WO2006106971A1 - 導電体及びワイヤーハーネス - Google Patents
導電体及びワイヤーハーネス Download PDFInfo
- Publication number
- WO2006106971A1 WO2006106971A1 PCT/JP2006/306943 JP2006306943W WO2006106971A1 WO 2006106971 A1 WO2006106971 A1 WO 2006106971A1 JP 2006306943 W JP2006306943 W JP 2006306943W WO 2006106971 A1 WO2006106971 A1 WO 2006106971A1
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- Prior art keywords
- conductor
- relay
- core wire
- metal
- same
- Prior art date
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Classifications
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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
- H01R4/183—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
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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
- H01R4/183—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
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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
Definitions
- the present invention relates to a conductor and a wire harness.
- the cross-sectional area of the electric wire conductor is increased.
- An increase in the cross-sectional area means an increase in weight, so the acceleration power and fuel consumption rate are not favorable.
- an aluminum single core wire with a small specific gravity is used and the wiring route is bent. It is conceivable to use a copper stranded wire because the wiring length is relatively short, the route is large, the specific gravity is larger than that of aluminum, and it is easy to bend and deform.
- Patent Document 1 As means for connecting the conductors by cold welding, there is one described in Patent Document 1.
- Patent Document 1 Japanese Patent Laid-Open No. 5-54949
- the present invention has been completed based on the above-described circumstances.
- the object is to enable both conductors to be connected without causing them.
- a conductor according to the first invention of the present application is a conductor for large current mounted on a vehicle, and is formed by connecting a flexible copper stranded wire to an end of an aluminum single core wire.
- a copper relay conductor is connected to the copper stranded wire, and the aluminum single core wire is attached to the end face of the pressure welding shaft portion having substantially the same diameter as the core wire of the aluminum single core wire formed on the relay conductor.
- the end surfaces of the core wires are connected by cold welding.
- the aluminum single-core wire and the copper stranded wire which are different metals, are connected via the relay conductor.
- the aluminum single core wire and the relay conductor are different types of metal force. Since the end faces are metal-bonded by cold welding, there is no possibility of galvanic corrosion at the joint of the end faces.
- the copper stranded wire and the relay conductor are the same type of metal, so no electrolytic corrosion will occur even if there is a gap that allows moisture to enter the joints of both. Therefore, when connecting the copper stranded wire and the relay conductor, select a connection method that takes into consideration that the copper stranded wire is likely to buckle and deform without considering the prevention of moisture from entering the connecting portion. Therefore, the connection can be made securely.
- the conductor according to the second invention is a conductor in which a first conductor made of a single core wire and a second conductor having a metal force different from that of the first conductor are connected via a relay conductor.
- the relay conductor is made of the same type of metal as the second conductor, and the flat end of the core conductor of the first conductor and the relay conductor are formed in close contact with each other. The surfaces are in close contact and cold pressed! Speak.
- the first conductor and the second conductor which are different metals, are connected via the relay conductor.
- the first conductor and the relay conductor which also have a single core wire force, are of different types of metal, but the flat surfaces at their ends are brought into close contact with each other by cold welding so that they are bonded to each other. There is no risk of electrolytic corrosion occurring in the part.
- the second conductor and the relay conductor are the same type of metal, no electrolytic corrosion will occur even if there is a gap that allows the ingress of moisture at the connecting part of both.
- a conductor according to a third aspect of the present invention includes a first conductor having a single core wire force, and a conductor to which a second conductor made of a metal different from the first conductor is connected.
- a relay conductor made of the same type of metal as the second conductor is provided, and the relay conductor or the second conductor is formed with a connecting portion for connecting both, and the relay conductor is connected to the first conductor. Connected by cold welding!
- the first conductor is connected to the second conductor, which is a different kind of metal, via a relay conductor.
- the first conductor and the relay conductor which have a single core wire force, are different types of metal, but are connected by metal bonding by cold welding, so there is no risk of galvanic corrosion at the joint.
- the relay conductor is the same type of metal as the second conductor to be connected, no electrolytic corrosion occurs even if there is a gap that allows the ingress of moisture at both connection parts. Therefore, even if the second conductor is a conductor that is easily buckled, such as a stranded wire, the second conductor is easily buckled and deformed without considering electric corrosion when connecting the second conductor and the relay conductor. By selecting a connection method that considers the points, the connection can be made securely.
