WO2012051896A1 - 一种电源线缆组件 - Google Patents

一种电源线缆组件 Download PDF

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Publication number
WO2012051896A1
WO2012051896A1 PCT/CN2011/080058 CN2011080058W WO2012051896A1 WO 2012051896 A1 WO2012051896 A1 WO 2012051896A1 CN 2011080058 W CN2011080058 W CN 2011080058W WO 2012051896 A1 WO2012051896 A1 WO 2012051896A1
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WO
WIPO (PCT)
Prior art keywords
cable
grounding
contact
sleeve
jumper
Prior art date
Application number
PCT/CN2011/080058
Other languages
English (en)
French (fr)
Inventor
杨建波
黄任飞
洪娇
Original Assignee
中兴通讯股份有限公司
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Filing date
Publication date
Application filed by 中兴通讯股份有限公司 filed Critical 中兴通讯股份有限公司
Publication of WO2012051896A1 publication Critical patent/WO2012051896A1/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
    • 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  

Definitions

  • the present invention relates to the field of radio communication equipment, and in particular to a power cable assembly for outdoor use communication equipment. Background technique
  • the unit generally uses a circular connector as the power interface; due to outdoor applications, the cable and connector connection parts are subject to greater protection pressure, so there is a high requirement for reliability and protection.
  • the traditional power cable assembly is treated by copper foil winding, hot melt, and sealing body, which has the disadvantages of poor shielding and poor reliability.
  • the main technical problem to be solved by the present invention is to provide a power cable assembly, which can effectively improve the reliability of the power cable assembly.
  • a power cable assembly comprising a connector, a cable and a grounding jumper, the cable comprising a core and a shielding layer;
  • the connector includes a contact, the same end of the contact is connected to the core; one end of the ground jumper is connected to one end of the contact and the core, and the other end is The shield connection; wherein the contact connected to the ground jumper is a ground contact.
  • the ground jumper includes at least one wire.
  • the connector further comprises a sleeve, the sleeve extends through a joint of the contact member and the core wire, and the sleeve has an inner mold inside.
  • the inner mold is completed by injection molding, and the inner mold is a PE material.
  • the connector further comprises a pressure ring pressed on an end of the sleeve through which the cable is worn for crimping the ground jumper and the shielding layer.
  • the sleeve, the pressure ring and one end of the cable penetrating the sleeve are injection molded together to form an outer mold as a whole.
  • a power cable assembly includes a cable, the cable includes a grounding core and a shielding layer; the power cable assembly further includes a grounding jumper, one end of the grounding jumper is connected to the grounding core, and the other end Connected to the shielding layer.
  • ground jumper comprises at least one wire.
  • the assembly further includes a connector
  • the connector includes a contact member and a sleeve, one end of the contact member is connected to a core wire of the cable, and the other end is connected with a plug that is matched with the connector;
  • the sleeve extends through the joint of the contact with the core of the cable, the sleeve having an inner mold inside.
  • the connector further comprises a pressure ring pressed on an end of the sleeve through which the cable is worn for crimping the ground jumper and the shielding layer.
  • the power cable assembly provided by the invention connects the shielding layer of the cable with the contact for grounding through a grounding jumper or directly connects it with the grounding core wire, that is, the shielding layer of the cable is reliably grounded to eliminate the generation of the shielding layer.
  • the induced current also acts as a lightning protection device to improve the reliability of the power cable.
  • FIG. 1 is an overall structural diagram of a power cable assembly according to an embodiment of the present invention
  • FIG. 2 is a schematic structural view of a connector according to an embodiment of the present invention.
  • FIG. 3 is a schematic structural diagram of a power cable assembly according to an embodiment of the present invention. detailed description
  • the power cable assembly provided by the invention comprises a connector, a cable and a grounding jumper, wherein the cable comprises a shielding layer and a core wire, the connector comprises a contact, one end of the contact is connected with the core wire, and one end of the grounding jumper One end connected to the core wire of the contact piece and the cable is connected, and the other end is connected to the shielding layer of the cable, wherein the contact piece connected to the ground jumper is a ground contact, that is, the contact piece is connected with the grounding wire of the cable Connection, for grounding;
  • the power cable assembly provided by the invention can directly connect one end of the grounding jumper to the grounding core of the cable, and the other end is connected with the shielding layer of the cable, and can also realize the cable. The shield is reliably grounded.
