WO2018201780A1 - 连接器及连接结构 - Google Patents

连接器及连接结构 Download PDF

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Publication number
WO2018201780A1
WO2018201780A1 PCT/CN2018/077165 CN2018077165W WO2018201780A1 WO 2018201780 A1 WO2018201780 A1 WO 2018201780A1 CN 2018077165 W CN2018077165 W CN 2018077165W WO 2018201780 A1 WO2018201780 A1 WO 2018201780A1
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WO
WIPO (PCT)
Prior art keywords
connector
connecting pin
circuit board
conductive
hole
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PCT/CN2018/077165
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English (en)
French (fr)
Inventor
吴庆
李志海
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华为技术有限公司
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Publication of WO2018201780A1 publication Critical patent/WO2018201780A1/zh

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    • 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
    • H01R12/712—Coupling devices for rigid printing circuits or like structures co-operating with the surface of the printed circuit or with a coupling device exclusively provided on the surface of the printed circuit
    • H01R12/714—Coupling devices for rigid printing circuits or like structures co-operating with the surface of the printed circuit or with a coupling device exclusively provided on the surface of the printed circuit with contacts abutting directly the printed circuit; Button contacts therefore provided on the printed circuit
    • 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
    • H01R13/02—Contact members
    • H01R13/20—Pins, blades, or sockets shaped, or provided with separate member, to retain co-operating parts together
    • 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
    • H01R13/64—Means for preventing incorrect coupling
    • 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]
    • H01R13/6581—Shield structure
    • H01R13/6585—Shielding material individually surrounding or interposed between mutually spaced contacts
    • H01R13/6586—Shielding material individually surrounding or interposed between mutually spaced contacts for separating multiple connector modules