- the wire harness according to the fourth invention is provided with an elongated first conductor made of a single core wire, a metal force different from that of the first conductor, and provided at the end portion of the core wire of the first conductor.
- a relay conductor that has a flat surface that is in close contact with the flat surface and that is cold-welded with the flat surfaces in close contact with each other, and a twisted core wire that has the same metal force as the relay conductor, and is connected to the relay conductor
- a second conductor and a terminal fitting provided at the end of the second conductor opposite to the relay conductor are provided.
- the first conductor and the second conductor which are different metals, are connected via the relay conductor.
- the first conductor and the relay conductor are different types of metal, but the flat surfaces are brought into close contact with each other by cold welding and are metal-bonded, so that electric corrosion may occur at the joint between the flat surfaces. There is no.
- the second conductor made of a twisted core wire and the relay conductor are the same type of metal, so no electrolytic corrosion occurs even if there is a gap that allows the ingress of moisture at the connecting part. Therefore, when connecting the second conductor and the relay conductor, the connection can be ensured by selecting a connection method in consideration of the fact that the second conductor is easily buckled and deformed without considering electric corrosion. .
- the same kind of metal does not cause electrochemical corrosion, that is, galvanic corrosion, or even if it occurs, there is no practical problem especially when used in vehicles.
- an aluminum single core wire which is a combination of dissimilar metals, one of which is easily buckled and deformed, and a copper stranded wire without causing electrolytic corrosion.
- the first conductor and the second conductor which are combinations of different metals, are connected, even if the second conductor is a stranded wire that is easily buckled, electric corrosion is not caused.
- the first and second conductors can be connected without causing them.
- the first conductor of the single core wire and the second conductor of the twisted core wire can be connected without causing electrolytic corrosion.
- FIG. 1 is a side view of a conductor according to a first embodiment.
- FIG. 2 is a perspective view showing a manufacturing process of the relay conductor.
- FIG. 3 is a perspective view of a relay conductor.
- FIG. 4 is a side view of the conductor according to the second embodiment.
- FIG. 5 is a perspective view showing a separated state of the relay conductor of the second embodiment.
- FIG. 6 is a side view of a conductor according to the third embodiment.
- FIG. 7 is a perspective view showing a separated state of the relay conductor of the third embodiment.
- FIG. 8 is a side view of a conductor according to the fourth embodiment.
- FIG. 9 is a perspective view of a cylindrical body constituting the relay conductor of the fourth embodiment.
- FIG. 10 is a side view of a conductor according to the fifth embodiment.
- FIG. 11 is a perspective view showing a state where the first conductor and the relay conductor of Embodiment 5 are separated.
- FIG. 12 is a side view of a conductor according to the sixth embodiment.
- FIG. 13 is a perspective view showing a state where the first conductor and the relay conductor of Embodiment 6 are separated.
- FIG. 14 is a side view of the conductor according to the seventh embodiment.
- FIG. 15 is a perspective view of a relay conductor according to the seventh embodiment.
- FIG. 16 is a side view of the eighth embodiment.
- the conductor Wa according to the first embodiment includes an end portion of a first conductor 10 made of an elongated aluminum alloy (corresponding to the aluminum single core wire of the present invention) and an elongated copper alloy (that is, the first conductor 10 and Are connected to the end of the second conductor 20 (corresponding to the copper stranded wire of the present invention, corresponding to the stranded core wire of the present invention) of a different type of metal using the relay conductor 30.
- a first conductor 10 made of an elongated aluminum alloy (corresponding to the aluminum single core wire of the present invention) and an elongated copper alloy (that is, the first conductor 10 and Are connected to the end of the second conductor 20 (corresponding to the copper stranded wire of the present invention, corresponding to the stranded core wire of the present invention) of a different type of metal using the relay conductor 30.
- the first conductor 10 has a circular cross section and is a single core wire having a constant outer diameter over almost the entire length.
- the outer periphery of the first conductor 10 is surrounded by an insulating coating 11 made of synthetic resin.