  • the cable may include at least two core wires
  • the ground jumper may include at least one wire
  • the ground jumper may be a copper wire for shielding the cable and the connector for grounding. Piece connection to achieve reliable grounding of the shielding layer of the cable;
  • the connector further includes a sleeve extending through the joint between the contact member and the core of the cable.
  • the sleeve may have an inner mold inside, and the inner portion of the sleeve may be filled by injection molding to form an inner mold.
  • the inner mold can be a polyethylene (PE) material for fixing and protecting the connecting portion of the core wire and the contact of the cable;
  • the connector may further include a pressure ring pressed against the end of the sleeve through which the cable is crimped to crimp the ground jumper and the shielding layer;
  • the sleeve, the pressure ring and one end of the cable penetrating the sleeve may be injection molded together to form a whole outer mold of a certain shape, wherein the material for injection molding may be polyvinyl chloride (PVC).
  • PVC polyvinyl chloride
  • External injection molding is used to isolate the sleeve, pressure ring, etc. from the external environment for environmental protection.
  • FIG. 1 is an overall structural diagram of a power cable assembly of the present embodiment.
  • the connector in this example is circular.
  • the connector can be designed into other shapes as needed. , such as a rectangle, the corresponding plug corresponding to the connector can also be made into a corresponding shape; 2 for external injection molding to form an outer mold, since the connector in this embodiment is circular, so the outer The shape of the outer mold formed by injection molding is also rounded.
  • the external injection molding can be any other shape, such as a rectangle or a diamond, as long as it can pass the sleeve, the pressure ring and the through The cable of one end of the pressure ring can be injection molded as a whole.
  • the external injection molding material of this embodiment can be selected as polyvinyl chloride; 3 the three-core cable used in the embodiment, in view of the existing outdoor power supply
  • the cable in the cable assembly is a three-core cable.
  • the cable used in this embodiment is also a three-core cable.
  • Multi-wire cable such as five or four-wire cable core wire.
  • FIG. 2 is a schematic structural view of a circular connector used in the embodiment, wherein 4 is a contact, and the contact 4 in this embodiment may be made of copper, and one end of the cable is connected to the core of the cable 3 . The other end is matched with the contact on the corresponding plug, which is the core part for completing the electrical connection;
  • 6 is the insulator, and the insulator 6 in this embodiment can be a base formed by plastic molding, which is used to ensure the contacts 4 And the insulation between the contact and the outer casing 5;
  • 5 is a casing for providing mechanical protection for the contact 4 and the insulator 6, and providing alignment when the plug and socket are connected, to better connect the connector 1 to the device
  • the insulator 6 is placed in the outer casing 5 and closely fits with the outer casing 5;
  • the contact member 4 is provided with a corresponding hole provided by the insulator 6, one end is connected to the core wire of the cable 3, and the other end is matched with the contact on the corresponding plug.
  • the shape of the corresponding hole provided in the insulator 6 may be a circular shape, or may be a shape such as a rectangle or the like corresponding to the contact on the plug.
  • 7 is a sleeve which can be threaded.
  • 8 is a pressure ring, wherein the pressure ring can be a small metal ring , shield and grounding jumper for crimping cable 3, pressure The sleeve 8 is pressed against the end of the sleeve 7 through which the cable 3 is passed.
  • FIG. 3 is a structural diagram of a power cable assembly in the embodiment, wherein 10 is a ground jumper.
  • the ground jumper 10 can be composed of multiple small copper wires, one end of which is used for The grounded contact 4 is soldered, and the other end is crimped to the shield 9 of the cable passing through the press ring 8 through the pressure ring 8.
  • one end of the ground jumper 10 can be directly soldered to the grounding core of the cable, and the other end The shielding layer 9 of the cable passing through the pressure ring 8 is crimped by the pressure ring 8 to reliably ground the shielding layer of the cable.
  • one end of the grounding jumper 10 and the grounding contact 4 are used.