Definitions

  • the present invention relates to the field of device connections, and more particularly to a connector and connector assembly for connecting a device to a circuit board.
  • a device connected to a circuit board (such as another circuit board, or a cable, etc.) is provided with a male connector, and a female connector is disposed on the circuit board, and the male connector can be inserted into the female connector.
  • Connect the device to the board Specifically, as shown in FIG. 1 , the inside of the female connector body is divided into a plurality of cavities, and a cavity is disposed in the cavity wall of each cavity, and a spring with the female connector is disposed in the male connector body. a corresponding connecting pin of the chip, the connecting pin of the male connector is inserted into the female connector and the cavity corresponding to the connection, the connecting pin is electrically connected with the elastic piece in the cavity, thereby The device is electrically connected to the circuit board.
  • the male connector and the female connector need to be paired, the cost is high, and the signal needs to be transferred through the male connector and the female connector to reach the circuit board. , affecting the transmission performance of the signal.
  • Embodiments of the present invention provide a connector and a connection structure for connecting a device to a circuit board through a connector mounted on the device, and the circuit board does not need to be provided with a female connector corresponding to the connector.
  • the first aspect provides a connector including a body, at least one connecting pin, and an elastic member fixed to the connecting pin.
  • the body is fixed to the device, and the connecting pin is fixed to the body and electrically connected to the device through the body. Inserting the connecting pin into a conductive via of the circuit board when the device is connected to the circuit board through the connector, the elastic member is electrically connected to the conductive via, and The elastic force generated by the extrusion of the conductive via hole wall holds the connecting pin in the conductive via.
  • the connector further includes a guiding member fixed to the body and parallel to the connecting pin, the guiding member being higher than the connecting pin, and mounting the connector to In the circuit board, the guiding element portion is first inserted into the guiding hole provided on the circuit board, and then the connecting pin is inserted into the conductive through hole.
  • the connecting pin 201 of the connector 20 can be accurately inserted into the corresponding conductive through hole 302 to avoid misalignment.
  • a distance between the surface of the male connector connecting the connecting pin and the elastic member is L, L>0.
  • the position of the elastic needle in the conductive through hole can be adjusted as needed, thereby achieving different heights of the device and different circuit boards.
  • an insulating material is disposed between the connecting pins.
  • the elastic member is two left and right symmetrical elastic pieces, or an elastic member disposed around the connecting needle.
  • a second aspect of the embodiments of the present invention provides a connection structure, including the connector provided in the first aspect and the implementation manners of the first aspect, and a circuit board to which the connector is connected.
  • the connector and the connector structure provided by the embodiments of the present invention, only one connector needs to be disposed on the device.
  • the connecting pin on the connector needs to be inserted into the conductive through hole in the circuit board.
  • the connecting pin is held in the conductive through hole by the elastic force generated by the elastic member disposed on the connecting pin, thereby saving the female connector disposed on the circuit board and reducing the material cost.
  • FIG. 1 is a schematic diagram of a prior art device connecting a device to a circuit board through a male connector and a female connector.
  • FIG. 2 is a schematic diagram of connecting a device to a circuit board through a connector according to an embodiment of the present invention.
  • Figure 3a is a schematic illustration of impedance discontinuities generated by connecting a device to a circuit board by the prior art shown in Figure 1.
  • Figure 3b is a schematic illustration of the impedance discontinuities generated by connecting the device to the board by the connection shown in Figure 2.
  • Fig. 4 is a schematic view showing the addition of a guide member to the connector shown in Fig. 2.
  • Figures 5a-5c are schematic illustrations of the different heights of the board and device after the connector of Figure 2 is used.
  • Fig. 6 is a schematic view showing the addition of an insulating material between the connecting pins of the connector shown in Fig. 2.
  • Embodiments of the present invention provide a connector that is mounted to a device for connecting the device to a circuit board.
  • the connector is provided with a resilient connecting pin, and a conductive through hole corresponding to the elastic connection is disposed in the circuit board, the elastic connection is inserted into the conductive through hole, and the elastic connecting pin is used to elastically connect the pin A resilient pin is retained in the conductive via to connect the device to the circuit board.
  • the female connector is not required in the circuit board, which reduces the cost and improves the signal transmission performance.
  • the connector 20 is mounted on a device 10, and includes a body 201, at least one connecting pin 202, and each connecting pin 202 is fixed with an elastic member 203.
  • the elastic member 203 is an electrical conductor.
  • the connecting pin 202 is fixed to the body 201 and electrically connected to the device 10 through the body 201.
  • the circuit board 30 is provided with at least one conductive via 301, and each of the conductive vias 301 corresponds to one of the connector pins 202 of the connector 20.
  • each of the connection pins 202 is inserted into the conductive through hole 301 corresponding to each of the connection pins 202, so that the elastic member 203 and the conductive
  • the through hole 301 is electrically connected, and the hole wall of the conductive through hole 301 presses the elastic member 301 to cause the elastic member 301 to generate an elastic force, and the connecting pin 202 is clamped to the conductive through hole 301 by the elastic force. in.
  • the conductive plating of the via hole of the conductive via 301 requires special treatment, including but not limited to, hard gold plating.
  • the conductive elastic member 301 may be two left and right symmetrical elastic pieces, or may be an elastic member disposed around the connecting pin 202. This allows the connector 20 to be more firmly held in the conductive via 201.
  • the connector 20 further includes a guiding member 204, the guiding member 204 is fixed to the body 201 and parallel to the connecting pin 202, and the guiding member 201 is The connecting pin 202 is high.
  • the circuit board 30 is correspondingly provided with a guiding hole 302.
  • the guiding member 204 is partially inserted into the guiding hole 302 provided on the circuit board 30, and then the connecting pin 202 is inserted into the conductive through. Hole 301. In this way, the connecting pin 201 of the connector 20 can be accurately inserted into the corresponding conductive through hole 302 to avoid misalignment.
  • one end of the conductive through hole 301 receiving the connecting pin 202 may be arranged in a trumpet shape, and the same may be used.
  • the guide hole 302 receives a section of the guiding member 204 and is arranged in a flared shape.
  • the distance between the surface of the body 201 connecting the connecting pin 202 and the elastic member 301 is L (in this embodiment, with elasticity)
  • the distance between the pieces 301 refers to the distance from the bulged portion of the elastic member 301, and in other embodiments, the distance between the lowest point and the elastic point, L>0, due to the connecting pin 202 can be freely movable in the conductive via 301.
  • the position of the elastic needle in the conductive via can be adjusted as needed, thereby implementing the device 10. Different heights (assembly heights, distances between the device and the board after mounting the device to the board) with different boards 30.
  • each connection pin 202 is isolated. A gap is left between the insulating material 206 and the connecting pin 202 to form a cavity to ensure that the needle has a certain movable space, so that the elasticity is not affected.
  • a grounding wire and/or a grounding via are formed between the conductive vias 301 on the circuit board 30. After the connector 20 is mated with the circuit board 30, the grounding wire and/or the via hole and the isolation material are completed. Contact to ensure better isolation.
  • a cover can be placed over the connector to protect the connecting pin to ensure that the connector pin of the connector will not be damaged by collision during transportation and assembly.

