WO2019138829A1 - Shielded wire harness, shielding member and method of producing a shielded wire harness - Google Patents

Shielded wire harness, shielding member and method of producing a shielded wire harness Download PDF

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Publication number
WO2019138829A1
WO2019138829A1 PCT/JP2018/046925 JP2018046925W WO2019138829A1 WO 2019138829 A1 WO2019138829 A1 WO 2019138829A1 JP 2018046925 W JP2018046925 W JP 2018046925W WO 2019138829 A1 WO2019138829 A1 WO 2019138829A1
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WO
WIPO (PCT)
Prior art keywords
crimping
shielded connector
conductive pipe
shield portion
braided
Prior art date
Application number
PCT/JP2018/046925
Other languages
English (en)
French (fr)
Inventor
Ventsislav Mironov
Hiroyuki Kodama
Original Assignee
Sumitomo Wiring Systems, Ltd.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sumitomo Wiring Systems, Ltd. filed Critical Sumitomo Wiring Systems, Ltd.
Publication of WO2019138829A1 publication Critical patent/WO2019138829A1/en

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Classifications

    • 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
    • H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding  
    • H01R13/658—High frequency shielding arrangements, e.g. against EMI [Electro-Magnetic Interference] or EMP [Electro-Magnetic Pulse]
    • H01R13/6591—Specific features or arrangements of connection of shield to conductive members
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
    • B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
    • B60R16/0207—Wire harnesses
    • B60R16/0215—Protecting, fastening and routing means therefor
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
    • H01B7/28—Protection against damage caused by moisture, corrosion, chemical attack or weather
    • H01B7/282—Preventing penetration of fluid, e.g. water or humidity, into conductor or cable
    • H01B7/2825—Preventing penetration of fluid, e.g. water or humidity, into conductor or cable using a water impermeable sheath
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
    • H02G3/02—Details
    • H02G3/04—Protective tubing or conduits, e.g. cable ladders or cable troughs
    • H02G3/0462—Tubings, i.e. having a closed section
    • H02G3/0481—Tubings, i.e. having a closed section with a circular cross-section
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K9/00—Screening of apparatus or components against electric or magnetic fields
    • H05K9/0073—Shielding materials
    • H05K9/0098—Shielding materials for shielding electrical cables
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R9/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, e.g. terminal strips or terminal blocks; Terminals or binding posts mounted upon a base or in a case; Bases therefor
    • H01R9/03—Connectors arranged to contact a plurality of the conductors of a multiconductor cable, e.g. tapping connections
    • H01R9/05—Connectors arranged to contact a plurality of the conductors of a multiconductor cable, e.g. tapping connections for coaxial cables
    • H01R9/0518—Connection to outer conductor by crimping or by crimping ferrule

Definitions

  • the present invention relates to a shielded wire harness, to a shielding member and to a method of producing a shielded wire harness.
  • a shielding member for a shielded wire harness comprising one or more of wires and a shielded connector
  • the shielding member is formed in a tube shape and configured to enclose the wire(s) collectively and to be connected to the shielded connector
  • the shielding member comprises a sub-shield portion connected to at least one of a conductive pipe and the shielded connector
  • the sub-shield portion comprises a braided member being at least partly covered by a coating at an outer surface thereof
  • a connection between the sub-shield portion and the conductive pipe and/or the shielded connector comprises a double-crimping
  • the double-crimping comprises a first crimping portion crimping the braided member onto the conductive pipe and/or the shielded connector and a second crimping portion crimping the coating onto the conductive pipe and/or the shielded connector
  • a seal member is provided on an outer circumference of at least a part of
  • the sealing may be further improved by applying the sealing member (particularly comprising a shrinkable tube) on at least the first crimping portion and the adjacent member (conductive pipe and/or shielded connector), so that the sealing member (shrinking tube) is not provided on the coating which would lead to a bad sealing, in particular in case of an elastomer coating such as a silicone coating.
  • the coating is made of silicone.
  • the coating leads to the advantage of a flexible sub-shield portion and to a good sealing achieved by the second crimping portion.
  • the sealing member (particularly the shrinking tube) is provided at least partly on the second crimping portion and/or not on the coating.
