EP4372930A1 - Connecteur avec une plaque de mise à la terre commune - Google Patents

Connecteur avec une plaque de mise à la terre commune Download PDF

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Publication number
EP4372930A1
EP4372930A1 EP22208445.1A EP22208445A EP4372930A1 EP 4372930 A1 EP4372930 A1 EP 4372930A1 EP 22208445 A EP22208445 A EP 22208445A EP 4372930 A1 EP4372930 A1 EP 4372930A1
Authority
EP
European Patent Office
Prior art keywords
cable
grounding
electrical connector
common
housing
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.)
Pending
Application number
EP22208445.1A
Other languages
German (de)
English (en)
Inventor
Fabrice DEMOMENT
Frederic Belliard
Philippe Gouband
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Aptiv Technologies Ltd
Original Assignee
Aptiv Technologies Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Aptiv Technologies Ltd filed Critical Aptiv Technologies Ltd
Priority to EP22208445.1A priority Critical patent/EP4372930A1/fr
Publication of EP4372930A1 publication Critical patent/EP4372930A1/fr
Pending legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding  
    • H01R13/658—High frequency shielding arrangements, e.g. against EMI [Electro-Magnetic Interference] or EMP [Electro-Magnetic Pulse]
    • H01R13/6591—Specific features or arrangements of connection of shield to conductive members
    • H01R13/6597—Specific features or arrangements of connection of shield to conductive members the conductive member being a contact of the connector
    • 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
    • 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
    • H01R13/6596—Specific features or arrangements of connection of shield to conductive members the conductive member being a metal grounding panel
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
    • H01R43/20—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for assembling or disassembling contact members with insulating base, case or sleeve
    • 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
    • H01R13/40—Securing contact members in or to a base or case; Insulating of contact members
    • H01R13/42—Securing in a demountable manner
    • H01R13/436—Securing a plurality of contact members by one locking piece or operation
    • H01R13/4367—Insertion of locking piece from the rear
    • 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
    • H01R13/46—Bases; Cases
    • H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
    • H01R13/5205—Sealing means between cable and housing, e.g. grommet
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R2201/00—Connectors or connections adapted for particular applications
    • H01R2201/26—Connectors or connections adapted for particular applications for vehicles

