WO2006074601A1 - Dispositif de connexion electrique - Google Patents

Dispositif de connexion electrique Download PDF

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Publication number
WO2006074601A1
WO2006074601A1 PCT/CN2006/000033 CN2006000033W WO2006074601A1 WO 2006074601 A1 WO2006074601 A1 WO 2006074601A1 CN 2006000033 W CN2006000033 W CN 2006000033W WO 2006074601 A1 WO2006074601 A1 WO 2006074601A1
Authority
WO
WIPO (PCT)
Prior art keywords
pin
fpc
rigid substrate
crimping
flexible printed
Prior art date
Application number
PCT/CN2006/000033
Other languages
English (en)
Chinese (zh)
Inventor
Zhenhua Wang
Wenjian Li
Guodong Zhang
Original Assignee
Huawei Technologies Co., Ltd.
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 Huawei Technologies Co., Ltd. filed Critical Huawei Technologies Co., Ltd.
Publication of WO2006074601A1 publication Critical patent/WO2006074601A1/fr

Links

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
    • H01R12/50—Fixed connections
    • H01R12/59—Fixed connections for flexible printed circuits, flat or ribbon cables or like structures
    • H01R12/62—Fixed connections for flexible printed circuits, flat or ribbon cables or like structures connecting to rigid printed circuits or like structures
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K1/00—Printed circuits
    • H05K1/18—Printed circuits structurally associated with non-printed electric components
    • H05K1/189—Printed circuits structurally associated with non-printed electric components characterised by the use of a flexible or folded printed circuit
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
    • H05K2201/10—Details of components or other objects attached to or integrated in a printed circuit board
    • H05K2201/10007—Types of components
    • H05K2201/10189—Non-printed connector
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
    • H05K2201/10—Details of components or other objects attached to or integrated in a printed circuit board
    • H05K2201/10227—Other objects, e.g. metallic pieces
    • H05K2201/10424—Frame holders
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
    • H05K2201/10—Details of components or other objects attached to or integrated in a printed circuit board
    • H05K2201/10431—Details of mounted components
    • H05K2201/1059—Connections made by press-fit insertion
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
    • H05K2201/20—Details of printed circuits not provided for in H05K2201/01 - H05K2201/10
    • H05K2201/2009—Reinforced areas, e.g. for a specific part of a flexible printed circuit
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K3/00—Apparatus or processes for manufacturing printed circuits
    • H05K3/0058—Laminating printed circuit boards onto other substrates, e.g. metallic substrates
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K3/00—Apparatus or processes for manufacturing printed circuits
    • H05K3/30—Assembling printed circuits with electric components, e.g. with resistor
    • H05K3/306—Lead-in-hole components, e.g. affixing or retention before soldering, spacing means
    • H05K3/308—Adaptations of leads