  • the inner mold 11 can be formed by injection molding, and the material thereof can be made of PE material to reduce the cost of the power supply assembly.
  • the outer contour formed by the inner mold 11 should be slightly smaller than the inner portion of the sleeve. volume of,
  • the connecting portion of the core wire and the contact member 4 for fixing and protecting the cable; the specific assembly process of the power cable assembly of the embodiment can be as follows: First, the three-core cable 3 can be stripped of the outer sheath of an appropriate length, and the shielding is performed.
  • the layer 9 is turned backwards, and then the pressure ring 8 and the sleeve 7 are sequentially threaded onto the cable; then, according to the pin definition of the contact 4, the core of the cable 3 and one end of the grounding jumper 10 and the corresponding contact 4 are Performing reliable welding, after the welding, the inner molding of the sleeve 7 is performed, the inner mold 11 is formed, and finally, the sleeve 7 and the outer casing 5 of the connector are screwed, and the pressure ring 8 is moved to connect the other end of the grounding jumper 10 The hook is crimped onto the shield layer 9, and the pressure ring 8 is pressed to complete the shielding process; then external molding is performed to form the outer mold.
  • the power cable assembly provided by the present invention connects the shielding layer 9 to the grounding contact through the grounding jumper 10 or directly connects the shielding layer 9 directly to the grounding core of the cable through the grounding jumper 10 to realize the shielding layer.
  • Reliable grounding of 9 can eliminate the induced current generated by the shielding layer and also play the role of lightning protection, improving the reliability of the power cable assembly.
  • the power cable assembly provided by the present invention is internally molded and externally Injection molding can ensure the reliable connection between the contact 4 and the core wire of the cable 3, and at the same time, the sleeve 7, the pressure ring 8 and the like are isolated from the external environment, and the environment is provided.