  • the first and second crimping portions are formed on a single tube. Accordingly, the number of parts may be reduced and a positioning step is facilitated.
  • the sealing member comprises a shrinking tube and/or an outer layer made from an elastomer and substantially formed in a tube shape which is shrinkable or reduceable in radial size by radiation (such as heat, gamma radiation or the like) and an inner layer comprising an adhesive suitable to stick or bond or adhere on metal materials.
  • the braided member is substantially formed in a tube shape by braided metal wires.
  • a shielded wire harness comprising: one or more of wires; a shielded connector comprising one or more terminals respectively connected to the wire(s), and configured to be connected to a mating connector; and a shielding member substantially formed in a tube shape and configured to collectively enclose the wire(s) and to be connected to the shielded connector, wherein the shielding member comprises a main shield portion made of a conductive pipe and/or braided wires, and a sub-shield portion connected to the conductive pipe and the shielded connector, and wherein the sub-shield portion comprises a braided member being at least partly covered by a coating at an outer surface thereof, wherein the coating is made of an elastomer, wherein a connection between the sub-shield portion and the conductive pipe and/or the shielded connector comprises a double-crimping, wherein the double-crimping comprises a first crimping portion crimping the braided member onto
  • the conductive pipe is made of a metal selected from iron, aluminum, copper and stainless steel providing a good shielding performance and a good productivity.
  • the sub-shield portion is configured to be deformable.
  • a method of producing a shielded wire harness comprising the following steps: providing one or more wires; collectively enclosing the wire(s) by means of a shielding member formed in a tube shape; respectively connecting one or more terminals of a shielded connector to the wire(s); and connecting the shielding member to the shielded connector; wherein the shielding member comprises a main shield portion made of a conductive pipe and/or braided wires, and a sub-shield portion connected to the conductive pipe and the shielded connector, and wherein the sub-shield portion comprises a braided member being at least partly covered by a coating at an outer surface thereof, wherein a connection between the sub-shield portion and the conductive pipe and/or the shielded connector comprises a double-crimping, wherein the double-crimping comprises a first crimping portion crimping the braided member onto the conductive pipe and/or the shielded connector and a second
  • FIG. 1 is a schematic side view, showing a state in which a shielded wire harness according to an embodiment of the invention is interposed between two pieces of equipment;
  • FIG. 2 is a perspective view of the motor-side end portion of the shielded wire harness;
  • FIG. 3 is a perspective view of a part of a shielded wire harness according to an embodiment of the invention;
  • FIG. 4 is an enlarged view of a crimping part of the shielded wire harness;
  • FIG. 5 is an enlarged view of another crimping part of the shielded wire harness.
  • a shielded wire harness A is used for connecting a first equipment 10 (such as an inverter unit) of a vehicle (particularly an electric vehicle (EV), a hybrid electric vehicle (EHV), plug-in hybrid electric vehicle (PEHV), range extended electric vehicle (REEV) and the like) to a second equipment 20 (such as a motor) respectively disposed in the vehicle.
  • a first equipment 10 such as an inverter unit
  • a vehicle particularly an electric vehicle (EV), a hybrid electric vehicle (EHV), plug-in hybrid electric vehicle (PEHV), range extended electric vehicle (REEV) and the like
  • a second equipment 20 such as a motor
  • the first equipment 10 is e.g. disposed in an engine room and is structured such that an equipment connector 12 (as a particular mating connector) having one or more equipment-side terminals extended from the first equipment 10 are at least partly accommodated in a connector housing having shielding properties.
  • the motor 20 particularly is disposed on a wheel of the electric vehicle and is structured such that a coil (not shown) and equipment-side terminals (not shown) connected to the coil are stored in a conductive shield case 21.
  • Each of the equipment-side terminals may particularly be formed as a thick plate shape referred to as a bus bar and includes a bolt hole which penetrates through the terminal in the thickness direction thereof.
  • the wire harness A includes one or more wires 30 (see Fig. 1), at least one shielded connector 58 provided on at least one side of the wire(s) and comprising a shielded housing at least partly accommodating one or more terminals 40, which are to be electrically connected to the wire(s) and a tube-shaped shielding member 50 (bracket shield) collectively enclosing the one or more wires 30.
