EP3611800B1 - Mit klemmen ausgestatteter elektrischer draht - Google Patents

Mit klemmen ausgestatteter elektrischer draht Download PDF

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Publication number
EP3611800B1
EP3611800B1 EP19190819.3A EP19190819A EP3611800B1 EP 3611800 B1 EP3611800 B1 EP 3611800B1 EP 19190819 A EP19190819 A EP 19190819A EP 3611800 B1 EP3611800 B1 EP 3611800B1
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EP
European Patent Office
Prior art keywords
terminal
conductor
compression
mass
tensile strength
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EP19190819.3A
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English (en)
French (fr)
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EP3611800A1 (de
Inventor
Inoue RYO
Sato Tetsuro
Endo YUJU
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Proterial Ltd
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Hitachi Metals Ltd
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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
    • H01R4/20—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 using a crimping sleeve
    • 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
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R11/00—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts
    • H01R11/11—End pieces or tapping pieces for wires, supported by the wire and for facilitating electrical connection to some other wire, terminal or conductive member
    • H01R11/12—End pieces terminating in an eye, hook, or fork
    • 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

Definitions

  • the present disclosure relates to a terminal-equipped electric wire.
  • a conventionally known terminal-equipped electric wire has a configuration below.
  • the terminal-equipped electric wire includes an electric wire and a compression terminal.
  • the electric wire includes a conductor and a covering.
  • the conductor is formed of, for example, an element wire.
  • the element wire is also referred to as a "single wire".
  • the conductor is, for example, a strand formed of multiple element wires twisted together.
  • the covering covers an outer periphery of the conductor. At an end of the electric wire, the covering is removed, and the conductor is exposed. By inserting the exposed conductor into the compression terminal and then externally compressing the compression terminal, the compression terminal is fixed to the electric wire.
  • Such a terminal-equipped electric wire is disclosed, for example, in Japanese Unexamined Patent Application Publication No.
  • US 3,912,358 A discloses an aluminum alloy compression type connector for use with aluminum or copper conductors.
  • a body of the connector is formed of an aluminum alloy with a pad portion of the body having a higher tensile strength than a barrel portion of the body.
  • a ratio of an electrical resistance value in a contact portion of the compression terminal to an electrical resistance value of the electric wire is referred to as an "electrical resistance ratio".
  • the electrical resistance ratio of the terminal-equipped electric wire is required to be further reduced.
  • One aspect of the present disclosure is to provide a terminal-equipped electric wire that enables a reduced electrical resistance ratio.
  • a terminal-equipped electric wire of the present disclosure comprises an electric wire and a compression terminal.
  • the electric wire comprises a conductor and a covering.
  • the conductor is formed of, for example, an element wire.
  • the element wire is also referred to as a "single wire".
  • the conductor may be, for example, a strand formed of multiple element wires twisted together.
  • the conductor is formed of a strand, the element wires forming the strand are usually made of a same material.
  • the covering covers an outer periphery of the conductor.
  • the covering is made of an insulating material, such as resin and rubber.
  • the covering is partially removed, thereby exposing the conductor.
  • an exposed conductor is referred to as an "exposed portion”.
  • the compression terminal is fixed to the exposed portion.
  • the terminal-equipped electric wire has a configuration, for example, as shown in FIGS. 1 , 2 , and 3 .
  • a terminal-equipped electric wire 1 comprises an electric wire 2 and a compression terminal 5.
  • the electric wire 2 comprises a conductor 3 and a covering 4.
  • the covering 4 covers an outer periphery of the conductor 3. At an end of the electric wire 2, the covering 4 is removed, and the conductor 3 is exposed.
  • the conductor 3 shown in FIGS. 1 , 2 , and 3 corresponds to the exposed portion.
  • the compression terminal 5 comprises a contact portion 7 and an extending portion 9.
  • the compression terminal 5 is obtained, for example, by press-working one end of a pipe.
  • the one end corresponds to the extending portion 9.
  • the compression terminal 5 may be obtained, for example, by drilling a first end of a columnar base material, and press-working a second end thereof.
  • the first end corresponds to the contact portion 7.
  • the second end corresponds to the extending portion 9.
  • the contact portion 7 has a cylindrical shape with one open end.
  • the extending portion 9 is connected to an end of the contact portion 7 opposite to the open end.
