WO2012128381A1 - Procédé et dispositif pour contrôler la conduction d'un fil électrique guipé - Google Patents

Procédé et dispositif pour contrôler la conduction d'un fil électrique guipé Download PDF

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Publication number
WO2012128381A1
WO2012128381A1 PCT/JP2012/057674 JP2012057674W WO2012128381A1 WO 2012128381 A1 WO2012128381 A1 WO 2012128381A1 JP 2012057674 W JP2012057674 W JP 2012057674W WO 2012128381 A1 WO2012128381 A1 WO 2012128381A1
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WO
WIPO (PCT)
Prior art keywords
wire
covered electric
electric wires
electric wire
conduction
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/JP2012/057674
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English (en)
Inventor
Toshiaki Okabe
Takahiro Hori
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Yazaki Corp
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Yazaki Corp
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Filing date
Publication date
Application filed by Yazaki Corp filed Critical Yazaki Corp
Publication of WO2012128381A1 publication Critical patent/WO2012128381A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
    • B23D29/00—Hand-held metal-shearing or metal-cutting devices
    • B23D29/02—Hand-operated metal-shearing devices
    • B23D29/023—Hand-operated metal-shearing devices for cutting wires
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
    • G01R31/52—Testing for short-circuits, leakage current or ground faults
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
    • G01R31/54—Testing for continuity
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
    • G01R31/58—Testing of lines, cables or conductors