  • the wire(s) are arranged inside the conductive tube-shaped shielding member 50 thus shielding the wire(s) from electromagnetic radiation and/or protecting them from outside interactions (water, hitting objects, etc.).
  • a second shielded connector may be provided also at the second end of the wire(s).
  • wire-side terminals may be fixedly secured to the other end portion of each of the one or more wires to be directly connected to an equipment e.g. by bolting, i.e. without interposition of a connector and mating connector.
  • each of the wire-side terminals may be made of a thick metal plane member; and, a front portion (particularly a substantially front-half section) of each of the wire-side terminals provides an equipment connecting portion which is formed in a substantially-flat-plate shape and includes a bolt hole penetrating in a thickness direction of the wire-side terminal through the equipment connecting portion, while a rear portion (particularly a substantially-rear-half section) provides an open-barrel-shaped wire pressure connect portion.
  • a conductor of the wire may be crimped or pressure connected to the wire pressure connect portion 43 in a conductible manner.
  • the one or more (e.g. two) wires each include a conductor and an insulation sheath enclosing the outer periphery of the conductor and, differently from a shielded wire, no shield layer is arranged in or on the wire.
  • the shielding member 50 includes: a main shield portion 51 which is long in dimension, conductive, and particularly extends for more than about two thirds (particularly almost the entire length) of the shielding member 50; and a sub-shield portion 54 as a particular connector end portion of the shielding member 50, and is shorter than the main shield portion 51.
  • the main shield portion 51 includes a (particularly substantially cylindrical or elliptical shaped) pipe or tubular member made of conductive material such as metal (e.g. iron, aluminum, copper, or stainless steel), and has an inside diameter that allows the one or more (e.g. two) wires to be inserted through the main shield portion 51.
  • the main shield portion 51 may be at least partly formed of a rigid pipe of conductive material (such as metal) or of a tube made of braided wires which are preferably coated with silicone or a combination thereof.
  • the main shield portion 51 may comprise plural sections comprising at least one rigid pipe section and/or at least one tube-like braided wire section, particularly alternatively arranged.
  • the main shield portion 51 substantially is bent along the wiring route of the wire harness A. That is, the portion of the main shield portion 51 situated adjacent to the motor 20 provides a long horizontal portion 51a e.g. extending substantially in the horizontal direction, while part of the long horizontal portion 51a is formed low in position.
  • the low portion is a lowest portion 51b that is lowest in the wiring route of the wire harness A and, in the lowest portion 51b, there particularly may be formed at least one drain hole 52’ which is open on the lower surface side thereof.
  • a rising portion 51c is formed so as to substantially extend upwardly from the end portion of the long horizontal portion 51a of the main shield portion 51 on the opposite side to the motor 20 and, from the upper or distal end portion of the rising portion 51c, there is formed a short horizontal portion 51d in such a manner that it extends substantially horizontally toward the first equipment 10. Also, a motor-side end portion of the long horizontal portion 51a provides a substantially elliptic portion 51e which substantially spreads in a tapered shape in the lateral direction.
  • the connector end portion of the short horizontal portion 51d particularly may be formed in a substantially circular shape.
  • the sub-shield portion 54 includes a (particularly substantially tube-shaped) braided member 52 which is at least partly covered by a coating 53.
  • the (tube-shaped) braided member 52 particularly is formed by braiding together conductive thin lines particularly made of metal (e.g. copper or aluminum) in a mesh-like manner.
  • additional plastic wires or yarn may be meshed into the braided member 52 to improve the mechanical properties of the sub-shield portion 54.
  • One end portion (main-shield-portion-side) of the tube-shaped braided member 52 is formed as a pipe-side portion 54a having a diameter dimension necessary for insertion of the one or more wires and to be connectable to the respective part of the conductive pipe 51, while the other (connector-side) end portion thereof is formed as a connector-side portion 54b which is able to store the one or more wires (and potentially also the one or more wire-side terminals in such a manner that they are arranged spaced apart from each other in the lateral direction thereof).
  • the connector-side portion 54b is dimensioned such that it can be connected to a braided-member side connector portion 58a.
  • the braided member 52 is at least partly covered by a flexible coating 53, so that the sub-shield portion 54 is overall configured to be deformable.
  • the coating 53 is preferably made of a silicone elastomer.