Definitions

  • the present disclosure relates in general to the field of electrical connectors, and in particular to the field of connectors for connecting shielded cables, such as shielded cables for high voltage current.
  • Such connectors are intended to be used in any kind of industry, and in particular in the automotive industry.
  • Connectors and in particular power connectors for automotive applications, are known in which power terminals are attached (e.g. crimped) to shielded cables. Then the grounding of the shielding cables is performed by harness makers who must splice the shielding braids of these shielded cables with a grounding wire that is itself connected to the vehicle body.
  • the disclosure below aims to remedy, at least partially, the above-mentioned drawbacks.
  • this connector comprises an additional way corresponding to a grounding cable allowing the cable shields (e.g. shielding braids) to be easily connected to an equipment ground (e.g., the vehicle ground).
  • This solution avoids the complex and time-consuming task of splicing the shielding braid of each cable.
  • this electrical connector comprises one or more of the features mentioned in claims 2 to 10, each one of these features being considered independently of each other or in combination of one or several others.
  • this method comprises one or more of the features mentioned in claims 13 to 15, each one of these features being considered independently of each other or in combination of one or several others.
  • Figure 1 discloses an example of a connector assembly 1.
  • the connector assembly 1 comprises a connector 2 and a counterpart connector 3.
  • the connector 2 is a male connector and the counterpart connector 3 is a female connector.
  • both the connector 2 and the counterpart connector 3 are 4-way power connectors (with an additional way for the connector 2 as disclosed below).
  • the connector 2 comprises in particular a housing 4 and a seal retainer 5, both made of a dielectric material.
  • the connector 2 also comprises a common grounding plate 18 (see Fig. 2 ), a single wire seal 16 (see Fig. 3 ) and a common seal 24 (see Fig. 3 ).
  • the housing 3 has a plurality of compartments 6 (see Fig. 3 ). Each compartment 6 is configured for accommodating a terminal 7 (in this example a male power terminal) (see Fig. 2 ).
  • a grounding terminal 8 is accommodated in a cavity 9 formed in the seal retainer 5 (see Figs. 3 and 4 ).
  • Each terminal 7 is mechanically attached and electrically connected to a shielded cable 10.
  • each terminal 7 is crimped on a shielded cable 10.
  • Each shielded cable 10 is intended to transmit high power currents.
  • Each shielded cable 10 comprises an outer sheath 11, an inner sheath 12, both made of electrically insulating material, an electrically conducting cable shield (e.g. a shielding braid) being inserted between the outer sheath 11 and the inner sheath 12.
  • the inner sheath 12 envelops a core 13 formed of at least one electrically conductive wire.
  • the cable shield surrounds the core 13 except at the end of the shielded cable 10, where the cable shield is turned up over the outer sheath 11.
  • An electrically conducting ferrule 14 is mounted at the end of each shielded cable 10, on a portion of the cable shield which is turned up over the outer sheath 11.
  • ferrules 14 is optional, but it helps improve the electrical connection between the common grounding plate 18 and the cable shields.
  • the grounding terminal 8 is mechanically attached and electrically connected to a free end of a grounding cable 15.
  • the grounding terminal 8 is crimped on the grounding cable 15.
  • the grounding terminal 8 is also crimped onto the single wire seal 16 (even though, this is not shown on the figures).
  • the single wire seal 16 is configured for providing a sealing barrier between the cavity 9 and an external insulating sheath 17 of the grounding cable 8.
  • the grounding cable 15 is intended to be connected to the ground of a vehicle.
  • the use of a grounding terminal 8 is optional, but it helps improve the electrical connection between the common grounding plate 18 and the grounding cable 15.
  • the common grounding plate 18 is mounted into the housing 4.
  • the common grounding plate 18 comprises fixing means 19.
  • the fixing means 19 have a fishbone shape, each secured, hooked, in a respective slot made in the housing 4, thereby attaching the common grounding plate 18 in the housing 4.
  • the common grounding plate 18 comprises a plurality of openings 20, 21: in this example, four first openings 20 in which a ferrule 14 is inserted and one second opening 21 in which the grounding terminal 8 is inserted.
  • the four first openings 20 are each respectively surrounded by at least one first flexible (i.e elastic) tongues 22 (in this example twelve first flexible tongues 22) (see Figure 4 ).
  • At least one second flexible (i.e elastic) tongue 23 extends from the edge of the second opening 21 (in this example two second flexible tongues 23) (see Figure 4 ).
  • the first flexible tongues 22 and the second flexible tongues 23 are bent so as to extend, in an insertion direction I of the shielded cables 10 and the grounding cable 15, from the common grounding plate 18 to a free end.
  • This orientation of the first flexible tongues 22 and the second flexible tongues 23 allows for an easy insertion of the ferrules 14 and the grounding terminal 8, respectively in the first openings 20 and the second openings 21.
  • the free end of the first flexible tongues 22 and the second flexible tongues 23 could alternatively extend towards the seal retainer 5, in a direction opposite the insertion direction I.
  • first flexible tongues 22 and the second flexible tongues 23 are configured so as to establish an electrical contact between the common grounding plate 18, the ferrules 14 and the grounding terminal 8.
  • the ferrules 14 and the grounding terminal 8 are electrically connected to each other through the common grounding plate 18.
  • the first flexible tongues 22 and the second flexible tongues 23 maintain a resilient electrical contact between respectively the ferrules 14 and the grounding terminal 8.
  • the common seal 24 is configured for providing a sealing barrier between the seal retainer 5 and the outer sheath 11 of each shielded cable 10, and between the seal retainer 5 and the housing 4.
  • the common seal 24 is advantageously mounted in the seal retainer 5.
  • the common grounding plate 18 is mounted in the housing 4 (in particular with the insertion of the fixing means 19 in corresponding housing slots).
  • the free ends of the shielded cables 10 are passed through passages 25 made through the rear face of the seal retainer 5 and through the common seal 24.
  • the terminals 7 can be attached to the respective free end of each shielded cable 10 either before or after the shielded cables 10 are passed through the passages 25.
  • the ferrules 14 are placed on the shielded cables 10 and connected to the cable shield either before or after the terminals 7 are attached to the shielded cables 10 (but after the shielded cables 10 are passed through the passages 25).
  • the grounding terminal 8 and the single wire seal 16 are placed and mounted on the free end of the grounding cable 15. Then, the grounding terminal 8 is inserted in the cavity 9 of the seal retainer 5.
  • This assembly can then be mounted in the housing 4 in inserting, in the insertion direction I, the free ends of the shielded cables 10 with the ferrules 14 as well as the grounding terminal 8, respectively into the first opening 20 and the second openings 21 of the common grounding plate 18.
  • the common grounding plate 18 is connected to the cable shields (via each ferrule 14) and to the grounding cable 15 (via the grounding terminal 8).
  • the seal retainer 5 is clipped onto the rear face of the housing 4.

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Connector Housings Or Holding Contact Members (AREA)
EP22208445.1A 2022-11-18 2022-11-18 Connecteur avec une plaque de mise à la terre commune Pending EP4372930A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP22208445.1A EP4372930A1 (fr) 2022-11-18 2022-11-18 Connecteur avec une plaque de mise à la terre commune

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP22208445.1A EP4372930A1 (fr) 2022-11-18 2022-11-18 Connecteur avec une plaque de mise à la terre commune

Publications (1)

Publication Number Publication Date
EP4372930A1 true EP4372930A1 (fr) 2024-05-22

Family

ID=84360856

Family Applications (1)

Application Number Title Priority Date Filing Date
EP22208445.1A Pending EP4372930A1 (fr) 2022-11-18 2022-11-18 Connecteur avec une plaque de mise à la terre commune

Country Status (1)

Country Link
EP (1) EP4372930A1 (fr)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20200194938A1 (en) * 2018-12-12 2020-06-18 Hyundai Motor Company Integrated multipole connector
WO2021018474A1 (fr) * 2019-07-29 2021-02-04 Phoenix Contact E-Mobility Gmbh Ensemble de connexion et véhicule
EP3869622A1 (fr) * 2020-02-20 2021-08-25 HARTING Automotive GmbH Prise de recharge pour un véhicule électrique

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20200194938A1 (en) * 2018-12-12 2020-06-18 Hyundai Motor Company Integrated multipole connector
WO2021018474A1 (fr) * 2019-07-29 2021-02-04 Phoenix Contact E-Mobility Gmbh Ensemble de connexion et véhicule
EP3869622A1 (fr) * 2020-02-20 2021-08-25 HARTING Automotive GmbH Prise de recharge pour un véhicule électrique

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