  • the extending portion 9 has a plate shape to allow attachment to a not-shown terminal base.
  • the extending portion 9 has a bolt hole 11 to allow a not-shown bolt to pass therethrough.
  • the terminal-equipped electric wire 1 is produced, for example, as described below.
  • the compression load is referred to as a "compression load during production”.
  • a direction of the compression load during production is a direction to radially contract the contact portion 7 and the conductor 3.
  • the compression load during production is removed, and a finished terminal-equipped electric wire 1 shown in FIG. 3 is obtained.
  • an inner peripheral surface of the contact portion 7 contacts an outer peripheral surface of the conductor 3.
  • a specified pressure is applied to the contact portion 7, for example, using a compression tool to cause compression deformation of the contact portion 7.
  • the compression deformation is plastic deformation.
  • the compression deformation is caused at multiple points. In a case of compression deformation at multiple points, improved properties of the terminal-equipped electric wire can be obtained.
  • the multiple points for compression are to be spaced apart from one another along a longitudinal direction of the conductor 3.
  • the element wires forming the conductor 3 are made of a first material comprising aluminum as a main component.
  • the main component means a component that accounts for 50% or more by mass of the entire mass.
  • At least a part of the compression terminal that contacts the exposed portion of the conductor 3 is made of a second material comprising aluminum as a main component. In an embodiment shown in FIGS. 1 , 2 , and 3 , the contact portion 7 is made of the second material.
  • Either the first material or the second material is not limited to a particular material, and is pure aluminum or aluminum alloys as described below.
  • Pure aluminum is a material consisting of Al and inevitable impurities.
  • Examples of pure aluminum include electrically conductive pure aluminum (hereinafter also referred to as "ECAl").
  • aluminum alloys examples include Al-Fe-Zr and Al-Zr detailed below.
  • Al-Fe-Zr an aluminum alloy comprising 0.2 to 1.0% by mass of Fe (iron), 0.01 to 0.10% by mass of Zr (zirconium), 0.1% by mass or less of Si (silicon), 0.01% by mass or less of Cu (copper), 0.01% by mass or less of Mn (manganese), 0.01% by mass or less of Mg (magnesium), 0.01% by mass or less of Zn (zinc), 0.01% by mass or less of Ti (titanium), and 0.01% by mass or less of V (vanadium), with the remainder comprising Al and inevitable impurities.
  • Al-Zr an aluminum alloy comprising 0.03 to 1.5% by mass of Zr and 0.1 to 1.0% by mass of Fe and Si, with the remainder comprising Al and inevitable impurities.
  • 0.1 to 1.0% by mass of Fe and Si means the following: In a case of comprising both of Fe and Si, a summed concentration of Fe and Si is 0.1 to 1.0% by mass. In a case of comprising Fe and not comprising Si, Fe concentration is 0.1 to 1.0% by mass. In a case of comprising Si and not comprising Fe, Si concentration is 0.1 to 1.0% by mass.
  • the first material has a tensile strength greater than a tensile strength of the second material.
  • a measurement method of the tensile strength of the first material is as described below.
  • a test piece is cut from the element wire forming the conductor.
  • a tensile test on the test piece is conducted by a method according to Japanese Industrial Standards (JIS) Z2241, to thereby measure a tensile strength.
  • JIS Japanese Industrial Standards
  • the tensile test is conducted with a test speed of 10%/min and a gauge length of 200 mm.
  • a measurement method of the tensile strength of the second material is as described below.
  • a test piece of a 2 mm by 2 mm square rod is cut from a part, which contacts the exposed portion, of the compression terminal.
  • a tensile test on the test piece is conducted by a method according to JIS Z2241, to thereby measure a tensile strength.
  • the tensile test is conducted with a test speed of 10%/min and a gauge length of 20 mm.
  • the conductor 3 is formed of a strand
  • multiple element wires are preferably made of a same material.
  • the conductor 3 is, for example, formed of a complex strand.
  • the complex strand is formed by preparing a collective strand by twisting multiple metal element wires, and then twisting multiple collective strands together.
  • the conductor 3 is made of a complex strand
  • the tensile strength of the metal element wires forming the conductor 3 is equal to the tensile strength of the conductor 3, and the tensile strength of the collective strand.
  • a section area of a portion, to which the compression terminal is fixed, of the conductor 3 is defined as S1. Compression deformation has occurred in the portion to which the compression terminal is fixed.
  • a section area of a portion, to which the compression terminal is not fixed, of the conductor 3 is defined as S2. Compression deformation has not occurred in the portion to which the compression terminal is not fixed.
  • S1/S2 is preferably 0.5 or more and less than or equal to 0.95. When S1/S2 is within such range, the compression terminal holds the conductor with a greater holding force.
  • the terminal-equipped electric wire of the present disclosure may be used, for example, for buildings, wind power generations, railroads, and vehicles.
