WO2013071878A1 - 一种盲插连接器、单板及相关设备和系统 - Google Patents

一种盲插连接器、单板及相关设备和系统 Download PDF

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Publication number
WO2013071878A1
WO2013071878A1 PCT/CN2012/084727 CN2012084727W WO2013071878A1 WO 2013071878 A1 WO2013071878 A1 WO 2013071878A1 CN 2012084727 W CN2012084727 W CN 2012084727W WO 2013071878 A1 WO2013071878 A1 WO 2013071878A1
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Prior art keywords
plug connector
blind plug
conductive
conductor
single board
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PCT/CN2012/084727
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English (en)
French (fr)
Inventor
尚志伟
龚坚
孙伟华
王希山
杨波
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华为技术有限公司
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Publication of WO2013071878A1 publication Critical patent/WO2013071878A1/zh

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Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/02Contact members
    • H01R13/22Contacts for co-operating by abutting
    • H01R13/24Contacts for co-operating by abutting resilient; resiliently-mounted
    • H01R13/2407Contacts for co-operating by abutting resilient; resiliently-mounted characterized by the resilient means
    • H01R13/2414Contacts for co-operating by abutting resilient; resiliently-mounted characterized by the resilient means conductive elastomers
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R24/00Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
    • H01R24/38Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts
    • H01R24/40Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts specially adapted for high frequency
    • H01R24/50Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts specially adapted for high frequency mounted on a PCB [Printed Circuit Board]