- the end portion of the first conductor 10 is exposed to the outside of the insulating coating 11, and the exposed end surface of the first conductor 10 is a press-contact surface 12 that is flat and substantially perpendicular to the axis of the first conductor 10. This corresponds to the flat surface of the invention.
- the second conductor 20 also has a twisting force obtained by twisting thin strands into a spiral shape, and has an outer diameter that is substantially constant over the entire length.
- the outer diameter of the second conductor 20 and the outer diameter of the first conductor 10 are the same. The diameter is almost the same size.
- the outer periphery of the second conductor 20 is surrounded by an insulating coating 21 made of synthetic resin. The second conductor 20 is exposed to the outside of the insulating coating 11 at the end portion.
- the relay conductor 30 is made of the same kind of metal as the second conductor 20, that is, made of a copper alloy, and has a rod shape with a circular cross section as a whole.
- the outer diameter of the relay conductor 30 is approximately the same as the outer diameter of the first conductor 10, and the base end of the relay conductor 30 is a pressure contact portion 31 (corresponding to the pressure contact shaft portion of the present invention).
- the end surface of the press contact portion 31 is a press contact surface 32 (corresponding to the flat surface of the present invention) having a flat shape substantially perpendicular to the axis of the relay conductor 30.
- a crimping portion 33 (corresponding to the connecting portion of the present invention) is formed on the tip of the relay conductor 30 (the end opposite to the press contact portion 31).
- the crimping portion 33 is formed by pressing the end of the circular cross section into a flat plate shape as shown in FIG. 2, and then the central portion in the width direction of the flat plate portion is substantially arcuate.
- the right and left side edges are formed by applying a bending force so that they rise obliquely upward.
- the crimping portion 33 is formed in an open barrel shape in which a pair of force crimping pieces 35 (corresponding to the crimping portions of the present invention) are raised from the left and right side edges of the curved bottom plate 34.
- the first conductor 10 and the relay conductor 30 are rod-shaped in a form that is connected in a substantially straight line by abutting the pressure contact surfaces 12 and 32 and joining (pressure welding) coaxially by the cold pressure welding method. It is connected to make By connecting the relay conductor 30 and the first conductor 10 in pressure contact, the connection portion structure Ca is formed.
- the second conductor 20 with its axis lined substantially parallel to the press-contact portion 31 is moved (lowered) in the radial direction with respect to the crimping portion 33.
- the second conductor 20 is placed on the bottom plate 34 and set so as to be sandwiched between the left and right caulking pieces 35.
- the end portion of the second conductor 20 and the crimping portion 33 can be electrically connected to each other and the axes are connected to each other.
- the first conductor 10 and the second conductor 20 are connected via the relay conductor 30 to complete the conductor Wa.
- the first conductor 10 and the second conductor 20 of the present embodiment are connected via a relay conductor 30. Since the first conductor 10 and the relay conductor 30 are metal-bonded by force cold welding, which is a different type of metal, there is no possibility of electrolytic corrosion occurring at the joint between the end faces 12 and 32. On the other hand, the second conductor 20 and the relay conductor 30 plastically deform the force shim piece 35 at the crimping portion 33. Therefore, the second conductor 20 and the relay conductor 30 can be reliably connected even if the second conductor 20 is buckled and deformed easily and has a twisting wire force.
- the second conductor 20 and the relay conductor 30 are connected, the second conductor 20 is set close to the open barrel-shaped crimping portion 33 in the radial direction. Therefore, when the second conductor 20 is set, high positioning accuracy is not required, and crimping can be easily performed even with an automatic machine.
- the crimping portion 33 is formed into a shape in which the end of the rod-shaped relay conductor 30 is formed by pressing and bending into a flat plate shape by pressing, so that it is an integral part of the relay conductor 30. Yes. Therefore, the number of parts can be reduced as compared with the case where the crimp part 33 and the relay conductor 30 are separate parts.
- the second conductor 20 can be a stranded wire. By making the second conductor 20 a stranded wire, the second conductor 20 can be bent and routed more easily than a single core wire.
- the first conductor 10 is made of an aluminum alloy having a relatively small specific gravity, in view of the light weight of the conductor Wa, the path having a relatively long wiring length and a large number of straight portions ( For example, in an electric vehicle, it is suitable for a route routed along the under floor of the vehicle body between the inverter device at the front of the vehicle body and the battery at the rear of the vehicle body.
