WO2015072335A1 - ワイヤハーネス - Google Patents
ワイヤハーネス Download PDFInfo
- Publication number
- WO2015072335A1 WO2015072335A1 PCT/JP2014/078870 JP2014078870W WO2015072335A1 WO 2015072335 A1 WO2015072335 A1 WO 2015072335A1 JP 2014078870 W JP2014078870 W JP 2014078870W WO 2015072335 A1 WO2015072335 A1 WO 2015072335A1
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- WO
- WIPO (PCT)
- Prior art keywords
- shield member
- case
- bracket
- shield
- pair
- Prior art date
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Classifications
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- 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
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- 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
- H01B7/0045—Cable-harnesses
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- 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
- H01B7/04—Flexible cables, conductors, or cords, e.g. trailing cables
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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
- 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
- H01R13/6592—Specific features or arrangements of connection of shield to conductive members the conductive member being a shielded cable
- H01R13/6593—Specific features or arrangements of connection of shield to conductive members the conductive member being a shielded cable the shield being composed of different pieces
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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
- 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
- H01R13/65912—Specific features or arrangements of connection of shield to conductive members for shielded multiconductor cable
Definitions
- the technology disclosed in this specification relates to a wire harness using a sheet-like shield member.
- the shield connector includes a synthetic resin housing and a metal shield shell covering the housing, and a plurality of terminals are held in the housing in a state of being prevented from coming off. Each terminal is connected to a terminal of an electric wire, respectively, and these electric wires are all drawn out behind the housing.
- the shield shell is provided with a cylindrical shield member (for example, a braided wire) that collectively covers a plurality of electric wires. The shield member is shielded by being crimped to the shield shell in a state where the plurality of wires are passed through. Connected.
- the above shielded connectors are provided at both ends of a three-phase electric wire connecting the inverter and the motor, for example.
- the wires connecting these devices become short, and the work of caulking the shield member to the shield shell cannot be performed, so that the devices cannot be shielded.
- the reason why the shield member cannot be caulked is that the caulking operation is generally performed by a crimping machine.
- the shield connectors are close to each other, when the shield member is caulked to the shield shell of one shield connector, the other shield connector is crimped. This is because the machine enters the work area of the machine and the other shield connector interferes with the crimping machine.
- a wire harness disclosed in the present specification is a wire harness that connects a first device and a second device, and is connected to a first shield connector that is connected to the first device and a second device.
- the electric wire includes the first shield connector and the second shield. After being arranged between the connectors, a sheet-shaped shield member is placed on the electric wire so that the first device and the second device are shielded.
- the first device and the second device are simply covered with the sheet-shaped shield member. Can be shielded between.
- a sheet-like shield member can be retrofitted between the first device and the second device, there is no need to pass the tubular shield member through the electric wire as in the prior art. Therefore, even when the electric wire which connects between apparatuses is short, between these can be shielded.
- a first metal plate made of a conductive metal plate, having a first shield member connection portion connected to the shield member and having a first case connection portion connected to a first case constituting the outer surface of the first device.
- a bracket may be provided, and the shield member may be connected to the first case via the first bracket by bolting the first case connection portion to the first case.
- the first shield member connecting portion may be connected to the shield member in advance, and the first case connecting portion may be bolted to the first case. Therefore, the connecting work of the shield member having a sheet shape is easy. become. This eliminates the need for complicated operations such as connecting the shield member directly to the first case.
- a pair of first brackets are provided, and the pair of first brackets are bent between the pair of first brackets after the pair of first shield member connecting portions are connected so as to be aligned at the peripheral edge of the shield member. It is good also as a structure which mutually assembles. According to such a structure, the operation
- the pair of first shield member connecting portions may be arranged in an opposing state, and the shield member may surround the electric wire over the entire circumference. According to such a structure, the operation
- the pair of first case connecting portions may be fastened together with the first case in a state of being overlapped. According to such a configuration, since the bolt fastening work for the first case is reduced, the work for connecting the first bracket to the case is facilitated.
- the first shield connector includes a first resin housing and a first terminal connected to one end of the electric wire and formed integrally with the first housing.
- the second shield connector is made of resin.
- the second housing may be configured to include a second terminal connected to the other end of the electric wire and formed integrally with the second housing.
- the cylindrical shield member cannot be passed through the electric wire.
- the first terminal is formed integrally with the first housing
- the cylindrical shield member is passed through the electric wire
- the electric wire is short even if the second terminal is formed integrally with the second housing. This is because the shield member is in the way and resin molding cannot be performed.
- the first and second housings obstruct the shield members so that the cylindrical shield members can be assembled to the electric wires later. Cannot be assembled. In that respect, according to the above configuration, since the sheet-like shield member is assembled to the electric wire by retrofitting, the shield member does not interfere with resin molding.
- a second upper bracket including a second upper bracket and a second lower bracket, each having a second shield member connecting portion connected to the shield member and having a second case connecting portion connected to the case of the second device.
- the second case connecting portion includes a first shaft hole in which a shaft portion of the bolt is disposed, and an introduction hole for introducing the shaft portion from the radial direction of the shaft portion to the first shaft hole,
- the 2nd case connection part of 2 lower brackets is good also as a structure provided with the 2nd axial hole which penetrates an axial part from the axial direction of an axial part. According to such a configuration, since the shaft portion of the bolt can be introduced from the radial direction of the shaft portion with respect to the first shaft hole by introducing the shaft portion of the bolt from the introduction hole, The bracket can be attached later.
- Second case connection portions are provided at both ends of the second upper bracket, respectively, the introduction direction of the shaft portion in the introduction hole of one second case connection portion, and the introduction of the shaft portion in the introduction hole of the other second case connection portion.
- the first shaft in a state where the shaft portion is disposed in the first shaft hole of one second case connection portion in the introduction hole of the other second case connection portion. It is good also as a structure by which the axial part can enter when the other 2nd case connection part is rotated centering on a hole.
