WO2011076138A1 - 连接器、电路板以及电路板连接结构 - Google Patents

连接器、电路板以及电路板连接结构 Download PDF

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Publication number
WO2011076138A1
WO2011076138A1 PCT/CN2010/080209 CN2010080209W WO2011076138A1 WO 2011076138 A1 WO2011076138 A1 WO 2011076138A1 CN 2010080209 W CN2010080209 W CN 2010080209W WO 2011076138 A1 WO2011076138 A1 WO 2011076138A1
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WIPO (PCT)
Prior art keywords
connector
circuit board
hole
mounting
conductor
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Application number
PCT/CN2010/080209
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English (en)
French (fr)
Inventor
徐灏文
尚志伟
林嘉铁
贺乐君
周义兴
Original Assignee
华为技术有限公司
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Application filed by 华为技术有限公司 filed Critical 华为技术有限公司
Publication of WO2011076138A1 publication Critical patent/WO2011076138A1/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
    • H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
    • H01R12/70—Coupling devices
    • H01R12/71—Coupling devices for rigid printing circuits or like structures
    • H01R12/72—Coupling devices for rigid printing circuits or like structures coupling with the edge of the rigid printed circuits or like structures
    • H01R12/73—Coupling devices for rigid printing circuits or like structures coupling with the edge of the rigid printed circuits or like structures connecting to other rigid printed circuits or like structures
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
    • H01R24/38—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts
    • H01R24/40—Two-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
    • H01R24/50—Two-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 technologies, and in particular, to a connector, a circuit board, and a circuit board connection structure. Background technique
  • the RF module is an important function module for communication through radio frequency signals.
  • the RF module is placed on the circuit board.
  • the performance of the RF signal transmitted between the RF modules is directly related to the reliability, cost, and signal of the RF module. Quality and indicators and many other aspects.
  • the RF modules are mainly connected by a cable jumper, a flexible PCB (Pr inted Ci rcui t Board), a common PCB or a blind plug connector, wherein: the blind plug connector is highly efficient in assembly.
  • a connector with good signal quality and easy quality control has outstanding advantages and is widely used in the industry.
  • the conventional blind plug connector includes an outer conductor 1 having a mounting through hole 3, an inner conductor 2 located in the mounting through hole 3, and an inner conductor 2 and a mounting through hole 3.
  • the insulator 4 between the hole walls, the outer conductor 1 and the inner conductor 2 are made of a conductor material, and the outer conductor 1 has a connection recess 14 at its edge, and one end of the inner conductor 2 extends from the connection recess 14 to the outer conductor 1 .
  • An end surface of the outer conductor 1 having one end of the connection recess 14 is abutted against the circuit board 7.
  • connection recess 14 One end of the inner conductor 2 extending from the connection recess 14 is soldered to the pad 5 of the circuit board 7, and the inner conductor 2 is soldered thereto. Pad 5. Electrical connection to the circuit board 7 and the RF module connected to the pad 5 is achieved. The pad 5 is connected to the RF module through a wire that is integral with it.
  • the two blind plug connectors When the two blind plug connectors are electrically connected to the pads 5 on the opposite circuit boards, respectively, the two blind plug connectors are electrically connected by the connecting member 8, and the connecting members 8 are insulated from each other and are tubular.
  • the outer conductors are electrically connected by the outer core 802; the outer conductor 1 of the two blind plug connectors forms an electromagnetic shielding cavity between the outer core 802 of the connecting member 8 and the top copper of the circuit board 7, and the inner conductor 2 transmits When the RF signal is used, the influence of other surrounding electronic components on the RF signal can be avoided.
  • connection recess 14 and the inner conductor 2 are There must be a certain gap between the outer conductor 1 and the outer core 802 of the connecting member 8 and the electromagnetic shielding cavity formed between the outer copper of the circuit board 7, which directly affects the sealing property of the electromagnetic shielding cavity, resulting in
  • the existing blind plug connector has poor electromagnetic shielding effect, and can not effectively avoid the influence of other surrounding electronic devices on the transmission performance of the radio frequency signal, which in turn leads to an unsatisfactory transmission effect of the radio frequency signal.
  • the embodiment of the invention provides a connector, a circuit board and a circuit board connection structure, which solves the technical problem that the electromagnetic shielding effect of the existing blind plug connector is relatively poor, and the radio frequency signal transmission effect is not ideal.
  • One aspect of the present invention provides a connector including an insulator between an outer hole wall in which a through hole is formed, and one end of the inner conductor extends in an axial direction of the mounting through hole Said outer conductor.