  • the terminal-equipped electric wire of the present disclosure has a small contact resistance between the conductor and the compression terminal.
  • an initial resistance ratio of the conductor is particularly small.
  • the initial resistance ratio means an electrical resistance ratio immediately after production of the terminal-equipped electric wire.
  • the terminal-equipped electric wire preferably has an electrical resistance ratio of 100% or less. Also, the contact resistance between the conductor and the compression terminal is preferably further small.
  • the terminal-equipped electric wire of the present disclosure allows reduction in the electrical resistance ratio. This enables reduction in local overheat in a joint between the conductor and the compression terminal. As a result, disconnection of the electric wire and contact failure between the conductor and the compression terminal can be inhibited.
  • FIG. 4 is a graph showing changes in compression strain and compression load of each of the conductor and the compression terminal in a case where the tensile strength of the first material is greater than the tensile strength of the second material, and where the compression load during production is applied to the compression terminal from its outer periphery, and subsequently the compression load during production is removed.
  • X1 is a curve showing changes in compression strain and compression load of the conductor in a case where the tensile strength of the first material is greater than the tensile strength of the second material, and where the compression load during production is applied to the compression terminal from its outer periphery, and subsequently the compression load during production is removed.
  • a point A represents the compression strain and the compression load of the conductor when the compression load during production is completely removed.
  • Y1 is a curve showing changes in compression strain and compression load of the compression terminal in a case where the tensile strength of the first material is greater than the tensile strength of the second material, and where the compression load during production is applied to the compression terminal from its outer periphery, and subsequently the compression load during production is removed.
  • a point B represents the compression strain and the compression load of the compression terminal when the compression load during production is completely removed.
  • the compression strain at the point A and the compression strain at the point B are equal.
  • the compression strain at each of the point A and the point B is an amount of strain when springback occurs.
  • the compression load at the point A is equal in magnitude to the tensile load at the point B.
  • the compression terminal and the conductor are compressed. After completely removing the compression load during production, springback occurs in the compression terminal and the conductor in accordance with an initial Young's modulus. Since the tensile strength of the first material forming the conductor is greater than the tensile strength of the second material forming a contact portion of the compression terminal, a springback amount of the conductor is greater than a springback amount of the contact portion.
  • the compression load at the point A occurs in the conductor.
  • the compression load occurring in the conductor is a force pressing the compression terminal in a radial direction of the conductor.
  • the tensile load occurs in the compression terminal.
  • the tensile load balances with the compression load occurring in the conductor. Accordingly, after the compression load during production is completely removed, a mutual pressing load occurs between the outer peripheral surface of the conductor and the inner peripheral surface of compression terminal.
  • Rc ⁇ / 2 r
  • ⁇ represents a resistivity of metal.
  • F represents a load applied between the metals
  • n represents the number of true contact portions
  • ⁇ represents a coefficient that is determined based on a type of deformation of the metal.
  • ⁇ is 0.3 or less.
  • ⁇ is more than 0.3 and less than or equal to 0.75.
  • plastic deformation “ ⁇ " is more than 1.
  • the terminal-equipped electric wire of the present disclosure can achieve a small electrical resistance ratio.
  • FIG. 5 is a graph showing changes in compression strain and compression load of each of the conductor and the compression terminal in a case where the tensile strength of the first material is smaller than the tensile strength of the second material, and where the compression load during production is applied to the compression terminal from its outer periphery, and subsequently the compression load during production is removed.
  • X2 is a curve showing changes in compression strain and compression load of the conductor in a case where the tensile strength of the first material is smaller than the tensile strength of the second material, and where the compression load during production is applied to the compression terminal from its outer periphery, and subsequently the compression load during production is removed.
  • a point C represents the compression strain and the compression load of the conductor when the compression load during production is completely removed.