- the second upper bracket can be mounted by a simple operation of rotating the other second case connecting portion around the first shaft hole of one second case connecting portion.
- the second upper bracket can be securely attached to the shaft portion of the bolt even in an environment where it is difficult to see the second upper bracket due to the electric wire.
- the second case connecting portion of the second lower bracket may be configured to include a separation preventing piece that prevents the second upper bracket from separating. According to such a configuration, in a state where the second lower bracket is attached to the second upper bracket, the second upper bracket can be prevented from being detached by the separation preventing piece.
- a mounting plate for mounting the second upper bracket and the second lower bracket to the second case is provided, and the second case connecting portion of the second lower bracket includes a positioning piece for positioning the second lower bracket.
- the mounting plate may have a configuration including a positioning receiving portion that engages with the positioning piece. According to such a configuration, the second lower bracket can be positioned by locking the positioning piece to the positioning receiving portion.
- FIG. 1 Perspective view of wire harness Exploded perspective view of wire harness
- the perspective view which showed simply the state which arranged the shield member connection part in the peripheral part of the shield member The perspective view which showed simply the state which crimped
- Sectional drawing which showed simply the state before crimping a shield member connection part to the peripheral part of a shield member with a crimping machine
- the wire harness 10 of the present embodiment is an example of a motor (an example of the “first device” of the present invention, not shown) and an inverter (an example of the “second device” of the invention, not shown). ) Is a power cable to connect between.
- the inverter is directly connected to the motor, and the inverter side terminal block (not shown) attached to the inverter case and the motor side terminal block (not shown) attached to the motor case are arranged at a very close distance.
- a first shield connector 20 is provided at one end of the wire harness 10, and a second shield connector 30 is provided at the other end of the wire harness 10.
- the first shield connector 20 is fitted and connected to the motor side terminal block, and the second shield connector 30 is fitted and connected to the inverter side terminal block.
- the electric wire 40 includes a core wire formed by bundling a plurality of strands made of copper, copper alloy, aluminum, or aluminum alloy, and a coating made of an insulating resin that covers the core wire.
- the electric wire 40 is a large-diameter electric wire corresponding to a large current application, the electric wire 40 is flexible enough to be bent at approximately 90 °. Since the plurality of electric wires 40 are arranged side by side without being bundled, the plurality of electric wires 40 can be bent together at approximately 90 °.
- the first shield connector 20 includes a first housing 21 made of synthetic resin and a first terminal 22 formed integrally with the first housing 21.
- the first housing 21 can be fitted into a mounting hole (not shown) formed through the case of the motor.
- a first seal ring 80 is fitted on the outer peripheral surface of the first housing 21.
- the first seal ring 80 is sandwiched between the outer peripheral surface of the first housing 21 and the inner peripheral surface of the mounting hole. The interior of the first housing 21 is sealed.
- a first bracket 60 including a first upper bracket 61 and a first lower bracket 62 is assembled to the first housing 21.
- the first bracket 60 includes a cylindrical first cylindrical portion 63 (see FIG. 1) through which the plurality of electric wires 40 are inserted.
- the first bracket 60 is obtained by punching a conductive metal plate and bending it.
- first shield member connection portions 64 have a plate shape, and are arranged in an opposed state when the first upper bracket 61 and the first lower bracket 62 are assembled to each other, as shown in FIG.
- a pair of first case connection portions 65 that are bolted to the case constituting the outer surface of the motor are formed on the opposite side portions on the short side side constituting the first cylindrical portion 63 so as to protrude laterally. .
- the pair of first case connection portions 65 are fastened together with the motor case.
- the first case connecting portion 65 includes a horizontal portion 65A projecting in the horizontal direction from the first tubular portion 63, a vertical portion 65B projecting in the vertical direction from the side edge of the horizontal portion 65A, and the vertical portion 65B.
- the fastening portion 65C extends from the tip again in the horizontal direction, and the horizontal portion 65A and the fastening portion 65C are arranged so as to protrude in opposite directions with respect to the vertical portion 65B.
- the horizontal portion 65 ⁇ / b> A and the fastening portion 65 ⁇ / b> C are arranged in parallel and are also arranged in parallel with the pair of first shield member connection portions 64.
- the overlapping portion formed by overlapping the first case connection portion 65 of the first upper bracket 61 and the first case connection portion of the first lower bracket 62 is located on the first lower bracket 62 side as shown in FIG.
- a plurality of hooking convex portions 62A formed and a plurality of hooking concave portions 61A formed on the first upper bracket 61 side are configured.
- the hooking convex part 62A and the hooking concave part 61A are arranged separately in a horizontal part 65A and a fastening part 65C. Further, the hooking convex part 62A and the hooking concave part 61A are formed on both the peripheral edge of the first case connecting part 65 extending in the drawing direction of the electric wire 40 and the peripheral edge orthogonal thereto.
- the pair of case connecting parts 65 are integrally held and the pair of first shield member connecting parts 64 are opposed to each other. It arrange
- a detachment preventing portion 66 is formed to project to the first housing 21 side at the periphery of the horizontal portion 65A of the first case connecting portion of the first upper bracket 61.
- a hole 66 ⁇ / b> A is formed through the release preventing portion 66.
- a retaining protrusion 23 is formed on the outer peripheral surface of the first housing 21 to be inserted through the hole 66 ⁇ / b> A of the retaining portion 66.
- an upper mounting protrusion 64 ⁇ / b> A is formed on the side edge of the first shield member connection portion 64 of the first upper bracket 61.
- the upper mounting protrusion 64 ⁇ / b> A is formed to protrude downward at the center of the long side portion of the first shield member connection portion 64.
- an upper mounting hole 24A into which the upper mounting protrusion 64A is inserted is formed on the upper surface of the first housing 21 so as to open upward.
- a lower mounting protrusion 64B is formed on the side edge of the first shield member connecting portion 64 of the first lower bracket 62.
