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WO2018120045A1 - 具有边界接触的屏蔽电缆穿过组件 - Google Patents

具有边界接触的屏蔽电缆穿过组件 Download PDF

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Publication number
WO2018120045A1
WO2018120045A1 PCT/CN2016/113566 CN2016113566W WO2018120045A1 WO 2018120045 A1 WO2018120045 A1 WO 2018120045A1 CN 2016113566 W CN2016113566 W CN 2016113566W WO 2018120045 A1 WO2018120045 A1 WO 2018120045A1
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WO
WIPO (PCT)
Prior art keywords
contact
assembly
shielded cable
metal sleeve
shielded
Prior art date
Application number
PCT/CN2016/113566
Other languages
English (en)
French (fr)
Inventor
张安阳
Original Assignee
德尔福中央电气（上海）有限公司
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 德尔福中央电气（上海）有限公司 filed Critical 德尔福中央电气（上海）有限公司
Priority to EP16925803.5A priority Critical patent/EP3565066B1/en
Priority to US16/473,387 priority patent/US11114804B2/en
Priority to CN201680091950.7A priority patent/CN110168810B/zh
Priority to PCT/CN2016/113566 priority patent/WO2018120045A1/zh
Publication of WO2018120045A1 publication Critical patent/WO2018120045A1/zh

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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
    • H01R9/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, e.g. terminal strips or terminal blocks; Terminals or binding posts mounted upon a base or in a case; Bases therefor
    • H01R9/03—Connectors arranged to contact a plurality of the conductors of a multiconductor cable, e.g. tapping connections
    • H01R9/05—Connectors arranged to contact a plurality of the conductors of a multiconductor cable, e.g. tapping connections for coaxial cables
    • H01R9/0515—Connection to a rigid planar substrate, e.g. printed circuit board
    • 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
    • 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
    • H01R13/502—Bases; Cases composed of different pieces
    • 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
    • H01R9/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, e.g. terminal strips or terminal blocks; Terminals or binding posts mounted upon a base or in a case; Bases therefor
    • H01R9/03—Connectors arranged to contact a plurality of the conductors of a multiconductor cable, e.g. tapping connections
    • H01R9/05—Connectors arranged to contact a plurality of the conductors of a multiconductor cable, e.g. tapping connections for coaxial cables
    • H01R9/0524—Connection to outer conductor by action of a clamping member, e.g. screw fastening means