  • circuit board including a circuit board having a pad and a connector provided by the above-described embodiment of the present invention provided on the circuit board, wherein:
  • a connecting hole is defined in the pad, and one end of the inner conductor extending from the outer conductor is inserted into the connecting hole and electrically connected to the pad, and the outer conductor and the surrounding area of the connecting hole
  • the boards are abutted and grounded.
  • Another aspect of the present invention provides a circuit board connection structure comprising two circuit boards provided by the above embodiments of the present invention, wherein one of the circuit board connectors is connected to another circuit board through a connector Electrical connection, wherein: one of the inner conductors of the connector on the circuit board is electrically connected to the inner conductor of the other connector on the circuit board through the inner core;
  • the outer conductor of one of the connectors on the circuit board is electrically connected to the outer conductor of the connector on the other of the circuit boards via the outer core.
  • any technical solution provided by the present invention provides the following advantages:
  • connection recess Since the inner conductor of the embodiment of the present invention extends from the axial direction of the mounting through hole to the outer conductor, the connection recess is not required to be formed on the outer conductor by using the prior art, which saves the process of opening the connection recess and is more convenient to manufacture;
  • the inner conductor is electrically connected to the pad after the one end of the inner conductor extending out of the outer conductor is inserted into the connection hole.
  • the connectors on the two circuit boards can be connected through the connector.
  • the RF signal can pass through the internal guide of the two connectors. The body and the inner core of the connector are transported.
  • the electromagnetic shielding cavity is more complete and has better sealing performance, so the electromagnetic shielding effect is better than the prior art, and the effect of other surrounding electronic devices on the transmission effect of the radio frequency signal can be more effectively avoided, thereby
  • the transmission effect of the RF signal is ensured to be relatively good, so that the electromagnetic shielding effect of the existing blind plug connector is relatively poor, and the transmission effect of the RF signal is not ideal.
  • FIG. 1 is a schematic view showing a three-dimensional structure of a conventional connector
  • FIG. 2 is a schematic diagram showing the relationship between a conventional connector and a circuit connection between two different circuit boards
  • FIG. 3 is a cross-sectional view of a connector according to an embodiment of the present invention.
  • FIG. 4 is a schematic view showing an assembly relationship between an insulator and an inner conductor in a connector according to an embodiment of the present invention
  • FIG. 5 is a schematic perspective structural view of an inner and outer conductor of a connector according to an embodiment of the present invention
  • FIG. 6 is a schematic diagram of a connector for implementing a circuit connection between two different circuit boards according to an embodiment of the present invention
  • Figure ⁇ is a schematic diagram showing the circuit connection between the existing two connectors and the two connectors provided by the embodiment of the present invention.
  • FIG. 8 is a schematic diagram of a connector for implementing a circuit connection between two different pads according to an embodiment of the present invention.
  • the embodiments of the present invention are described in detail below with reference to the accompanying drawings.
  • the embodiment of the invention provides a connector with better electromagnetic shielding effect, better transmission effect of the radio frequency signal, a circuit board provided with the connector and a circuit board connection structure provided with the connector.
  • the connector provided by the embodiment of the present invention includes the outer conductor 1 as shown in FIG. 5, and the outer conductor 1 is provided with a through hole 3 as shown in FIG. 3, the inner conductor 2 as shown in FIG.
  • the insulator 4 is disposed in the mounting through hole 3 and between the inner conductor 2 and the hole wall of the mounting through hole 3. One end of the inner conductor 2 extends out of the outer conductor 1 in the axial direction of the mounting through hole 3.
  • connection recess 14 Since one end of the inner conductor 2 provided in the embodiment of the present invention extends out of the outer conductor 1 in the axial direction of the mounting through hole 3, it is not necessary to open the connecting recess 14 as shown in FIG. 1 in the prior art, and the description is omitted.
  • the manufacturing process of opening the connection recess 14 is simpler in structure, easy to assemble and simpler in manufacturing process.
  • the insulator 4 is formed in a ring shape or a tubular shape, and the inner conductor 2 is provided through the insulator 4.
  • the insulator 4 of such a shape is easily mounted in the outer conductor 1 as shown in Fig. 5 by plugging, and at the same time, it is convenient to mount the inner conductor 2 in the insulator 4 in a plugged manner.