- the lower mounting protrusion 64 ⁇ / b> B is formed to protrude upward at the center of the long side portion of the first shield member connection portion 64.
- a lower mounting hole (not shown) into which the lower mounting protrusion 64B is inserted is formed on the lower surface of the first housing 21.
- the first bracket 60 In a state where the upper mounting protrusion 64A is inserted into the upper mounting hole 24A and the lower mounting protrusion 64B is inserted into the lower mounting hole, the first bracket 60 can be moved by a predetermined dimension in the vertical direction. . In addition, in a state where the pair of retaining protrusions 23 are respectively inserted into the holes 66A of the pair of retaining portions 66, the pair of retaining protrusions 23 can be moved by a predetermined dimension in the horizontal direction. Therefore, in a state where the first bracket 60 is fixed to the motor case, the first shield connector 20 is allowed to move by a predetermined dimension in the vertical direction and the horizontal direction, but is disengaged from the first bracket 60. There is no such thing.
- the second shield connector 30 includes a second housing 31 made of synthetic resin, and a second terminal 32 formed integrally with the second housing 31.
- the second shield connector 30 is provided with a plate-like metal plate 90, and the second shield connector 30 is fixed to the inverter case by bolting the metal plate 90 to the inverter case.
- a second seal ring 81 is attached to the second housing 31, and the second seal ring 81 is connected to the metal plate 90 and the inverter case as the metal plate 90 is bolted to the inverter case. It is clamped between the outer surface and sealed from the inside of the case of the inverter to the inside of the second housing 31.
- the metal plate 90 has a rectangular outer shape and is integrally formed with the second housing 31, and a pair of flange portions 92 project from the long side edge of the metal plate 90. Each flange portion 92 protrudes in a direction orthogonal to the extending direction on the long side of the metal plate 90 and is arranged in parallel to each other.
- Bolts 91 are fixed to the flange portions 92, respectively. As shown in FIG. 10, the bolt 91 has a known configuration including a head 91A and a shaft portion 91B protruding from the head 91A.
- the shaft portion 91B is disposed through the bolt mounting hole 92A formed in the flange portion 92 so as to pass upward from the lower side in the drawing, and the head portion 91A abuts the peripheral portion of the bolt mounting hole 92A from the lower side in the drawing. It is fixed.
- a second bracket 70 including a second upper bracket 71 and a second lower bracket 72 is fastened to each flange portion 92 of the metal plate 90 by a pair of bolts 91.
- the second bracket 70 has a cylindrical second cylindrical portion 73 through which the plurality of electric wires 40 are collectively inserted.
- the second upper bracket 71 and the second lower bracket 72 are both formed by punching a conductive metal plate and bending it.
- bolt 91 is used as the 2nd upper side bracket 71 here.
- the shield connector includes a synthetic resin housing and a metal shield shell that covers the housing.
- the shield shell is formed with a cylindrical portion on which a cylindrical braided wire that covers a plurality of electric wires is attached.
- the braided wire is pressure-bonded to the tubular portion by covering the outer periphery of the tubular portion with a braided wire and fastening a pair of fixed pieces from the outer peripheral side.
- a male piece and a female piece that are detachably engaged with each other are provided at one end of the pair of fixed pieces, and flanges that can be fastened with screws are provided at the other ends of the pair of fixed pieces.
- Each flange is formed with a through hole for passing a shaft portion of the bolt.
- the through-hole is a closed hole, and the hole edge of the through-hole is continuously continuous over the entire circumference. Therefore, when the bracket is assembled, one fixed piece is attached to the stud bolt, the electric wire is disposed thereon, and the other fixed piece is attached to the stud bolt from above.
- the electric wire 40 is first arranged, and then the second bracket 70 is attached later, and the fixing piece attached to the lower side of the electric wire 40 is attached to the bolt 91. Even so, the electric wire 40 gets in the way and the fixed piece cannot be attached to the bolt 91. Therefore, in this embodiment, the 2nd bracket 70 is attached to the volt
- the structure will be specifically described with reference to FIGS.
- the other end 52 (see FIG. 2) of the shield member 50 described later is provided on a pair of opposing sides constituting the long side of the second cylindrical portion 73 assembled with the second upper bracket 71 and the second lower bracket 72.
- a pair of upper and lower second shield member connection portions 74 is formed.
- These second shield member connection portions 74 have a plate shape, and are arranged in an opposed state when the second upper bracket 71 and the second lower bracket 72 are assembled to each other, as shown in FIG.
- a pair of left and right plate connecting portions 75 that are fastened together with the metal plate 90 are formed on the pair of opposed side portions constituting the short side of the second cylindrical portion 73 so as to protrude sideways. Yes.
- FIG. 1 As shown in FIG.
- the plate connecting portion 75 is specifically configured by superposing a pair of second case connecting portions 76.
- the first shaft hole 77 and the second shaft hole 78 are formed in the overlapping portion.
- the bolts 91 of the metal plate 90 are inserted into the shaft holes 77 and 78 and the nuts 93 are tightened to fasten the pair of second case connecting portions 76 to the metal plate 90 together.
- the second case connecting portion 76 of the second upper bracket 71 is provided on both sides of the second shield member connecting portion 74 as shown in FIG. Further, as shown in FIG. 12, the second shield member connection portion 74 of the second upper bracket 71 is connected to the second upper substrate portion 74A so as to form an acute angle with the second upper substrate portion 74A.
- the second upper crimping piece 74B is provided.
- the second case connection portion 76 of the second lower bracket 72 is provided on both sides of the second shield member connection portion 74 as shown in FIG. Further, as shown in FIG. 14, the second shield member connecting portion 74 of the second lower bracket 72 has an acute angle with the second lower substrate portion 74C and the second lower substrate portion 74C.
- the second lower crimping piece 74D is connected to the second lower crimping piece 74D.