Definitions

  • the present disclosure generally relates to a shielded cable passing through an assembly, and more particularly to an interface between a metal sleeve in electrical contact with a shield of the shielded electrical cable and a contact terminal in electrical contact with a boundary through which the shielded electrical cable passes.
  • a shielded cable is provided through an assembly that is configured to provide electrical contact between a shield of a shielded cable and a boundary through which the shielded cable passes.
  • the assembly includes a metal sleeve and a contact terminal.
  • the metal sleeve defines a shielding surface for making electrical contact with the shield of the shielded electrical cable.
  • the contact terminals define contact features for making electrical contact with the boundary through which the shielded cable passes.
  • the contact terminal also defines a plurality of internal contact fingers extending from the contact terminal in a longitudinal direction parallel to the longitudinal axis of the shielded electrical cable. After assembling the assembly, the plurality of internal contact fingers are pushed in a radial direction to make electrical contact with the contact surface of the metal sleeve.
  • FIG. 1 is an exploded view of a shielded cable passing through a component, in accordance with one embodiment
  • FIG. 2 is a cross-sectional view of the shielded electrical cable through assembly of FIG. 1 in accordance with one embodiment
  • 3A, 3B, and 3C are views of components used to form the shielded cable passing assembly of Figs. 1 and 2, in accordance with one embodiment;
  • Figure 4 is a close-up cross-sectional side view of a portion of the assembly of Figure 1;
  • Figure 5 is a close-up cross-sectional side view of a portion of the assembly of Figure 4.
  • shielded electrical cable 14 is shown having a single conductor 18 that is covered or wrapped by insulating layer 20, wherein single conductor 18 may be sized to conduct a battery (not shown) from an electric vehicle (not shown). Current.
  • a single conductor 18 is not necessary as it is contemplated that multiple conductors may be covered by the insulating layer 20, wherein the shield layer 12 provides electromagnetic protection for the plurality of conductors.
  • assembly 10 can be replicated in parallel to form a unitized 2-way, 3-way, or more-way component for multiple parallel instances of single conductor 18.
  • the preferred shielding layer 12 is a braided wire shield for reliability and durability reasons. However, as will be appreciated by those skilled in the art, this is not required as it is contemplated for the optional single wire conductor that the shield layer 12 can be formed from a metal foil.
  • the boundary 16 may be a metal body panel of a vehicle or a casing of an electrical device.
  • the boundary 16 may include an interface 70, such as the interface shown by Marsh et al. in U.S. Patent No. 8,585,415, issued November 19, 2013, or the corresponding Chinese Patent No. 10,234,1965, issued on Jul. 15, 2015; Reference number 118.
  • the interface 70 is preferably formed of metal and may be soldered or otherwise attached to the boundary 16 in a manner that provides an electrical connection between the interface 70 and the boundary 16.
  • Assembly 10 can also include various seals, fasteners, and fasteners for attaching assembly 10 to interface or boundary 16.
  • the assembly 10 includes a metal sleeve 22 that defines a shield surface 24 for making electrical contact with the shield layer 12 of the shielded electrical cable 14.
  • the shielded electrical cable 14 can be prepared (i.e., peeled off) by removing portions of the outer cover layer 26, the shield layer 12, and the insulating layer 20 as shown in FIG.
  • the portion of the metal sleeve 22 that defines the shield surface 24 is generally sized to slide over the insulating layer 20 and under the shield layer 12.
  • the metal sleeve 22 can be formed from brass, galvanized steel, or any other material suitable for reliable electrical connection to the shield 12.
  • the assembly 10 can also include a ferrule 28 that crimps over the shield layer 12 about the shield layer 12 in contact with the shield surface 24 of the metal sleeve 22 to urge the shield 12 and shield surface 24 of the shielded electrical cable 14. Form a reliable electrical contact.
  • the ferrule 28 can be made of brass, The galvanized steel or any other material suitable for crimping is formed and thereby provides a reliable electrical connection between the shield layer 12 and the shield surface 24.
  • the assembly 10 includes a contact terminal 30 that defines a contact feature 32 (Fig. 3A) that can be used to make electrical contact with the boundary 16 when the assembly 10 is attached to the boundary 16.
  • the contact terminal 30 includes or defines a plurality of internal contact fingers 34 that extend from the contact terminals 30 in a longitudinal direction 36 (FIG. 3C) parallel to the longitudinal axis 38 (FIG. 1) of the shielded electrical cable 14.
  • the material used to form contact terminal 30 e.g., beryllium copper
  • the material used to form contact terminal 30 e.g., beryllium copper
  • the material used to form contact terminal 30 cooperate such that after assembly of assembly 10, a plurality of internal contact fingers 34 are pushed in radial direction 40 (Fig. 3C) to The contact surface 42 of the metal sleeve 22 makes electrical contact.
  • the plurality of inner contact fingers 34 remain in spring loaded contact with the contact surface 42.
  • the contact surface 42 is shown on the inside of the metal sleeve 22 such that the radial direction 40 is radially outward, this is not required. It is contemplated that the contact surface 42 can be on the outside of the metal sleeve 22 and the plurality of inner contact fingers 34 can be configured to be pushed or pressed against the metal sleeve 22 in a radially inward direction from the outside.
  • Contact feature 32 or contact terminal 30 may be further configured to define a plurality of external contact fingers 66 that are pushed in other radial directions 68 (FIG. 5) to interface 70 after assembly assembly 10 Make electrical contact.
  • the other radial directions 68 coincide with the radial direction 40.
  • the other radial directions 68 are opposite the radial direction 40, in a radially inward direction or a radially outward direction.
  • the assembly 10 can include a retainer 44 that defines a protrusion or hook 46 that fits into an opening 48 defined by the metal sleeve 22. After assembly of the assembly 10, the hooks 46 and openings 48 are configured to cooperate with each other to retain the metal sleeve 22 on the retainer 44 and prevent the metal sleeve 22 from rotating relative to the retainer 44.
  • the retainer 44 can also define a plurality of channels 50 that pass through the plurality of channels 50 after assembly of the assembly 10, or at least after assembly of the contact terminals 30 and the retainers 44. After assembling the assembly, the plurality of channels 50 and the plurality of internal contact fingers 34 cooperate to prevent the contact terminals 30 from rotating relative to the holder 44. It is advantageous to prevent the rotation of the various components as it helps to reduce the wear of the various electrical contacts used to form the electrical connections between the shield 12 and the boundary 16.
  • the assembly 10 can include a housing 52 that cooperates with the perimeter seal 54 and the wire seal 56 to cover components within the enclosure that form an electrical connection between the shield 12 and the boundary 16 and protect it from moisture. And other pollution.
  • the housing 52 can be further configured to support the shielded cable 14 and provide the necessary features 60 such that the fasteners 58 can be used to secure or attach the assembly 10 to the boundary 16.
  • the assembly 10 can include a locking insert 62 that cooperates with the cover 64 to secure the wire seal 56 and provide strain relief for the shielded electrical cable 14.
  • a shielded cable is provided through the assembly (assembly 10) that provides a convenient, economical, and reliable way to make electrical contact between the shield of the shielded cable and the boundary through which the shielded cable passes.