  • the axial line of the through hole 3 is overlapped with the axial line of the insulator 4. This structure makes it possible to grasp the outer conductor 1 of the inner conductor 2 when it is gripped, and the weight is relatively uniform everywhere, which is convenient for grasping. At the same time, the inner conductor 2 is mounted on the axial center of the insulator 4, and the inner conductor 2 is also facilitated. The pads 5 in the schematic shown in Figure 6 are aligned.
  • the inner conductor 2 has a rod shape, a column shape or a tube shape. It is easy to manufacture in a rod shape, a column shape or a tubular shape, and is easily mounted in a plugged manner. In this embodiment, the inner conductor 2 has a rod shape.
  • the outer conductor 1 includes an abutting portion 10 and a connecting portion 1 1 connected to the abutting portion 10, and the mounting through hole 3 includes a first mounting through hole which is connected to each other and is opened on the abutting portion 10 as shown in FIG. 30 and a second mounting through hole 31 formed in the connecting portion 1 1 , the radial dimension of the outer contour of the abutting portion 10 is larger than the connecting portion 11.
  • the first mounting through hole 30 has a larger aperture size than the second mounting through hole 31.
  • the insulator 4 is embedded in the 4 yoke portion 10 and its rim abuts against the inner wall of the first mounting through hole 30.
  • the insulator 4 forms an interference fit with the inner wall of the first mounting through hole 30, and the interference fit ensures that the insulator 4 is more firmly fixed in the abutting portion 10 and is not easily loosened.
  • the circuit board provided with the connector provided by the embodiment of the present invention includes:
  • connection hole 9 is formed in the pad 5, and one end of the inner conductor 2 extending from the outer conductor 1 is inserted into the connection hole 9 and electrically connected to the pad 5, and the outer conductor 1 abuts against the circuit board 7 around the connection hole 9 and Ground.
  • connection hole 9 is plated with a metal layer 91 connected to the pad 5. Then, the inner conductor 2 and the metal layer 91 on the wall of the hole of the connecting hole 9 are welded together using a soldering process to form a relatively reliable electrical connection structure. Since the soldering process generates a lot of heat, in order to facilitate heat dissipation at the pad 5, at least one heat dissipation hole 41 as shown in FIG. 3 can be opened on the insulator 4.
  • the abutting portion 10 of the outer conductor 1 in this embodiment abuts against the circuit board 7 and is electrically connected to the grounding means on the circuit board 7.
  • the grounding device on the circuit board 7 in this embodiment may be a grounded pad or a grounded wire or other electronic device.
  • the outer dimension of the abutting portion 10 has a larger radial dimension than the connecting portion 1 .
  • the abutting area is larger, and the structure formed by the abutting is more stable.
  • the aperture size of the first mounting through hole 30 When the second through hole 31 is larger than the second mounting through hole 31, it is more convenient to mount the insulator 4 in the first mounting through hole 30. Referring to FIG.
  • the pad 5 includes a first pad 51 and a second pad 52.
  • the connector includes a first connector 1 21 disposed on the first pad 51 and a second solder.
  • the second connector 122 on the disk 52, the first connector 121 and the second connector 122 are electrically connected by a connector 8; wherein: the connector 8 includes an inner core 81 as shown in FIG. 6 and surrounds the inner core 81 and The outer core 82 of the inner core 81 is insulated from each other, and the inner conductor 2 of the first connector 121 is electrically connected to the inner conductor 2 of the second connector 122 through the inner core 81; the outer conductor 1 of the first connector 121 passes through the outer core 82 and The outer conductor 1 of the second connector 122 is electrically connected.
  • the inner conductor 2 and the pad 5 are extended after the inner conductor 2 extends out of the outer conductor 1 and the end of the outer conductor 1 is inserted into the connection hole 9. Electrically connected, when the outer conductor 1 abuts against the circuit board 7 around the connection hole 9 and is grounded, the connectors on the two circuit boards 12 1 , 122 are connected by the connector 8 , and at this time, the radio frequency signal can pass through two The inner conductor 1 of the connector and the inner core 81 of the connector 8 are transported. Meanwhile, since the outer conductor 1 does not have the connection recess 14 as shown in FIG. 1, the top copper of the circuit board 7 is connected to the circuit board 7.
  • the outer conductor of the device 1 and the outer core 82 of the connecting member 8 form an electromagnetic shielding cavity which is more complete and more sealed than the prior art, so that the electromagnetic shielding effect is better and can be more effective than the prior art.
  • the existing blind plug connector has a relatively poor electromagnetic shielding effect, and the radio frequency signal transmission effect is not ideal.
  • the connector 8 can be a cable.