- each second case connection portion 76 of the second upper bracket 71 is provided with a horizontal introduction hole 79 ⁇ / b> A and a vertical introduction hole 79 ⁇ / b> B for introducing the shaft portion 91 ⁇ / b> B of the bolt 91 into the first shaft hole 77.
- Each of the lateral introduction hole 79A and the longitudinal introduction hole 79B has the same width as the diameter of the first shaft hole 77, and is formed by cutting out in the radial direction of the first shaft hole 77.
- the horizontal introduction hole 79A on the left side of FIG. 6 is cut out in the long side direction of the second shield member connecting portion 74, whereas the vertical introduction hole 79B on the right side of FIG.
- connection part 74 is cut out in the short side direction. That is, the horizontal introduction hole 79A and the vertical introduction hole 79B are arranged orthogonally. In other words, the introduction direction of the shaft portion 91B in the lateral introduction hole 79A of the second case connection portion 76 on the left side in FIG. 6 and the shaft portion 91B in the vertical introduction hole 79B of the second case connection portion 76 on the right side in FIG. The arrangement is orthogonal to the direction of introduction. In addition, on the outer peripheral edge portion of the case connecting portion 76 on the right side of FIG. 6, a relief edge portion 79 ⁇ / b> C cut out in the same direction as the cutout direction of the vertical introduction hole 79 ⁇ / b> B is formed.
- the second upper bracket 71 introduces the shaft portion 91B of the bolt 91 on the left side of the drawing from the lateral introduction hole 79A into the first shaft hole 77, and then vertically introduces the shaft portion 91B as a rotation center.
- the second case connecting portion 76 on the hole 79B side can be rotated.
- the shaft portion 91B of the bolt 91 on the right side of the drawing is introduced into the first shaft hole 77 from the vertical introduction hole 79B.
- the relief edge 79 ⁇ / b> C is arranged on the inner side of the notch 92 ⁇ / b> B of the metal plate 90.
- each 2nd axial hole 78 of the 2nd lower bracket 72 is made into the closed hole, and the hole edge part of the 2nd axial hole 78 continues unbroken over the perimeter. Yes.
- the second case connecting portion 76 on the right side of the second upper bracket 71 is supported by the separation preventing piece 76A.
- the first positioning piece 76B contacts the left flange portion 92 in the drawing from the left, and the second positioning piece 76C contacts the cutout portion 92B of the right flange portion 92 in the drawing from the right.
- the second lower bracket 72 is arranged in a positioning state with respect to the flange portions 92 of the metal plate 90 by the positioning pieces 76B and 76C.
- the escape edge 79C of the second upper bracket 71 is arranged in a non-contact state with the second positioning piece 76C of the second lower bracket 72.
- the second upper bracket 71 is held in the mounting posture of FIG. 7 by the separation preventing piece 76A. Since the diameter of the shaft portion 91B of the bolt 91 is substantially the same as or slightly smaller than the diameter of the first shaft hole 77, the second upper bracket 71 has the mounting posture shown in FIG. Is retained. Therefore, in a state where the second lower bracket 72 is attached to the second upper bracket 71, not only the second lower bracket 72 but also the second upper bracket 71 is arranged in a positioned state. Then, as shown in FIG. 8, when the nut 93 is fastened to the shaft portion 91 ⁇ / b> B of the bolt 91, it is possible to prevent the second upper bracket 71 and the second lower bracket 72 from being bolted in a tilted state.
- the shield member 50 is made of a conductive metal cloth, and is a woven fabric in which metal threads are knitted, unlike a so-called braided wire. That is, in the braided wire, a plurality of metal yarns are crossed in an X shape, whereas in a metal cloth, a plurality of metal yarns are composed of warp and weft yarns, and are crossed in a + shape. Yes. For this reason, in the braided wire, the metal yarn is easily frayed, whereas in the metal cloth, the metal cloth is not frayed.
- a metal cloth is, for example, a fabric having a mesh structure in which metal yarns mainly composed of copper are woven so as to intersect each other in the vertical and horizontal directions.
- the metal cloth may have a structure in which a flexible film made of a resin material is attached to a metal yarn cloth.
- the first shield member connecting portion 64 includes a first substrate portion 64C and a first pressure-bonding piece 64D connected to the first substrate portion 64C so as to form an acute angle. Has been.
- a first chamfer 64E is provided on the inner side of the front end of the first substrate portion 64C.
- the second shield member connecting portion 74 is connected to the second upper substrate portion 74A and the second lower substrate portion 74C, and the second upper substrate portion 74A and the second lower substrate portion 74C.
- the first case connection portion of the first bracket 60 is provided on both sides of the first substrate portion 64C
- the second case connection portion 76 of the second bracket 70 is composed of the second upper substrate portion 74A and the second lower substrate portion 74C. Provided on both sides.
- the peripheral portion 53 of the shield member 50 is inserted between the first substrate portion 64C and the first crimping piece 64D, and the peripheral portion 53 of the shield member 50 is placed on the first substrate portion 64C. Then, the crimping machine 100 is lowered from above the first crimping piece 64D. Then, as shown in FIG. 19, the first crimping piece 64 ⁇ / b> D is crimped and crimped to the peripheral portion 53 of the shield member 50. Then, when the crimping machine 100 is raised and the shield member 50 is removed from the crimping machine 100 as shown in FIG.
- the first crimping piece 64D is caulked, and the peripheral portion 53 of the shield member 50 becomes the first substrate portion 64C. And the first crimping piece 64D are fixed in a sandwiched state. Similarly, the peripheral portion 53 of the shield member 50 is sandwiched between the second upper substrate portion 74A and the second lower substrate portion 74C and the second upper crimping piece 74B and the second lower crimping piece 74D. Fixed.
- the shield member 50 is connected to the motor case via the first bracket 60 and is connected to the inverter case via the second bracket 70.
- the shield member 50 can easily come into contact with the tip of the first substrate portion 64C, but the tip of the first substrate portion 64C Since the first chamfer 64E is provided, the shield member 50 is prevented from being damaged.
