WO2022036729A1 - 多功能扩展电路板模块及移动终端 - Google Patents

多功能扩展电路板模块及移动终端 Download PDF

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Publication number
WO2022036729A1
WO2022036729A1 PCT/CN2020/111009 CN2020111009W WO2022036729A1 WO 2022036729 A1 WO2022036729 A1 WO 2022036729A1 CN 2020111009 W CN2020111009 W CN 2020111009W WO 2022036729 A1 WO2022036729 A1 WO 2022036729A1
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WO
WIPO (PCT)
Prior art keywords
circuit board
main circuit
rigid conductive
auxiliary
locking
Prior art date
Application number
PCT/CN2020/111009
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English (en)
French (fr)
Inventor
丁永波
黄建新
袁伟
Original Assignee
深圳微步信息股份有限公司
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Application filed by 深圳微步信息股份有限公司 filed Critical 深圳微步信息股份有限公司
Publication of WO2022036729A1 publication Critical patent/WO2022036729A1/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
    • H01R12/50—Fixed connections
    • H01R12/51—Fixed connections for rigid printed circuits or like structures
    • H01R12/52—Fixed connections for rigid printed circuits or like structures connecting to other 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
    • H05K1/02—Details
    • H05K1/14—Structural association of two or more printed circuits
    • H05K1/141—One or more single auxiliary printed circuits mounted on a main printed circuit, e.g. modules, adapters
    • 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
    • H05K1/182—Printed circuits structurally associated with non-printed electric components associated with components mounted in the printed circuit board, e.g. insert mounted components [IMC]
    • H05K1/184—Components including terminals inserted in holes through the printed circuit board and connected to printed contacts on the walls of the holes or at the edges thereof or protruding over or into the holes

Definitions

  • the present invention relates to the technical field of electronic equipment, in particular to a multifunctional expansion circuit board module and a mobile terminal.
  • the PCB male template type with general size specifications can be used.
  • the shell of the mobile terminal can be opened according to the board shape and the peripheral accessories can be made to match various functional motherboards and motherboards of different solution providers in the market using this board size.
  • the layout of the functional interfaces of the motherboard is relatively limited, and there is no room for adding a specific expansion interface, so improvement is required.
  • embodiments of the present invention provide a multifunctional expansion circuit board module and a mobile terminal.
  • a first aspect of the embodiments of the present invention provides a multifunctional expansion circuit board module, which includes a main circuit board, an auxiliary circuit board, a locking member, a rigid conductive member, and a connecting column, and the rigid conductive member connects the main circuit board and the auxiliary circuit board.
  • a circuit board, the main circuit board and the auxiliary circuit board transmit electrical signals through the rigid conductive member
  • the connecting column connects the main circuit board and the auxiliary circuit board and is spaced from the rigid conductive member
  • the locking member The auxiliary circuit board is locked and connected to the connection post
  • the auxiliary circuit board includes an external expansion component.
  • the connecting post is fixedly connected to the main circuit board, the auxiliary circuit board abuts against the free end of the connecting post, the locking member passes through the auxiliary circuit board and connects the The auxiliary circuit board is locked to the connecting post.
  • the connecting column includes a column body, a plug portion protruding from one end of the column body, and a locking portion disposed at the other end of the column body, and the plug portion is screwed to the main body.
  • the rigid conductive member is plug-connected to the main circuit board; and/or the rigid conductive member is plug-connected to the auxiliary circuit board.
  • the rigid conductive member includes a fixed block and at least two conductive rods spaced apart from the fixed block, and the conductive rods are plug-connected to the main circuit board and/or the auxiliary circuit board.
  • the fixing block includes two or more insulating blocks, and the insulating blocks are distributed at intervals along the extending direction of the length of the conductive rod.
  • the main circuit board includes a main circuit board, a female row seat mounted on the main circuit board, and a fixing member, the connecting column is fixedly connected to the fixing member, and the rigid conductive member is plugged and connected to the fixing member. the female row.