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  • Coupling Device And Connection With Printed Circuit (AREA)

Abstract

一种连接器及连接器结构。连接器（20）包括本体（201）、至少一个连接针（202）、及固定于连接针的弹性件（203）。本体固定于设备（10），连接针固定于本体，并通过本体与设备电连接。在通过连接器将设备连接于电路板（30）时，将连接针插入电路板的导电通孔（301）中，弹性件与导电通孔电连接，且通过受导电通孔孔壁挤压产生的弹力将连接针卡持于导电通孔中。

Description

连接器及连接结构 技术领域
本发明涉及设备连接领域，特别涉及一种将设备连接至电路板的连接器及连接器组件。
背景技术
一般，连接至电路板的设备(如另一个电路板，或者线缆等)上设置有公端连接器，电路板上设置有母端连接器，通过将公端连接器插入母端连接器可将设备连接至电路板。具体如图1所示，母端连接器本体内部被分隔为多个空腔，每个空腔的空腔壁中设置有簧片，公端连接器本体中设置有与母端连接器的簧片对应的连接针，将公端连接器的连接针插入所述母端连接器中与所述连接针对应的空腔中，所述连接针与所述空腔中的弹片电连接，从而将所述设备电连接至所述电路板。
在通过上述方式将设备连接至电路板时，公端连接器及母端连接器需要成对出现，成本较高，另外信号需要通过公端连接器和母端连接器的转接才能到达电路板，影响信号的传输性能。
发明内容
本发明实施例提供一种连接器及连接结构，用于通过安装于设备上的连接器将设备连接至电路板，电路板上无需设置与所述连接器对应的母端连接器。
第一方面提供一种连接器，所述连接器包括本体、至少一个连接针、及固定于连接针的弹性件。所述本体固定于设备，所述连接针固定于所述本体，并通过所述本体与所述设备电连接。在通过所述连接器将所述设备连接于电路板时，将所述连接针插入所述电路板的导电通孔中，所述弹性件与所述导电通孔电连接，且通过受所述导电通孔孔壁挤压产生的弹力将所述连接针卡持于所述导电通孔中。
这样，在电路板上就不需要设置母端连接器，只需要在设备上设置一个连接器，在将设备连接至电路板时，只需要将连接器上的连接针插入电路板中的导电通孔，并通过连接针上设置的弹性件产生的弹力将所述连接针卡持在所述导电通孔中，从而节省了母端连接器，降低了物料成本。
可选地，所述连接器还包括导向元件，所述导向元件固定于所述本体，并与所述连接针平行，所述导向元件比所述连接针高，在将所述连接器安装至所述电路板时，先将所述导向元件部分插入所述电路板上设置的导向孔后，再将所述连接针插入所述导电通孔。
这样，可以使所述连接器20的连接针201准确的插入对应的导电通孔302中，以免发生错位。
可选地，所述公端连接器连接所述连接针的面与所述弹性部件之间的距离为L,L>0。
这样，可以根据需要调节弹性针在导电通孔中的位置，从而实现设备与不同电路板的不同配高。
可选地，在所述连接器包括多个连接针时，所述连接针之间设置有隔离材料。
这样，可以避免相邻连接针上走的信号出现串扰。
可选地，所述弹性件为两个左右对称的弹片，或者围绕所述连接针设置的弹性部件。
本发明实施例第二方面提供一种连接结构，包括第一方面及第一方面各实现方式中提供的连接器，及所述连接器所连接的电路板。
通过本发明实施例提供的连接器及连接器结构，只需要在设备上设置一个连接器，在将设备连接至电路板时，只需要将连接器上的连接针插入电路板中的导电通孔，并通过连接针上设置的弹性件产生的弹力将所述连接针卡持在所述导电通孔中，从而节省了在电路板上设置的母端连接器，降低了物料成本。
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。
图1为现有技术中通过公端连接器及母端连接器将设备连接至电路板的示意图。
图2为本发明实施例通过连接器将设备连接至电路板的示意图。
图3a为通过图1所示的现有技术将设备连接至电路板产生的阻抗不连续点的示意图。
图3b为通过图2所示的连接方式将设备连接至电路板产生的阻抗不连续点的示意图。
图4为在图2所示的连接器中加入导向元件的示意图。
图5a-5c为使用图2所示连接器后，电路板和设备产生不同配高的示意图。
图6为在图2所示连接器的连接针之间加入隔离材料的示意图。
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。