- the second conductor 20 is made of a copper alloy that has a large specific gravity but is easy to bend. Therefore, the second conductor 20 has a large curved portion and a short wiring length in a narrow space (for example, an engine room of an electric vehicle). It is suitable for the wiring along, and does not greatly impair the light weight of the conductor Wa.
- the relay conductor 40 for connecting the first conductor 10 and the second conductor 20 is composed of a main body 41 having a rod shape with a circular cross section as a whole and a crimping member 46 manufactured as a separate part from the main body 41.
- the main body 41 and the crimping member 46 are both made of the same metal as the second conductor 20, that is, a copper alloy.
- the outer diameter of the main body 41 is approximately the same as the outer diameter of the first conductor 10, and the base end portion of the main body 41 is a pressure contact portion 42 (corresponding to the pressure contact shaft portion of the present invention).
- the end surface of the portion 42 is a pressure contact surface 43 (corresponding to the flat surface of the present invention) having a flat shape substantially perpendicular to the axis of the relay conductor 40 (main body 41).
- a joint portion 44 is formed in which the lower surface side of the outer periphery thereof is notched in a stepped shape.
- a joining surface 45 having a flat shape substantially parallel to the axis is formed.
- the crimping member 46 is formed by bending a plate material punched into a predetermined shape, and a pair of force squeeze pieces 47b (a caulking part which is a constituent element of the present invention) from the left and right side edges of the curved bottom plate 47a. And an open barrel-like crimping portion 47 (corresponding to the connecting portion of the present invention) and a joining plate portion 48 connected to the base end portion of the bottom plate 47a of the crimping portion 47.
- the main body 41 and the crimping member 46 are superposed on the joint surface 45 of the joint portion 44 of the main body 41 in a form in which the joint plate portion 48 is in surface contact, and the superposed portion is joined by a pressure welding method such as cold pressure welding. (Press contact).
- a pressure welding method such as cold pressure welding. (Press contact).
- the first conductor 10 and the relay conductor 40 are joined to each other by pressing the contact surfaces 12 and 42 together and coaxially joining (pressure welding) by the cold welding method, so that the first conductor 10 and the main body 41 are connected in a substantially straight line. It is connected to form a rod shape.
- the connecting portion structure Cb is configured by the pressure contact between the relay conductor 40 and the first conductor 10. Note that the connection form (crimp form) between the relay conductor 40 (crimp part) and the second conductor 20 is the same as that in the first embodiment, and a description thereof will be omitted.
- a third embodiment of the present invention will be described below with reference to FIGS. Since the first conductor 10 and the second conductor 20 constituting the conductor Wc of the third embodiment are the same as those in the first and second embodiments, the same components are denoted by the same reference numerals. Further, since the operation and effects are the same as those of the first embodiment, the description thereof is omitted.
- the relay conductor 50 is composed of a main body 51 having a circular cross section as a whole, and a crimping member 46 manufactured as a separate part from the main body 51. Both the main body 51 and the crimping member 46 are It is made of the same kind of metal as the second conductor 20, that is, a copper alloy.
- the outer diameter of the main body 51 is approximately the same as the outer diameter of the first conductor 10, the base end portion of the main body 51 is a pressure contact portion 52 (the pressure contact shaft portion of the present invention), and the end surface of the pressure contact portion 52 is
- the pressure contact surface 53 (flat surface of the present invention) forms a flat shape substantially perpendicular to the axis of the relay conductor 50 (main body 51).
- a joint portion 54 is formed on the distal end portion of the main body 51 (the end portion on the opposite side of the press contact portion 52) from the distal end surface in a slit shape substantially parallel to the axial direction of the main body 51. Since the crimping member 46 has the same form as that of the second embodiment, the same reference numerals are given and description thereof is omitted.
- the main body 51 and the crimping member 46 are configured so that the joint plate portion 48 is fitted to the joint portion 54 of the main body 51, and the upper and lower surfaces of the joint portion 54 and the upper and lower surfaces of the joint plate portion 48 are brought into surface contact. Furthermore, they are joined (pressure welded) by a pressure welding method such as cold pressure welding. Thereby, the relay conductor 50 is completed.