Definitions

  • the present invention relates to the field of electronic technology, and more particularly to blind plug connectors, boards, and related devices and systems.
  • blind plug connectors are used more and more widely.
  • blind plug connectors include inner and outer conductors connected through a conductive loop. When the blind plug connector is connected with other devices, the blind plug connector The inner and outer conductors need to be in electrical contact with other equipment for RF transmission.
  • connection between the blind plug connector and the single board of other devices is mainly inserted into and matched with each other by another plurality of devices, or the blind plug connector and other devices are realized by the intermediate adapter rod or the auxiliary floating body deflection.
  • the radial tolerance between the boards is achieved and the axial tolerance is achieved by inserting different depths.
  • the connection between the existing blind plug connector and the board of other devices requires other intermediate devices, so that the tolerance capability, especially the axial tolerance capability, is limited by the intermediate device, resulting in the blind plug connector. Application is limited.
  • the present invention provides a blind plug connector, a single board, and related devices and systems that improve the tolerance between the blind plug connector and other devices.
  • a blind plug connector includes an inner conductor and an outer conductor connected by a conductive loop; and an electrically conductive elastomer is disposed at an end of the inner conductor and the outer conductor, respectively.
  • Another aspect of the present invention provides a single board for connecting a blind plug connector
  • Positions of the single board contacting the inner conductor and the outer conductor in the blind plug connector are respectively set Having a first conductive region and a second conductive region;
  • the blind plug connector includes an inner conductor and an outer conductor connected by a conductive loop; and an electrically conductive elastomer is disposed at an end of the inner conductor and the outer conductor, respectively.
  • Another aspect of the invention also provides an integrated antenna comprising a blind plug connector and a single board, the blind plug connector comprising an inner conductor and an outer conductor connected by a conductive loop; at the ends of the inner conductor and the outer conductor The portions are respectively provided with a conductive elastomer;
  • a position of the single board contacting the inner conductor and the outer conductor of the blind plug connector is respectively provided with a first conductive area and a second conductive area.
  • Another aspect of the present invention also provides a base station including the integrated antenna.
  • Another aspect of the present invention also provides a communication system including the base station.
  • the first conductive area and the second conductive area are respectively disposed at positions of the single-board connected to the blind-mate connector and the inner conductor and the outer conductor in the blind-mate connector, so that the When the single board is connected to the blind plug connector, other intermediate devices may not be used for connection, but the direct contact type is used for the radial contact, and the inner conductor and the outer conductor end are in the blind plug connector.
  • the part is provided with a conductive elastomer, which increases the axial tolerance between the blind plug connector and other devices, so that the tolerance between them is not limited by the intermediate device, and the blind plug connector and other are improved. The tolerance between the devices.
  • FIG. 1 is a schematic structural view of a contact surface of a blind plug connector and a single board according to an embodiment of the present invention
  • FIG. 2 is a side view of a blind plug connector according to an embodiment of the present invention
  • 2b is another side view of a blind plug connector according to an embodiment of the present invention.
  • FIG. 3 is a schematic structural view of a single board connected to a blind plug connector according to an embodiment of the present invention
  • FIG. 4 is a schematic structural view of a blind plug connection and a single board contact according to an embodiment of the present invention
  • the embodiment of the present invention provides a blind plug connector 10, wherein FIG. 1 is a schematic structural view of a side of the blind plug connector 10 in contact with a single board in other devices. 2a is a side view of the blind plug connector 10, the broken line portion in Fig. 2a is the portion of the blind plug connector 10 that is not visible from the side, and Fig. 2b is another side view of the blind plug connector 10.
  • the blind plug connector 10 includes:
  • An inner conductor 101 and an outer conductor 102 connected by a conductive loop are respectively provided with a conductive elastomer 203 at the ends of the inner conductor 101 and the outer conductor 102 in the blind plug connector 10,
  • a flexible body and a conductive mixture of conductive particles and a rubber body or a spring or a spring piece, etc. so that the blind plug connector 10 and the single board of other equipment are fully connected in a range of the axial direction, thereby increasing blind insertion.
  • the axial tolerance between the connector 10 and the boards of other devices where the axial direction is parallel to the direction in which the blind plug connector 10 is in contact with the boards of other devices, ie, perpendicular to other devices and blind plug connectors. The direction of the board that makes electrical contact.
  • the outer conductor 102 can be an annular conductor, and the inner conductor 101 is a columnar conductor, in the center of the outer conductor 102, and the inner conductor 101 and the outer conductor 102 are disposed in one groove;
  • the conductive loop connecting the inner conductor 101 and the outer conductor 102 is disposed inside the blind plug connector 10 and is a structure that is not visible from the recess.
  • the blind plug connector in this embodiment can be used for coaxial connection.
