Abstract: A detection device includes: a signal output unit configured to output a measurement signal having a frequency component to a transmission line; a measurement unit configured to receive, from the transmission line, a response signal including a signal in which the measurement signal is reflected, and measure at least one of an amplitude and a phase of the received response signal; and a detection unit configured to calculate an evaluation value based on a measurement result obtained by the measurement unit, and detect a partial damage of the transmission line, based on the calculated evaluation value.

Abstract: A pressure detection system for electric wire that can continuously monitor application of pressure to an electric wire. A pressure detection system for an electric wire includes: a sensor unit including a tape-shaped substrate made of an elastic dielectric material, and conductive coating layers provided on both surfaces of the substrate; a detection unit configured to measure characteristic impedance between the two coating layers constituting the sensor unit; and a recording unit configured to record a history of a change in the characteristic impedance measured by the detection unit, wherein the sensor unit is disposed on an outer periphery of an electric wire in such a manner that one of the coating layers extends along a surface of the electric wire.

Abstract: An electric wire inspection system and method that can sensitively detect damage on an electric wire, and an electric wire capable of being inspected using the same. The electric wire inspection system includes: an inspection unit which performs electric wire inspection wherein a characteristic impedance between two conductive members of the electric wire is obtained as a response signal by time domain or frequency domain reflectometry; a storage unit which stores the response signal obtained at a first time point; and an analysis unit which retrieves the response signal obtained at the first time point from the storage unit, compares it with the response signal obtained at a second time point later than the first time point, and, if a difference exists between the two response signals, correlates a region in which the difference exists in the response signals with a position along an axial direction of the electric wire.

Abstract: A cable with an abnormality precursor detection function includes: one or more target electric wires each including a corresponding one of electric wire conductors and an electric wire coating that covers an outer periphery of the electric wire conductor; one or more detection wires each including a corresponding one of detection wire conductors and a detection wire coating that covers an outer periphery of the detection wire conductor; and a sheath that covers an outer periphery of an electric wire group including the one or more target electric wires and the one or more detection wires.

Abstract: A wire inspection system has a memory unit which stores response signals obtained through wire inspection at a first time point for a plurality of electric wires constituting a wire group identifying individual electric wires, an inspection unit which performs the wire inspection on a subject electric wire selected from the wire group at a second time point later than the first time point, and an analysis unit which compares, for the subject electric wire, the response signal at the first time point retrieved from the memory unit, with the response signal obtained by the inspection unit at the second time point, and, if a difference exists between the two response signals, judges that damage exists on the subject electric wire.

Abstract: It is an object of the exemplary embodiments to obtain a long electric-wire protection pipe having a flat outer shape, using a simple press working process, while preventing warping problems. An electric-wire protection pipe is a metal pipe that surrounds an electric wire, and has a reinforced section and a flat pipe section. The reinforced section is a section that is located at a part in the circumferential direction of the electric-wire protection pipe, and constitutes a protrusion forming, on either the internal or external surface of the electric-wire protection pipe, a ridge line extending along the longitudinal direction of the electric-wire protection pipe, and a groove extending along the longitudinal direction of the electric-wire protection pipe on the other surface. The flat pipe section is a section that constitutes at least a part in the longitudinal direction of the electric-wire protection pipe, and that is flattened by press working.

Abstract: It is an object of the exemplary embodiments to obtain a long electric-wire protection pipe having a flat outer shape, using a simple press working process, while reducing or even preventing warping problems. An electric-wire protection pipe is a metal pipe that surrounds an electric wire, and has a reinforced section (11) and a flat pipe section. The reinforced section is a section that is located at a part in the circumferential direction of the electric-wire protection pipe while extending along the entire length in the longitudinal direction of the electric-wire protection pipe, and that is thicker than other sections. The flat pipe section is a section that constitutes at least a part in the longitudinal direction of the electric-wire protection pipe, and is flattened by press working.