  • the cable includes a wire 83 and a cable connector 84 disposed at two ends of the wire 83.
  • the cable connector 84 is mounted on the connector and directly contacts the outer conductor 1 and the inner conductor 2 of the connector to form an electrical connection.
  • the cable is A connector with strong flexibility and stable transmission of radio frequency signals is suitable for transmitting radio frequency signals between two connectors.
  • the two connectors on the first pad 51 and the second pad 52 of the circuit board 7 in this embodiment may be the connectors provided by the above invention as shown in FIG. 8, or may be as shown in FIG. Only one It is the connector provided by the above invention.
  • the embodiment of the present invention further provides a circuit board connection structure, comprising at least two circuit boards provided with the connector as shown in FIG. 7 or FIG. 8 provided by the embodiment of the present invention, and the circuit board is provided in this embodiment.
  • the connection structure includes two circuit boards provided with connectors as shown in FIG. 7 or FIG. 8 provided by the above embodiments of the present invention, and is described as an example.
  • the connector on one of the circuit boards 71 in the circuit board connection structure of the present embodiment is electrically connected to the connector on the other circuit board 72 through the connector 8, wherein: the connector 8 includes the inner core 81 and An outer core 82 surrounding the inner core 81 and insulated from the inner core 81, the inner conductor 2 of the connector on the circuit board 71 is electrically connected to the inner conductor 2 of the connector on the circuit board 72 via the inner core 81; on the circuit board 71 The outer conductor of the connector is electrically coupled to the outer conductor of the connector on circuit board 72 by outer core 82.
  • circuit board connection structure in this embodiment may also include more than two circuit boards provided with connectors provided by the above embodiments of the present invention.
  • the connectors on some of the boards can be electrically connected to the connectors on other parts of the board by one or more connectors with multiple branches.