  • the blind plug connector in this embodiment includes an inner conductor and an outer conductor connected by a conductive loop, and a conductive elastic body is respectively disposed at an end of the inner conductor and the outer conductor, so that the blind plug connector and other devices are provided.
  • the boards are fully connected in one axial range, increasing the axial tolerance between the blind plug connector and the board of other equipment.
  • the embodiment of the present invention further provides a board connected to the blind plug connector, and a device including the board. The structure is shown in FIG. 3, and the device may include the board 20 and other necessary components (there is no Shown that the first conductive region 201 (the portion filled with dots in FIG.
  • the obliquely filled portion), and the region 203 between the first conductive region 201 and the second conductive region 202 on the single board 20 may be provided without any device, or may be provided with an insulator such that the first conductive region 201 and the second conductive region The bodies 202 are separated.
  • the inner conductor and the outer conductor may be coupled with the single board to form a radio frequency transmission, and the coupling manner is a surface contact type.
  • the device connected to the blind plug connector may be a radio remote device including a single board, such as a radio remote unit (RRU), or an antenna unit.
  • RRU radio remote unit
  • the shape of the first conductive region 201 and the second conductive region 202 in this embodiment is not limited to the shape in FIG. 3, and it can be ensured that accurate contact is made with the inner conductor and the outer conductor in the blind plug connector, respectively.
  • the inner conductor 101 and the outer conductor 102 connected by a conductive loop are included in the blind plug connector 10.
  • the outer conductor 102 is an annular conductor, and the inner conductor 101 is a columnar conductor. At the center of the outer conductor 102, the inner conductor 101 and the outer conductor 102 are disposed in one groove; and the inner conductor 101 and the outer conductor are connected.
  • the conductive loop of 102 is a structure that is disposed inside the blind plug connector 10 and that is not visible from the recess.
  • the second conductive region 202 disposed on the single board 20 in the device connected thereto may be an area between two concentric circles, and
  • the first conductive region 201 is a center region of two concentric circles.
  • the outer conductor 102 of the blind plug connector 10 is in contact with the second conductive region 202 on the device board 20, and the inner conductor of the connector 10 is blindly inserted.
  • 101 is in contact with the first conductive region 201 on the device board 20 to implement radio frequency transmission.
  • the blind plug connector 10 is directly in contact with the single board 20 in other devices to achieve radial contact between the blind plug connector 10 and the boards of other devices, where the radial direction is parallel to The direction of the veneer 20.
  • the first conductive region 201 and the second conductive region 202 are not limited to being disposed on the surface of the single board 20 as shown in FIG. 4, and may be entirely recessed in the single board 20 as shown in FIG. 5, and may have other settings. the way.
  • the blind plug connector 10 and a single board of other equipment are in a range in the axial direction.
  • Fully internal connection increases the axial tolerance between the blind plug connector 10 and the boards of other devices, where the axial direction is parallel to the direction in which the blind plug connector 10 contacts the boards of other devices, perpendicular to Radial.
  • the first conductive area and the second conductive area are respectively disposed at positions where the inner conductor and the outer conductor in the blind plug connector are in contact with each other in the device connected to the blind plug connector.
  • the direct contact type is used for the radial contact
  • Both the conductor and the outer conductor are provided with an electrically conductive elastomer, which increases the axial tolerance between the blind connector and other devices, so that the tolerance between them is not limited by the intermediate device, which improves the The tolerance between the blind connector and other devices.
  • the embodiment of the present invention further provides an integrated antenna, including a blind plug connector and a single board.
  • the structure of the blind plug connector can be as shown in FIG. 1 , FIG. 2 a and FIG. 2 b
  • the structure of the single board can be as shown in FIG. 3 .
  • the connection between the blind plug connector and the single board is as shown in FIG. 4 or FIG. 5, and is not described herein.
  • the single board in the integrated antenna may be a power amplifier board, and the blind plug connector may be disposed on the duplexer for connecting the duplexer and the power amplifier board, but is not limited thereto.
  • the embodiment of the present invention further provides a base station, including the above-mentioned integrated antenna, the integrated antenna includes a blind plug connector and a single board, wherein the structure of the blind plug connector can be as shown in FIG. 1 , FIG. 2 a and FIG. 2 b .
  • the structure of the board can be as shown in FIG. 3, and the connection between the blind plug connector and the board can be as shown in FIG. 4 or FIG. 5, and is not mentioned here;
  • the blind plug connector can be disposed on the duplexer for connecting the duplexer and the power amplifier board, but is not limited thereto.
  • An embodiment of the present invention further provides a communication system, including the foregoing base station, where the base station includes an integrated antenna.
  • blind plug connectors, boards, and related devices and systems provided by the embodiments of the present invention is only for helping to understand the method and core ideas of the present invention;
  • the present invention is not limited by the scope of the present invention, and the details of the present invention are not limited by the scope of the present invention.