Abstract: An electromagnetic shielding device includes a conductive sheet that is a sheet-shaped flexible conductive member that can be deformed into a tube shape, and an outer edge portion coupling member that keeps the conductive sheet in a tube shape in a state in which a first outer edge portion and a second outer edge portion of the conductive sheet are joined together, the second outer edge portion being located on the side opposite to the first outer edge portion. For example, a parallel slit group is formed in the conductive sheet, the parallel slit group being constituted by a plurality of slits that extend in a direction that crosses a first direction from the first outer edge portion toward the second outer edge portion and that are lined up in the first direction.

Abstract: An electric-wire protection pipe includes a tubular main portion that that constitutes an outer wall of the electric-wire protection pipe and that has a longitudinal axis, wherein a reference plane passes through the longitudinal axis in a first direction. A curved partition wall partitions a hollow portion of the tubular main portion into two wiring paths—one on the first direction side and the other on a second direction side opposite to the first direction side. The curved partition wall connects to the tubular main portion at border lines that are parallel to the longitudinal axis and are located on the first direction side of the longitudinal axis, the curved partition wall having a convex side that projects in a second direction opposite to the first direction.

Abstract: A wire harness includes first, second and third power cables, first, second and third conductive electromagnetic shielding members, and an intermediate short-circuit member. The power cables are arranged to conduct symmetrical three-phase AC electricity. The conductive electromagnetic shielding members are arranged in parallel to each other and spaced apart from each other, each of the conductive electromagnetic shielding members disposed surrounding respective ones of the power cables. The intermediate short-circuit member is arranged to electrically connect the electromagnetic shielding members to one another in at least one intermediate region between first and second longitudinal ends of each of the electromagnetic shielding members. The intermediate short-circuit member has a conductive member arranged to electrically connect the electromagnetic shielding members to one another, and a nonconductive armoring section arranged to cover an outer surface of the conductive member.

Abstract: A shield conductor includes: an electrical wire; a tubular shield member that encloses the electrical wire and is configured such that an end portion of a pipe made of metal is fit to an end portion of a tubular accordion member made of metal; a swage ring that is attached at a portion where the end portion of the pipe is fit to the end portion of the tubular accordion member, and constricts the end portion of the pipe and the end portion of the tubular accordion member from outside; a conductor ring that is arranged between the pipe and the tubular accordion member, has an inner circumferential face that faces the pipe and an outer circumferential face that faces the tubular accordion member, and has electrical conductivity; and a plurality of protrusion/recession portions formed on the inner circumferential face and the outer circumferential face.

Abstract: It is an object of the exemplary embodiments to obtain a long electric-wire protection pipe having a flat outer shape, using a simple press working process, while reducing or even preventing warping problems. An electric-wire protection pipe is a metal pipe that surrounds an electric wire, and has a reinforced section (11) and a flat pipe section. The reinforced section is a section that is located at a part in the circumferential direction of the electric-wire protection pipe while extending along the entire length in the longitudinal direction of the electric-wire protection pipe, and that is thicker than other sections. The flat pipe section is a section that constitutes at least a part in the longitudinal direction of the electric-wire protection pipe, and is flattened by press working.

Abstract: An electromagnetic shielding device includes a conductive sheet that is a sheet-shaped flexible conductive member that can be deformed into a tube shape, and an outer edge portion coupling member that keeps the conductive sheet in a tube shape in a state in which a first outer edge portion and a second outer edge portion of the conductive sheet are joined together, the second outer edge portion being located on the side opposite to the first outer edge portion. For example, a parallel slit group is formed in the conductive sheet, the parallel slit group being constituted by a plurality of slits that extend in a direction that crosses a first direction from the first outer edge portion toward the second outer edge portion and that are lined up in the first direction.