  • circuit board connection structure of the embodiment of the present invention has the same specific technical features as the circuit board provided with the connector provided by the embodiment of the present invention, the same technical problem can be solved and the same technical effect can be obtained.
  • the connecting member 8 can be a cable or a blind plug connecting rod, and the principle of the blind plug connecting rod is similar to that of the cable.
  • the blind plug connecting rod is a connection with strong rigidity, high strength and stable radio frequency signal transmission performance. It is also suitable for transmitting RF signals between two connectors.
  • the connecting hole 9 is a through hole.
  • the connecting hole 9 is a through hole.
  • the inner conductor 2 can extend out of the connecting hole 9 in the axial direction of the mounting through hole 3, so the plug Installation is more convenient.
  • the circuit board 7 housing is provided with a structural member 12 or a housing.
  • the structural member 12 or housing functions as a circuit board 7 in which the positioning and protective cover are disposed.
  • the outer cover of the circuit board 7 is provided with a structural member 12, and a side of the structural member 12 close to the inner conductor 2 is further provided with a recess 13 3, and a side wall of the recess 13 and a gap between the bottom surface and the inner conductor 2 are present.
  • the influence of the structural member 12 on the end of the inner conductor 2 extending out of the connecting hole 9 is avoided, which facilitates the mounting of the inner conductor 2.

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  • Coupling Device And Connection With Printed Circuit (AREA)
  • Combinations Of Printed Boards (AREA)

Description

连接器、 电路板以及电路板连接结构 本申请要求了 2009年 12月 25日提交的， 申请号为 200920274170.3， 实 用新型名称为 "连接器、 设有连接器的电路板以及电路板连接结构" 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， 具体涉及一种连接器、 电路板以及电路板连 接结构。 背景技术
射频模块是一种通过射频信号进行通信的重要的功能模块， 射频模块设 置于电路板之上， 射频模块之间传输射频信号的性能的优劣， 直接关系到射 频模块的可靠性、 成本、 信号质量和指标等多个方面。
目前，射频模块之间主要通过线缆跳线、软性 PCB( Pr inted Ci rcui t Board 印制电路板）、 普通 PCB或盲插连接器相连接， 其中： 盲插连接器是装配效率 高、 信号质量较好、 且质量较易控制的一种连接器， 其优点十分的突出， 所 以在业界被普遍使用。