Definitions

  • the present invention relates to conduction inspection of electric wires of an indoor illuminating device for vehicles, particularly to
  • FIG. 6 A is a perspective view of a connector described in Patent Literature 1
  • Fig. 6B is a cross-sectional view taken along a line VIB-VIB of Fig. 6A.
  • a connector A includes a press-contact cover B.
  • An electric wire Wl and a contact C are connected with pressure by the press-contact cover B, and thus the electric connection of the electric wire Wl and the contact C are performed.
  • Patent Literature 1 ⁇ Problems in Patent Literature 1>
  • the press-contact cover which holds a plurality of electric wires is pressed into press-contact slots of respective contacts at the side of a housing by directly pushing the press-contact cover to the housing. It is effective when there are a small number of electric wires to be pressed and connected. But when there are a large number of electric wires, a big operation force is necessary, and there is a problem that the press-contact work cannot be done without using an exclusive
  • Patent Literature 2 solves these problems. According to Patent Literature 2, an exclusive press-contact jig and time-consuming terminal processing are unnecessary for the manufacture of a wire harness, and the cost of manufacturing the wire harness can be reduced. The quality would not drop due to damage of the terminals when the wire harness is wired, and a connector that improves its reliability is provided.
  • Fig. 7 is a perspective view of a housing including a holder receiving part according to Patent Literature 2.
  • a condition is shown where a wire holder including the holder receiving part is inserted perpendicularly and an attaching shaft of the wire holder is engaged with a holder shaft supporting part of the holder receiving part.
  • an indoor illuminating device 100 for vehicles includes a housing 400, and a first connector 430 is provided in the rear-side 400R of the housing 400. The first connector 430 is fixed to a bus bar 500 and a plurality of
  • press-contact blades 510 are arranged.
  • a second connector 600 which clamps electric wires W2 with a holder 610 and a cover 620 rotates around a rotating shaft 600S and contacts the first connector 430.
  • the plurality of press-contact blades 510 cut into and electrically connect with the corresponding electric wires W2, respectively, by making the second connector 600 to be fitted with the first connector 430.
  • FIG. 8 is an exploded perspective view which shows the indoor illuminating device for vehicles to which the present invention should be applied.
  • an indoor illuminating device 10 for vehicles is attached to a partition board (ceiling board) which partitions compartments of a vehicle, and generally includes a roughly rectangular lens 20, a lengthwise switch knob 30, a roughly rectangular housing 40 and a bus bar 50.
  • a bulb container 41 is formed at a front side 40F of the housing 40.
  • a bulb 4 IB which is a light source is assembled in the central part of the bulb container 41.
  • a switch container 42 is provided at a side part of the housing 40. The switch knob 30 is assembled to be slidable from the front side 40F.
  • a first connector 43 is provided at one side of the housing 40 by protruding from the side of the housing 40.
  • a second connector 60 (see Fig. 9A) to which electric wires (or wire harness) W are fixed is engaged with the first connector 43.
  • a metal clip 44 (see Fig. 8) used to attach the indoor illuminating device 10 for vehicles to the indoor partition board of the vehicle is fixed the other side of the housing 40 opposite to the first connector 43.
  • a switch 42R (see Fig. 9A) in conjunction with the switch knob 30 is assembled into the switch container 42 from the back side 40R.
  • a bus bar 50 (see Fig. 8) which is a circuit to connect the switch 42R or the bulb 41B electrically is assembled and fixed to the back side 40R of the housing 40.
  • a plurality of press-contact blades 51 (see Fig. 8) are individually placed in parallel in the lengthwise direction at one end of the bus bar 50. The press-contact blades 51 are attached and fixed into the first connector 43.
  • Figs. 9A to 9C show states in which the second connector inside which conductive components are not provided is attached to the indoor illuminating device for vehicles of Fig. 8, in which Fig. 9Ais a back side perspective view which shows a state before the connector is attached, Fig. 9B is a plan view which is seen from the back side which shows a state after the attachment is completed, and Fig. 9C is a cross -sectional view taken along a line IXC-IXC of Fig. 9B.
  • the second connector 60 to which the electric wires W are fixed is fitted with the first connector 43.
  • the switch 42R and the bus bar 50 are fixed to the back side 40R of the housing 40, and the press-contact blades 51 (see Fig. 8) of the bus bar 50 are fixed to the first connector 43 (see Fig. 9C).
  • press-contact blades 51 cuts into the covering resin layers of the electric wires W, and, as shown in Fig. 9C, the electric wires W and the
  • press-contact blades 51 are connected electrically. In this way, the attachment of the indoor illuminating device 10 for vehicles is completed.
  • Figs. lOA to IOC are diagrams which show attachment states of the bus bar and metal fittings of the indoor illuminating device for vehicles, in which, Fig. 10 A is a back side perspective view which shows a state before the attachment, Fig. 10B is a back side perspective view which shows a state after the attachment is completed, and Fig. IOC is an enlarged view of a part XC of Fig. 10B.