  • other elastomers such as a polyamide elastomer and a polyolefin elastomer, such as polyethylene (PE) or polyethylene vinyl chloride (PEVC) may also be used.
  • PE polyethylene
  • PEVC polyethylene vinyl chloride
  • the sub-shield portion 54 particularly is configured such that the coating 53 is substantially provided only on the outside surface of the braided member 52. Accordingly, the braided member 52 is at least partly exposed to the inner side of the substantially tubular sub-shield portion 54.
  • the braided member 52 may be slightly immersed in the coating 53, but inner parts of the braided member 52 may still be exposed in order to contact the main shield portion 51 (as described hereinafter).
  • the coating 53 fluid-tightness (particularly water-tightness) is achieved for the sub-shield portion 54.
  • the braided-member side connector portion 58a of the connector particularly may be made of metal (e.g. iron, aluminum, copper or stainless steel) and/or particularly may be formed in a cylindrical shape having a dimension substantially equal to the short horizontal portion 51d of the main shield portion 51.
  • the braided-member side connector portion 58a particularly has a length necessary and sufficient to connect together the tube-shaped braided member 52 and the main shield portion 51, while the length dimension thereof is much shorter than that of the main shield portion 51.
  • the braided-member side connector portion 58a is provided with a step 58b on which a fixing member 59 described below abuts so as to position the fixing member.
  • the step 58b is formed by making the diameter of the braided-member side connector portion 58a smaller than a diameter of a portion adjacent to the connector portion. Accordingly, a member such as fixing member 59 having a diameter substantially equal to the diameter of the braided-member side connector portion 58a can be mounted or slit onto the braided-member side connector portion 58a up to a position where it abuts on step 58b.
  • the pipe-side portion 54a of the tube-shaped braided member 52 is fitted with the outer surface of the first equipment-side end portion of the main shield portion 51 (particularly on the short horizontal portion 51d), at least one fixing member 60 such as a caulking ring or clamp is fitted with the outer surface of the pipe-side portion 54a from outside, and, by caulking or deforming the caulking ring, the pipe-side portion 54a of the tube-shaped braided member 52 is conductively fixed to the distal end portion (particularly on the short horizontal portion 51d) of the main shield portion 51.
  • the braided member 52 is at least partly exposed to the inner side of the sub-shield portion 54 so that it can be easily electrically connected to the main shield portion 51.
  • a tin plating treatment (not shown) particularly is enforced or may be provided on the outer peripheral surface of the main shield portion 51, that is, particularly on the surface thereof to be contacted with the tube-shaped braided member 52.
  • the tin plating treatment can reduce the contact resistance between the main shield portion 51 and (particularly tube-shaped) braided member 52.
  • a plating treatment for reduction of the contact resistance between them on the surface of the main shield portion 51 with which the tube-shaped braided member 52 is not directly contacted, particularly there is not enforced or provided a plating treatment for reduction of the contact resistance between them.
  • an anti-corrosion plate may be enforced or provided (for example, in case where the main shield portion 51 is made of iron, a zinc plating treatment may be enforced on the surface thereof).
  • a sealing member 62 may be provided in correspondence of the connecting area of the braided member 52 and the main shield portion 51.
  • the sealing member 62 may be provided by arranging a (particularly radiation- or heat-) shrinkable tube at least partly over the connecting area and subsequently shrinking (or reducing its radial extension) it to seal the connection of the braided member 52 and the main shield portion 51.
  • the sealing member 62 may comprise taping wound over the connecting area.
  • the connector-side portion 54b of the tube-shaped braided member 52 is placed on the braided-member side connector portion 58a of the shielded connector 58, a fixing member 59 comprising, or particularly in the form of, at least one caulking ring is fitted with the connector-side portion 54b from the outside thereof and, by caulking or deforming the caulking ring, the connector-side portion 54b of the tube-shaped braided member 52 is conductively fixed to the braided-member side connector portion 58a of the shielded connector 58.
  • the fixing member(s) 59 and/or 60 comprise(s) at least first and second crimping portions 59a, 60a, 59b, 60b, as shown in Figs. 4 and 5.
  • the fixing members 59, 60 particularly are made from a single tube having a first crimping portion 59a, 60a and a second crimping portion 59b, 60b.