  • Y2 is a curve showing changes in compression strain and compression load of the compression terminal in a case where the tensile strength of the first material is smaller than the tensile strength of the second material, and where the compression load during production is applied to the compression terminal from its outer periphery, and subsequently the compression load during production is removed.
  • a point D represents the compression strain and the compression load of the compression terminal when the compression load during production is completely removed.
  • the compression strain at the point C is greater than the compression strain at the point D.
  • the difference between the tensile strength of the first material and the tensile strength of the second material is preferably 20 MPa or more, and more preferably 30 MPa or more.
  • the 150°C current conduction test is a test in which a current is set to heat a sample to 150°C, and the current is conducted for 50 hours.
  • Terminal-equipped electric wires No.1 to No.6 in Table 1 were produced. Each of the terminal-equipped electric wires had a configuration as shown in FIG. 1 and FIG. 2 . Each of the terminal-equipped electric wires had a combination of the first material and the second material as shown in Table 1. Except for the combination of the first material and the second material, all the terminal-equipped electric wires were the same. In each of the terminal-equipped electric wires, all the element wires forming the conductor were made of a same material. In each of the terminal-equipped electric wires, the conductor had a section area of 200 mm 2 . The element wires forming the conductor each had a diameter of 0.45 mm. The number of element wires was 1,258.
  • ECAl ECAl in accordance with Japanese Industrial Standards (JIS) A1070 was used.
  • Al-Fe-Zr Aluminum alloy comprising 0.6% by mass of Fe, 0.02% by mass of Zr, 0.06% by mass of Si, 0.002% by mass of Cu, 0.002% by mass of Mn, and a total 0.006% by mass of Ti and V, and the remainder of Al.
  • Al-Zr Aluminum alloy comprising 0.34% by mass of Zr, 0.15% by mass of Fe, 0.1% by mass of Si, and a total 0.03% by mass of Ti and V, and the remainder of Al.
  • Table 1 No. Second Material First Material Tensile Strength Difference (MPa) Initial Resistance Ratio (%) 1 ECAL Al-Fe-Zr -46 73 2 ECAL Al-Zr -24 76 3 Al-Fe-Zr Al-Fe-Zr -33 74 4 Al-Fe-Zr Al-Zr -11 87 5 Al-Zr Al-Fe-Zr 60 118 6 Al-Zr Al-Zr 82 142
  • the tensile strength of the first material and the tensile strength of the second material were measured.
  • the measurement method was as described above.
  • a tensile tester produced by ORIENTEC Co., Ltd. was used for measuring the tensile strengths.
  • a value was calculated by subtracting the tensile strength of the first material from the tensile strength of the second material (hereinafter referred to as a "tensile strength difference").
  • Table 1 above shows the calculated tensile strength differences.
  • an initial resistance ratio was measured.
  • a measurement method of the initial resistance ratio was in accordance with JIS C2805. Specifically, measurement of the initial resistance ratio was conducted by a four-terminal method.
  • FIG. 6 shows a test specimen used for measurement of the initial resistance ratio.
  • the test specimen comprises the conductor 3 prepared by removing the covering from the electric wire 2, and the compression terminals 5 fixed to both ends of the conductor 3.
  • a constant current 1A was supplied to the entire test specimen.
  • a resistance R between a point P and a point Q was measured.
  • the point P was a position of a top end of the contact portion between the conductor 3 and the compression terminal 5.
  • the point Q was a position of the conductor 3 at which the conductor 3 did not contact the compression terminal 5.
  • a point S was at an end, opposite to the point P, of the contact portion between the conductor 3 and the compression terminal 5.
  • a resistance meter produced by HIOKI E.E. CORPORATION was used for measuring resistance.
  • R ratio R ⁇ L2 ⁇ ⁇ / L1 ⁇ ⁇
  • L1 represents a distance between the point P and the point S
  • L2 represents a distance between the point Q and the point S
  • ⁇ represents a resistance per unit length of the conductor 3.
  • ⁇ is a given value and may be, for example, measured in advance. Alternatively, “ ⁇ ” may be calculated by measuring a resistance in L2, and dividing the measured resistance by the length of L2.
  • FIG. 7 shows relationships between the tensile strength difference and the initial resistance ratio R ratio .
  • ECAl terminal means that the second material is ECAl.
  • Al-Fe-Zr terminal means that the second material is Al-Fe-Zr.
  • Al-Zr terminal means that the second material is Al-Zr.
  • the initial resistance ratio was smaller than when the tensile strength difference was a positive value. Also, in comparison between two terminal-equipped electric wires, each having a tensile strength difference of a negative value, the initial resistance ratio was smaller as an absolute value of the tensile strength difference was larger.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Conductive Materials (AREA)
  • Connections Effected By Soldering, Adhesion, Or Permanent Deformation (AREA)
  • Insulated Conductors (AREA)