  • the metal clip 44 is engaged with and fixed to an engaging slot 44R (see Fig. lOA) which is provided on the side of the housing 40 opposite to the first connector 43 (see Fig. 9A).
  • the bus bar 50 is mounted and fixed to the whole of the back side 40R of the housing 40. After the bus bar 50 is provisionally fixed to a plurality of projections 40T (see Fig. IOC) which are formed on the back side 40R, the bus bar 50 is fixed to the back side 40R with a heat welding method for melting the front ends of the projections 40T.
  • Figs. 11A to llC are diagrams which show attachment states of the switch of the indoor illuminating device for vehicles, in which, Fig. 11 A is a back side perspective view which shows a state before the attachment of the switch, Fig. 11B is a back side right perspective view which shows a state after the attachment is completed, and Fig. 11C is a back side left
  • FIG. 1 perspective view which shows the state after the attachment is completed.
  • the switch 42R is attached and fixed from the back side 40R of the housing 40 into the switch container 42 which is provided in the housing 40.
  • Figs. 12 A and 12B are diagrams which show attachment states of the switch knob of the indoor illuminating device for vehicles, in which Fig. 12 A is a front perspective view which shows a state before the attachment of the switch knob, and Fig. 12B is a front perspective view which shows a state after the attachment is completed.
  • the switch knob 30 is mounted from the front side 40F of the housing 40 slidably in the switch container 42 to cover the inside of the switch container 42 and to be able to link with the switch 42R.
  • Figs. 13A and 13B are diagrams which show attachment states of the bulb of the indoor illuminating device for vehicles, in which Fig. 13Ais a front perspective view which shows a state before the attachment of the bulb, and Fig. 13B is a front perspective view which shows a state after the attachment is completed.
  • the bulb 4 IB is mounted from the front side 40F of the housing 40 into the roughly central part of the bulb container 41, and is electrically connected to the bus bar 50.
  • Figs. 14A and 14B are diagrams which show attachment states of the lens of the indoor illuminating device for vehicles, in which Fig. 14Ais a front perspective view which shows a state before the attachment of the lens, and Fig. 14B is a front perspective view which shows a state after the attachment is completed.
  • the lens 20 is attached from the front side 40F of the housing 40 to the housing 40 to cover the housing 40, and to make a plurality of engaging plates 20S formed at two end sides of the lens 20 to be engaged with engagement projections 40S formed at two end sides of the housing 40.
  • an opening part 21 which is provided at the lens 20 contacts peripherally with the sides of the switch knob 30.
  • Figs. 15A to 15C are diagrams which show the electric wire installing method for mstalling electric wires to a connector which is to be assembled to the indoor illuminating device for vehicles of Fig. 8 with the jig for wiring electric wires, in which Fig. 15Ais a perspective view before the connector is assembled, Fig. 15B is a perspective view which shows that the connector is provisionally fixed onto the jig, and Fig. 15C is a perspective view before electric wires are attached to the connector.
  • the second connector 60 includes a holder 61 and a cover 62 which is connected to an end of the holder 61 with a hinge.
  • the holder 61 is provided with a plurality of slots 63 for receiving the electric wires W.
  • a pedestal 71 for the second connector which carries the holder 61 and the cover 62 of the second connector 60, respectively, is provided near one edge on a center line of the jig 70.
  • the pedestal 71 for the second connector includes a pedestal 71A which is a pedestal for the holder 61, and a pedestal 71B which is a pedestal for the cover 62.
  • a positioning projection 71T for holders is provided to project upwards from the pedestal 71 A for the holder.
  • pins 72A and pins 72B are further provided to stand on the jig 70 for wiring electric wires.
  • Two positioning pins 72 A for the third connector which are used to position the third connector 80 are provided at the other edge of the jig 70 for wiring, side by side with an interval corresponding to the width of the electric wires.
  • Aplurality (four in Fig. 15C, for instance) of positioning pins 72B for electric wires which are used to position electric wires are provided near the four corners of the jig 70 for wiring, respectively.
  • Aplurality (three, in Fig. 15C, for instance) of electric wires W extend one on another in a horizontal direction from the third connector which is fixed with the positioning pins 72 A for the third connector, respectively.
  • the electric wires W can be led around the four corners of the jig 70 for wiring by being guided along the sides the positioning pins 72B for electric wires and making 90 degrees turns.
  • Figs. 16A to 16C show the electric wire installing method for installing electric wires to the second connector which is to be attached to the indoor illuminating device for vehicles, in which, Fig. 16Ais a perspective view which show a state just before the electric wires are assembled into the second connector, Fig. 16B a perspective view which shows that the temporary fixation of the electric wires is completed, and Fig. 16C is a perspective view which shows a state in which the attachment of the second connector is completed.