  • the auxiliary circuit board includes a small circuit board, the external expansion component is mounted on the small circuit board, and the rigid conductive component is fixed to the small circuit board and is connected with the external expansion function.
  • the small circuit board is provided with a first locking hole, the locking piece passes through the first locking hole and then is locked to the connecting post, and the external expansion piece protrudes toward the main circuit board.
  • the external expansion component includes a connection interface.
  • the small circuit board further includes a second locking hole spaced apart from the first locking hole, and the second locking hole is away from the rigid conductive member.
  • a second aspect of the embodiments of the present invention provides a mobile terminal, including a casing and the above-mentioned multifunctional expansion circuit board module, the casing is provided with at least two function holes, the function holes are connected with the main circuit The board and the auxiliary circuit board are compatible.
  • the auxiliary circuit board is provided with an external expansion function component, which is connected to the main circuit board as an external expansion board to expand the function of the main circuit board and has rich functions.
  • the auxiliary circuit board is communicatively connected to the main circuit board through rigid conductive parts to transmit corresponding signals, and is fixed and supported in combination with the connecting column to ensure that the installation position of the main circuit board and the auxiliary circuit board is stable and the connection is firm.
  • FIG. 1 is a schematic structural diagram of a multifunctional expansion circuit board module of the present invention
  • Fig. 2 is the enlarged structural representation of A place in Fig. 1;
  • Fig. 3 is the exploded structure schematic diagram of the multifunctional expansion circuit board module of the present invention.
  • FIG. 4 is a schematic structural diagram of an auxiliary circuit board of the present invention.
  • FIG. 5 is a schematic cross-sectional structural diagram of the connecting column of the present invention.
  • the main circuit board 10 the main circuit board 11; the fixing part 12; the female row seat 13; the auxiliary circuit board 20; the small circuit board 21; the first locking hole 211; the second locking hole 212; Conductive member 30 ; conductive rod 31 ; fixed block 32 ; connecting column 40 ; cylinder 41 ;
  • the multifunctional expansion circuit board module includes a main circuit board 10, an auxiliary circuit board 20, a locking member 50, a rigid conductive member 30 and a connecting post 40, the rigid conductive member 30 is connected to the The main circuit board 10 and the auxiliary circuit board 20 transmit electrical signals through the rigid conductive member 30 .
  • the connecting post 40 is connected to the main circuit board 10 and the auxiliary circuit board 20 and is spaced apart from the rigid conductive member 30 , the locking member 50 is locked and connected to the connecting post 40 , and the auxiliary circuit board 20 includes an outer Extensions 22.
  • the rigid conductive member 30 is made of metal material and is used to transmit electrical signals between the main circuit board 10 and the auxiliary circuit board 20 .
  • the rigid conductive member 30 can support and define the spacing position and angle of the main circuit board 10 and the auxiliary circuit board 20 .
  • the rigid conductive member 30 and the connection column 40 are arranged at intervals to form a multi-point support connection structure, and the installation stability is good.
  • the area of the main circuit board 10 is much larger than the area of the auxiliary circuit board 20, so that the auxiliary circuit board 20 can occupy the upper space of the main circuit board 10 as an external expansion board of the main circuit board 10, expand the function of the main circuit board 10, and can also It is avoided that the external expansion component 22 connected to the external expansion board occupies the surface mounting space of the main circuit board 10 .
  • the auxiliary circuit board 20 can be configured as a variety of external expansion boards with different functions, so as to flexibly adapt to the expansion functions required by the main circuit board 10 .
  • the main circuit board 10 can be set as a male template type with a specified size.
  • the specification size of the main circuit board 10 is set to 17CM*17CM, 20CM*20CM, or the like.
  • the external expansion component 22 is configured as a connection interface with a corresponding function, or an indicator light with an indication function, an operation member with an input and output function, and the like.