本发明实施例提供一种连接器，所述连接器安装至设备，用于将所述设备连接至电路板。所述连接器设置有弹性连接针，电路板中设置有与所述弹性连接针对应的导电通孔，将所述弹性连接至插入所述导电通孔，并通过弹性连接针的弹力将所述弹性针卡持在所述导电通孔中，从而将所述设备连接至所述电路板。这样电路板中不需要设置母端连接器，减少了成本，且提高了信号的传输性能。
如图2所示，为所述连接器的示意图，所述连接器20安装在一设备10上，包括本体201、至少一个连接针202、每个连接针202上固定有弹性件203，所述弹性件203为导电体。所述连接针202固定于所述本体201，并通过所述本体201与所述设备10电连接。
电路板30上设置有至少一个导电通孔301，每个导电通孔301对应所述连接器20的一个连接针202。在通过所述连接器20将所述设备10连接于电路板30时，将每个连接针202插入与每个连接针202对应的导电通孔301中，使所述弹性件203与所述导电通孔301电连接，所述导电通孔301的孔壁挤压所述弹性件301使所述弹性件301产生弹力，通过所述弹力将所述连接针202卡持于所述导电通孔301中。
这样，在电路板30上就不需要设置母端连接器，只需要在设备10上设置一个连接 器20，在将设备10连接至电路板30时，只需要将连接器20上的连接针202插入电路板30中的导电通孔301，并通过连接针202上设置的弹性件203产生的弹力将所述连接针202卡持在所述导电通孔301中，从而节省了母端连接器，降低了物料成本。
另外，如图3a所示，现有技术中，通过公端连接器和母端连接器的配合将设备连接至电路板时，会产生三处阻抗不连续点,即阻抗不连续点1、阻抗不连续点2、及阻抗不连续点3,阻抗不连续的点越多，对信号的高速性能影响越大。而在本发明实施例中，如图3b所示，由于连接针202直接与电路板30连接，所以信号不需要经过母端连接器的转接，所以只有两处阻抗不连续点，即阻抗不连续点1及阻抗不连续点2，减少了一处阻抗不连续点，从而提高了信号的传输速度。
为了使所述导电通孔201经受多次插拔，所述导电通孔301孔壁的导电镀层需要进行特别处理，包括但不限于镀硬金等手段。
所述导电弹性件301可以为两个左右对称的弹片，也可以为围绕所述连接针202设置的弹性部件。这样可以使所述连接器20更稳固的卡持在所述导电通孔201中。
可选地，如图4所示，所述连接器20还包括导向元件204，所述导向元件204固定于所述本体201，并与所述连接针202平行，所述导向元件201比所述连接针202高。所述电路板30相应的设置有导向孔302。在将所述连接器20安装至所述电路板30时，先将所述导向元件204部分插入所述电路板30上设置的导向孔302后，再将所述连接针202插入所述导电通孔301。这样，可以使所述连接器20的连接针201准确的插入对应的导电通孔302中，以免发生错位。
可选地，为了使所述连接针202更容易插入所述导电通孔301，可以将所述导电通孔301接收所述连接针202的一端设置成喇叭状，同样地，也可以将所述导向孔302接收所述导向元件204的一段设置成喇叭状。
进一步地，如图5a所示，以一个连接针202为例，所述本体201连接所述连接针202的面与所述弹性件301之间的距离为L(在本实施例中，与弹性件301之间的距离指的是与弹性件301鼓起部分之间的距离，在其他实施例中，也可以为与弹性见最低点之间的距离),L>0，由于所述连接针202可以在所述导电通孔301中自由活动，如图5b及图5c所示，在连接至不同规格的电路板时，可以根据需要调节弹性针在导电通孔中的位置，从而实现设备10与不同电路板30的不同配高(装配高度，将设备安装至电路板后，设备与电路板之间的距离)。
为了获得好的信号质量，避免相邻连接针上走的信号出现串扰，如图6所示，对每个连接针202进行隔离设计。隔离材料206和连接针202之间留出间隙，形成空腔，以保证针有一定活动空间，从而其弹性不受影响。同时，电路板30上的导电通孔301之间设计地线和/或接地过孔(图未示)，在连接器20与电路板30配合完成后，地线和/或过孔与隔离材料接触，保证较佳的隔离效果。
另外，可以在连接器上方设置一个盖子对连接针进行保护，以确保连接器的连接针在运输、装配过程中不会遭到碰撞而损坏。
以上对本发明实施例所提供的数据备份装置及方法进行了详细介绍，本文中应用了具体个例对本发明的原理及实施方式进行了阐述，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 (10)