  • the first crimping portion 59a, 60a has a smaller diameter than the second crimping portion 59b, 60b.
  • a tapered portion 59c, 60c at least partly disposed between the first and second crimping portions 59a, 60a, 59b, 60b integrally or unitarily connects these portions.
  • the tapered portion 59c, 60c extends in a substantially straight manner at an angle between about 20° and about 70° with respect to an axial center line (or a longitudinal direction) of the tube of fixing member 59, 60. Most preferred is an angle of between about 40° and about 50°.
  • the invention is not limited to a single tube as the fixing members 59, 60. Instead, two separate crimping members as the first and second crimping portions 59a, 60a, 59b, 60b may be provided.
  • a front end of the braided member 52 at least partly is exposed by at least partly removing the coating 53 from the sub-shield portion 54.
  • the front end of the sub-shield portion 54 is disposed on the outer circumference of the main shield portion 51.
  • the sub-shield portion 54 is electrically connected to the main shield portion 51 by fixing the exposed braided member 52 on the outer circumference of the main shield portion by crimping or deforming the first crimping portion 60a.
  • a sealing between the sub-shield portion 54 and the main shield portion 51 particularly is achieved first by crimping or deforming the second crimping portion 60b at least partly on the coating 53 and by placing the shrinking tube 62 on the outer circumference of the main shield portion 51 and on the outer circumference of the first crimping portion 60a and optionally on the outer circumference of the second crimping portion 60b and (particularly radiation- or heat-) shrinking it thereon.
  • a first sealing advantageously is provided between the coating 53 of the sub-shield portion and the second crimping portion 60b by the second crimping portion 60b crimping the coating 53.
  • a second sealing advantageously is provided between the first crimping portion 60a and the main shield portion 51 by the shrinking tube 62 acting as a particular sealing member.
  • the second sealing provided by the shrinking tube 62 particularly prevents the braided member 52 from corrosion.
  • the shrinking tube 62 particularly is not provided on the outer circumference of the coating 53, as a sealing performance between the coating 53 being made from an elastomer such as silicone and the heat-shrinkable shrinking tube 62 may not be not sufficient, i.e. a proper sealing may not be achieved between a silicone coating and the shrinking tube 62.
  • the braided-member side connector portion 58a of the connector 58 particularly is also fixed with the sub-shield portion 54 and sealed by the second crimping portion 59b of the fixing member 59 and the shrinking tube 61.
  • the mounting and sealing procedure particularly fully corresponds to the mounting and sealing procedure of the main shield portion 51 with the sub-shield portion 54.
  • the front end of the braided member 52 is exposed by at least partly removing the coating 53 from the sub-shield portion 54.
  • the front end of the sub-shield portion 54 substantially is disposed on or adjacent to the outer circumference of the braided-member side connector portion 58a.
  • the sub-shield portion 54 is electrically connected (grounded) to the connector 58 by fixing the exposed braided member 52 on the outer circumference of the braided-member side connector portion 58a by crimping or deforming the first crimping portion 59a.
  • the sealing between the sub-shield portion 54 and the connector 58 particularly is achieved first by crimping or deforming the second crimping portion 59b on the coating 53 and by placing the shrinking tube 61 on the outer circumference of the braided-member side connector portion 58a and on the outer circumference of the first crimping portion 59a and optionally on the outer circumference of the second crimping portion 59b. Accordingly, a first sealing particularly is provided between the coating 53 of the sub-shield portion 54 and the second crimping portion 59b by the second crimping portion 59b crimping the coating 53.
  • a second sealing particularly is provided between the first crimping portion 59a and the braided-member side connector portion 58a by the shrinking tube 61.
  • the second sealing provided by the shrinking tube 61 particularly prevents the braided member 52 from corrosion.
  • the shrinking tube 61 advantageously is not provided on the outer circumference of the coating 53, as a sealing performance between the coating 53 being made from an elastomer such as silicone and the heat-shrinkable shrinking tube 61 is not sufficient, i.e. a proper sealing cannot be achieved between a silicone coating and the shrinking tube 61.
  • the main shield portion 51 is not provided with a step such as step 58b of the braided-member side connector portion 58a. Accordingly, the fixing member 60 can be positioned at any location on the main shield portion 51. In this manner, an appropriate length of the shielding member 50 can be achieved, i.e. the length of the shielding member 50 can be adjusted by positioning the fixing member 60 on a specific position on the main shield portion 51.