  • the holder 61 of the second connector 60 is brought to be right above the positioning projection 7 IT for holders (see Fig. 15A).
  • the holder 61 is moved downwards in the direction of the white arrow of Fig. 15A, and is inserted onto the positioning projection 7 IT for holders.
  • the second connector 60 is provisionally fixed onto the pedestal
  • the third connector 80 with a plurality of electric wires W is brought above the jig 70 for wiring electric wires. At this time, the third connector 80 is brought right above a pair of the positioning pins 72A and
  • the electric wires W are respectively inserted into the plurality of slots 63 of the holder 61 which is provisionally fixed to the pedestal 71A for holders.
  • the electric wires W are guided sequentially along the sides of the remaining two positioning pins 72B and 72B for electric wires, respectively, and the direction of the electric wires W is changed so that the electric wires W are brought outside from the other side of the jig 70 for wiring electric wires (see Fig. 16A).
  • the cover 62 is made to cover the holder 61 by being turned down with the hinge part so that the electric wires W are clamped with the holder 61 and the cover 62, and the electric wires W are fixed in the second connector 60.
  • the looseness of the electric wires W can be relieved by using the jig
  • Patent Literature l JP A-2006- 147273
  • the present invention is to solve the above problem, and an object of the invention is to provide a conduction inspecting method for inspecting the conduction of electric wires which are provided in a connector in which there is not a conductive component and a conduction inspecting device for that purpose.
  • a method for inspecting conduction of a covered electric wire including: connecting a conductive wire-cutting blade to an end of a power source through an electric wire; connecting a core wire of one end of the covered electric wire to another end of the power source; and causing the wire-cutting blade to contact with the core wire of the covered electric wire in a middle of cutting the other end of the covered electric wire with the wire-cutting blade to inspect the conduction of the covered electric wire.
  • a method for automatically producing a covered electric wire provided with a connector including: measuring and sending out by a roller the covered electric wire which is supplied from an electric wire supply part; disconnecting the covered electric wire with a
  • a conduction inspecting and electric wire cutting device including: a movable part; and a fixed part which is arranged below the movable part, wherein the movable part includes a plurality of conductive wire-cutting blades which are directed toward the fixed part and staggered back and forth in a lengthwise direction of a plurahty of covered electric wires, and conductive metals which are respectively connected to the plurality of wire-cutting blades and extend to a side surface of the movable part, the fixed part includes a driving device that drives the plurality of wire-cutting blades, a plurality of blade -insertion holes formed on a side of the movable part to insert the plurality of wire-cutting blades therein, respectively, and a plurahty of wire-insertion holes formed in a side surface of the fixed part to insert the plurahty of covered electric wires, respectively and extend to positions beyond corresponding positions where the plurahty of wire-cutting blades drop, and the driving
  • a method for automatically producing a covered electric wire provided with a connector including- ' disconnecting an end of a wire harness in which the plurahty of covered electric wires are arranged in parallel to each other; attaching a wire holder in a vicinity of the end of the wire harness; and inserting the plurahty of covered electric wires at the end of the wire harness in the plurahty of wire -insertion holes of the conduction inspecting and electric wire cutting device as defined in (6) to perform inspecting the conduction, and then, disconnecting the plurality of covered electric wires at the end of the wire harness with the plurality of
  • the conduction inspection and the manufacture of the electric wires with the wire holder are easily performed by cutting the other ends of the covered electric wires.
  • the conduction inspection of the covered electric wire which is to be provided in the connector in which there is not a conductive component can be easily performed by the conduction inspecting and electric wire cutting device, and when the wire-cutting blade contacts with the core wire of the covered electric wire, it is possible to have enough time to carefully confirm the conduction since the drop of the wire-cutting blade is stopped.
  • the covered electric wires which are attached to the connector can be automatically manufactured.
  • Figs. 1A and IB are diagrams which schematically describe a conduction inspecting and electric wire cutting device according to an embodiment of the present invention, in which Fig. lAis a perspective view, and Fig. IB is a diagram of a movable part of the conduction inspecting and electric wire cutting device of Fig. 1 A viewed from below.