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  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Insulated Conductors (AREA)
  • Cable Accessories (AREA)

Abstract

一种屏蔽电缆穿过组件(10)包括金属套筒(22)和接触端子(30)，该屏蔽电缆穿过组件(10)经配置在屏蔽电缆(14)的屏蔽层(12)和屏蔽电缆(14)穿过的边界(16)之间提供电接触。金属套筒(22)限定用于与屏蔽电缆(14)的屏蔽层(12)进行电接触的屏蔽表面(24)。接触端子(30)限定用于与屏蔽电缆(14)穿过的边界(16)进行电接触的接触特征结构(32)。接触端子(30)还限定以平行于屏蔽电缆(14)的纵向轴线(38)的纵向方向(36)从接触端子(30)延伸的多个内部接触指部(34)。在组装组件(10)之后，多个内部接触指部(34)在径向方向(40)上被推动以与金属套筒(22)的接触表面(42)进行电接触。

Description

具有边界接触的屏蔽电缆穿过组件 技术领域
本公开总体上涉及屏蔽电缆穿过组件，并且更具体地涉及与屏蔽电缆的屏蔽层进行电接触的金属套筒和与屏蔽电缆穿过的边界进行电接触的接触端子之间的接口。
背景技术
有时期望在屏蔽电缆的屏蔽层和屏蔽电缆穿过的边界之间提供电接触。然而，许多提出的解决方案是不期望的昂贵和/或复杂和/或不可靠。
发明内容
根据一个实施例，提供了屏蔽电缆穿过组件，该屏蔽电缆穿过组件经配置提供屏蔽电缆的屏蔽层和屏蔽电缆穿过的边界之间的电接触。该组件包括金属套筒和接触端子。金属套筒限定用于与屏蔽电缆的屏蔽层进行电接触的屏蔽表面。接触端子限定用于与屏蔽电缆穿过的边界进行电接触的接触特征结构。接触端子还限定从接触端子以平行于屏蔽电缆的纵向轴线的纵向方向延伸的多个内部接触指部。在组装组件之后，多个内部接触指部在径向方向上被推动以与金属套筒的接触表面进行电接触。
在阅读以下优选实施例的详细描述时，进一步的特征和优点将更清楚地呈现，该详细描述仅通过非限制性示例并参照附图给出。
附图说明
现在将参照附图通过示例的方式描述本发明，其中：
图1是根据一个实施例的屏蔽电缆穿过组件的分解图；
图2是根据一个实施例的图1的屏蔽电缆穿过组件的截面图；
图3A、图3B和图3C是根据一个实施例用于形成图1和图2的屏蔽电缆穿过组件的部件的视图；
图4是图1的组件的一部分的特写截面侧视图；以及
图5是图4的组件的一部分的特写截面侧视图。
具体实施方式
图1和图2示出屏蔽电缆穿过组件10(以下称为组件10)的非限制性示例，组件10一般经配置在屏蔽电缆14的屏蔽层12和屏蔽电缆14穿过的边界16(图2)之间提供电接触。在该示例中，屏蔽电缆14示出为具有被绝缘层20覆盖或包裹的单导体18，其中单导体18的尺寸可以适于传导来自电动车辆(未示出)中的电池(未示出)的电流。然而，单导体18不是必需的，因为可以考虑多个导体可以由绝缘层20覆盖，其中屏蔽层12为多个导体提供电磁保护。还可以考虑，组件10的特征结构和部件可以并行复制以形成用于单导体18的多个并行实例的单元化的2路、3路或更多路组件。出于可靠性和耐久性原因，优选的屏蔽层12是编织线型屏蔽。然而，如本领域技术人员将认识到的，这不是必需的，因为对于可选的单线导体可以考虑屏蔽层12可以由金属箔形成。
边界16可以是车辆的金属车身板或电气设备的罩壳。边界16可以包括接口70，例如在2013年11月19日授权的美国专利号8,585,415或对应的2015年7月15日授权的中国专利号102341965中由Marsh等人所示的接口；参见那些文件中的参考号118。接口70优选地由金属形成并且可以以在接口70和边界16之间提供电连接的方式焊接或以其它方式附接到边界16。组件10还可包括用于将组件10附接到接口或边界16的各种密封件、固定件和紧固件。