  • the protection function further improves the reliability of the power cable.
  • the present invention double-bonds the grounding jumper 10 and the shielding layer 9 through the pressure ring 8, thereby further ensuring reliable grounding of the shielding layer 9, and improving the power supply. Reliability of cable assemblies. It is to be understood that the specific embodiments of the invention are limited only by the description. It will be apparent to those skilled in the art that the present invention may be made without departing from the spirit and scope of the invention. Industrial applicability
  • a power cable assembly includes a connector, a cable and a ground jumper, the cable including a core wire and a shielding layer; the connector includes a contact, the same end of the contact and the core a wire connection; one end of the ground jumper is connected to one end of the contact and the core wire, and the other end is connected to the shielding layer; wherein the touch connected to the ground jumper
  • the parts are ground contacts.
  • the power cable assembly provided by the invention connects the shielding layer of the cable with the contact or core wire for grounding through a grounding jumper, thereby achieving reliable grounding of the cable shielding layer, thereby improving the reliability of the power cable.

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

Description

一种电源线缆组件 技术领域
本发明涉及无线电通讯设备技术领域， 具体涉及一种室外使用通讯设 备的电源线缆组件。 背景技术
目前较多的室外使用通讯设备的电源接口大部分是采用室外型多芯 (两芯或三芯） 带编织及铝箔屏蔽电源电缆与相应的连接器连接作为供电 线缆组件， 例如室外拉远射频单元（RRU )—般采用圆形连接器作为电源 接口； 由于室外应用， 电缆与连接器连接部分承受较大的防护压力， 因此 对其可靠性和防护都有较高的要求。 传统的电源线缆组件采用铜箔缠绕、 热溶胶、 和封线体等方式进行处理， 存在屏蔽不良， 可靠性差等缺点。 发明内容
本发明要解决的主要技术问题是， 提供一种电源线缆组件， 能有效提 高电源线缆组件的可靠性。
为达到上述目的， 本发明的技术方案是这样实现的：
一种电源线缆组件， 包括连接器、 电缆和接地跳线， 所述电缆包括芯 线和屏蔽层；
所述连接器包括触件， 所述触件的同一端和所述芯线相连接； 所述接地跳线的一端与所述触件和所述芯线相连接的一端连接， 另一 端与所述屏蔽层连接； 其中， 与所述接地跳线相连接的所述触件为接地触 件。
其中， 所述接地跳线包括至少一根导线。 其中， 所述连接器还包括套筒， 所述套筒贯穿所述触件与所述芯线的 连接处， 所述套筒内部具有内模。
其中， 所述内模通过注塑完成， 所述内模为 PE材料。
其中， 所述连接器还包括压环， 所述压环压在所述套筒穿有所述电缆 的一端上， 用于压接所述接地跳线和所述屏蔽层。
其中， 所述套筒、 压环以及所述电缆穿入所述套筒的一端被注塑在一 起， 以作为一个整体形成外模。
一种电源线缆组件， 包括电缆， 所述电缆包括接地芯线和屏蔽层； 所述电源线缆组件还包括接地跳线， 所述接地跳线一端与所述接地芯 线相连接， 另一端与所述屏蔽层相连接。