如图 1和图 2所示， 现有的盲插连接器， 包括开设有安装通孔 3的外导 体 1、 位于安装通孔 3内的内导体 2以及嵌于内导体 2与安装通孔 3的孔壁 之间的绝缘体 4， 外导体 1、 内导体 2均为导体材料制成， 外导体 1的边沿处 开设有连接凹口 14， 内导体 2的一端从连接凹口 14延伸出外导体 1。 外导体 1开设有连接凹口 14的一端的端面抵靠于电路板 7上， 内导体 2延伸出连接 凹口 14的一端焊接于电路板 7的焊盘 5上， 内导体 2通过与其相焊接的焊盘 5， 实现与电路板 7以及与焊盘 5相连的射频模块的电连接。 焊盘 5通过与其 为一体式结构的导线与射频模块相连。
当两个盲插连接器分别与位置相对的两个电路板上的焊盘 5 电连接时， 两个盲插连接器之间通过连接件 8电连接， 连接件 8包括彼此绝缘且均呈管 状的内芯 801与外芯 802， 内芯 801位于外芯 802之内且内芯 801与外芯 802 之间填充有绝缘材料， 两个盲插连接器的内导体之间通过内芯 801 电连接， 外导体之间通过外芯 802电连接； 两个盲插连接器的外导体 1与连接件 8的 外芯 802、 电路板 7的顶层铜皮之间形成一个电磁屏蔽腔， 内导体 2传输射 频信号时， 可以避免周围其他电子器件对射频信号的影响。
本发明人在实现本发明的过程中发现， 由于现有的盲插连接器内如图 2 所示的内导体 2的一端要从连接凹口 14引出， 则连接凹口 14与内导体 2之 间必然存在一定间隙， 该间隙会成为外导体 1与连接件 8的外芯 802、 电路 板 7的顶层铜皮之间所形成的电磁屏蔽腔的漏洞， 直接影响电磁屏蔽腔的封 闭性， 导致现有的盲插连接器电磁屏蔽效果比较差， 无法有效避免周围其他 电子器件对射频信号传输性能的影响， 进而会导致射频信号的传输效果不够 理想。
发明内容
本发明实施例提供了一种连接器、 电路板和电路板连接结构， 解决了现 有的盲插连接器电磁屏蔽效果比较差， 导致射频信号的传输效果不够理想的 技术问题。
本发明一方面给出了一种连接器， 该连接器， 包括开设有安装通孔的外 孔壁之间的绝缘体， 所述内导体的一端沿所述安装通孔的轴向方向延伸出所 述外导体。
本发明另一方面给出了一种电路板， 包括固设有焊盘的电路板以及设于 所述电路板上的上述本发明实施例所提供的连接器， 其中：
所述焊盘上开设有连接孔， 延伸出所述外导体的内导体的一端插接于所 述连接孔内且与所述焊盘电连接， 所述外导体与所述连接孔周围的所述电路 板相抵靠且接地。
本发明另一方面给出了一种电路板连接结构， 包括两个上述本发明实施 例所提供的电路板， 其中一个所述电路板上连接器通过连接件与另一个所述 电路板上连接器电连接， 其中： 其中一个所述电路板上连接器的内导体通过所述内芯与另一个所述电路板上 连接器的内导体电连接；
其中一个所述电路板上连接器的外导体通过所述外芯与另一个所述电路 板上连接器的外导体电连接。
与现有技术相比， 本发明所提供上述技术方案中的任一技术方案具有如 下优点：
由于本发明实施例所提供的内导体的一端沿安装通孔的轴向方向延伸出 外导体， 无需采用现有技术在外导体上开设连接凹口， 节省了开设连接凹口 的工艺， 更便于制造；
而且， 当采用本发明实施例所提供的连接器应用于在电路板之间传输射 频信号时， 将内导体延伸出外导体的一端插接于连接孔内后， 内导体与焊盘 电连接， 外导体与连接孔周围的电路板相抵靠且接地时， 便可通过连接件将 两个电路板上连接器连接起来， 此时， 射频信号可以通过两个连接器的内导 体以及连接件的内芯进行传输， 同时， 由于外导体上没有连接凹口， 所以电 路板的顶层铜皮与两个电路板上连接器的外导体以及连接件的外芯之间会形 成一个比现有技术更为完整、 封闭性更好的电磁屏蔽腔， 所以与现有技术相 比电磁屏蔽效果更好， 进而能够更有效的避免周围其他电子器件对射频信号 的传输效果的影响， 从而保证射频信号的传输效果比较好， 所以解决了现有 的盲插连接器电磁屏蔽效果比较差， 导致射频信号的传输效果不够理想的技 术问题。
附图说明
图 1为现有的连接器立体结构的示意图；
图 2为现有的连接器在不同的两个电路板之间实现电路连接的关系示意 图；
图 3为本发明实施例所提供的连接器的剖视示意图；
图 4为本发明实施例所提供的连接器内绝缘体与内导体的组装关系示意 图；
图 5为本发明实施例所提供的连接器内外导体的立体结构示意图； 图 6为本发明实施例所提供的连接器在不同的两个电路板之间实现电路 连接的示意图；
图 Ί为现有的连接器与本发明实施例所提供的连接器一起在不同的两个 焊盘之间实现电路连接的示意图；
图 8为本发明实施例所提供的连接器在不同的两个焊盘之间实现电路连 接的示意图。
具体实施方式
下面结合附图对本发明实施例进行详细描述。 本发明实施例提供了一种电磁屏蔽效果比较好， 射频信号的传输效果更 为理想的连接器、 一种设有该连接器的电路板以及一种设有该连接器的电路 板连接结构。
本发明实施例所提供的连接器， 包括如图 5所示的外导体 1， 该外导体 1 开设有如图 3所示安装通孔 3， 如图 4所示的内导体 2， 该内导体 2位于安装 通孔 3内， 以及嵌于内导体 2与安装通孔 3的孔壁之间的绝缘体 4， 内导体 2 的一端沿安装通孔 3的轴向方向延伸出外导体 1。
由于本发明实施例所提供的内导体 2的一端沿安装通孔 3的轴向方向延 伸出外导体 1，无需于外导体 1上开设如现有技术中图 1所示的连接凹口 14， 省略了开设连接凹口 14的制造工艺， 结构更为简单， 便于装配而且制造工艺 更为简单。