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  • Coupling Device And Connection With Printed Circuit (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)

Abstract

本发明实施例公开了盲插连接器、单板及相关设备和系统,应用于电子技术领域。本发明实施例中,在连接盲插连接器的单板上与盲插连接器中的内导体和外导体接触的位置分别设置有第一导电区和第二导电区,使得该单板与盲插连接器进行连接时可以不要用到其它的中间器件进行连接,而是采用直接接触式的连接方式实现径向接触,且在盲插连接器中内导体与外导体的端部都设置有导电弹性体,增加了盲插连接器与其它设备之间的轴向容差,这样它们之间的容差能力就不会受到中间器件的限制,提高了盲插连接器与其它设备之间的容差。

Description

一种盲插连接器、 单板及相关设备和系统
本申请要求了 2011年 11月 16日提交的, 申请号为 201110363690.3 , 发 明名称为"一种盲插连接器、 单板及相关设备和系统"的中国专利申请的优先 权, 其全部内容通过引用结合在本申请中。
技术领域 本发明涉及电子技术领域, 特别涉及盲插连接器、 单板及相关设备和 系统。
背景技术
在无线技术发展过程中, 盲插连接器的应用越来越广泛, 一般盲插连接 器包括通过导电回路连接的内导体与外导体, 当盲插连接器与其它设备连接 时, 盲插连接器的内导体和外导体需要与其它设备进行电接触, 以进行射频 传输。
现有技术中, 盲插连接器与其它设备的单板之间的连接主要通过另外的 多个器件相互插入配合, 或者依靠中间的转接杆或者辅助浮动体偏转实现盲 插连接器与其它设备的单板之间的径向容差, 且通过插入不同深度实现轴向 容差。 但是现有的盲插连接器与其它设备的单板之间的连接都要用到其它的 中间器件, 这样容差能力特别是轴向容差能力受到中间器件的限制, 导致盲 插连接器的应用受限。
发明内容
本发明提供一种盲插连接器、 单板及相关设备和系统, 提高了盲插连接 器与其它设备之间的容差。
本发明一方面提供的一种盲插连接器, 包括用导电回路连接的内导体和 外导体; 在所述内导体和外导体的端部分别设置有导电弹性体。
本发明另一方面提供一种单板, 用于连接盲插连接器;
所述单板上与所述盲插连接器中的内导体和外导体接触的位置分别设置 有第一导电区和第二导电区;
所述盲插连接器包括用导电回路连接的内导体和外导体; 在所述内导体 和外导体的端部分别设置有导电弹性体。
本发明另一方面还提高一种一体化天线, 包括盲插连接器和单板, 所述盲插连接器包括用导电回路连接的内导体和外导体; 在所述内导体 和外导体的端部分别设置有导电弹性体;
所述单板上与所述盲插连接器中的内导体和外导体接触的位置分别设置 有第一导电区和第二导电区。
本发明另一方面还提供一种基站, 包括所述一体化天线。
本发明另一方面还提供一种通信系统, 包括所述基站。
本发明的不同方面提供的方案中, 在连接盲插连接器的单板上与盲插连 接器中的内导体和外导体接触的位置分别设置有第一导电区和第二导电区, 使得该单板与盲插连接器进行连接时可以不要用到其它的中间器件进行连 接, 而是釆用直接接触式的连接方式实现径向接触, 且在盲插连接器中内导 体与外导体的端部都设置有导电弹性体, 增加了盲插连接器与其它设备之间 的轴向容差, 这样它们之间的容差能力就不会受到中间器件的限制, 提高了 盲插连接器与其它设备之间的容差。
附图说明
为了更清楚地说明本发明实施例或现有技术中的技术方案, 下面将对实 施例或现有技术描述中所需要使用的附图作简单地介绍, 显而易见地, 下面 描述中的附图仅仅是本发明的一些实施例, 对于本领域普通技术人员来讲, 在不付出创造性劳动性的前提下, 还可以根据这些附图获得其他的附图。
图 1是本发明实施例提供的一种盲插连接器与单板接触面的结构示意图; 图 2a是本发明实施例提供的盲插连接器的一个侧面图;
图 2b是本发明实施例提供的盲插连接器的另一个侧面图;
图 3是本发明实施例提供的一种连接盲插连接器的单板的结构示意图; 图 4是本发明实施例提供的一种盲插连接与单板接触的结构示意图; 图 5是本发明实施例提供的另一种盲插连接与单板接触的结构示意图。 具体实施方式
下面将结合本发明实施例中的附图, 对本发明实施例中的技术方案进行 清楚、 完整地描述, 显然, 所描述的实施例仅仅是本发明一部分实施例, 而 不是全部的实施例。 基于本发明中的实施例, 本领域普通技术人员在没有作 出创造性劳动前提下所获得的所有其他实施例 , 都属于本发明保护的范围。 结合图 1和图 2a和图 2b所示,本发明实施例提供一种盲插连接器 10,其中, 图 1为盲插连接器 10与其它设备中的单板所接触一面的结构示意图, 图 2a为盲 插连接器 10的一个侧面图, 图 2a中虚线部分为盲插连接器 10中从该侧面上看 不到的部分, 图 2b为盲插连接器 10的另一个侧面图。 本实施例中, 盲插连接 器 10中包括:
通过导电回路(图中未示出)连接的内导体 101和外导体 102 , 在盲插连 接器 10中的内导体 101和外导体 102的端部分别都设置有导电弹性体 ( elastomer ) 203 , 比如具有弹性能力且具有导电性的导电粒子与橡胶体的混 合体或弹簧或弹片等, 使得盲插连接器 10与其它设备的单板在轴向的一个范 围内进行充分连接,增加了盲插连接器 10与其它设备的单板之间的轴向容差, 这里轴向是平行于盲插连接器 10与其它设备的单板进行接触的方向, 即垂直 于其它设备中与盲插连接器进行电接触的单板的方向。
