminal fitting, and the core wire of the electric wire is superposed on the brazing material and heated to electrically connect the terminal fitting and the core wire with the brazing material. is doing.
  • the present invention has been completed based on the above situation, and an object thereof is to electrically connect a terminal fitting and an electric wire without using a brazing material.
  • the present invention provides an electric wire with a terminal fitting in which a terminal fitting made of copper or copper alloy is connected to a conductor made of a plurality of copper or copper alloy strands,
  • the element wire is tin-plated, and by heating the element wire and the terminal fitting in a range of 250 ° C. or more and 1000 ° C. or less while pressurizing the element wire and the terminal fitting, the element wire and the terminal fitting are electrically connected with tin. It is characterized by being connected and secured. According to such a configuration, by heating the copper element wire and the terminal fitting to 250 ° C.
  • the conductor may be a braided wire formed by weaving the strands.
  • the braided wire is generally formed by braiding thin tin-plated strands, so that when the strands are heated while being pressed as in the above configuration, the tin is firmly attached between the strands and the terminal fittings. And an electric wire with terminal fittings in which tin has entered without any gap between the strands. Thereby, it can maintain in the state to which the strand and the terminal metal fitting were firmly fixed, making it into the state gathered, without breaking a strand.
  • the terminal fitting and the electric wire can be electrically connected without using a brazing material.
  • Embodiment 1 Sectional drawing which shows the state before welding a terminal metal fitting and a braided wire Sectional drawing which shows the state which welded and fixed the terminal metal fitting and the braided wire
  • Sectional drawing equivalent to FIG. 3 in Embodiment 2 Sectional drawing equivalent to FIG. 3 in Embodiment 3
  • Sectional drawing equivalent to FIG. 3 in Embodiment 4 Sectional drawing equivalent to FIG. 3 in other embodiment Sectional drawing equivalent to FIG. 3 in other embodiment Sectional drawing equivalent to FIG. 3 in other embodiment Sectional drawing equivalent to FIG. 3 in other embodiment Sectional drawing equivalent to FIG. 3 in other embodiment Sectional drawing equivalent to FIG. 3 in other embodiment Sectional drawing equivalent to FIG. 3 in other embodiment
  • Embodiment 1 of the present invention will be described with reference to FIGS.
  • a female terminal an example of a “terminal fitting” 30 is electrically connected to a terminal of a braided wire (an example of a “conductor”) 20 by welding.
  • a braided wire with a terminal fitting (an example of a “wire with a terminal fitting”) 10 is illustrated.
  • the vertical direction refers to the vertical direction in FIG. 2
  • the front-back direction refers to the right back side in FIG. 1 as the front and the left front side as the back.
  • the female terminal 30 is formed by pressing a plate made of copper or a copper alloy. As shown in FIGS. 1 and 4, the rectangular tube-shaped connecting tube portion 31 and the bottom plate 31 ⁇ / b> A in the connecting tube portion 31 are formed. And a wire adhering portion 32 connected to the rear of the device. A plurality of elastic pieces 33 are provided in the connection cylinder portion 31, and these elastic pieces 33 elastically contact a male terminal (not shown) inserted into the connection cylinder portion 31, thereby allowing female terminals 30 and the male terminal are electrically connected.
  • the wire fixing portion 32 has a flat plate shape, and a tin plating layer (not shown) is formed on the surface of the wire fixing portion 32 by tin plating.
  • the braided wire 20 has a cylindrical shape, and as shown in FIG. 1, a plurality of thin strands 21 made of copper or copper alloy are woven into a mesh shape. Similar to the wire fixing part, a tin plating layer (not shown) is formed on the surface of the strand 21 by applying tin plating, and oxidation of the strand 21 and generation of rust are suppressed.
  • the terminal of the braided wire 20 is provided with a conductor connecting portion 22 that is electrically connected to the wire fixing portion 32 of the female terminal 30 by resistance welding. As shown in FIG. 2, the conductor connecting portion 22 has a hollow shape before welding, but is placed on the upper surface of the wire fixing portion 32 and resistance-welded, so that FIG. 1 and FIG. As shown in FIG. 3, it is fixed by molten tin from the tinned layer of the wire fixing portion 32 and the wire 21, and is fixed to the wire fixing portion 32 in a wide solid shape.
  • the conductor connecting portion 22 includes a preceding fixing portion 23 that is welded and fixed to the wire fixing portion 32 in advance of the conductor connecting portion 22, and a preceding fixing portion 23. And a subsequent fixing portion 24 which is welded and fixed to the electric wire fixing portion 32.
  • the preceding fixing portion 23 is provided at both side edges in the width direction of the conductor connecting portion 22.
  • the thicknesses in the vertical direction of the two preceding fixing portions 23 are formed to be the smallest in the thickness dimension in the vertical direction of the conductor connecting portion 22, and the upper surface of the preceding fixing portion 23 is the wire fixing portion 32. It is formed so as to be substantially parallel to the upper surface.
  • the subsequent fixing portion 24 is provided between the two preceding fixing portions 23 and is continuous with the two preceding fixing portions 23 in the width direction. Further, the upper portion of the succeeding fixing portion 24 has a shape that bulges upward in an arc shape, and is formed so that the thickness dimension in the vertical direction of the substantially central portion in the width direction is maximized. That is, the upper surface of the subsequent fixing portion 24 has a form that bulges above the upper surface of the preceding fixing portion 23 between the two preceding fixing portions 23.
  • the manufacturing method which manufactures the braided wire 10 with a terminal metal fitting is demonstrated.