  • Fig. 2 is a diagram of an overall conduction inspecting system which inspects the conduction of the covered electric wires using the conduction inspecting and electric wire cutting device of Fig. 1.
  • Fig. 3 is schematic diagrams which show conduction inspecting procedures of the conduction inspecting system of Fig. 2, in which (l) to (5) show the order of the inspecting procedures.
  • Fig. 4 is sectional views which describe actions of a covered wire-cutting blade of the conduction inspecting and electric wire cutting device according to the embodiment of the present invention, which are performed in the order of (l) to (3).
  • Fig. 5 is a flow chart of actions of the conduction inspecting and electric wire cutting device according to the embodiment of the present invention.
  • Figs. 6A and 6B show a conventional connector, in which Fig. 6Ais a perspective view, and Fig. 6B is a cross -sectional view taken along a line VIB VIB of Fig. 6A.
  • Fig. 7 is a back side perspective view of an indoor illuminating device for vehicles to which the present invention is applied.
  • Fig. 8 is an exploded perspective view which shows the indoor illuminating device for vehicles to which the present invention is applied.
  • Figs. 9 A, 9B and 9C show states in which a second connector inside which conductive components are not provided is attached to the indoor illuminating device for vehicles of Fig. 8, in which Fig. 9 A is a back side perspective view which shows a state before the second connector is attached, Fig. 9B is a plan view which is seen from the back side which shows a state after the attachment is completed, and Fig. 9C is a
  • Figs. 10A, 10B and IOC are diagrams which show attachment states of a bus bar and metal fittings of the indoor illuminating device for vehicles, in which, Fig. lOAis a back side perspective view which shows a state before the attachment of the bus bar and the metal fittings, Fig. 10B is a back side perspective view which shows a state after the attachment is completed, and Fig. IOC is an enlarged view of a part XC of Fig. 10B.
  • Figs. 11 A, 11B and 11C are diagrams which show attachment states of a switch of the indoor illuminating device for vehicles, in which, Fig. 11A is a back side perspective view which shows a state before the attachment, Fig. 11B is a back side right perspective view which shows a state after the attachment is completed, and Fig. 11C is a back side left perspective view which shows the state after the attachment is completed.
  • Figs. 12A and 12B are diagrams which show attachment states of a switch knob of the indoor illuminating device for vehicles, in which Fig. 12A is a front perspective view which shows a state before the attachment of the switch knob, and Fig. 12B is a front perspective view which shows a state after the attachment is completed.
  • Figs. 13A and 13B are diagrams which show attachment states of a bulb of the indoor illuminating device for vehicles, in which Fig. 13Ais a front perspective view which shows a state before the attachment of the bulb, and Fig. 13B is a front perspective view which shows a state after the attachment is completed.
  • Figs. 14A and 14B are diagrams which show attachment states of a lens of the indoor illuminating device for vehicles, in which Fig. 14Ais a front perspective view which shows a state before the attachment of the lens, and Fig. 14B is a front perspective view which shows a state after the attachment is completed.
  • Figs. 15 A, 15B and 15C are diagrams which show an electric wire installing method for mstalling electric wires to a connector which is to be assembled to the indoor illuminating device for vehicles of Fig. 8 with a jig for wiring electric wires, in which Fig. 15Ais a perspective view before a connector is assembled, Fig. 15B is a perspective view which shows that the connector is provisionally fixed onto the jig, and Fig. 15C is a perspective view before electric wires are attached to the connector.
  • Figs. 16A, 16B and 16C shows the electric wire installing method for installing electric wires to a second connector which is to be attached to the indoor illuminating device for vehicles, in which, Fig.
  • FIG. 16A is a perspective view which show a state just before the electric wires are assembled into the second connector
  • Fig. 16B a perspective view which shows that the temporary fixation of the electric wires is completed
  • Fig. 16C is a perspective view which shows a state in which the attachment of the second connector is completed.
  • Figs. 17A and 17B are diagrams which show the attachment of the second connector to the indoor illuminating device for vehicles, in which, Fig. 17Ais a back side perspective view which shows a state before attachment, and Fig. 17B is a back side perspective view which shows a state after the attachment is completed. Description of Embodiments
  • Figs. 1A and IB are diagrams which schematically describe a conduction inspecting and electric wire cutting device according to an embodiment of the present invention, in which Fig. lAis a perspective view, and Fig. IB is a diagram of a movable part of the conduction inspecting and electric wire cutting device of Fig. 1A viewed from below.
  • a conduction inspecting and electric wire cutting device 1 according to the embodiment of the present invention is divided into a movable part 2 and a fixed part 3. The movable part 2 and the fixed part 3 are described below.
  • the movable part 2 can be moved up and down right above the fixed part 3 by a driving device not shown in the diagram to control drive (moving up and down) action of a wire-cutting blade, and includes a plurality of wire-cutting blades 2M (Ml, M2 and M3) which are directed downwards to the fixed part 3.