Definitions

  • the present invention relates to a connection technology in the field of electronics or communication, and specifically relates to a connection device between a flexible printed circuit board (FPC) and a connector.
  • FPC flexible printed circuit board
  • a flexible printed circuit board made of a flexible substrate is a technology developed in parallel with a rigid PCB board. It is light, thin, and bendable, providing a stable and reliable signal path.
  • FPC can be bent in three-dimensional space, which can reduce the size of the occupied space of the component and reduce the hardware cost. At the same time, the light weight and strong bending resistance can effectively improve the anti-vibration and anti-vibration performance of the product; FPC also has excellent heat resistance. , heat dissipation and shielding characteristics, high system integration, suitable for high-frequency high-speed signal transmission, widely used in computers, micro-portable electronic products, military / civilian communication products, aerospace and other fields.
  • FPC is used to replace the bulky cable, and the interconnection between the boards can be completed, which can reduce the cable cost, improve the complicated assembly operation, and meet the miniaturization requirements, as shown in Figure 1.
  • the terminals of the FPC 1 are respectively inserted into the FPC connectors 4 fixed on the rigid PCB 2 to realize interconnection between the rigid PCBs 2.
  • FPC 1 can also increase its strength and improve mechanical stability by using reinforcements or liners.
  • FPC replaces the cable to achieve rigid interconnection between PCBs, and more FPC connectors are used.
  • a conventional FPC connector 4 includes a socket 5 that is plugged into the plug end of the FPC 1; the FPC connector 4 is soldered to the rigid PCB 2, and the plug end of the FPC 1 is inserted. The socket 5 of the FPC connector 4 is then locked and fixed.
  • the FPC connector on rigid PCBs needs to be assembled using a soldering process with the following drawbacks:
  • the number of contact pins of the FPC connector is limited, usually within 50 pins. When there are more interconnect signals, the product design requirements cannot be met. Multiple devices are required, which increases the size of the rigid PCB and limits the product design.
  • the FPC connector has strict requirements on the thickness and width of the FPC, which increases the design and manufacturing difficulty of the FPC;
  • FPC connectors are more expensive than other connectors
  • the FPC is also directly soldered to a rigid PCB by a hot-bar process. Due to the compact structure of the FPC connection, the FPC is directly soldered to the rigid PCB. Although this can save the connector cost, the assembly process is complicated, and the hot pressing process requires special assembly equipment during assembly, and usually cannot be repaired normally. Rework, easy to damage the FPC, resulting in scrap.
  • the technical problem to be solved by the present invention is to provide a connecting device which solves the problems of manufacturing difficulties in the prior art, complicated assembly process, difficulty in maintenance of rigid PCB, inconvenience in plugging and unloading operation, and high cost.
  • a connecting device comprising a crimp type connector with a crimp pin and a flexible printed circuit board, further comprising a rigid substrate having a position corresponding to the crimp pin and ensuring the crimping An insulating through hole through which the bow I can pass and cooperate, the end of the flexible printed circuit board having a conductive position corresponding to the position of the crimping pin and ensuring that the crimping pin can pass through and cooperate a through hole, the crimping pin passes through the insulating through hole of the rigid substrate; on a side of the rigid substrate opposite to the crimping type connector, the crimping pin passes through the The conductive via of the flexible printed circuit board is electrically connected thereto.
  • the flexible printed circuit board and the rigid substrate are fixed by adhesive bonding on the bonding surface.
  • the crimping pin is connected to the conductive via of the flexible printed circuit board by soldering.
  • the crimping pin has a crimping edge portion in its length direction, and the thickness of the rigid substrate ensures that the insulating through hole accommodates the crimping blade portion.
  • the rigid substrate is a laminate.
  • the rigid substrate is a plastic plate.
  • the rigid substrate is a metal plate.
  • the technical effects brought by the technical solution of the present invention are: 1.
  • the selection range of crimp type connectors is large, the application process of connectors is mature, and there are fewer restrictions on product design;
  • the crimping type connector has less restrictions on the thickness and width of the FPC, and the reliability of welding with the FPC after fixing by the reinforcing plate is high;
  • the connector assembly is welded by through-hole clamping and crimping.
  • the positioning accuracy is high and the assembly process is simple. There are no special requirements for PCB material, design and production, and the engineering design difficulty and engineering cost are low.
  • the connector can be detached and installed. It is easy to repair in the case of failure of the welding device. It can realize the replacement of the flexible PCB without removing the rigid PCB, which will not have a big impact on the normal operation of the system. 5. Operation when interconnecting with the rigid PCB board Convenience.
  • Figure 1 is a schematic diagram of the interconnection of an existing EPC and a rigid PCB
  • Figure 2 is a perspective view of the FPC connector
  • FIG. 3 is a schematic view showing the assembly of a crimp type connector, a reinforcing plate, and an FPC;
  • Figure 4 is an enlarged view of a portion A in Figure 3.
  • FIG. 1 A connection device between the FPC and the crimp type connector is shown in FIG.
  • the crimping type connector 6 is mature in process, has a large selection range, and has fewer restrictions on product design, and is easier to meet product design requirements than FPC connectors.
  • the bottom of the crimp type connector 6 is provided with a set of pins 601.
  • the number of pins of the pin 601 is determined according to the needs of the connector.
  • the pin 601 has a crimping edge portion 602 along its length, so that When the pin 601 is engaged with the hole, it can be closely attached to the hole wall to maintain a good positioning.
  • a rigid reinforcing plate 7 is attached to the end of the FPC 1, and the rigid reinforcing plate 7 serves as a substrate for the FPC 1, and functions as a reinforcement.
  • the rigid reinforcing plate 7 and the FPC 1 there are through holes 701 and 101 corresponding to the pins 601 of the crimp type connector 6, and the two sets of through holes 701 and 101 are respectively aligned, wherein the through holes are respectively 701 is an insulating hole made of an insulating material, and the through hole 101 is a conductive hole made of a conductive material.
  • the bottom pin 601 of the crimp type connector 6 is inserted into the through holes 701 and 101 from the opposite side of the FPC 1 on the rigid reinforcing plate 7, the bottom of the crimp type connector 6 and the rigid reinforcing plate 7
  • the mating surface is in close contact with the crimping edge portion 602 on the pin 601 in the through holes 701 and 101, and the pin 601 is electrically connected to the through hole 101 of the FPC 1.
  • pin 601 and FPC 1 are soldered separately.
  • the aperture of the through hole 701 of the rigid reinforcing plate 7 should ensure that the pin 601 can be inserted or press-fitted, that is, when the pin 601 is elastic, the aperture of the through hole 701 can be slightly smaller than the maximum lateral dimension of the pin 601; When the rigidity of 601 is rigid, the aperture of the through hole 701 is slightly smaller than the maximum lateral dimension of the pin 601. At this time, the pin 601 has an interference fit with the through hole 701. Of course, the aperture of the through hole 701 may be greater than or equal to the maximum of the pin 601. The lateral dimension, at this time, the pin 601 is mated with the through hole 701.
  • the rigid reinforcing plate 7 may be a PCB laminate such as FR4, or a plastic plate or a metal plate.
  • the rigid reinforcing plate 7 is made of a metal plate, the mating surface and the through hole of the rigid reinforcing plate 7 and the crimp type connector 6 and the FPC 1 701 should be insulated.
  • the thickness of the rigid reinforcing plate 7 is such as to ensure that the connector pin crimping edge portion 602 is accommodated, and that the protruding portion of the connector pin 601 does not damage the disk of the through hole 101 of the FPC 1, and a good connection effect can be obtained.
  • the bonding surface of the rigid reinforcing plate 7 and the FPC 1 is bonded and fixed by an adhesive to obtain a good fitting effect.
  • the selection range of the crimp type connector is large, the application process of the connector is mature, and the product design restrictions are less;
  • the crimping type connector has less restrictions on the thickness and width of the FPC, and the reliability of welding with the FPC after fixing by the reinforcing plate is high;
  • the connector assembly is welded by through-hole clamping and crimping.
  • the positioning accuracy is high and the assembly process is simple. There are no special requirements for PCB material, design and production, and the engineering design difficulty and engineering cost are low.
  • the connector can be detached and installed. It is easy to repair in the case of failure of the welding device. It can realize the replacement of the flexible PCB without removing the rigid PCB, which will not have a big impact on the normal operation of the system. 5. Operation when interconnecting with the rigid PCB board Convenience.