参考图 2b所示, 其中外导体 102可以呈环状导电体, 而内导体 101呈柱状 导电体, 在外导体 102的圓心区域, 且内导体 101与外导体 102都设置在一个凹 槽中; 而连接内导体 101与外导体 102的导电回路是设置在盲插连接器 10的内 部, 是从凹槽中看不到的结构。
本实施例中的盲插连接器可以用于同轴连接。
可见, 本实施例中的盲插连接器中, 包括用导电回路连接的内导体和外 导体, 并在内导体和外导体的端部分别设置有导电弹性体, 使得盲插连接器 与其它设备的单板在轴向的一个范围内进行充分连接, 增加了盲插连接器与 其它设备的单板之间的轴向容差。 本发明实施例还提供一种与盲插连接器相连的单板, 以及包括该单板的 设备, 结构示意图如图 3所示, 该设备可以包括单板 20及其它必须器件(图 3 中没有示出 ),在单板 20上与盲插连接器中的内导体和外导体接触的位置分别 设置有第一导电区 201 (图 3中用点填充的部分)和第二导电区 202 (图 3中用 斜线填充的部分), 且单板 20上第一导电区 201与第二导电区 202之间的区域 203可以不设置任何器件, 也可以设置有绝缘体, 使得第一导电区 201与第二 导电体 202隔开。 其中, 内导体、 外导体可以与单板耦合形成射频传输, 耦合 方式为表面接触式。盲插连接器连接的设备可以是包括单板的射频远端设备, 如射频拉远单元( Radio Remote Unit, RRU ), 也可以是天线单元。
且本实施例中第一导电区 201与第二导电区 202的形状并不限制于图 3中 的形状, 可以保证分别与盲插连接器中内导体和外导体进行准确接触即可。
例如, 在一个具体的实施例中, 参考图 1和 2所示, 在盲插连接器 10中包 括通过导电回路连接的内导体 101和外导体 102。 其中外导体 102呈环状导电 体, 而内导体 101呈柱状导电体, 在外导体 102的圓心处, 且内导体 101与外导 体 102都设置在一个凹槽中; 而连接内导体 101与外导体 102的导电回路是设置 在盲插连接器 10的内部, 从凹槽中看不到的结构。 对于如图 1和图 2a和图 2b所 示的盲插连接器 10来说, 连接其的设备中的单板 20上设置的第二导电区 202 可以为两个同心圓之间的区域, 且第一导电区 201为两个同心圓的圓心区域。
如图 4所示为当盲插连接器 10与其它设备连接后,盲插连接器 10的外导体 102即与设备单板 20上的第二导电区 202接触,盲插连接器 10的内导体 101即与 设备单板 20上的第一导电区 201接触, 从而实现射频传输。 可见本实施例中是 通过盲插连接器 10与其它设备中单板 20直接进行接触, 来实现盲插连接器 10 与其它设备的单板之间的径向接触, 这里径向是指平行于单板 20的方向。 且 第一导电区 201和第二导电区 202不限于图 4所示的设置在单板 20的表面上,也 可以如图 5所示全部内陷在单板 20中, 还可以有其它的设置方式。
而由于在盲插连接器 10中的内导体 101和外导体 102的端部分别都设置有 导电弹性体(elastomer ) 103 , 使得盲插连接器 10与其它设备的单板在轴向的 一个范围内进行充分连接, 增加了盲插连接器 10与其它设备的单板之间的轴 向容差,这里轴向是平行于盲插连接器 10与其它设备的单板进行接触的方向, 垂直于径向。
可见, 本发明实施例中, 在连接盲插连接器的设备中单板上与盲插连接 器中的内导体和外导体接触的位置分别设置有第一导电区和第二导电区, 使 得该设备的单板与盲插连接器进行连接时可以不要用到其它的中间器件进行 连接, 而是釆用直接接触式的连接方式实现径向接触, 且在盲插连接器中内 导体与外导体的端部都设置有导电弹性体, 增加了盲插连接器与其它设备之 间的轴向容差, 这样它们之间的容差能力就不会受到中间器件的限制, 提高 了盲插连接器与其它设备之间的容差。
本发明实施例还提供一种一体化天线, 包括盲插连接器和单板, 其中盲 插连接器的结构可以如图 1、 图 2a和图 2b所示, 而单板的结构可以如图 3所示, 盲插连接器与单板之间的连接如图 4或图 5所示, 在此不进行赞述。
其中该一体化天线中的单板可以为功率放大器单板, 盲插连接器可以设 置于双工器上, 用于连接双工器和该功率放大器单板, 但并不限于此。
本发明实施例还提供一种基站, 包括上述的一体化天线, 该一体化天线 包括盲插连接器和单板,其中盲插连接器的结构可以如图 1、图 2a和图 2b所示, 而单板的结构可以如图 3所示,盲插连接器与单板之间的连接可以如图 4或图 5 所示, 在此不进行赞述; 其中该一体化天线中的单板可以为功率放大器单板, 盲插连接器可以设置于双工器上, 用于连接双工器和功率放大器单板, 但并 不限于此。
本发明实施例还提供一种通信系统, 包括上述的基站, 该基站中包括一 体化天线。
以上对本发明实施例所提供的盲插连接器、 单板及相关设备和系统, 进 述, 以上实施例的说明只是用于帮助理解本发明的方法及其核心思想; 同时, 对于本领域的一般技术人员, 依据本发明的思想, 在具体实施方式及应用范 围上均会有改变之处, 综上所述, 本说明书内容不应理解为对本发明的限制。