组件10包括金属套筒22，金属套筒22限定用于与屏蔽电缆14的屏蔽层12进行电接触的屏蔽表面24。屏蔽电缆14可以如图1所示通过去除外部覆盖层26、屏蔽层12和绝缘层20的部分进行准备(即剥离)。金属套筒22的限定屏蔽表面24的部分的尺寸通常设计为在绝缘层20上且在屏蔽层12下滑动。金属套筒22可以由黄铜、电镀钢或适于与屏蔽层12进行可靠电连接的任何其它材料形成。
组件10还可以包括套圈28，套圈28在屏蔽层12上围绕屏蔽层12与金属套筒22的屏蔽表面24进行接触的地方压接，以推动屏蔽电缆14的屏蔽层12与屏蔽表面24形成可靠的电接触。类似于金属套筒22，套圈28可以由黄铜、 电镀钢或适于压接的任何其它材料形成，并且从而在屏蔽层12和屏蔽表面24之间进行可靠的电连接。
组件10包括限定接触特征结构32(图3A)的接触端子30，当组件10附接到边界16时，接触特征结构32可以用于与边界16进行电接触。接触端子30包括或限定多个内部接触指部34，多个内部接触指部34以平行于屏蔽电缆14的纵向轴线38(图1)的纵向方向36(图3C)从接触端子30延伸。用于形成接触端子30的材料(例如铍铜)和内部接触指部的形状协作，使得在组装组件10之后，多个内部接触指部34在径向方向40(图3C)上被推动以与金属套筒22的接触表面42进行电接触。也就是说，一旦组装完成，多个内部接触指部34保持与接触表面42的弹簧加载接触。虽然在该非限制性示例中接触表面42示出为在金属套筒22的内侧上，使得径向方向40径向向外，但这不是必须的。可以考虑，接触表面42可以在金属套筒22的外侧上，并且多个内部接触指部34可以经配置倚靠金属套筒22从外侧以径向向内的方向被推动或挤压。
接触特征结构32或接触端子30可以进一步经配置限定多个外部接触指部66，在组装组件10之后多个外部接触指部66在其它径向方向68(图5)上被推动以与接口70进行电接触。在该示例中，其他径向方向68与径向方向40一致。然而，类似于上面提到的，可以预想其他配置，其中其他径向方向68与径向方向40相反，在径向向内方向或径向向外方向上。
组件10可以包括保持器44，保持器44限定配合到由金属套筒22限定的开口48中的突出部或钩46。在组装组件10之后，钩46和开口48构造成彼此协作以将金属套筒22保持在保持器44上，并且防止金属套筒22相对于保持器44旋转。保持器44还可以限定多个通道50，在组装组件10之后，或者至少组装接触端子30和保持器44之后，多个内部接触指部34穿过多个通道50。在组装组件之后，多个通道50和多个内部接触指部34协作以防止接触端子30相对于保持器44旋转。防止各个部件旋转是有利的，因为其有助于减少用于形成屏蔽层12和边界16之间的电连接的各个电接触点的磨损。
组件10可以包括外壳52，外壳52与周边密封件54和线密封件56协作以覆盖外壳内的在屏蔽层12和边界16之间形成电连接的部件并且使其免于湿气 和其他污染。壳体52可以进一步经配置支撑屏蔽电缆14并且提供必要的特征结构60，因而紧固件58可以用于将组件10固定或附接到边界16。组件10可以包括锁定插入件62，锁定插入件62与盖64协作以固定线密封件56并且为屏蔽电缆14提供应变消除。
因此，提供了屏蔽电缆穿过组件(组件10)，该屏蔽电缆穿过组件提供了一种方便、经济和可靠的方式以在屏蔽电缆的屏蔽层和屏蔽电缆穿过的边界之间进行电接触。
虽然已经根据本发明的优选实施例描述了本发明，但是本发明并不旨在受限于以上描述，而是仅仅受限于以下权利要求中阐述的范围。