  • a driving device not shown in the diagram to control drive (moving up and down) action of a wire-cutting blade, and includes a plurality of wire-cutting blades 2M (Ml, M2 and M3) which are directed downwards to the fixed part 3.
  • Fig. 1A three wire-cutting blades Ml to M3 are disposed to be in parallel with each other and staggered back and forth as shown in Fig. IB in the lengthwise direction of the electric wires.
  • Each of the wire-cutting blades Ml to M3 is made of a conductive material.
  • Conductive metals 2D (dotted line portions of Fig. l) which are connected to these wire-cutting blades Ml to M3 extend to the end surface of the movable part 2 at the side of a power source, respectively.
  • the conductive metals 2D are connected to electric wires 6 (see Fig. 2) at the end surface at the side of the power source, respectively, and the other ends of the electric wires 6 are connected to a power source 4 (see Fig. 2), respectively.
  • meters (ammeter) 5 may be provided in the middle of the electric wires 6 as shown in Fig. 2, respectively, and also may be provided in the movable part 2.
  • Through holes 2L through which guide bars 3G of the fixed part 3 penetrate are formed in the four corners of the movable part 2.
  • the guide bars 3G which make the movable part 2 move up and down are provided to stand on the four corners of the fixed part 3, so that the through holes 2L (see Fig. 2) of the movable part 2 can penetrate through the guide bars 3G, respectively.
  • blade-insertion holes 3M in which the plurality of wire -cutting blades 2M of the movable part 2 are inserted are formed at positions corresponding to the wire-cutting blades 2M.
  • wire insertion holes 3L in which the front ends of covered electric wires W which are inspection objects are inserted are formed at the side of the fixed part 3, and the bottoms of the wire -insertion holes 3L extend to positions beyond the positions where the wire-cutting blades 2M of the movable part 2 drop. Therefore, the covered electric wires W which are inserted until the bottoms of the wire -insertion holes 3L, can be disconnected by the wire-cutting blades 2M that drop.
  • the above wire -insertion holes 3L may have the above depth, but it is also possible that the above wire -insertion holes 3L penetrate through the fixed part 3.
  • the fixed part 3 is divided into two parts (upper and lower parts) on the plane which the center line of the
  • wire -insertion holes 3L passes, and the two parts are connected through a hinge.
  • the upper fixed part can be opened and closed relative to the lower fixed part by an opening and closing device.
  • the manufacturing process is automatically laid on the wire -insertion holes of the lower fixed part which are open, the upper fixed part is made to cover the lower fixed part by the opening and closing device.
  • the conduction inspection is made by the conduction inspecting and electric wire cutting device, the electric wires are disconnected.
  • the covered electric wires which are attached to the connector can be automatically manufactured. This will be described below.
  • Fig. 2 is a diagram of an overall conduction inspecting system which inspects the conduction of the covered electric wires W using the conduction inspecting and electric wire cutting device 1 of Fig. 1A.
  • the wire-cutting blades Ml to M3 (see Figs. lA and IB) of the movable part 2 of the conduction inspecting and electric wire cutting device 1 and one end of the power source 4 are connected with the electric wires 6 through the meters (ammeter) 5, respectively.
  • the covered electric wires Wl, W2 and W3 which are inspection objects are connected to the other end of the power source 4 through the third connector 80 (referring to Fig. 16C), respectively.
  • the back ends WS of the covered electric wires W are inserted into the wire-insertion holes 3L (see Fig. lA) of the fixed part 3 of the conduction inspecting and electric wire cutting device 1, as each of the covered electric wires passes through the second connector 60 (referring to Fig. 16C) formed by the jig 70 for wiring electric wires as described in Figs. 15A to 15C and Figs. 16A to 16C.
  • Fig. 2 shows a state right before the back ends of the covered electric wires W are inserted into the wire-insertion holes 3L of the fixed part 3 of the conduction inspecting and electric wire cutting device 1.
  • Fig. 3 is schematic diagrams which show the conduction inspecting procedures of the conduction inspecting system of Fig. 2, and in particular, (l) in Fig. 3 shows a schematic perspective view of the conduction inspecting system of Fig. 2, and (2) to (5) in Fig. 3 show procedures that follow (l) in Fig. 3, in which the meter circuits shown in (l) in Fig. 3 are omitted.
  • Fig. 4 is sectional views which describe actions of the covered wire-cutting blade to cut the covered electric wire inside the conduction inspecting and electric wire cutting device, in which (A)(l) is a sectional view before the cutting (viewed in the direction of IVAI-IVAI arrows of (2) in Fig. 3), (A)(2) is a sectional view in the middle of the cutting (viewed in the direction of IVAII-IVAII arrows of (3) in Fig. 3), and (A)(3) is a sectional view after the cutting is completed (viewed in the direction of IVAIII-IVAIII arrows of (4) in Fig. 3).
  • Fig. 5 is a flow chart of the above procedures.