- the first conductor 10 and the relay conductor 50 are brought into contact with each other with the pressure contact surfaces 12 and 53 and joined in a coaxial manner (cold welding) by the cold pressure welding method, so that the first conductor 10 and the main body 51 are connected in a substantially straight line.
- the connecting portion constituting body Cc is configured by connecting the relay conductor 50 and the first conductor 10 so as to form a rod shape.
- connection form (crimp form) between the relay conductor 50 (crimp part) and the second conductor 20 is the same as that in the first and second embodiments, and thus the description thereof is omitted.
- a fourth embodiment embodying the present invention will be described below with reference to FIGS. Since the first conductor 10 and the second conductor 20 constituting the conductor Wd of the fourth embodiment are the same as those of the first embodiment, the same components are denoted by the same reference numerals. Further, since the operation and effect are the same as those of the first embodiment, the description thereof is omitted.
- the relay conductor 60 connecting the first conductor 10 and the second conductor 20 is formed as a separate part from the rod-shaped body 61 and the rod-shaped body 61 having a circular cross section as a whole, and a generally cylindrical tube.
- the rod-like body 61 and the cylindrical body 64 are made of the same kind of metal as the second conductor 20, that is, a copper alloy.
- the outer diameter of the rod-shaped body 61 is substantially the same as the outer diameter of the first conductor 10, the base end portion of the rod-shaped body 61 is a pressure contact portion 62 (the pressure contact shaft portion of the present invention), and the end surface of the pressure contact portion 62 Is a pressure contact surface 63 (flat surface of the present invention) having a flat shape substantially perpendicular to the axis of the relay conductor 60 (rod-like body 61).
- the cylindrical body 64 is formed by bending a plate material punched into a predetermined shape, and a pair of force squeeze pieces 67 (from the left and right edges of the curved bottom plate 66) It is composed of an open barrel-shaped crimping portion 65 that is raised (corresponding to a bright crimping portion) and a cylindrical fitting tube portion 68 that is continuous with the bottom plate 66 of the crimping portion 65.
- the rod-like body 61 is fitted coaxially into the fitting cylinder portion 68 of the cylindrical body 64 without rattling, and is joined to the cylindrical body 64 by a pressure welding method such as cold pressure welding at the fitting portion. Pressure contact). Thereby, the relay conductor 60 is completed.
- the connection portion structure Cd is formed.
- the connection form (cold pressure welding form) of the first conductor 10 and the relay conductor 60 (rod-like body 61) and the connection form (crimp form) of the relay conductor 60 (crimp part 65) and the second conductor 20 are embodiments. Since it is the same as 1-3, the description is omitted.
- the first conductor 70 is composed of a long conductor body 71 and a short rod-shaped conductor 72.
- the conductor main body 71 and the rod-shaped conductor 72 are both circular in cross section, have the same outer diameter, and are both made of an aluminum alloy.
- the conductor main body 71 and the rod-shaped conductor 72 are connected (coupled) in a form that is connected in a substantially straight line by press contact or the like in a form in which the end faces are in contact with each other.
- An end portion of the rod-shaped conductor 72 opposite to the conductor main body 71 is formed with a pressure contact portion 73 having the same shape (step shape) as that of the joint portion 44 of the main body 41 of the relay conductor 40 in the second embodiment.
- the pressure contact portion 73 has a pressure contact surface that is a plane substantially parallel to the axial direction of the first conductor 70.
- the relay conductor 80 is a single part formed by bending a plate material punched into a predetermined shape, and a pair of force squeeze pieces 83 (from the left and right edges of the curved bottom plate 82 to the staking part of the present invention). And an open barrel-shaped crimping portion 81 (corresponding to the connecting portion of the present invention) that is raised, and a plate-like press-contacting portion 84 that is connected to the base end portion of the bottom plate 82 of the crimping portion 81.
- the pressure contact portion 84 has a flat pressure contact surface that is substantially parallel to the axial direction of the first conductor 70 while being connected to the first conductor 70.
- the relay conductor 80 is made of the same copper alloy as the second conductor 20.
- the first conductor 70 and the relay conductor 80 are formed by connecting the press contact portion 84 to the press contact portion 73 of the rod-shaped conductor 72 and its press contact surface.