Claims (5)

  1. 一种屏蔽电缆穿过组件(10)，所述组件(10)经配置在屏蔽电缆(14)的屏蔽层(12)和所述屏蔽电缆(14)穿过的边界(16)之间提供电接触，所述组件(10)包括：
    金属套筒(22)，其限定用于与屏蔽电缆(14)的屏蔽层(12)进行电接触的屏蔽表面(24)；
    接触端子(30)，其限定用于与所述屏蔽电缆(14)穿过的所述边界(16)进行电接触的接触特征结构(32)，并且限定以平行于所述屏蔽电缆(14)的纵向轴线(38)的纵向方向(36)从所述接触端子(30)延伸的多个内部接触指部(34)，其中在组装所述组件(10)之后，所述多个内部接触指部(34)在径向方向(40)上被推动以与所述金属套筒(22)的接触表面(42)进行电接触。
  2. 根据权利要求1所述的组件(10)，其特征在于，其中所述边界(16)包括接口(70)，并且所述接触端子(30)限定多个外部接触指部(66)，所述多个外部接触指部(66)在组装所述组件(10)之后在另一径向方向(40)上被推动以与接口(70)进行电接触。
  3. 根据权利要求1所述的组件(10)，其特征在于，所述组件(10)包括限定钩(46)的保持器(44)，所述钩(46)配合到由所述金属套筒(22)限定的开口(48)，其中在组装所述组件(10)之后，所述钩(46)和所述开口(48)协作以将所述金属套筒(22)保持在所述保持器(44)上，并且防止所述金属套筒(22)相对于所述保持器(44)旋转。
  4. 根据权利要求3所述的组件(10)，其特征在于，所述保持器(44)限定多个通道(50)，在组装所述组件(10)之后，所述多个内部接触指部(34)穿过所述多个通道(50)，其中在组装所述组件(10)之后，所述多个通道(50)和所述多个内部接触指部(34)协作以防止所述接触端子(30)相对于所述保持器(44)旋转。
  5. 根据权利要求1所述的组件(10)，其特征在于，所述组件(10)包括套圈(28)，所述套圈(28)围绕所述金属套筒(22)的所述屏蔽表面(24)压接，以推动所述屏蔽电缆(14)的所述屏蔽层(12)与所述屏蔽表面(24) 电接触。
PCT/CN2016/113566 2016-12-30 2016-12-30 具有边界接触的屏蔽电缆穿过组件 WO2018120045A1 (zh)

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EP16925803.5A EP3565066B1 (en) 2016-12-30 2016-12-30 Shielded cable penetrable component with boundary contact
US16/473,387 US11114804B2 (en) 2016-12-30 2016-12-30 Shielded-cable pass-through assembly with boundry contact
CN201680091950.7A CN110168810B (zh) 2016-12-30 2016-12-30 具有边界接触的屏蔽电缆穿过组件
PCT/CN2016/113566 WO2018120045A1 (zh) 2016-12-30 2016-12-30 具有边界接触的屏蔽电缆穿过组件

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EP3565066B1 (en) 2022-08-17
EP3565066A4 (en) 2020-08-12
EP3565066A1 (en) 2019-11-06

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