  • the female terminal 30 is first set in the welding apparatus 50.
  • the welding apparatus 50 includes a pair of upper and lower electrodes 51 and 52, and the upper surface 52A of the lower electrode 52 disposed on the lower side is formed flat.
  • the upper electrode 51 disposed on the upper side is arranged to face the lower electrode 52.
  • the upper electrode 51 includes a pair of preceding welded portions 53 formed at the lower end edges on both sides in the width direction and an escape recess 54 provided between the pair of preceding welded portions 53.
  • the pair of preceding welded portions 53 are disposed at the lowermost end of the upper electrode 51, and the lower surface of the preceding welded portion 53 is disposed to face the upper surface 52 ⁇ / b> A of the lower electrode 52.
  • the relief recess 54 has a shape that is concaved in an arc shape toward the upper side so as to be continuous with the pair of preceding welds 53 in the width direction, and is formed so that the center portion in the width direction is deepest.
  • the wire fixing portion 32 of the female terminal 30 is placed on the upper surface 52A of the lower electrode 52 as shown in FIG. At this time, since the wire fixing portion 32 has a flat shape, the wire fixing portion 32 is in surface contact with the lower electrode 52. Further, when the female terminal 30 is disposed on the upper surface 52A of the lower electrode 52, the pair of guide portions 55 are disposed so as to sandwich the wire fixing portion 32 from both sides in the width direction.
  • the conductor connecting portion 22 of the braided wire 20 is placed on the upper surface of the wire fixing portion 32, and the upper electrode 51 placed above the conductor connecting portion 22 is pressed from above.
  • the conductor connecting portion 22 and the wire fixing portion 32 are sandwiched and pressed in the vertical direction by the lower electrode 52 and the upper electrode 51.
  • the conductor connecting portion 22 and the wire fixing portion 32 are pressurized, the conductor connecting portion 22 is crushed at the substantially central portion in the width direction of the conductor connecting portion 22 and spreads to both sides in the width direction. On the other hand, it is clamped in the up-down direction by the pair of electrodes 51, 52.
  • the substantially central portion in the width direction (subsequent fixing portion 24) of the conductor connecting portion 22 escapes to the upper electrode 51 and is accommodated in the concave portion 54 so as to be sandwiched between the electrodes 51 and 52.
  • the conductor connecting portion 22 can be held between the electrodes 51 and 52 while relaxing the conductor connecting portion 22 from spreading in the width direction. That is, the wire 21 of the conductor connecting portion 22 can be prevented from protruding outside from both sides in the width direction of the wire fixing portion 32.
  • the both side edges (preceding fixing portion 23) in the width direction of the conductor connecting portion 22 are paired.
  • the thickness dimension in the vertical direction is the smallest among the conductor connecting portions 22.
  • a current is passed between the electrodes 51 and 52 while the conductor connecting portion 22 and the wire fixing portion 32 are sandwiched between the electrodes 51 and 52 in the vertical direction, and the conductor connecting portion 22 and the wire fixing portion 32 are connected.
  • the heating temperature exceeds 231.9 ° C., which is the melting point of tin, tin is melted from the tin plating layer formed on the wire 21 and the wire fixing portion 32 of the conductor connection portion 22.
  • the thickness dimension of both side edges in the width direction in the conductor connecting portion 22 is made the smallest, and the distance between the electrodes 51 and 52 at the position where the pair of preceding welded portions 53 are arranged is the largest.
  • the electric charges are concentrated on both side edges in the width direction of the conductor connecting portion 22, so that both side edges in the width direction of the conductor connecting portion 22 are preceded.
  • the both sides of the width direction of the conductor connecting portion 22 can be brought into close contact with the wire fixing portion 32 to form the preceding fixing portion 23.
  • the preceding fixing part 23 can be brought into close contact with the wire fixing part 32 as soon as possible. Then, after both of the preceding fixing portions 23 are in close contact with the wire fixing portion 32, the conductor connecting portion 22 accommodated in the relief recess 54 of the upper electrode 51 is in close contact with the electric wire fixing portion 32 to form the subsequent fixing portion 24. The Thereby, the conductor connecting portion 22 and the wire fixing portion 32 can be firmly adhered without spilling the strand 21 of the conductor connecting portion 22 from the upper surface of the wire fixing portion 32.
  • the preceding fixing portion 23 when the thickness of the preceding fixing portion 23 is made the smallest in the conductor connecting portion 22 and current is passed between the electrodes 51 and 52, the electric charge is concentrated on the leading fixing portion 23. Therefore, the preceding fixing portion 23 can be brought into close contact with the other portion of the conductor connecting portion 22 (the subsequent fixing portion 24) in advance. Further, when the conductor connecting portion 22 is sandwiched between the electrodes 51 and 52, the subsequent fixing portion 24 accommodated in the relief recess 54 of the upper electrode 51 is provided, so that the conductor connecting portion 22 is arranged in the width direction. Can spread out. Thereby, before the strand 21 of the conductor connection part 22 spills from the wire fixing part 32, the conductor connection part 22 and the wire fixing part 32 can be fixed firmly.
  • Embodiment 2 of the present invention will be described with reference to FIG.
  • the braided wire 11 with terminal metal fittings of the second embodiment is obtained by changing the shape of the subsequent fixing portion 24 in the first embodiment, and the configuration, operation, and effect common to the first embodiment are duplicated, and therefore the description thereof is omitted. Is omitted.