如图 4所示， 绝缘体 4呈圈状或管状， 内导体 2贯穿设置于绝缘体 4上。 这种形状的绝缘体 4便于采用插接的方式安装在如图 5所示的外导体 1之内， 同时， 也方便在绝缘体 4内以插接的方式安装内导体 2。
安装通孔 3的轴心线与绝缘体 4的轴心线重叠。 这种结构可以使抓捏安 装有内导体 2的外导体 1时， 各处重量比较均匀， 方便抓捏， 同时， 内导体 2安装于绝缘体 4的轴心线位置， 也方便将内导体 2与图 6所示示意图中的 焊盘 5对齐。
内导体 2呈杆状、 柱状或管状。 呈杆状、 柱状或管状方便制造， 而且便 于以插接的方式安装， 本实施例中内导体 2呈杆状。
外导体 1包括抵靠部 1 0以及与抵靠部 1 0相连的连接部 1 1， 安装通孔 3 包括互相连通且开设于抵靠部 1 0上如图 3所示的第一安装通孔 30以及开设 于连接部 1 1上的第二安装通孔 31， 抵靠部 1 0外轮廓的径向尺寸大于连接部 11， 第一安装通孔 30的孔径尺寸大于第二安装通孔 31。
绝缘体 4嵌于 4氐靠部 1 0内且其边沿与第一安装通孔 30的内壁相 4氐靠。 该结构中绝缘体 4与第一安装通孔 30的内壁相 ·ί氏靠而形成过盈配合，过盈配 合可以保证绝缘体 4在抵靠部 10内固定的更为牢固、 不易松脱。
如图 6所示， 本发明实施例所提供的设有连接器的电路板， 包括固设有 其中：
焊盘 5上开设有连接孔 9，延伸出外导体 1的内导体 2的一端插接于连接 孔 9内且与焊盘 5电连接， 外导体 1与连接孔 9周围的电路板 7相抵靠且接 地。 特征， 所以也能产生相同的技术效果， 解决相同的技术问题。
如图 6所示，本实施例中为了增强焊盘 5与内导体 2之间电连接可靠性， 钻或铳出连接孔 9之后， 将连接孔 9电镀上与焊盘 5相连的金属层 91， 然后 使用焊接工艺将内导体 2与连接孔 9的孔壁上的金属层 91焊接在一起而形成 比较可靠的电连接结构。 由于焊接工艺会产生不少热量， 为有利于焊盘 5处 散热， 绝缘体 4上还可以开设至少一个如图 3所示的散热孔 41。
如图 3所示，本实施例中外导体 1的抵靠部 10与电路板 7相抵靠且与电 路板 7上的接地器件电连接。 本实施例中电路板 7上的接地器件可以为接地 的焊盘， 也可以是接地的导线或其他电子器件。抵靠部 10外轮廓的径向尺寸 大于连接部 1 1， 其与电路板 7相抵靠时， 抵靠面积更大， 抵靠而形成的结构 更为稳固， 第一安装通孔 30的孔径尺寸大于第二安装通孔 31时， 在第一安 装通孔 30内安装绝缘体 4更为方便。 请一并参阅图 Ί和图 8， 焊盘 5包括第一焊盘 51和第二焊盘 52， 连接器 包括设于第一焊盘 51上的第一连接器 1 21以及设于第二焊盘 52上的第二连 接器 122， 第一连接器 121与第二连接器 122通过连接件 8电连接； 其中： 连接件 8包括如图 6所示的内芯 81以及环绕内芯 81且与内芯 81互相绝缘的 外芯 82， 第一连接器 121的内导体 2通过内芯 81与第二连接器 122的内导 体 2电连接；第一连接器 121的外导体 1通过外芯 82与第二连接器 122的外 导体 1电连接。 当采用本发明实施例所提供的连接器应用于在电路板 7之间 传输射频信号时， 将内导体 2延伸出外导体 1的一端插接于连接孔 9内后， 内导体 2与焊盘 5电连接， 外导体 1与连接孔 9周围的电路板 7相抵靠且接 地时， 通过连接件 8将两个电路板 12 1、 122上的连接器连接起来， 此时， 射 频信号可以通过两个连接器的内导体 1以及连接件 8的内芯 81进行传输， 同 时， 由于外导体 1上没有如图 1所示的连接凹口 14， 所以电路板 7的顶层铜 皮与电路板 7上连接器的外导体 1、 连接件 8的外芯 82之间会形成比现有技 术更为完整、 封闭性更好的电磁屏蔽腔， 所以与现有技术相比电磁屏蔽效果 更好， 能够更有效的避免周围其他电子器件对射频信号的传输效果的影响， 所以解决了现有的盲插连接器电磁屏蔽效果比较差， 射频信号的传输效果不 够理想的技术问题。
连接件 8可以为线缆。 线缆包括导线 8 3以及设于导线 8 3两端的线缆接 头 84， 线缆接头 84安装于连接器上并与连接器的外导体 1、 内导体 2直接接 触而形成电连接， 线缆是一种柔性较强且射频信号传输性能稳定的连接件， 适宜应用于在两个连接器之间传输射频信号。
本实施例中电路板 7的第一焊盘 51和第二焊盘 52上的两个连接器既可 以如图 8所示均为上述本发明所提供的连接器， 也可以如图 Ί所示仅有一个 是上述本发明所提供的连接器。
本发明实施例还提供了一种电路板连接结构， 包括至少两个上述本发明 实施例所提供的如图 7或图 8所示设有连接器的电路板， 本实施例中以该电 路板连接结构如图 6所示， 包括两个上述本发明实施例所提供的如图 7或图 8所示设有连接器的电路板， 为例进行描述。
如图 6所示，本实施例电路板连接结构中其中一个电路板 71上的连接器 通过连接件 8与另一个电路板 72上的连接器电连接， 其中： 连接件 8包括内 芯 81以及环绕内芯 81且与内芯 81互相绝缘的外芯 82， 电路板 71上的连接 器的内导体 2通过内芯 81与电路板 72上的连接器的内导体 2电连接； 电路 板 71上的连接器的外导体通过外芯 82与电路板 72上的连接器的外导体电连 接。