  1. 一种连接器，包括本体、至少一个连接针、及固定于连接针的弹性件，所述本体固定于设备，所述连接针固定于所述本体，并通过所述本体与所述设备电连接；
    在通过所述连接器将所述设备连接于电路板时，将所述连接针插入所述电路板的导电通孔中，所述弹性件与所述导电通孔电连接，且通过受所述导电通孔孔壁挤压产生的弹力将所述连接针卡持于所述导电通孔中。
  2. 如权利要求1所述的连接器，其特征在于，所述连接器还包括导向元件，所述导向元件固定于所述本体，并与所述连接针平行，所述导向元件比所述连接针高，在将所述连接器安装至所述电路板时，先将所述导向元件部分插入所述电路板上设置的导向孔后，再将所述连接针插入所述导电通孔。
  3. 如权利要求1或2所述的连接器，其特征在于，所述公端连接器连接所述连接针的面与所述弹性部件之间的距离为L,L>0。
  4. 如权利要求1-3任意一项所述的连接器，其特征在于，在所述连接器包括多个连接针时，所述连接针之间设置有隔离材料。
  5. 如权利要求1-4所述的连接器，其特征在于，所述弹性件为两个左右对称的弹片，或者围绕所述连接针设置的弹性部件。
  6. 一种连接结构，包括连接器，及所述连接器所连接的电路板；
    所述电路板包括至少一个导电通孔；
    所述连接器包括本体、至少一个连接针、及固定于连接针的弹性件，所述本体固定于设备，所述连接针固定于所述本体，并通过所述本体与所述设备电连接；
    在通过所述连接器将所述设备连接于所述电路板时，将所述连接针插入所述电路板的导电通孔中，所述弹性件与所述导电通孔电连接，且通过受所述导电通孔孔壁挤压产生的弹力将所述连接针卡持于所述导电通孔中。
  7. 如权利要求6所述的连接结构，其特征在于，所述连接器还包括导向元件，所述导向元件固定于所述本体，并与所述连接针平行，所述导向元件比所述连接针高，在将所述连接器安装至所述电路板时，先将所述导向元件部分插入所述电路板上设置的导向孔后，再将所述连接针插入所述导电通孔。
  8. 如权利要求6或7所述的连接结构，其特征在于，所述公端连接器连接所述连接针的面与所述弹性部件之间的距离为L,L>0。
  9. 如权利要求6-8任意一项所述的连接结构，其特征在于，在所述连接器包括多个连接针时，所述连接针之间设置有隔离材料。
  10. 如权利要求6-9任意一项所述的连接结构，其特征在于，所述导电通孔的孔壁的导电镀层为镀硬金。
PCT/CN2018/077165 2017-05-05 2018-02-24 连接器及连接结构 WO2018201780A1 (zh)

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CN2488187Y (zh) * 2001-05-23 2002-04-24 富士康(昆山)电脑接插件有限公司 具有探针式端子的电连接器
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