其中 , 所述接地跳线包括至少一根导线。
其中， 所述组件还包括连接器， 所述连接器包括触件和套筒， 所述触 件的一端与所述电缆的芯线相连， 另一端与所述连接器相配合的插头连接； 所述套筒贯穿所述触件与所述电缆的芯线的连接处， 所述套筒内部具有内 模。
其中， 所述连接器还包括压环， 所述压环压在所述套筒穿有所述电缆 的一端上， 用于压接所述接地跳线和所述屏蔽层。
本发明提供的电源线缆组件通过接地跳线将电缆的屏蔽层与用于接地 的触件连接或者直接将其与接地芯线进行连接， 即将电缆的屏蔽层实现可 靠接地， 以消除屏蔽层产生的感应电流， 同时也可起到防雷的作用， 从而 提高电源线缆的可靠性。 附图说明
图 1为本发明一种实施例的电源线缆组件的整体结构图；
图 2为本发明一种实施例的连接器的结构示意图；
图 3为本发明一种实施例的电源线缆组件的结构示意图。 具体实施方式
目前较多的室外电源接口大部分是采用室外型多芯 （两芯或三芯） 带 编织及铝箔屏蔽电源电缆与相应的连接器连接作为供电线缆组件， 由于室 外应用， 电缆与连接器连接部分承受较大的防护压力， 对其可靠性和防护 都有较高的要求。 传统的电源线缆组件存在屏蔽不良， 可靠性差等缺点， 因此本发明提供一种电源线缆组件以提高其可靠性。
下面通过具体实施方式结合附图对本发明作进一步详细说明。
本发明提供的电源线缆组件， 包括连接器、 电缆和接地跳线， 其中， 电缆包括屏蔽层和芯线， 连接器包括触件， 触件的一端和芯线相连接， 接 地跳线的一端与触件和电缆的芯线相连接的一端连接， 另一端与电缆的屏 蔽层连接， 其中， 与接地跳线相连接的触件为接地触件， 即该触件与电缆 的接地芯线相连接， 用于接地； 另外， 本发明提供的电源线缆组件， 可以 将接地跳线的一端直接与电缆的接地芯线相连接， 另一端与电缆的屏蔽层 相连接， 也可实现将电缆的屏蔽层可靠接地。
在本实施例中， 电缆可至少包括两根芯线， 接地跳线可至少包括一根 导线， 且接地跳线可为铜线， 用于将电缆的屏蔽层与连接器的用于接地的 触件连接， 实现电缆的屏蔽层的可靠接地；
在本实施例中， 连接器还包括套筒， 套筒贯穿触件与电缆的芯线的连 接处， 套筒内部可有内模， 可通过注塑的方式将套筒内部进行填充形成内 模， 其中， 内模可为聚乙烯（PE )材料， 用于固定和保护电缆的芯线与触 件的连接部分；
连接器还可包括压环， 压环压在套筒穿有电缆的一端上， 用于压接接 地跳线和屏蔽层；
套筒、 压环以及电缆穿入套筒的一端可被注塑在一起， 以成为一个整 体从而形成一定形状的外模， 其中， 用于注塑的材料可为聚氯乙烯（PVC ), 外部注塑用于使套筒、 压环等与外环境隔离， 起到环境防护作用。
请参考图 1 , 该图为本实施例的电源线缆组件的整体结构图， 1为连接 器， 本实例中的连接器为圆形， 当然根据需要， 也可将连接器设计为其他 的形状， 如矩形， 相应的与连接器相配合的插头也做成与之相对应的形状 即可； 2为外部注塑形成外模， 由于本实施例中的连接器采用的是圆形的， 因此外部注塑形成的外模形状与之相对应的也做成了圆形的， 当然， 外部 注塑可为其他的任意形状， 如矩形或是菱形等， 只要其能将套筒、 压环以 及与穿过压环的一端的电缆注塑为一个整体即可， 考虑到成本， 本实施例 的外部注塑材料可选为聚氯乙烯； 3为本实施例采用的三芯电缆，鉴于现有 的大部分室外电源线缆组件中的电缆都是采用的三芯线的电缆， 本实施例 中采用的电缆也为三芯线的电缆， 当然， 根据实际需要， 本发明中的电缆 可采用其他多芯线的电缆， 比如四芯线或是五芯线的电缆。
请参考图 2 , 该图为本实施例采用的圆形连接器的结构示意图， 其中， 4为触件， 本实施例中的触件 4可为铜制的， 其一端与电缆 3的芯线焊接， 另一端与对应的插头上的触件配合，是完成电连接的核心零件； 6为绝缘体， 本实施例中的绝缘体 6可为通过塑压成型的基座， 用于保证各触件 4以及 触件与外壳 5之间的绝缘性能； 5为外壳， 用于为触件 4和绝缘体 6提供机 械保护， 并提供插头插座连接时对准， 以更好的将连接器 1连接到设备上； 其中， 绝缘体 6置于外壳 5中， 与外壳 5紧密配合； 触件 4通过绝缘体 6 设置的相应的孔， 一端与电缆 3 的芯线连接， 另一端与对应的插头上的触 件配合， 绝缘体 6上设置的相应的孔的形状可以为圆形， 也可以为矩形等 其他和与之相配合的插头上的触件相对应的形状即可； 7为套筒， 其可通过 螺纹的方式与外壳 5连接， 用以分隔内部注塑和外部注塑 2 , 为芯线与触件 4的连接提供机械保护，并作为屏蔽层和接地跳线压接的承载体； 8为压环， 其中压环可为一小段金属圆环， 用于压接电缆 3 的屏蔽层和接地跳线， 压 环 8套压在套筒 7穿有电缆 3的一端。