  • the shielded connector 58 housing the one or more terminals 40 electrically connected to the wire(s) and electrically connected to the shielding member 50 is connected to a mating connector 12 provided at the first equipment 10 such as an electric device (particularly an inverter).
  • connection of the wire harness A and the second equipment (e.g. the motor) 20 is also executed similarly to the connection of the wire harness A and first equipment (e.g. the inverter unit) 10.
  • one or more wire-side terminals (not shown) projected from the substantially-elliptic portion 51e forming the end portion of the long horizontal portion 51a are inserted into their associated mounting holes 25 of the shield case 21 to thereby place the equipment-side connecting portion onto equipment-side terminals (not shown), and the (particularly two kinds of) terminals are then conductively connected to each other using bolts and nuts.
  • the main shield portion 51 is fixed to a vehicle body (not shown) at one or more positions in the intermediate portion of the wiring route of the wire harness A.
  • the wire harness A is structured such that the shielding member 50 enclosing the one or more wires collectively comprises the main shield portion 51 (particularly composed of or comprising a (metal-made or conductive) substantially rigid pipe and/or tube-like braided wires, which particularly may be semi-rigid e.g. due to a structure and/or a coating thereof) and the sub-shield portion 54 formed to be deformable (or to have a rigidity less than the main shield portion 51) particularly because it is shorter than the main shield portion 51 and/or it uses the tube-shaped braided member 52 covered by a substantially flexible coating 53.
  • the wire harness A can provide the following advantages.
  • the main shield portion 51 particularly is made of a conductive (particularly metal-made) pipe, it not only can fulfil a shield function but also can positively protect the one or more wires from objects such as bouncing stones. In this manner, because the main shield portion 51 (particularly constituting or forming a major part of the shielding member 50) serves also as means for protecting the wire(s), the number of parts can be reduced when compared with a structure in which protect means is disposed separately from the shielding member 50.
  • the main shield portion 51 particularly is at least partly made of a rigid (e.g. metal) pipe, if the two ends of the main shield portion 51 are fixed stresses generate in the fixed portions due to the vibrations thereof.
  • the sub-shield portion 54 particularly is formed flexible, it can absorb the vibrations, thereby being able to avoid the generation of the stresses in the fixed portion thereof to the first equipment.
  • the sub-shield portion 54 includes the substantially tube-shaped braided member 52 and, because the tube-shaped braided member 52 is composed of or comprises metal thin lines braided together, it can be substantially deformed flexibly. Therefore, the sub-shield portion 54 is able to cope with even a case in which the one or more wires are bent and/or wired with large curvature in the neighbouring portion of the equipment.
  • the contact area thereof with the main shield portion 51 (particularly with the short horizontal portion 51d thereof) is small and thus the two parts 52 and 51 can be lowered in reliability.
  • a plating treatment for reducing the contact resistance of the main shield portion 51 with respect to the (tube-shaped) braided member 52 particularly is enforced e.g. in correspondence of the short horizontal portion 51d, the contact reliability of the two parts 52 and 51 is high.
  • the plate treatment may be enforced substantially only on the part of the main shield portion 51 which is to be contacted with the tube-shaped braided member 52, and no plating is necessary on the long main shield portion 51. Therefore, it is possible to reduce the cost of the wire harness A down to a low level.
  • the drain hole 52’ which is open in the substantially downward direction, thereby being able to discharge the water that collects in the interior of the shielding member 50. Due to the above configuration, it can positively prevent occurrence of an unfavourable phenomenon such as corrosion due to the existence of the water.
  • the sub-shield portion is connected to the first equipment such as inverter unit.
  • the sub-shield portion can also be alternatively or additionally connected to the motor.
  • the major area of the main shield portion is formed so as to have a substantially circular section except for the end portion thereof.
  • the major area of the main shield portion may also be formed so as to have another section shape such as an elliptic section or a square shape.
  • the connecting pipe is formed so as to have a circular section.
  • the connecting pipe may also be formed so as to have another section shape such as an elliptic section shape or a square section shape.
  • tube-shaped braided member is directly connected to the main shield portion.