Claims

权利 要求
1、 一种盲插连接器, 其特征在于, 包括用导电回路连接的内导体和外导 体; 在所述内导体和外导体的端部分别设置有导电弹性体。
2、 如权利要求 1所述的盲插连接器, 其特征在于, 所述导电弹性体为导 电粒子与橡胶体的混合体, 或所述导电弹性体为弹簧或弹片。
3、 如权利要求 1或 2所述的盲插连接器, 其特征在于,
所述内导体与外导体设置在所述盲插连接器的一个凹槽中; 所述外导体 呈环状导电体, 所述内导体呈柱状导电体, 且所述内导体在外导体的圓心区 域。
4、 一种单板, 其特征在于, 用于连接如权利要求 1至 3任一项所述盲插连 接器;
所述单板上与所述盲插连接器中的内导体和外导体接触的位置分别设置 有第一导电区和第二导电区。
5、 如权利要求 4所述的单板, 其特征在于, 在所述单板上且在所述第一 导电区与第二导电区之间设置有绝缘体。
6、 如权利要求 4或 5所述的单板, 其特征在于, 所述第二导电区为两个同 心圓之间的区域, 所述第一导电区为所述两个同心圓的圓心区域。
7、 一种一体化天线, 其特征在于, 包括如权利要求 1至 3中任意一项所述 的盲插连接器和如权利要求 4至 6中任意一项所述的单板。
8、 如权利要求 7所述的一体化天线, 其特征在于, 所述单板为功率放大 器单板, 所述盲插连接器用于连接双工器和所述功率放大器单板。
9、 一种基站, 其特征在于, 包括如权利要求 7或 8所述的一体化天线。
10、 一种通信系统, 其特征在于, 包括如权利要求 9所述的基站。
PCT/CN2012/084727 2011-11-16 2012-11-16 一种盲插连接器、单板及相关设备和系统 WO2013071878A1 (zh)

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