- the first conductor 70 and the relay conductor 80 constitute a connection portion structure Ce, which are superposed in a form in which they are in surface contact with each other, and are joined (pressure-welded) by cold pressure welding or the like. Note that the connection between the relay conductor 80 (crimp part 81) and the second conductor 20 is the same as in the first to fourth embodiments, and a description thereof will be omitted.
- the area of the pressed face (butting face) is limited to the area that is the same as or smaller than the cross-sectional area of the first conductor.
- the press-contact portion 84 of the relay conductor 80 and the press-contact portion 73 of the first conductor 70 are press-contacted in a form in which planes substantially parallel to the axis of the first conductor 70 are in close contact with each other. This area is not limited by the cross-sectional area of the first conductor 70. Therefore, it is possible to secure a large pressure contact area (bonding area) and improve the pressure contact strength.
- the first conductor 90 includes a long conductor main body 91 and a short rod-shaped conductor 92.
- the conductor main body 91 and the rod-shaped conductor 92 both have a circular cross section and the same outer diameter, and both are made of an aluminum alloy.
- the conductor main body 91 and the rod-like conductor are connected (coupled) in a form that is connected in a substantially straight line by pressure welding or the like in a form in which the end faces are in contact with each other.
- An end portion of the rod-shaped conductor 92 opposite to the conductor main body 91 is formed with a press-contact portion 93 having the same shape (slit shape) as the joint portion 54 of the main body 51 of the relay conductor 50 in the third embodiment.
- the inner surface of the press contact portion 93 is a press contact surface that is a plane substantially parallel to the axis of the first conductor 90.
- the first conductor 90 and the relay conductor 80 are configured such that the press contact portion 84 is fitted to the press contact portion 93 of the rod-shaped conductor 92, and the upper and lower surfaces (pressure contact surface) of the press contact portion 93 and the upper and lower surfaces (pressure contact surface) of the press contact portion 84. ) Are brought into surface contact, and the surface contact portion is joined (pressure welded) by a pressure welding method such as cold pressure welding.
- a pressure welding method such as cold pressure welding.
- the press-contact portion 84 of the relay conductor 80 and the press-contact portion 93 of the first conductor 90 are in contact with each other in a plane substantially parallel to the axis of the first conductor 90. Therefore, the area of the joint surface by pressure welding is not limited by the cross-sectional area of the first conductor 90, and a large pressure contact area (joint area) can be secured.
- a seventh embodiment embodying the present invention will be described below with reference to FIGS. Since the second conductor 20 constituting the conductor Wg of the seventh embodiment is the same as that of the first to sixth embodiments, the same reference numerals are given to the same configurations. In addition, since the operation and effect are the same as those in Embodiment 1, the description thereof is omitted.
- the first conductor 100 is composed of a long conductor body 101 and a short rod-like conductor 102.
- the conductor body 101 and the rod-shaped conductor 102 are both circular in cross section, have the same outer diameter, and are both made of an aluminum alloy.
- the conductor main body 101 and the rod-shaped conductor 102 are connected (coupled) in a form that is connected in a substantially straight line by press contact or the like in a form in which the end faces are in contact with each other.
- the relay conductor 110 connecting the first conductor 100 and the second conductor 20 has a generally cylindrical shape as a whole, and is made of the same kind of metal as the second conductor 20, that is, a copper alloy.
- the relay conductor 110 is formed by bending a plate material punched into a predetermined shape, and a pair of force crimping pieces 113 (corresponding to the caulking portion of the present invention) from the left and right edges of the curved bottom plate 112. Is formed of an open barrel-shaped crimping portion 111 (connection portion of the present invention) and a cylindrical press-contacting portion 114 connected to the bottom plate 112 of the crimping portion 111.
- the rod-shaped conductor 102 of the first conductor 100 is fitted coaxially and without backlash into the press-contact portion 114 of the relay conductor 110, and the press-fit method such as cold press-contact is used at the fit portion (press-contact portion 114).
- the relay conductor 110 is coaxially joined (pressure-welded).