- the second upper substrate part 74A and the second lower substrate part 74C are longer than the second upper crimping piece 74B and the second lower crimping piece 74D.
- the terminals 22 and 32 are molded into the housings 21 and 31 so that the plurality of electric wires 40 are disposed between the first shield connector 20 and the second shield connector 30.
- the first upper bracket 61 and the first lower bracket 62 are arranged side by side on the peripheral edge 53 of the one end 51 of the shield member 50.
- the second upper bracket 71 and the second lower bracket 72 are arranged side by side on the peripheral edge 53 of the other end 52 of the shield member 50.
- the crimping pieces 64D, 74B, and 74D of the brackets 61, 62, 71, and 72 are respectively crimped by a crimping machine so that the shield member connection portions 64 and 74 are crimped to the peripheral portion 53 of the shield member 50.
- the first upper bracket 61 and the first lower bracket 62 are connected side by side at the peripheral edge 53 of the one end 51 of the shield member 50
- the second upper bracket 71 and the second lower bracket 72 are connected to the shield member 50. They are connected side by side at the peripheral edge 53 of the other end 52.
- the shield member 50 is passed below the plurality of electric wires 40, and is arranged so that the plurality of electric wires 40 cross over the first lower bracket 62 and the second lower bracket 72.
- each bracket 61, 62, 71, 72 of the shield member 50 is folded (in the vicinity of the folding line L1 in FIG. 16) and covered on the upper side of the plurality of electric wires 40.
- the shield member 50 is folded between the upper brackets 61 and 71 and the lower brackets 62 and 72 (near the folding line L2 in FIG. 16) so that the first upper bracket 61 and the second upper bracket 71 are placed above the plurality of electric wires 40. Cover.
- the shield member 50 is configured in a cylindrical shape as a whole in a state where the extra length portion 54 is folded into the shield member 50.
- the 1st upper side bracket 61 and the 1st lower side bracket 62 are arrange
- the 2nd upper side bracket 71 and the 2nd lower side bracket 72 are arrange
- the brackets 61, 62, 71, 72 are assembled to the shield connectors 20, 30.
- the shield member 50 is wound around the plurality of electric wires 40 and retrofitted to the shield connectors 20 and 30.
- the second bracket 70 is fixed to the metal plate 90 at the same time as the shield member 50 is wound around the plurality of electric wires 40 and the shield member 50 is retrofitted to the first shield connector 20 and the second shield connector 30.
- This fixing method will be described with reference to FIGS.
- the shield member 50 has a sheet shape, and the second upper bracket 71 and the second lower bracket 72 are arranged side by side. Therefore, attachment to the metal plate 90 is performed while passing the second upper bracket 71 through the back side of the plurality of electric wires 40 (the back side in the drawing in FIG. 6).
- the shaft portion 91B of the bolt 91 is introduced into the lateral introduction hole 79A of the second upper bracket 71, and when the shaft portion 91B reaches the back end portion of the lateral introduction hole 79A, the shaft portion 91B The uniaxial hole 77 is disposed. Thereafter, when the second upper bracket 71 is rotated with the shaft portion 91B as the rotation center, the shaft portion 91B of the other bolt 91 is introduced into the vertical introduction hole 79B, and as shown in FIG. When the inner end of 79B is reached, the other shaft portion 91B is disposed in the other first shaft hole 77.
- the position of the second upper bracket 71 cannot be seen by the metal plate 90 or the electric wire 40. However, since it is attached by rotating the second upper bracket 71 after the shaft portion 91B is disposed in one of the first shaft holes 77, even if it is in a state where positioning is easy and the hand is not visible, Easy to work.
- each second shaft hole 78 of the second lower bracket 72 is directed from the near side to the back side with respect to the shaft portion 91B of each bolt 91 (axis (In the axial direction of the portion 91B). Then, as shown in FIG. 6, the second upper bracket 71 is prevented from being detached by the separation preventing piece 76A, and the second brackets 71 and 72 are held in the positioning state by the positioning pieces 76B and 76C.
- the second upper bracket 71 and the second lower bracket 72 are fastened together with the metal plate 90 by tightening the nut 93 to each shaft portion 91B, and as shown in FIG. While the cylindrical part 73 is comprised, the shield member 50 which makes a cylinder shape is comprised.
- the motor, the inverter, and the inverter are simply covered with the sheet-like shield member 50. Can be shielded between.
- the sheet-like shield member 50 can be retrofitted between the motor and the inverter, there is no need to pass the tubular shield member through the electric wire 40 as in the prior art. Therefore, even when the electric wire 40 which connects apparatuses is short, between these can be shielded.
- the first bracket 60 is made of a conductive metal plate, has a first shield member connection portion 64 connected to the shield member 50, and has a first case connection portion connected to a case constituting the outer surface of the motor.
- the shield member 50 may be connected to the case via the first bracket 60 by bolting the first case connection portion 65 to the case.
- the first shield member connection portion 64 is connected to the shield member 50 in advance, and the first case connection portion 65 may be bolted to the case. Therefore, the connection work of the shield member 50 having a sheet shape is performed. It becomes easy. This eliminates the need for complicated operations such as connecting the shield member 50 directly to the case.
- the first upper bracket 61 and the first lower bracket 62 are provided, and the first upper bracket 61 and the first lower bracket 62 are connected so as to be aligned in the peripheral portion 53 of the shield member 50, the first upper bracket 61 is then connected.
- the shield member 50 may be bent between the first lower bracket 62 and the first upper bracket 61 and the first lower bracket 62 may be assembled together.
- the pair of first shield member connection portions 64 are arranged in an opposing state, and the shield member 50 is wound around the electric wire 40 over the entire circumference. It is good also as composition which has.
- the work of winding the sheet-like shield member 50 around the electric wire 40 becomes easy. Moreover, the shielding performance by the shield member 50 can be enhanced.