  • the external expansion component 22 is set as an i/o (input/output interface, input/output device interface) interface and a USB interface.
  • the auxiliary circuit board 20 is provided with an external expansion component 22, which is connected to the main circuit board 10 as an external expansion board, so as to expand the functions of the main circuit board 10, and has rich functions.
  • the auxiliary circuit board 20 is communicatively connected to the main circuit board 10 through the rigid conductive member 30 to transmit corresponding signals, and is fixedly supported in combination with the connecting posts 40 to ensure that the main circuit board 10 and the auxiliary circuit board 20 have stable installation positions and firm connection.
  • the connecting post 40 is located away from the edge of the main circuit board 10 , and the expansion function 22 extends toward the edge of the main circuit board 10 , so that the expansion function 22 is concentrated on the edge of the main circuit board 10 .
  • connection posts 40 are used to connect the main circuit board 10 and the auxiliary circuit board 20 , so that the auxiliary circuit board 20 can be fixed to the main circuit board 10 through the locking connection of the locking members 50 of the connection posts 40 .
  • the connecting post 40 is detachably connected to the main circuit board 10 to facilitate adjustment of the connection between the auxiliary circuit board 20 and the main circuit board 10 .
  • the connecting column 40 can be fixed on the auxiliary circuit board 20 or independently installed on the main circuit board 10 .
  • the connection post 40 is fixedly connected to the main circuit board 10 , and the auxiliary circuit board 20 is locked and connected to the connection post 40 through the locking member 50 to be fixed to the main circuit board 10 , and the installation position is accurate.
  • the connecting post 40 is fixedly connected to the main circuit board 10 , the auxiliary circuit board 20 is abutted against the free end of the connecting post 40 , the The locking member 50 passes through the auxiliary circuit board 20 and locks the auxiliary circuit board 20 to the connecting post 40 .
  • the connecting column 40 is fixed on the main circuit board 10, and the two are integral structures with high connection strength.
  • the auxiliary circuit board 20 is locked and connected to the main circuit board 10 through the locking member 50 , and the assembly is convenient.
  • the external force on the auxiliary circuit board 20 can be transmitted to the main circuit board 10 through the connecting column 40 to form a frame structure under common force, and the positional stability of the external expansion member 22 is good.
  • connection post 40 is fixedly connected with the main circuit board 10 so as to integrate the two into one.
  • the connection posts 40 are welded and connected to the prefabricated components of the main circuit board 10 to form an integrated structure.
  • one end of the connection post 40 is riveted and connected to the main circuit board 10, so that the connection post 40 is fixedly connected to the main circuit board 10.
  • the connection post 40 and the main circuit board 10 are fixed into one body by other connection means, and the connection post 40 protrudes from the surface of the main circuit board 10 .
  • the main circuit board 10 includes a circuit motherboard 11 and a fixing member 12 mounted on the circuit motherboard 11 , and the connecting post 40 is fixed to the fixing member 12 so that the two fixed into one.
  • the connection post 40 is connected with the fixing member 12 by interference fit; the connection post 40 is connected with the fixing member 12 by welding;
  • the connecting column 40 includes a column body 41 , a plug portion 42 protruding from one end of the column body 41 , and a locking portion 43 disposed at the other end of the column body 41 .
  • the plug portion 42 is screwed to the main circuit board 10 .
  • the inserting part 42 is screwed with the fixing part 12 , and the two are easy to assemble and disassemble, wherein the fixing part 12 is provided with a threaded hole matching with the inserting part 42 .
  • the height of the column body 41 is used to adjust the distance between the auxiliary circuit board 20 and the main circuit board 10 , so that the external expansion function 22 has sufficient installation space.
  • the height of the column body 41 can be flexibly adjusted according to different external expansion components 22, and the adaptability is strong.
  • the end of the column body 41 abuts on the main circuit board 10 and is connected to the main circuit board 10 by welding, and the locking member 50 is locked on the locking portion 43 .