- the first conductor 100 and the relay conductor 110 constitute a connection part structure Cg. Note that the connection form (crimp form) between the relay conductor 110 (crimp part 111) and the second conductor 20 is the same as in the first to sixth embodiments, and a description thereof will be omitted.
- the press-contact portion 114 of the relay conductor 110 and the rod-shaped conductor 102 of the first conductor 100 are press-contacted in a form in which their peripheral surfaces are in close contact with each other.
- the area of the first conductor 100 is not restricted by the cross-sectional area of the first conductor 100, and the pressure contact area (joint area) can be secured large.
- the wire harness H of Embodiment 8 is configured such that three conductors Wh are wired together, and connectors 130 are connected to both ends of each conductor Wh.
- the conductor Wh is connected to the ends of the second conductor 20 made of an elongated copper alloy (that is, a metal different from the first conductor 10) at both ends of the first conductor 10 made of an elongated aluminum alloy. It is connected using relay conductor 30. That is, one conductor Wh is composed of one first conductor 10, two second conductors 20, and two relay conductors 30, which are opposite to the relay conductors 30 in each second conductor 20. The side ends are connected to connectors 130, respectively.
- a terminal fitting (not shown) is connected to the end of the second conductor 20, and this terminal fitting is inserted into the connector 130.
- a crimping part with a force squeeze piece of the same form as the crimping part 33 of the relay conductor 30 is formed. It is connected to the end of the second conductor 20 by the crimping part.
- the first conductor 10, the second conductor 20 and the relay conductor 30 all have the same configuration as that of the first embodiment, and a detailed description thereof will be omitted.
- the wire harness H of the present embodiment is used as a power circuit that is routed between devices (not shown) such as a battery, an inverter, and a motor that constitute a power source for traveling in an electric vehicle, for example. it can.
- the three first conductors 10 are inserted into a single metal (for example, aluminum alloy) pipe (not shown) having both a shielding function and a protection function against foreign matter interference. It may be collectively surrounded (shielded) by a shield member (not shown) having a braided wire force.
- the three second conductors 20 have flexibility, they are collectively surrounded by a shield member (not shown) having a braided wire force.
- the first conductor 10 can be routed inside the car body or along the floor.
- the flexible second conductor 20 can be routed in a engine room where there is a space limitation and a straight routing route cannot be secured.
- the cross-sectional area of the first conductor and the cross-sectional area of the second conductor are approximately the same area.
- the cross-sectional area of the first conductor is made smaller than the cross-sectional area of the second conductor.
- the cross-sectional area of the first conductor may be larger than the cross-sectional area of the second conductor.
- the crimping portion is formed on the relay conductor.
- the crimping portion may be formed on the second conductor! / ⁇ .
- the second conductor is a stranded wire.
- the second conductor may be a single-core wire, similar to the first conductor.
- the first conductor is made of an aluminum alloy.
- the first conductor may be a metal other than the aluminum alloy.
- the second conductor is made of a copper alloy.
- the second conductor may be a metal other than the copper alloy.
- the first conductor and the relay conductor are joined by cold welding.
- the welding is performed by a pressure welding means other than cold welding, such as friction welding, ultrasonic welding, or resistance welding.
- the first conductor and the relay conductor may be joined.
- the form of the first conductor and the relay conductor and the joint form of the first conductor and the relay conductor are the same as in Embodiment 1, but according to the present invention, the first conductor and the relay conductor
- the form of joining and the joining form of the first conductor and the relay conductor may be the same as those of Embodiments 2 to 7.
- the cold-welded portion between the first conductor and the relay conductor, or the first conductor In the cold-welded part between the conductor body and the rod-shaped conductor in the mold, a resin is molded to prevent the adhesion of water or, for example, a heat-shrinkable grease tube is applied and heated to the crimped part. To prevent water from sticking! /.
- the copper alloy is a combination of the same kind of metals.
- electrochemical corrosion that is, electrolytic corrosion occurs. Even if it occurs, a combination of metals that can be used for vehicles or the like and has no practical problem can be applied.