  • the same reference numerals are used for the same configurations as those in the first embodiment.
  • the subsequent fixing portion 70 differs from the first embodiment in that the shape of the upper portion of the subsequent fixing portion 70 bulges upward in a substantially rectangular shape.
  • the cross-sectional shape of the upper portion of the subsequent fixing portion 70 rises straight upward from the inner upper end portions of the two preceding fixing portions 23 and connects these upper end portions in the width direction. It is said that. That is, the cross-sectional shape of the relief recess 57 provided in the upper electrode 51 of the second embodiment is substantially rectangular, and the preceding welds 58 provided on both sides of the upper electrode 51 in the width direction are the other parts of the upper electrode 51. Compared to the portion, the shape protrudes downward.
  • succeeding fixing portion 70 has risen from the inner end portion of the preceding fixing portion 23, for example, compared to the succeeding fixing portion that gently bulges upward from the position of the upper surface of the preceding fixing portion. Further, it is possible to further alleviate the spreading of the conductor connecting portion 22 in the width direction. As a result, the manufacturing cost of the braided wire 11 with terminal fittings can be reduced, and the conductive wire 21 is not spilled from the wire fixing portion 32 or the braided wire 20 and the female terminal 30 are not weakened.
  • the body connecting portion 22 and the wire fixing portion 32 can be firmly fixed and electrically connected.
  • Embodiment 3 of the present invention will be described with reference to FIG.
  • the braided wire 12 with terminal fittings of the third embodiment is obtained by changing the shape of the wire fixing portion 32 and the shape of the subsequent fixing portion 24 in the first embodiment. Since the effect is duplicated, its description is omitted.
  • the same reference numerals are used for the same configurations as those in the first embodiment.
  • the electric wire fixing portion 34 in the third embodiment is a pair of flat plate portions 35 with both side edges in the width direction slightly extending in the width direction, and the flat plate portions 35 are connected in a circular arc shape between the pair of flat plate portions 35.
  • the bulging portion 36 bulges downward.
  • the subsequent fixing portion 71 is substantially the same as the shape obtained by inverting the shape of Embodiment 1 upside down, and the lower portion of the subsequent fixing portion 71 corresponds to the shape of the bulging portion 36 of the wire fixing portion 34. It bulges downward.
  • the lower surface 151A of the upper electrode 151 is a flat surface, and the relief that is recessed downward on the upper surface of the lower electrode 152 along the shape of the wire fixing portion 34.
  • a recess 154 is provided.
  • the thickness dimension in the vertical direction of both side edges in the width direction of the conductor connecting portion 22 is the smallest compared to the thickness dimension of other portions of the conductor connecting portion 22.
  • both side edges in the width direction of the conductor connecting portion 22 are formed.
  • a pair of preceding fixing portions 23 are formed in close contact with the wire fixing portion 34, and then a substantially central portion in the width direction of the conductor connecting portion 22 is in close contact with the wire fixing portion 34 to form a subsequent fixing portion 71.
  • a pair of subsequent fixing portions 73 bulging upward in an arc shape are arranged in the width direction.
  • a central fixing portion 26 is formed between the pair of subsequent fixing portions 73 and provided at substantially the same height as the preceding fixing portion 23.
  • the central fixing portion 26 comes into close contact with the electric wire fixing portion 32 at substantially the same timing as when the preceding fixing portion 23 comes into close contact with the electric wire fixing portion 32. That is, for example, when trying to weld a conductor connecting portion having a large amount of radiation to a wide wire fixing portion, the conductor connecting portion can be sufficiently made into a wire fixing portion with only a pair of preceding fixing portions formed at both ends in the width direction. Although there is a possibility that welding cannot be performed, according to the present embodiment, since the central fixing portion 26 is provided in the central portion in the width direction, the conductor connecting portion 25 can be firmly fixed to the electric wire fixing portion 32.
  • the present invention is not limited to the embodiments described with reference to the above description and drawings.
  • the following embodiments are also included in the technical scope of the present invention.
  • the upper portion of the subsequent fixing portion 24 is configured to bulge upward in an arc shape.
  • the present invention is not limited to such a mode.
  • the lower portion of the subsequent fixing portion 71 and the bulging portion 36 of the electric wire fixing portion 34 are configured to bulge downward in an arc shape.
  • FIG. 1 the first embodiment, the upper portion of the subsequent fixing portion 24 is configured to bulge upward in an arc shape.
  • the present invention is not limited to such a mode.
  • the lower portion of the subsequent fixing portion 71 and the bulging portion 36 of the electric wire fixing portion 34 are configured to bulge downward in an
  • the lower portion of the subsequent fixing portion 74 and the bulging portion 37 may be formed in a rectangular shape, as shown in FIG. 10.
  • the lower portion of the subsequent fixing portion 75 and the bulging portion 38 may be configured to bulge downward in a triangular shape.
  • a plurality of subsequent fixing portions 76 and bulging portions 39 may be arranged in the width direction between the pair of preceding fixing portions 23.
  • the present invention is not limited to such an embodiment.
  • the conductor connecting portion 22 is configured to be in close contact with both sides in the width direction, but the present invention is not limited to such an embodiment.