  • the connection post 40 is connected to the fixing member 12 of the main circuit board 10 by welding, so that the connection post 40 and the fixing member 12 are connected as a whole.
  • the plug-in portion 42 is disposed at one end of the column body 41 and is plug-connected with the fixing member 12 , and has high positioning accuracy.
  • the end of the column body 41 is attached to the surface of the fixing member 12 , so that the column body 41 is perpendicular to the main circuit board 10 , and the connection position and height are controllable.
  • the connecting column 40 further includes a knurling circuit 44 disposed on the outer peripheral wall of the column body 41 , and the welding seam extends from the main circuit board 10 to the column body 41 and the knurling circuit 44 .
  • Knurling circuits 44 recessed from the outer peripheral wall and distributed at intervals are arranged on the outer peripheral wall of the connecting column 40, so that the solder can be connected along the knurling circuit 44 and the outer peripheral wall of the connecting column 40 during the welding process of the connecting column 40 and the fixing member 12.
  • the increased bonding area increases the strength of the connection between the connecting column 40 and the fixing member 12 , and improves the bending resistance and torsion resistance of the connecting column 40 .
  • the auxiliary circuit board 20 includes a small circuit board 21 , the external expansion member 22 is mounted on the small circuit board 21 , and the rigid conductive member 30 It is fixedly connected to the small circuit board 21 and is electrically connected to the external expansion component 22 .
  • the small circuit board 21 is used to install the external expansion component 22 and is connected to the connecting column 40 .
  • the rigid conductive component 30 forms an integral structure with the circuit small board 21 and is electrically connected with the external expansion component 22 to transmit the external expansion component 22 .
  • the electrical signal improves the connection efficiency between the auxiliary circuit board 20 and the main circuit board 10 and the reliability of data transmission.
  • the rigid conductive member 30 is plug-connected to the main circuit board 10 to improve the connection efficiency of the two.
  • the main circuit board 10 includes a female row seat 13 mounted on the circuit main board 11 , and the rigid conductive member 30 is connected to the female row seat 13 by plugging.
  • the female header 13 and the rigid conductive member 30 are matched with each other to define the free end of the rigid conductive member 30, and the confinement and conductive contact performance is good.
  • the rigid conductive member 30 is plug-connected to the auxiliary circuit board 20 , so that the auxiliary circuit board 20 and the rigid conductive member 30 are detachably connected.
  • the auxiliary circuit board 20 includes a female header 13 mounted on the small circuit board 21 .
  • the female header 13 and the rigid conductive member 30 are matched with each other to define the free end of the rigid conductive member 30, and the confinement and conductive contact performance is good.
  • the other free end of the rigid conductive member 30 can be fixedly connected to the main circuit board 10 and parallel to the connecting column 40 ; 13 Plug connections.
  • the rigid conductive member 30 can be connected to the main circuit board 10 and the auxiliary circuit board 20 by welding or plugging, wherein the rigid conductive member 30 includes a fixed block 32 and at least two conductive rods 31 distributed on the fixed block 32 at intervals, The conductive rods 31 are plugged and connected to the main circuit board 10 and/or the auxiliary circuit board 20 .
  • the spacing of the conductive rods 31 is adapted to the spacing of the sockets of the female headers 13 , so that the rigid conductive members 30 can be inserted into the corresponding female headers 13 .
  • the length of the conductive rod 31 increases as the distance between the main circuit board 10 and the auxiliary circuit board 20 increases, in order to improve the structural and dimensional stability of the conductive rod 31 .
  • the fixing block 32 includes two or more insulating blocks, and the insulating blocks are distributed at intervals along the extending direction of the length of the conductive rod 31 .
  • the insulating block fixes two or more conductive rods 31 at prefabricated intervals, and multiple conductive rods 31 are arranged along the extending direction, which can improve the size and shape stability of the conductive rods 31 .