  • the wire-cutting blade Ml is before the plane of the paper, and the wire-cutting blade M3 is adversely behind the plane of the paper.
  • the actions of the wire-cutting blade M2 are described, but the actions of the wire-cutting blade Ml and the wire-cutting blade M3 are performed in the same way as the actions of the wire-cutting blade M2.
  • step S 1 of Fig. 5 the wire-cutting blade M2 is set on the covered electric wire W2 and waits.
  • the wire-cutting blade M2 drops downwards, cuts the insulative coating of the covered electric wire W2 and further drops until the wire-cutting blade B2 contacts with a core wire C.
  • the dropping action is stopped (or
  • FIG. 4 is an enlarged view around the wire-cutting blade M2 of (A)(2) in Fig. 4. It is found from (B) of Fig. 4 that the wire-cutting blade M2 cuts into half of the core wire C of the covered electric wire W2. When the wire-cutting blade M2 cuts into the core wire C in this way, if there is not a non -conductive part (or disconnection) somewhere in the core wire C of the covered electric wire W2, because the conduction inspecting circuit of the conduction inspecting system of Fig. 2 forms an electrically closed circuit, a pointer of the meter (ammeter) 5 would oscillate.
  • a conduction inspection is performed.
  • the conduction inspection is passed when it is confirmed that each of the pointers of the meters 5 oscillates.
  • the conduction inspection is passed if the light emitting diodes emit light.
  • the conduction inspecting circuit of the conduction inspecting system of Fig. 2 does not form an electrically closed circuit. Therefore, the drive circuit makes the wire-cutting blade M2 drop to the bottom without stopping the dropping action of the wire-cutting blade M2, and the back end of the covered electric wire W2 is disconnected.
  • a terminal process is performed by bundling up the back ends of the covered electric wires Wl', W2' and W3' (Fig. 17A) and repeating wmding with insulating tapes to the covered electric wires Wl, W2 and W3 derived from the second connector 60 at the other side.
  • the back ends of the covered electric wires Wl', W2' and W3 ' are bundled up, because the lengths are different, there is an effect that short-circuit among each other needs not to be concerned.
  • (l) covered electric wires which are supplied from an electric wire supply part are sent out by a roller after the length of the covered electric wires is measured by the roller.
  • the covered electric wires are disconnected with a predetermined length.
  • Terminals are attached to the ends of the disconnected covered electric wires and received in a connector housing.
  • the conduction of the covered electric wires is inspected using the conduction inspecting and electric wire cutting device according to the embodiment of the present invention.
  • the conduction inspection can be omitted after the product is completed because the conduction inspection is accomplished when the wire harness is produced.
  • JP-A-2008-39748 a manufacturing method of the wire harness, which is disclosed in JP-A-2008-39748, can be referred to.
  • the manufacturing device of wire harnesses includes an electric wire changing device, an automatic cutting device, a control unit, an automatic crimping device, a display terminal and a conduction inspecting device.
  • the control unit performs the overall controls, and the display terminal displays the contents of each step.
  • a reel on which desired electric wires are wound is taken out from a plurality of electric wire reels by the electric wire changing device, replacement is made, and the selected electric wires are supplied to the automatic cutting device.
  • Conduction inspection is performed by the conduction inspecting device using the two terminals of the crimped electric wire.
  • the operation time can be shortened.
  • the conduction inspecting and electric wire cutting device 1 according to the embodiment of the present invention could be used as the automatic cutting device of above (2).
  • the conduction inspection of (4) is performed using the two terminals of the electric wire which are crimped by the crimping device of (3), if the conduction inspection using the crimped terminals does not pass, the crimped terminals become wasted. According to the embodiment of the present invention, however, because the conduction inspection can be performed when the terminals are not crimped, it can be avoided that the terminal becomes wasted beforehand.
  • the conduction inspection of the covered electric wire which is provided in the connector in which there is not a conductive component is possible by making the wire-cutting blade of the conduction inspecting and electric wire cutting device cut into the core wire of the covered electric wire.
  • the plurality of wire-cutting blades are placed to be staggered with each other in the length direction of the covered electric wires. Even if the back ends of the covered electric wires are bundled up and wound with insulating tapes, short circuit among each other need not to be concerned because the lengths of the back ends of the covered electric wires are different from each other.
  • the conduction inspection and the manufacture of the electric wires with the wire holder are easily performed by cutting the other ends of the covered electric wires.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing Of Electrical Connectors (AREA)
  • Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)