Abstract: It is an object of the exemplary embodiments to obtain a long electric-wire protection pipe having a flat outer shape, using a simple press working process, while preventing warping problems. An electric-wire protection pipe is a metal pipe that surrounds an electric wire, and has a reinforced section and a flat pipe section. The reinforced section is a section that is located at a part in the circumferential direction of the electric-wire protection pipe, and constitutes a protrusion forming, on either the internal or external surface of the electric-wire protection pipe, a ridge line extending along the longitudinal direction of the electric-wire protection pipe, and a groove extending along the longitudinal direction of the electric-wire protection pipe on the other surface. The flat pipe section is a section that constitutes at least a part in the longitudinal direction of the electric-wire protection pipe, and that is flattened by press working.

Abstract: Some embodiments relate to a wire harness capable of constituting a two-phase or three-phase power line having superior heat radiating properties using very versatile round electric wires without requiring extra wires. A wire harness includes round electric wires, crimp terminals, a shield member, and a corrugated tube. The shield member and the corrugated tube cover the periphery of an electric wire bundle constituted by the round electric wires, the number of which is a multiple of six. The wire harness has a structure in which each of the crimp terminals is attached to one of a plurality of sub-groups of electric wires obtained by dividing the electric wire bundle into equal parts, each of which includes a plurality of the round electric wires.

Abstract: A protector protects a portion of an electric wire extending from an end portion of a metal pipe to an end portion of a casing. The protector includes tubular outer layer, tubular flexible shield, first fixing, and second fixing members. The outer layer member is made of flexible insulation and extends from the end portion of the metal pipe to the end portion of the casing. The shield member is arranged along an inner surface of the outer layer member and integrally with the outer layer member. The shield member is made of a conductive material. The first fixing member is connected to a first connecting portion of an inner surface of the shield member to which the metal pipe is connected. The second fixing member is connected to a second connecting portion of the inner surface of the shield member to which the casing is connected.

Abstract: A shield conductor includes wires, a tubular shield member, and a tightening ring. The tubular shield member includes a metal pipe and a metal tubular accordion-shaped member. An end portion of the pipe is fitted to an end portion of the tubular accordion-shaped member. The tubular shield member surrounds the wires. The tightening ring is attached to an end portion of the tubular accordion-shaped member to which the end portion of the pipe is fitted, and the end portion of the pipe and the end portion of the tubular accordion-shaped member are tightened up from their outer peripheral side by the tightening ring. At least one slit is provided in a portion of the tubular accordion-shaped member that is tightened up the by the tightening ring. The slit is cut in from an opening end of the tubular accordion-shaped member.

Abstract: A shield conductor includes an electric wire, a metal pipe, and a tubular protector. The protector covers a portion extending from an end portion of the metal pipe to an end portion of a casing. The protector includes a tubular outer layer member made of flexible insulation and a tubular flexible shield member made of a conductive material. The outer layer member is arranged to extend from a first connecting portion to a second connecting portion. The first connecting portion is connected to the metal pipe and the second connecting portion is connected to the casing. The shield member is arranged along an inner surface of the outer layer member and provided integrally with the outer layer member. The shield member is electrically connected to the metal pipe at the first connecting portion and is electrically connected to the casing at the second connecting portion.

Abstract: A shield conductor includes a pipe made of metal and an electric wire. The electric wire is passed through the pipe. The pipe includes a first deformed portion and a second deformed portion. The first deformed portion has a first short diameter portion and a first long diameter portion having different outer diameters in a peripheral direction of the pipe. The second deformed portion is in a different position from the first deformed portion in an extension direction in which the pipe extends and includes a second short diameter portion and a second long diameter portion having different outer diameters in the peripheral direction. The first and the second short diameter portions are provided in different positions in the peripheral direction. The first and the second long diameter portions are provided in different positions in the peripheral direction.

Abstract: A shield conductor includes a pipe made of metal and an electric wire passed through the pipe. The pipe includes a round portion and a deformed portion. The round portion has a constant outer diameter in a peripheral direction of the pipe and curves in an extension direction in which the pipe extends. The deformed portion is in a different position from the round portion in the extension direction and has a short diameter portion and a long diameter portion having different outer diameters in the peripheral direction of the pipe.