  • the insulating block is abutted against the female row seat 13 to limit the insertion depth of the conductive rod 31, and the insertion positioning accuracy is high.
  • the rigid conductive members 30 and the connection posts 40 are spaced apart, and both can support and connect the main circuit board 10 and the auxiliary circuit board 20.
  • the small circuit board 21 is provided with a first locking hole 211 , the first locking hole 211 penetrates through the small circuit board 21 , and the locking member 50 passes through the first locking hole 211 and is locked to the connecting post 40 , In order to lock the circuit board 21 to the connection post 40 .
  • the external expansion member 22 is connected to the circuit board 21 and protrudes from the surface of the circuit board 21.
  • the external expansion member 22 protrudes toward the main circuit board 10, so that the external expansion function
  • the component 22 is located between the main circuit board and the small circuit board 21, which reduces the thickness and dimension of the multifunctional expansion circuit board module and improves the space utilization rate.
  • the external expansion member 22 may also protrude in a direction away from the main circuit board 10 to expand the distance between the external expansion member 22 and the main circuit board 10 to avoid electrical interference.
  • the small circuit board 21 further includes a second locking hole 212 spaced apart from the first locking hole 211 , and the second locking hole 212 is away from the rigid conductive member 30 .
  • the small circuit board 21 is provided with a second locking hole 212 to further improve the connection stability between the small circuit board 21 and the main circuit board 10 .
  • the second locking hole 212 is a notch provided on the edge of the small circuit board 21 , so that the small circuit board 21 is snap-connected to other accessories of the main circuit board 10 through the second locking hole 212 .
  • the main circuit board 10 is provided with a supporting column, the small circuit board 21 is mounted on the connecting column 40 and the second locking hole 212 is clamped to the edge of the supporting column.
  • the main circuit board 10 is provided with electrical components, the small circuit board 21 is mounted on the connecting column 40 and the second locking hole 212 is clamped to the columnar structure of the electrical components, so as to improve the structural strength and installation stability of the auxiliary circuit board 20 , reducing the structural complexity of the main circuit board 10 .