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Connections Effected By Soldering, Adhesion, Or Permanent Deformation (AREA)

Abstract

Cette invention concerne un câble tressé à raccord connecteur (10) comprenant un connecteur femelle (30) comprenant du cuivre ou un alliage de cuivre et qui est raccordé à un câble tressé (20) formé par tressage d'une pluralité de fils de cuivre ou d'alliage de cuivre (21). Ledit câble est caractérisé en ce que : les fils (21) sont étamés ; et une section de connexion de conducteur (22) ainsi qu'une section de fixation de câble électrique (32) sont mises en contact électrique et fixées par apport d'étain et par pression de la section de connexion de conducteur (22) disposée à l'extrémité du câble tressé (20) et de la section de fixation de câble électrique (32) disposée sur le raccord femelle (30), pendant que l'ensemble est chauffé à une température allant de 250 à 1 000 °C.
PCT/JP2013/079774 2012-11-16 2013-11-01 Câble électrique tressé à raccord connecteur WO2014077143A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2012-252161 2012-11-16
JP2012252161 2012-11-16

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WO2014077143A1 true WO2014077143A1 (fr) 2014-05-22

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017082140A1 (fr) * 2015-11-12 2017-05-18 住友電装株式会社 Procédé de fabrication d'élément conducteur équipé d'une borne, et élément conducteur
WO2017082157A1 (fr) * 2015-11-12 2017-05-18 住友電装株式会社 Procédé de fabrication d'élément conducteur, élément conducteur, et moule

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002160069A (ja) * 2000-11-27 2002-06-04 Honda Motor Co Ltd 端子の接合方法
JP2006190662A (ja) * 2004-12-10 2006-07-20 Hitachi Cable Ltd 配線材およびその製造方法、並びにその製造に用いる抵抗溶接機

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002160069A (ja) * 2000-11-27 2002-06-04 Honda Motor Co Ltd 端子の接合方法
JP2006190662A (ja) * 2004-12-10 2006-07-20 Hitachi Cable Ltd 配線材およびその製造方法、並びにその製造に用いる抵抗溶接機

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017082140A1 (fr) * 2015-11-12 2017-05-18 住友電装株式会社 Procédé de fabrication d'élément conducteur équipé d'une borne, et élément conducteur
WO2017082157A1 (fr) * 2015-11-12 2017-05-18 住友電装株式会社 Procédé de fabrication d'élément conducteur, élément conducteur, et moule
JP2017091864A (ja) * 2015-11-12 2017-05-25 住友電装株式会社 端子付導電部材製造方法及び導電部材
JP2017091862A (ja) * 2015-11-12 2017-05-25 住友電装株式会社 導電部材製造方法、導電部材及び金型
CN108369843A (zh) * 2015-11-12 2018-08-03 住友电装株式会社 导电部件的制造方法、导电部件以及模具
US10186824B2 (en) 2015-11-12 2019-01-22 Sumitomo Wiring Systems, Ltd. Production method for conductive member, conductive member, and mold
US10411429B2 (en) 2015-11-12 2019-09-10 Sumitomo Wiring Systems, Ltd. Production method for conductive member, conductive member, and mold

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