Claims (5)

  1. Mit Klemmen ausgestatteter elektrischer Draht (1), umfassend:
    einen elektrischen Draht (2), der Folgendes umfasst:
    einen Leiter (3), der aus mindestens einem Elementdraht gebildet ist, und
    eine Ummantelung (4), die einen Außenumfang des Leiters bedeckt; und
    eine Kompressionsklemme (5), die an einem Ende des Leiters befestigt ist,
    wobei der mindestens eine Elementdraht aus einem ersten Material hergestellt ist, das Aluminium als eine Hauptkomponente umfasst,
    wobei zumindest ein Teil der Kompressionsklemme, der den Leiter berührt, aus einem zweiten Material hergestellt ist, das Aluminium als eine Hauptkomponente umfasst,
    wobei das zweite Material reines Aluminium ist, das aus Al und unvermeidbaren Verunreinigungen besteht,
    wobei das erste Material eine Zugfestigkeit aufweist, die höher als eine Zugfestigkeit des zweiten Materials ist,
    dadurch gekennzeichnet, dass das erste Material eine Aluminiumlegierung ist, die Folgendes umfasst:
    0,2 bis 1,0 Masse-% Fe;
    0,01 bis 0,10 Masse-% Zr;
    0,1 Masse-% oder weniger Si;
    0,01 Masse-% oder weniger Cu;
    0,01 Masse-% oder weniger Mn;
    0,01 Masse-% oder weniger Mg;
    0,01 Masse-% oder weniger Zn;
    0,01 Masse-% oder weniger Ti;
    0,01 Masse-% oder weniger V; und
    einen Rest, der Al und unvermeidbare Verunreinigungen umfasst, und
    wobei die Klemme mit mehreren zusammengepressten Punkten entlang einer Längsrichtung des Leiters versehen ist.
  2. Mit Klemmen ausgestatteter elektrischer Draht (1), umfassend:
    einen elektrischen Draht (2), der Folgendes umfasst:
    einen Leiter (3), der aus mindestens einem Elementdraht gebildet ist, und
    eine Ummantelung (4), die einen Außenumfang des Leiters bedeckt; und
    eine Kompressionsklemme (5), die an einem Ende des Leiters befestigt ist,
    wobei der mindestens eine Elementdraht aus einem ersten Material hergestellt ist, das Aluminium als eine Hauptkomponente umfasst,
    wobei zumindest ein Teil der Kompressionsklemme, der den Leiter berührt, aus einem zweiten Material hergestellt ist, das Aluminium als eine Hauptkomponente umfasst,
    wobei das zweite Material reines Aluminium ist, das aus Al und unvermeidbaren Verunreinigungen besteht,
    wobei das erste Material eine Zugfestigkeit aufweist, die höher als eine Zugfestigkeit des zweiten Materials ist,
    dadurch gekennzeichnet, dass das erste Material eine Aluminiumlegierung ist, die Folgendes umfasst:
    0,03 bis 1,5 Masse-% Zr;
    0,1 bis 1,0 Masse-% Fe und Si; und
    einen Rest, der Al und unvermeidbare Verunreinigungen umfasst, und
    wobei die Klemme mit mehreren zusammengepressten Punkten entlang einer Längsrichtung des Leiters versehen ist.
  3. Mit Klemmen ausgestatteter elektrischer Draht (1), umfassend:
    einen elektrischen Draht (2), der Folgendes umfasst:
    einen Leiter (3), der aus mindestens einem Elementdraht gebildet ist, und
    eine Ummantelung (4), die einen Außenumfang des Leiters bedeckt; und
    eine Kompressionsklemme (5), die an einem Ende des Leiters befestigt ist,
    wobei der mindestens eine Elementdraht aus einem ersten Material hergestellt ist, das Aluminium als eine Hauptkomponente umfasst,
    wobei zumindest ein Teil der Kompressionsklemme, der den Leiter berührt, aus einem zweiten Material hergestellt ist, das Aluminium als eine Hauptkomponente umfasst,
    wobei das erste Material eine Zugfestigkeit aufweist, die höher als eine Zugfestigkeit des zweiten Materials ist, und
    dadurch gekennzeichnet, dass das erste Material und das zweite Material jeweils Folgendes umfassen:
    0,2 bis 1,0 Masse-% Fe;
    0,01 bis 0,10 Masse-% Zr;
    0,1 Masse-% oder weniger Si;
    0,01 Masse-% oder weniger Cu;
    0,01 Masse-% oder weniger Mn;
    0,01 Masse-% oder weniger Mg;
    0,01 Masse-% oder weniger Zn;
    0,01 Masse-% oder weniger Ti;
    0,01 Masse-% oder weniger V; und
    einen Rest, der Al und unvermeidbare Verunreinigungen umfasst, wobei
    die Klemme mit mehreren zusammengepressten Punkten entlang einer Längsrichtung des Leiters versehen ist.
  4. Mit Klemmen ausgestatteter elektrischer Draht nach einem beliebigen der Ansprüche 1 bis 3,
    wobei die Zugfestigkeit des ersten Materials 20 MPa oder mehr höher als die Zugfestigkeit des zweiten Materials ist.
  5. Mit Klemmen ausgestatteter elektrischer Draht nach einem beliebigen der Ansprüche 1 bis 4,
    wobei, wenn eine Querschnittsfläche eines Abschnitts des Leiters, an dem die Kompressionsklemme befestigt ist, als S1 definiert ist und eine Querschnittsfläche eines Abschnitts des Leiters, an dem die Kompressionsklemme nicht befestigt ist, als S2 definiert ist, S1 / S2 gleich oder größer als 0,5 und gleich oder kleiner als 0,95 ist.
EP19190819.3A 2018-08-13 2019-08-08 Mit klemmen ausgestatteter elektrischer draht Active EP3611800B1 (de)