当然， 本实施例中电路板连接结构也可以包括两个以上上述本发明实施 例所提供的设有连接器的电路板。 这种情况下， 其中部分电路板上的连接器 可以通过一个或多个带有多条分支的连接件与其他部分电路板上的连接器电 连接。
由于本发明实施例电路板连接结构与上述本发明实施例所提供的设有连 接器的电路板具有相同的特定技术特征， 所以也能解决相同的技术问题， 取 得相同的技术效果。
本实施例中连接件 8可以为线缆或盲插连接杆， 盲插连接杆与线缆的原 理相近， 盲插连接杆是一种刚性较强、 强度较高且射频信号传输性能稳定的 连接件， 也适宜应用于在两个连接器之间传输射频信号。
本实施例中连接孔 9为通孔。 连接孔 9为通孔， 在连接孔 9内插接内导 体 2时， 内导体 2沿安装通孔 3的轴向方向可以延伸出连接孔 9， 所以插接 安装更为方便。
如图 6所示， 电路板 7外罩设有结构件 12或壳体。 结构件 12或壳体起 到定位和保护罩设于其内的电路板 7的作用。 本实施例中电路板 7外罩设有 结构件 12， 结构件 12接近内导体 2的一侧还开设有凹槽 1 3， 凹槽 1 3的侧壁 以及底面与内导体 2之间存在间隙，避免了结构件 12对内导体 2延伸出连接 孔 9的一端的影响， 方便了内导体 2的安装。
以上所述， 仅为本发明的具体实施方式， 但本发明的保护范围并不局限 于此， 任何熟悉本技术领域的技术人员在本发明揭露的技术范围内， 可轻易 想到变化或替换， 都应涵盖在本发明的保护范围之内。 因此， 本发明的保护 范围应以权利要求的保护范围为准。

Claims

权利 要 求
1、 一种连接器， 其特征在于： 包括开设有安装通孔的外导体、 位于所述 体， 所述内导体的一端沿所述安装通孔的轴向方向延伸出所述外导体。
2、 根据权利要求 1所述的连接器， 其特征在于： 所述绝缘体呈圈状或管 状， 所述内导体贯穿设置于所述绝缘体上。
3、 根据权利要求 1或 2所述的连接器， 其特征在于： 所述安装通孔的轴 心线与所述绝缘体的轴心线重叠。
4、 根据权利要求 1至 3任意一项所述的连接器， 其特征在于： 所述外导 体包括抵靠部以及与所述抵靠部相连的连接部， 所述安装通孔包括开设于所 述抵靠部上的第一安装通孔以及开设于所述连接部上的第二安装通孔， 所述 第一安装通孔和所述第二安装通孔互相连通， 所述抵靠部外轮廓的径向尺寸 大于所述连接部外轮廓的径向尺寸， 所述第一安装通孔的孔径尺寸大于所述 第二安装通孔的孔径尺寸。
5、 根据权利要求 4所述的连接器， 其特征在于： 所述绝缘体嵌于所述抵 靠部内且其边沿与所述第一安装通孔的内壁相 >t氐靠。
6、 根据权利要求 1至 5任意一项所述的连接器， 其特征在于： 所述绝缘 体上还开设有至少一个散热孔。
7、 根据权利要求 1至 6任意一项所述的连接器， 其特征在于： 所述内导 体用于传输射频信号。
8、 一种电路板， 其特征在于： 包括固设有焊盘的电路板以及设于所述电 路板上的上述权利要求 1至 Ί任意一项所述的连接器， 其中：
所述焊盘上开设有连接孔， 延伸出所述外导体的内导体的一端插接于所 述连接孔内且与所述焊盘电连接， 所述外导体与所述连接孔周围的所述电路 板相抵靠且接地。
9、 根据权利要求 8所述的电路板， 其特征在于： 所述焊盘包括第一焊盘 和第二焊盘， 所述连接器包括设于所述第一焊盘上的第一连接器以及设于所 述第二焊盘上的第二连接器， 所述第一连接器与所述第二连接器通过连接件 电连接。
10、 根据权利要求 9所述的电路板， 其特征在于， 所述连接件包括内芯 以及环绕所述内芯且与所述内芯互相绝缘的外芯， 所述第一连接器的内导体 通过所述内芯与所述第二连接器的内导体电连接；
所述第一连接器的外导体通过所述外芯与所述第二连接器的外导体电连 接。
11、 根据权利要求 9或 10所述的电路板， 其特征在于： 所述连接件为线 缆或盲插连接杆。
12、 根据权利要求 8至 11任意一项所述的电路板， 其特征在于： 所述电 路板外罩设有结构件或壳体， 所述结构件或壳体接近所述内导体的一侧还开 设有凹槽， 所述凹槽的侧壁以及底面与所述内导体之间存在间隙。
1 3、 根据权利要求 8所述的电路板， 其特征在于， 所述焊盘通过与其为 一体式结构的导线与射频模块相连。
14、 一种电路板连接结构， 其特征在于： 包括两个上述权利要求 Ί所述 的电路板， 其中一个所述电路板上连接器通过连接件与另一个所述电路板上 连接器电连接； 其中： 其中一个所述电路板上连接器的内导体通过所述内芯与另一个所述电路板上 连接器的内导体电连接；
其中一个所述电路板上连接器的外导体通过所述外芯与另一个所述电路 板上连接器的外导体电连接。
15、 根据权利要求 14所述的电路板连接结构， 其特征在于： 所述连接件 为线缆或盲插连接杆。
16、 根据权利要求 14或 15所述的电路板连接结构， 其特征在于： 所述 电路板外罩设有结构件或壳体， 所述结构件或壳体接近所述内导体的一侧还 开设有凹槽， 所述凹槽的侧壁以及底面与所述内导体之间存在间隙。
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