Landscapes

  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)

Abstract

L'invention concerne un dispositif de connexion électrique comprenant un connecteur de type à pression pourvu de tiges de pression, une carte à circuit imprimé souple et une base rigide. La base rigide comporte des trous traversants isolés correspondant aux tiges de pression et s'accouplant avec celles-ci. La carte à circuit imprimé comprend des trous conducteurs correspondant également aux tiges de pression et s'accouplant également avec celles-ci. Les tiges de pression traversent les trous isolés de la base rigide et les trous conducteurs de la carte à circuit imprimé souple en vue d'une connexion à un réseau conducteur de la carte à circuit imprimé souple.
PCT/CN2006/000033 2005-01-12 2006-01-10 Dispositif de connexion electrique WO2006074601A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN200510032809.3 2005-01-12
CN 200510032809 CN1805219A (zh) 2005-01-12 2005-01-12 一种连接装置

Publications (1)

Publication Number Publication Date
WO2006074601A1 true WO2006074601A1 (fr) 2006-07-20

Family

ID=36677362

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2006/000033 WO2006074601A1 (fr) 2005-01-12 2006-01-10 Dispositif de connexion electrique

Country Status (2)

Country Link
CN (1) CN1805219A (fr)
WO (1) WO2006074601A1 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4992687B2 (ja) * 2007-12-03 2012-08-08 ソニー株式会社 カメラモジュールおよび撮像装置
JP5879678B2 (ja) * 2010-09-16 2016-03-08 日本電気株式会社 プリント基板固定装置
CN102185216B (zh) * 2011-03-02 2014-01-01 华为机器有限公司 一种浮动式电连接器
CN107275822A (zh) * 2017-05-05 2017-10-20 华为技术有限公司 连接器及连接结构
CN107617816B (zh) * 2017-10-31 2020-04-07 深圳瑞柏科技有限公司 软板脉冲热压焊接方法
JP7117705B1 (ja) * 2022-01-14 2022-08-15 エレファンテック株式会社 電子装置

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5539619A (en) * 1993-09-22 1996-07-23 Sumitomo Wiring Systems, Ltd. Branch joint box
CN2377714Y (zh) * 1999-05-28 2000-05-10 富士康(昆山)电脑接插件有限公司 插头电连接器
CN2519441Y (zh) * 2001-11-21 2002-10-30 富士康(昆山)电脑接插件有限公司 电连接器

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5539619A (en) * 1993-09-22 1996-07-23 Sumitomo Wiring Systems, Ltd. Branch joint box
CN2377714Y (zh) * 1999-05-28 2000-05-10 富士康(昆山)电脑接插件有限公司 插头电连接器
CN2519441Y (zh) * 2001-11-21 2002-10-30 富士康(昆山)电脑接插件有限公司 电连接器

Also Published As

Publication number Publication date
CN1805219A (zh) 2006-07-19

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