- the pair of first case connection portions 65 may be fastened together with the case in a superimposed state.
- the first shield connector 20 includes a first resin housing 21 and a first terminal 22 connected to one end of the electric wire 40 and formed integrally with the first housing 21.
- 30 may be configured to include a second housing 31 made of resin and a second terminal 32 that is connected to the other end of the electric wire 40 and formed integrally with the second housing 31.
- the cylindrical shield member 50 is provided in the wire harness 10 in which the first and second terminals 22 and 32 connected to both ends of the electric wire 40 are integrally formed with the first and second housings 21 and 31, respectively.
- the wire 40 cannot be threaded. The reason is that, after the first terminal is formed integrally with the first housing, when the cylindrical shield member is passed through the electric wire, the electric wire is short even if the second terminal is formed integrally with the second housing. This is because the shield member is in the way and resin molding cannot be performed. Further, after the first and second terminals are integrally formed with the first and second housings, the first and second housings obstruct the shield members so that the cylindrical shield members can be assembled to the electric wires later. Cannot be assembled. In that respect, according to the above configuration, since the sheet-like shield member 50 is assembled to the electric wire 40 later, the shield member 50 does not get in the way when resin molding is performed.
- the shaft portion 91B of the bolt 91 is introduced from the lateral introduction hole 79A and the longitudinal introduction hole 79B, so that it can be disposed from the radial direction of the shaft portion 91B with respect to the first shaft hole 77.
- the second upper bracket 71 can be attached later.
- Second case connection portions 76 are respectively provided at both ends of the second upper bracket 71, and the introduction direction of the shaft portion 91 ⁇ / b> B in the lateral introduction hole 79 ⁇ / b> A of one second case connection portion 76 and the other second case connection portion 76.
- the vertical introduction hole 79 ⁇ / b> B is arranged to intersect the introduction direction of the shaft portion 91 ⁇ / b> B.
- the vertical introduction hole 79 ⁇ / b> B of the other second case connection portion 76 has a first shaft hole of one second case connection portion 76.
- the shaft portion 91B can enter when the other second case connecting portion 76 is rotated around the first shaft hole 77 in a state where the shaft portion 91B is disposed on the shaft 77. Good.
- the second upper bracket 71 can be mounted by a simple operation of rotating the other second case connecting portion 76 around the first shaft hole 77 of one second case connecting portion 76. Therefore, the second upper bracket 71 can be securely attached to the shaft portion 91 ⁇ / b> B of the bolt 91 even in an environment where the second upper bracket 71 is difficult to be seen by the electric wire 40.
- the second case connection portion 76 of the second lower bracket 72 may include a separation preventing piece 76A that prevents the second upper bracket 71 from separating. According to such a configuration, in a state where the second lower bracket 72 is attached to the second upper bracket 71, it is possible to prevent the second upper bracket 71 from being detached by the separation preventing piece 76A.
- a metal plate 90 is provided for attaching the second upper bracket 71 and the second lower bracket 72 to the case, and the second case connection portion 76 of the second lower bracket 72 positions the second lower bracket 72.
- the first positioning piece 76B and the second positioning piece 76C may be provided, and the metal plate 90 may include a notch 92B that is engaged with the second positioning piece 76C. According to such a configuration, the second lower bracket 72 can be positioned by locking the second positioning piece 76C to the notch 92B.
- the first bracket 60 is crimped using a crimping machine 101 in which the configuration of the crimping machine 100 of the embodiment is partially changed.
- the second bracket 70 may also be crimped by the crimping machine 101.
- a plurality of crimping ribs 103 are formed on the crimping surface 102 of the crimping machine 101. For this reason, when the first bracket 60 is crimped to the peripheral portion 53 of the shield member 50 by the crimping machine 101, the first crimping piece 64D is moved to the first substrate portion 64C side by the crimping rib 103 as shown in FIGS. The peripheral portion 53 of the shield member 50 is sandwiched with a high pressure between the extruded portion and the first substrate portion 64C. Therefore, it is possible to reliably prevent the shield member 50 from being detached from the first bracket 60.
- the sheet-like shield member 50 is wound around the plurality of electric wires 40 to form a cylindrical shape.
- the sheet The shield member 50 may be simply covered with the plurality of electric wires 40 from the side opposite to the case, and may not necessarily be configured in a cylindrical shape.
- the pair of brackets 61 and 62 are bolted to the case to form a cylinder, but an integrated bracket in which the pair of brackets are integrally formed via a hinge is prepared.
- the hinge may be bent to form a cylindrical shape.
- brackets 61 and 62 are fastened to the case together in the above embodiment, the pair of brackets may be bolted separately to the case according to the present invention.
- terminals 22 and 32 are held by being molded integrally with the housings 21 and 31 in the above embodiment, the terminals may be prevented from being detached by a lance provided in the housing.
- the introduction holes 79A and 79B of the second upper bracket 71 are arranged perpendicular to each other in the above embodiment, the introduction holes may be arranged in parallel. Specifically, a pair of vertical introduction holes may be arranged in parallel by arranging vertical introduction holes instead of the horizontal introduction holes.
- separation preventing piece 76A Although only one separation preventing piece 76A is provided in the above embodiment, a plurality of separation preventing pieces may be provided. Further, the position of the separation preventing piece can be appropriately set according to the separation direction of the second upper bracket.
- first positioning piece 76B and the second positioning piece 76C are provided in the above embodiment, only one of the positioning pieces may be provided.
- SYMBOLS 10 Wire harness 20 ... 1st shield connector 21 ... 1st housing 22 ... 1st terminal 30 ... 2nd shield connector 31 ... 2nd housing 32 ... 2nd terminal 40 ... Electric wire 50 ... Shield member 53 ... Peripheral part 60 ... 1st DESCRIPTION OF SYMBOLS 1 Bracket 61 ... 1st upper side bracket 62 ... 1st lower side bracket 64 ... 1st shield member connection part 65 ... 1st case connection part 71 ... 2nd upper side bracket 72 ... 2nd lower side bracket 74 ... 2nd shield member connection Part 76 ... Second case connection part 76A ... Detachment prevention piece 76B ...