Applications Claiming Priority (1)

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JP2018152300A JP7228087B2 (ja) 2018-08-13 2018-08-13 端子付電線

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EP3611800A1 EP3611800A1 (de) 2020-02-19
EP3611800B1 true EP3611800B1 (de) 2022-02-16

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JP7380459B2 (ja) * 2020-07-13 2023-11-15 株式会社プロテリアル 端子付電線
JP7558798B2 (ja) * 2020-12-24 2024-10-01 古河電気工業株式会社 アルミニウム圧着端子付きアルミニウム電線
JP2023150131A (ja) * 2022-03-31 2023-10-16 株式会社プロテリアル 端子及び端子付電線

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JP2013257944A (ja) * 2012-06-08 2013-12-26 Sumitomo Electric Ind Ltd アルミニウム基端子金具、及び電線の端末接続構造
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WO2015031236A1 (en) * 2013-08-26 2015-03-05 Carlisle Interconnect Technologies, Inc. Terminal/connector having integral oxide breaker element

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Publication number Priority date Publication date Assignee Title
CA891119A (en) * 1972-01-18 Amp Incorporated Terminal assembly
US3912358A (en) * 1973-06-19 1975-10-14 Roger D Miller Aluminum alloy compression type connectors for use with aluminum or copper conductors
JP2004200018A (ja) * 2002-12-19 2004-07-15 Hitachi Cable Ltd 接続端子
WO2011105584A1 (ja) * 2010-02-26 2011-09-01 古河電気工業株式会社 アルミニウム合金導体
WO2013065803A1 (ja) * 2011-11-02 2013-05-10 住友電気工業株式会社 アルミニウム基端子金具、及び電線の端末接続構造
JP2013257944A (ja) * 2012-06-08 2013-12-26 Sumitomo Electric Ind Ltd アルミニウム基端子金具、及び電線の端末接続構造
JP2014032819A (ja) * 2012-08-02 2014-02-20 Swcc Showa Cable Systems Co Ltd アルミ電線
WO2015031236A1 (en) * 2013-08-26 2015-03-05 Carlisle Interconnect Technologies, Inc. Terminal/connector having integral oxide breaker element

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JP2020027758A (ja) 2020-02-20
JP7228087B2 (ja) 2023-02-24
CN110829042B (zh) 2023-06-30
EP3611800A1 (de) 2020-02-19
CN110829042A (zh) 2020-02-21

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