请参考图 3 , 该图为本实施例中电源线缆组件的结构图， 其中， 10为 接地跳线， 本实施例中， 接地跳线 10可由多股小铜导线构成， 其一端与用 于接地的触件 4焊接， 另一端与穿过压环 8的电缆的屏蔽层 9通过压环 8 压接， 当然， 也可将接地跳线 10的一端与电缆的接地芯线直接焊接， 另一 端与穿过压环 8的电缆的屏蔽层 9通过压环 8压接， 也可实现将电缆的屏 蔽层可靠接地； 本实施例中采用将接地跳线 10的一端与接地用的触件 4进 行焊接的方式， 其中， 接地跳线 10与屏蔽层 9压接的一端， 构成接地跳线 10的多股导线可均勾的分布到屏蔽层 9上， 用于将屏蔽层可靠的接地； 11 为套筒内部的内模， 本实施例中， 内模 11可通过注塑的方式形成， 其材料 可采用 PE材料以降低电源组件的成本， 内模 11形成的外部轮廓的体积应 略小于套筒内部的体积， 用于固定和保护电缆的芯线与触件 4的连接部分； 本实施例的电源线缆组件的具体组装过程可如下： 可首先将三芯电缆 3 剥 去适当长度的外护套， 将屏蔽层 9向后翻转， 再将压环 8和套筒 7依次穿 到电缆上； 然后， 按触件 4的引脚定义， 将电缆 3的芯线和接地跳线 10的 一端与对应触件 4进行可靠焊接， 焊接后进行套筒 7的内部注塑， 成形内 模 11 , 最后， 将套筒 7和连接器的外壳 5通过螺纹紧固， 并移动压环 8将 接地跳线 10的另一端均勾的压接在屏蔽层 9上， 并将压环 8压紧完成屏蔽 处理； 然后进行外部注塑形成外模。
本发明提供的电源线缆组件， 通过接地跳线 10将屏蔽层 9与接地用的 触件连接或者直接通过接地跳线 10将屏蔽层 9直接与电缆的接地芯线进行 连接， 以实现屏蔽层 9 的可靠接地， 可以消除屏蔽层产生的感应电流的同 时， 也能起到防雷的作用， 提高了电源线缆组件的可靠性； 另外， 本发明 提供的电源线缆组件通过内部注塑及外部注塑， 能保证触件 4与电缆 3的 芯线的可靠连接的同时， 又可使套筒 7、 压环 8等与外环境隔离， 起到环境 防护作用， 进一步的提高了电源线缆的可靠性； 进一步的， 本发明通过压 环 8对接地跳线 10与屏蔽层 9进行均勾压接， 进一步的保证屏蔽层 9的可 靠接地， 提高电源线缆组件的可靠性。 能认定本发明的具体实施只局限于这些说明。 对于本发明所属技术领域的 普通技术人员来说， 在不脱离本发明构思的前提下， 还可以做出若干简单 推演或替换， 都应当视为属于本发明的保护范围。 工业实用性
本发明公开了一种电源线缆组件， 包括连接器、 电缆和接地跳线， 所 述电缆包括芯线和屏蔽层； 所述连接器包括触件， 所述触件的同一端和所 述芯线相连接； 所述接地跳线的一端与所述触件和所述芯线相连接的一端 连接， 另一端与所述屏蔽层连接； 其中， 与所述接地跳线相连接的所述触 件为接地触件。 本发明提供的电源线缆组件通过接地跳线将电缆的屏蔽层 与用于接地的触件或芯线连接， 能实现电缆屏蔽层的可靠接地， 从而提高 电源线缆的可靠性。

Claims

权利要求书
1、 一种电源线缆组件， 包括连接器、 电缆和接地跳线， 所述电缆包括 芯线和屏蔽层；
所述连接器包括触件， 所述触件的同一端和所述芯线相连接； 所述接地跳线的一端与所述触件和所述芯线相连接的一端连接， 另一 端与所述屏蔽层连接； 其中， 与所述接地跳线相连接的所述触件为接地触 件。
2、如权利要求 1所述的组件，其中，所述接地跳线包括至少一根导线。
3、 如权利要求 1所述的组件， 其中， 所述连接器还包括套筒， 所述套 筒贯穿所述触件与所述芯线的连接处， 所述套筒内部具有内模。
4、 如权利要求 3所述的组件， 其中， 所述内模通过注塑完成， 所述内 模为 PE材料。
5、 如权利要求 1至 4任一项所述的组件， 其中， 所述连接器还包括压 环， 所述压环压在所述套筒穿有所述电缆的一端上， 用于压接所述接地跳 线和所述屏蔽层。
6、 如权利要求 5所述的组件， 其中， 所述套筒、 压环以及所述电缆穿 入所述套筒的一端被注塑在一起， 以作为一个整体形成外模。
7、 一种电源线缆组件， 包括电缆， 所述电缆包括接地芯线和屏蔽层； 所述电源线缆组件还包括接地跳线， 所述接地跳线一端与所述接地芯 线相连接， 另一端与所述屏蔽层相连接。
8、如权利要求 7所述的组件，其中，所述接地跳线包括至少一根导线。
9、 如权利要求 7所述的组件， 其中， 所述组件还包括连接器， 所述连 接器包括触件和套筒， 所述触件的一端与所述电缆的芯线相连， 另一端与 所述连接器相配合的插头连接； 所述套筒贯穿所述触件与所述电缆的芯线 的连接处， 所述套筒内部具有内模。
10、 如权利要求 9所述的组件， 其中， 所述连接器还包括压环， 所述 压环压在所述套筒穿有所述电缆的一端上， 用于压接所述接地跳线和所述 屏蔽层。
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CN109361076A (zh) * 2018-11-23 2019-02-19 乐清市八达光电科技股份有限公司 一种并线器及其制造方法
CN111490391A (zh) * 2019-01-28 2020-08-04 新海洋精密组件（江西）有限公司 线缆连接器组件及其组装方法
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