- First positioning piece 76C ... Second positioning piece 77 ... First shaft hole 78 ... Second shaft hole 79A ... Lateral introduction hole 79B ... Vertical introduction hole 90 ... Metal Plate (mounting plate) 91 ... Bolt 91B ... Shaft 92B ... Notch (Positioning receiving part)
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Abstract
Description
導電性の金属板からなり、シールド部材に接続される第1シールド部材接続部を有しかつ第1の機器の外面を構成する第1のケースに接続される第1ケース接続部を有する第1ブラケットを備え、第1ケース接続部を第1のケースにボルト締結することでシールド部材が第1ブラケットを介して第1のケースに接続される構成としてもよい。
このような構成によると、予めシールド部材に第1シールド部材接続部を接続し、第1ケース接続部を第1のケースにボルト締結すればよいため、シート状をなすシールド部材の接続作業が容易になる。これにより、シールド部材を第1のケースに直接接続する等の煩雑な作業が不要になる。
このような構成によると、シート状のシールド部材を筒状に構成して電線を覆う作業が容易になる。
このような構成によると、シート状のシールド部材を電線に巻き付ける作業が容易になる。また、シールド部材によるシールド性能を高めることができる。
このような構成によると、第1のケースに対するボルト締結作業が少なくなるため、第1ブラケットをケースに接続する作業が容易になる。
このような構成によると、ボルトの軸部を導入孔から導入することにより第1軸孔に対して軸部の径方向から配設することができるため、電線を配設した後、第2上側ブラケットを後付けで装着することができる。
このような構成によると、一方の第2ケース接続部の第1軸孔を中心として他方の第2ケース接続部を回動させるという簡単な作業で第2上側ブラケットの装着が可能になるため、電線によって第2上側ブラケットが見えにくい環境下でも第2上側ブラケットをボルトの軸部に確実に装着することができる。
このような構成によると、第2上側ブラケットに第2下側ブラケットを装着した状態では、離脱防止片によって第2上側ブラケットが離脱することを防止できる。
このような構成によると、位置決め片を位置決め受け部に係止させることによって第2下側ブラケットを位置決めすることができる。
実施形態を図1ないし図20の図面を参照しながら説明する。本実施形態のワイヤハーネス10は、モータ(本発明の「第1の機器」の一例であって図示はしない)と、インバータ(本発明の「第2の機器」の一例であって図示はしない)との間を接続するパワーケーブルである。インバータは、モータに直結されており、インバータのケースに取り付けられたインバータ側端子台(図示せず)とモータのケースに取り付けられたモータ側端子台(図示せず)とが極めて近い距離で配置されている。ワイヤハーネス10の一端には、第1シールドコネクタ20が設けられ、ワイヤハーネス10の他端には、第2シールドコネクタ30が設けられている。第1シールドコネクタ20はモータ側端子台に嵌合して接続され、第2シールドコネクタ30はインバータ側端子台に嵌合して接続されるようになっている。
このような構成によると、一方の第2ケース接続部76の第1軸孔77を中心として他方の第2ケース接続部76を回動させるという簡単な作業で第2上側ブラケット71の装着が可能になるため、電線40によって第2上側ブラケット71が見えにくい環境下でも第2上側ブラケット71をボルト91の軸部91Bに確実に装着することができる。
このような構成によると、第2上側ブラケット71に第2下側ブラケット72を装着した状態では、離脱防止片76Aによって第2上側ブラケット71が離脱することを防止できる。
このような構成によると、第2位置決め片76Cを切欠部92Bに係止させることによって第2下側ブラケット72を位置決めすることができる。
次に、本発明の変形例を図21ないし図23の図面を参照しながら説明する。本変形例は、実施形態の圧着機100の構成を一部変更した圧着機101を用いて第1ブラケット60を圧着したものである。なお、図示はしていないものの、第2ブラケット70についても圧着機101によって圧着してもよい。
本明細書によって開示される技術は上記記述及び図面によって説明した実施形態に限定されるものではなく、例えば次のような実施形態も含まれる。
(1)上記実施形態ではシールド部材50がブラケットを介してケースに接続されているものの、シールド部材50をケースに直接接続してもよい。
20…第1シールドコネクタ
21…第1ハウジング
22…第1端子
30…第2シールドコネクタ
31…第2ハウジング
32…第2端子
40…電線
50…シールド部材
53…周縁部
60…第1ブラケット
61…第1上側ブラケット
62…第1下側ブラケット
64…第1シールド部材接続部
65…第1ケース接続部
71…第2上側ブラケット
72…第2下側ブラケット
74…第2シールド部材接続部
76…第2ケース接続部
76A…離脱防止片
76B…第1位置決め片
76C…第2位置決め片
77…第1軸孔
78…第2軸孔
79A…横導入孔
79B…縦導入孔
90…金属プレート(取付プレート)
91…ボルト
91B…軸部
92B…切欠部(位置決め受け部)
Claims (10)
- 第1の機器と第2の機器とを接続するワイヤハーネスであって、
前記第1の機器に接続される第1シールドコネクタと、
前記第2の機器に接続される第2シールドコネクタと、
前記第1シールドコネクタと前記第2シールドコネクタの間に配設された電線と、
導電性の金属布からなるシールド部材とを備え、
前記電線が前記第1シールドコネクタと前記第2シールドコネクタとの間に配設された後に、シート状をなす前記シールド部材が前記電線に被せられることで前記第1の機器と前記第2の機器との間がシールドされているワイヤハーネス。 - 導電性の金属板からなり、前記シールド部材に接続される第1シールド部材接続部を有しかつ前記第1の機器の外面を構成する第1のケースに接続される第1ケース接続部を有する第1ブラケットを備え、
前記第1ケース接続部を前記第1のケースにボルト締結することで前記シールド部材が前記第1ブラケットを介して前記第1のケースに接続される請求項1に記載のワイヤハーネス。 - 一対の前記第1ブラケットが備えられ、前記シールド部材の周縁部において一対の前記第1シールド部材接続部が並ぶように接続された後、前記一対の第1ブラケットの間で前記シールド部材を折り曲げて前記一対の第1ブラケットを互いに組み付ける請求項2に記載のワイヤハーネス。