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE112006000768T DE112006000768B4 (de) | 2005-04-01 | 2006-03-31 | Leiter- und Kabelbaum |
US11/885,152 US7947904B2 (en) | 2005-04-01 | 2006-03-31 | Conductor and wire harness |
JP2007511204A JPWO2006106971A1 (ja) | 2005-04-01 | 2006-03-31 | 導電体及びワイヤーハーネス |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005106246 | 2005-04-01 | ||
JP2005-106246 | 2005-04-01 |
Publications (1)
Publication Number | Publication Date |
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WO2006106971A1 true WO2006106971A1 (ja) | 2006-10-12 |
Family
ID=37073521
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2006/306943 WO2006106971A1 (ja) | 2005-04-01 | 2006-03-31 | 導電体及びワイヤーハーネス |
Country Status (5)
Country | Link |
---|---|
US (1) | US7947904B2 (ja) |
JP (1) | JPWO2006106971A1 (ja) |
CN (1) | CN101151769A (ja) |
DE (1) | DE112006000768B4 (ja) |
WO (1) | WO2006106971A1 (ja) |
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JP2011108437A (ja) * | 2009-11-16 | 2011-06-02 | Yazaki Corp | 防水用端子構造 |
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JP2012084407A (ja) * | 2010-10-12 | 2012-04-26 | Yazaki Corp | コネクタ端子の電線接続構造 |
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WO2014125913A1 (ja) * | 2013-02-18 | 2014-08-21 | 株式会社オートネットワーク技術研究所 | 電気接続構造及び端子 |
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JP2009009736A (ja) * | 2007-06-26 | 2009-01-15 | Auto Network Gijutsu Kenkyusho:Kk | アルミニウム電線への端子接続構造 |
JP2011108437A (ja) * | 2009-11-16 | 2011-06-02 | Yazaki Corp | 防水用端子構造 |
WO2012046762A1 (ja) * | 2010-10-07 | 2012-04-12 | 矢崎総業株式会社 | 圧着端子 |
US8998659B2 (en) | 2010-10-07 | 2015-04-07 | Yazaki Corporation | Crimping terminal |
JP2012084407A (ja) * | 2010-10-12 | 2012-04-26 | Yazaki Corp | コネクタ端子の電線接続構造 |
JP2014143205A (ja) * | 2012-08-07 | 2014-08-07 | Furukawa Electric Co Ltd:The | 圧着端子、接続構造体、コネクタ、ワイヤハーネス、並びに圧着端子の製造方法、接続構造体の製造方法 |
JP5521124B1 (ja) * | 2012-08-07 | 2014-06-11 | 古河電気工業株式会社 | 圧着端子、接続構造体、コネクタ、ワイヤハーネス、並びに圧着端子の製造方法、接続構造体の製造方法 |
WO2014024938A1 (ja) * | 2012-08-07 | 2014-02-13 | 古河電気工業株式会社 | 圧着端子、接続構造体、コネクタ、ワイヤハーネス、並びに圧着端子の製造方法、接続構造体の製造方法 |
US9281574B2 (en) | 2012-08-07 | 2016-03-08 | Furukawa Electric Co., Ltd. | Crimp terminal, connection structural body, connector, wire harness, method of manufacturing crimp terminal, and method of manufacturing connection structural body |
WO2014125913A1 (ja) * | 2013-02-18 | 2014-08-21 | 株式会社オートネットワーク技術研究所 | 電気接続構造及び端子 |
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JP2015103457A (ja) * | 2013-11-27 | 2015-06-04 | 住友電装株式会社 | ワイヤハーネス |
WO2015079881A1 (ja) * | 2013-11-27 | 2015-06-04 | 住友電装株式会社 | ワイヤハーネス |
US9799427B2 (en) | 2013-11-27 | 2017-10-24 | Sumitomo Wiring Systems, Ltd. | Wire harness and method for producing wire harness |
US10389215B2 (en) | 2014-03-31 | 2019-08-20 | Mitsubishi Electric Corporation | Motor, blower, and compressor |
Also Published As
Publication number | Publication date |
---|---|
DE112006000768T8 (de) | 2008-07-17 |
DE112006000768T5 (de) | 2008-03-06 |
CN101151769A (zh) | 2008-03-26 |
DE112006000768B4 (de) | 2013-08-08 |
JPWO2006106971A1 (ja) | 2008-09-25 |
US20090229880A1 (en) | 2009-09-17 |
US7947904B2 (en) | 2011-05-24 |
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