  • tube-shaped braided member may be connected to the main shield portion through a connecting pipe fixedly connected to the main shield portion.
  • the shielded connector 58 is provided with the step 58b for positioning the fixing member 59, while the main shield portion 51 is not provided with a step.
  • the main shield portion 51 may also be provided with a step for positioning the fixing member 60, or only the main shield portion 51 may be provided with a step, while step 58b of the shielded connector 58 is omitted.
  • a further alternative is that none of the shielded connector 58 and the main shield portion 51 is provided with a step.
  • a ... shielded wire harness 10 ... first equipment (e.g. inverter) 12 ... equipment connector (mating connector) 20 ... second equipment (e.g. motor) 30 ... one or more wires 21 ... conductive shield case 25 ... mounting hole 26 ... hole 40 ... terminal 50 ... shielding member 51 ... conductive pipe (main shield portion) 51a ... horizontal portion 51b ... lowest portion 51c ... rising portion 51d ... short horizontal portion 51e ... substantially elliptic portion 51f ... mounting portion 51g ... bolt hole 52’ ... drain hole 52 ... braided member 52a ... exposed end portion 53 ... coating 54 ... sub-shield portion 54a ... pipe-side portion 54b ... connector-side portion 58 ...
  • shielded connector 58a ... braided-member side connector portion 58b step 59, 60 ... fixing member 59a, 60a first crimping portion 59b, 60b second crimping portion 59c, 60c tapered portion 61, 62 ... shrinking tube (sealing member)

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Mechanical Engineering (AREA)
  • Insulated Conductors (AREA)
PCT/JP2018/046925 2018-01-10 2018-12-20 Shielded wire harness, shielding member and method of producing a shielded wire harness WO2019138829A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102018000140.8 2018-01-10
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EP4050077A1 (de) 2021-02-26 2022-08-31 tesa SE Klebeband zum ummanteln von langgestrecktem gut wie insbesondere kabelsätzen und verfahren zur ummantelung
CN115764187A (zh) * 2022-12-14 2023-03-07 上海储睿达智慧能源科技有限公司 一种电芯参数采集结构及储能电池模组

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DE202011101380U1 (de) * 2011-06-01 2011-08-08 Amphenol-Tuchel Electronics Gmbh Kabelzugentlastung und Steckverbinder mit Kabelzugentlastung
US20140326479A1 (en) 2011-12-26 2014-11-06 Autonetworks Technologies, Ltd Electric-wire protecting pipe and wire harness
EP3253625A1 (de) * 2015-03-10 2017-12-13 Sumitomo Wiring Systems, Ltd. Abgeschirmter kabelbaum, abschirmungselement und verfahren zur herstellung eines abgeschirmten kabelbaums

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US20090083974A1 (en) * 2007-09-28 2009-04-02 Marcell Nickol Crimping apparatus for cables, particularly shielded cables
DE202011101380U1 (de) * 2011-06-01 2011-08-08 Amphenol-Tuchel Electronics Gmbh Kabelzugentlastung und Steckverbinder mit Kabelzugentlastung
US20140326479A1 (en) 2011-12-26 2014-11-06 Autonetworks Technologies, Ltd Electric-wire protecting pipe and wire harness
EP3253625A1 (de) * 2015-03-10 2017-12-13 Sumitomo Wiring Systems, Ltd. Abgeschirmter kabelbaum, abschirmungselement und verfahren zur herstellung eines abgeschirmten kabelbaums

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4050077A1 (de) 2021-02-26 2022-08-31 tesa SE Klebeband zum ummanteln von langgestrecktem gut wie insbesondere kabelsätzen und verfahren zur ummantelung
DE102021201856A1 (de) 2021-02-26 2022-09-01 Tesa Se Klebeband zum Ummanteln von langgestrecktem Gut wie insbesondere Kabelsätzen und Verfahren zur Ummantelung
CN115764187A (zh) * 2022-12-14 2023-03-07 上海储睿达智慧能源科技有限公司 一种电芯参数采集结构及储能电池模组
CN115764187B (zh) * 2022-12-14 2024-04-09 上海储睿达智慧能源科技有限公司 一种电芯参数采集结构及储能电池模组

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DE102018000140B4 (de) 2019-10-02

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