- 前記一対の第1ブラケットを互いに組み付けた状態では、前記一対の第1シールド部材接続部が対向状態で配置され、前記シールド部材が全周に亘って前記電線を囲う請求項3に記載のワイヤハーネス。
- 前記一対の第1ブラケットを互いに組み付けた状態では、前記一対の第1ケース接続部が重ね合わされた状態で前記第1のケースに共締めされている請求項3または請求項4に記載のワイヤハーネス。
- 前記第1シールドコネクタは、樹脂製の第1ハウジングと、前記電線の一端部に接続され、前記第1ハウジングと一体に成形された第1端子とを備えて構成され、
前記第2シールドコネクタは、樹脂製の第2ハウジングと、前記電線の他端部に接続され、前記第2ハウジングと一体に成形された第2端子とを備えて構成されている請求項1ないし請求項5のいずれか一項に記載のワイヤハーネス。 - 前記シールド部材に接続される第2シールド部材接続部を有しかつ前記第2の機器の外面を構成する第2のケースに接続される第2ケース接続部を有する第2上側ブラケットおよび第2下側ブラケットを備え、
前記第2上側ブラケットの前記第2ケース接続部は、ボルトの軸部が配設される第1軸孔と、この第1軸孔に対し前記軸部の径方向から前記軸部を導入する導入孔とを備え、前記第2下側ブラケットの前記第2ケース接続部は、前記軸部を前記軸部の軸方向から挿通させる第2軸孔を備えている請求項1ないし請求項6のいずれか一項に記載のワイヤハーネス。 - 前記第2上側ブラケットの両端に前記第2ケース接続部がそれぞれ備えられ、一方の前記第2ケース接続部の前記導入孔における前記軸部の導入方向と、他方の前記第2ケース接続部の前記導入孔における前記軸部の導入方向とは交差する配置とされており、他方の前記第2ケース接続部の前記導入孔には、一方の前記第2ケース接続部の前記第1軸孔に前記軸部が配設された状態で同第1軸孔を中心として他方の前記第2ケース接続部を回動させた際に、前記軸部が進入可能とされている請求項7に記載のワイヤハーネス。
- 前記第2下側ブラケットの前記第2ケース接続部は、前記第2上側ブラケットが離脱することを防止する離脱防止片を備えている請求項7または請求項8に記載のワイヤハーネス。
- 前記第2上側ブラケットおよび前記第2下側ブラケットを前記第2のケースに取り付けるための取付プレートを備え、
前記第2下側ブラケットの前記第2ケース接続部は、前記第2下側ブラケットの位置決めを行う位置決め片を備え、前記取付プレートは、前記位置決め片と係止する位置決め受け部を備えている請求項7ないし請求項9のいずれか一項に記載のワイヤハーネス。
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JP2015547726A JP6108189B2 (ja) | 2013-11-12 | 2014-10-30 | ワイヤハーネス |
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- 2014-10-30 JP JP2015547726A patent/JP6108189B2/ja active Active
- 2014-10-30 CN CN201480061946.7A patent/CN105723574B/zh active Active
- 2014-10-30 US US15/030,614 patent/US9674994B2/en active Active
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CN108140994A (zh) * | 2015-10-28 | 2018-06-08 | 住友电装株式会社 | 屏蔽连接器 |
CN108140994B (zh) * | 2015-10-28 | 2020-02-07 | 住友电装株式会社 | 屏蔽连接器 |
JP2017084604A (ja) * | 2015-10-28 | 2017-05-18 | 住友電装株式会社 | シールドコネクタ |
WO2017073354A1 (ja) * | 2015-10-28 | 2017-05-04 | 住友電装株式会社 | シールドコネクタ |
US10305226B2 (en) | 2015-10-28 | 2019-05-28 | Sumitomo Wiring Systems, Ltd. | Shield connector |
JP2017091607A (ja) * | 2015-11-02 | 2017-05-25 | 住友電装株式会社 | シールドコネクタ |
WO2017077843A1 (ja) * | 2015-11-02 | 2017-05-11 | 住友電装株式会社 | シールドコネクタ |
WO2017135114A1 (ja) * | 2016-02-04 | 2017-08-10 | 住友電装株式会社 | ブラケット取付治具及びブラケット付金属布の製造方法 |
WO2022092078A1 (ja) * | 2020-10-28 | 2022-05-05 | 住友電装株式会社 | コネクタ |
WO2022138597A1 (ja) * | 2020-12-22 | 2022-06-30 | 住友電装株式会社 | ワイヤハーネス |
JP7505396B2 (ja) | 2020-12-22 | 2024-06-25 | 住友電装株式会社 | ワイヤハーネス |
WO2023218972A1 (ja) * | 2022-05-09 | 2023-11-16 | 住友電装株式会社 | 端子台アッセンブリ |
US20240128594A1 (en) * | 2022-10-12 | 2024-04-18 | Lunar Energy, Inc. | Wiring harness for energy storage system |
Also Published As
Publication number | Publication date |
---|---|
CN105723574B (zh) | 2017-12-15 |
JPWO2015072335A1 (ja) | 2017-03-16 |
CN105723574A (zh) | 2016-06-29 |
JP6108189B2 (ja) | 2017-04-05 |
US9674994B2 (en) | 2017-06-06 |
US20160255750A1 (en) | 2016-09-01 |
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