Abstract

L'invention concerne un procédé et un dispositif pour contrôler la conduction d'un fil électrique guipé (W). Le procédé consiste à: raccorder une lame coupe-fil conducteur (Ml, M2, M3) à une extrémité d'une source d'alimentation (4) au moyen d'un fil électrique (6); raccorder un fil de noyau d'une extrémité du fil électrique guipé à une autre extrémité de la source d'alimentation; et amener la lame coupe-fil au contact du fil de noyau du fil électrique guipé au milieu de l'opération de coupe de l'autre extrémité du fil électrique guipé avec la lame coupe-fil afin de contrôler la conduction du fil électrique guipé.
PCT/JP2012/057674 2011-03-18 2012-03-16 Procédé et dispositif pour contrôler la conduction d'un fil électrique guipé Ceased WO2012128381A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2011060357A JP2012194154A (ja) 2011-03-18 2011-03-18 被覆電線の導通検査方法とその装置
JP2011-060357 2011-03-18

Publications (1)

Publication Number Publication Date
WO2012128381A1 true WO2012128381A1 (fr) 2012-09-27

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Application Number Title Priority Date Filing Date
PCT/JP2012/057674 Ceased WO2012128381A1 (fr) 2011-03-18 2012-03-16 Procédé et dispositif pour contrôler la conduction d'un fil électrique guipé

Country Status (2)

Country Link
JP (1) JP2012194154A (fr)
WO (1) WO2012128381A1 (fr)

Cited By (2)

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Publication number Priority date Publication date Assignee Title
CN112611919A (zh) * 2020-12-24 2021-04-06 南京茽鈤技术服务有限公司 一种新材料生产用导电性检测装置
CN116879102A (zh) * 2023-09-06 2023-10-13 江苏博朗森思医疗器械有限公司 一种切割吻合器检测装置

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101985495B1 (ko) * 2018-07-14 2019-07-03 (주)우진시스템 다채널 감지형 검전기

Citations (8)

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US4110880A (en) * 1977-02-25 1978-09-05 Amp Incorporated Cable harness assembly and electrical testing machine
US4160947A (en) * 1976-10-26 1979-07-10 Dainichi-Nippon Cables, Ltd. Apparatus and method for electrically testing multi-core cable
US4285118A (en) * 1977-02-25 1981-08-25 Amp Incorporated Cable harness assembly and electrical testing machine
US4870752A (en) * 1987-12-15 1989-10-03 Amp Incorporated Cable harness manufacturing and electrical testing system
JP2006147273A (ja) 2004-11-18 2006-06-08 Kel Corp 電線圧接型コネクタ
JP2008039748A (ja) 2006-08-10 2008-02-21 Hitachi Ltd 電線加工導通検査装置
JP2011060357A (ja) 2009-09-08 2011-03-24 Asahi Glass Co Ltd 光ヘッド装置
JP2011113802A (ja) 2009-11-26 2011-06-09 Yazaki Corp コネクタ及び車両におけるワイヤハーネス接続構造

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Publication number Priority date Publication date Assignee Title
US4160947A (en) * 1976-10-26 1979-07-10 Dainichi-Nippon Cables, Ltd. Apparatus and method for electrically testing multi-core cable
US4110880A (en) * 1977-02-25 1978-09-05 Amp Incorporated Cable harness assembly and electrical testing machine
US4285118A (en) * 1977-02-25 1981-08-25 Amp Incorporated Cable harness assembly and electrical testing machine
US4870752A (en) * 1987-12-15 1989-10-03 Amp Incorporated Cable harness manufacturing and electrical testing system
JP2006147273A (ja) 2004-11-18 2006-06-08 Kel Corp 電線圧接型コネクタ
JP2008039748A (ja) 2006-08-10 2008-02-21 Hitachi Ltd 電線加工導通検査装置
JP2011060357A (ja) 2009-09-08 2011-03-24 Asahi Glass Co Ltd 光ヘッド装置
JP2011113802A (ja) 2009-11-26 2011-06-09 Yazaki Corp コネクタ及び車両におけるワイヤハーネス接続構造

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112611919A (zh) * 2020-12-24 2021-04-06 南京茽鈤技术服务有限公司 一种新材料生产用导电性检测装置
CN112611919B (zh) * 2020-12-24 2024-01-26 深圳市绿星科技有限公司 一种新材料生产用导电性检测装置
CN116879102A (zh) * 2023-09-06 2023-10-13 江苏博朗森思医疗器械有限公司 一种切割吻合器检测装置
CN116879102B (zh) * 2023-09-06 2023-11-17 江苏博朗森思医疗器械有限公司 一种切割吻合器检测装置

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