  • a mobile terminal includes a casing and the above-mentioned multifunctional expansion circuit board module, the casing is provided with at least two function holes, the function holes are connected to the main circuit board 10 and the main circuit board 10 and the function holes.
  • the auxiliary circuit board 20 is adapted.
  • the function hole is adapted to the electrical components of the main circuit board 10 and the external expansion function part 22 on the auxiliary circuit board 20, so that the external signal line or other fittings can be connected to the multifunctional expansion circuit board module through the function hole, High connection efficiency and multiple external expansion functions.

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

Abstract

一种多功能扩展电路板模块，包括主电路板(10)、辅电路板(20)、锁定件(50)、刚性导电件(30)和连接柱(40)，其中，刚性导电件(30)连接主电路板(10)和辅电路板(20)，主电路板(10)和辅电路板(20)通过刚性导电件(30)传递电信号；连接柱(40)连接主电路板(10)和辅电路板(20)且与刚性导电件(30)间隔设置；锁定件(50)锁定连接于连接柱(40)；辅电路板(20)包括外扩功能件。辅电路板(20)设置的外扩功能件连接于主电路板(10)，以扩展主电路板(10)的功能，功能丰富；辅电路板(20)通过刚性导电件(30)与主电路板(10)通信连接，以传输相应的信号，结合连接柱(40)固定支撑，以保证主电路板(10)与辅电路板(20)的安装位置稳定且连接牢固。还涉及一种移动终端。

Description

多功能扩展电路板模块及移动终端 技术领域
本发明涉及电子设备技术领域，尤其是涉及一种多功能扩展电路板模块及移动终端。
背景技术
在物联网产品、迷你PC盒子产品、一体机产品等移动终端产品中，可采用通用尺寸规格的PCB公模板型。移动终端的外壳可根据此板型开公模和制作外围配件，以配合市场上采用该板型尺寸的各种功能主板和不同方案商的主板。然而，主板的功能接口的布局比较局限，如需要增加某一特定扩展接口则没有空间，因此需要改进。
发明内容
针对上述技术问题，本发明实施例提供了一种多功能扩展电路板模块及移动终端。
本发明实施例的第一方面提供一种多功能扩展电路板模块，包括主电路板、辅电路板、锁定件、刚性导电件和连接柱，所述刚性导电件连接所述主电路板和辅电路板，所述主电路板和辅电路板通过所述刚性导电件传递电信号，所述连接柱连接所述主电路板和辅电路板且与所述刚性导电件间隔设置，所述锁定件锁定连接于所述连接柱，所述辅电路板包括外扩功能件。
在一实施例中，所述连接柱固连于所述主电路板，所述辅电路板抵接于所述连接柱的自由端，所述锁定件穿过所述辅电路板并将所述辅电路板锁定于所述连接柱。
在一实施例中，所述连接柱包括柱体、自所述柱体一端凸出的插接部和设置于所述柱体另一端的锁定部，所述插接部螺旋连接于所述主电路板，所述锁定件锁定于所述锁定部。
在一实施例中，所述刚性导电件插接连接于所述主电路板；和/或，所述刚性导电件插接连接于所述辅电路板。
在一实施例中，所述刚性导电件包括固定块和间隔分布于所述固定块的至少两根导电杆，所述导电杆插接连接于所述主电路板和/或辅电路板。
在一实施例中，所述固定块包括两块及以上的绝缘块，所述绝缘块沿所述导电杆的长度延伸方向间隔分布。
在一实施例中，所述主电路板包括线路主板、安装于所述线路主板的排母座和固定件，所述连接柱固连于所述固定件，所述刚性导电件插接连接于所述排母座。
在一实施例中，所述辅电路板包括线路小板，所述外扩功能件安装于所述线路小板，所述刚性导电件固连于所述线路小板并与所述外扩功能件电连接，所述线路小板设置有第一锁定孔，所述锁定件穿过所述第一锁定孔后锁定至所述连接柱，所述外扩功能件朝向所述主电路板方向凸出，所述外扩功能件包括连接接口。
在一实施例中，所述线路小板还包括与所述第一锁定孔间隔设置的第二锁定孔，所述第二锁定孔远离所述刚性导电件。
本发明实施例的第二方面提供一种移动终端，包括壳体和如上所述的多功能扩展电路板模块，所述壳体设置有至少二个功能孔，所述功能孔与所述主电路板及辅电路板相适配。
本发明实施例提供的技术方案中辅电路板设置有外扩功能件，作为外扩小板连接于主电路板，以扩展主电路板的功能，功能丰富。辅电路板通过刚性导电件与主电路板通信连接，以传输相应的信号，结合连接柱固定支撑，以保证主电路板与辅电路板的安装位置稳定且连接牢固。
附图说明
图1是本发明的多功能扩展电路板模块的结构示意图；
图2是图1中A处的放大结构示意图；
图3是本发明的多功能扩展电路板模块的爆炸结构示意图；
图4是本发明的辅电路板的结构示意图；
图5是本发明的连接柱的剖视结构示意图。
图中：主电路板10；线路主板11；固定件12；排母座13；辅电路板20；线路小板21；第一锁定孔211；第二锁定孔212；外扩功能件22；刚性导电件30；导电杆31；固定块32；连接柱40；柱体41；插接部42；锁定部43；滚花纹路44；锁定件50。
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。
需要说明的是，在不冲突的情况下，下述实施例可以进行组合。
见图1、图2和图3所示：多功能扩展电路板模块包括主电路板10、辅电路板20、锁定件50、刚性导电件30和连接柱40，所述刚性导电件30连接所述主电路板10和辅电路板20，所述主电路板10和辅电路板20通过所述刚性导电件30传递电信号。所述连接柱40连接所述主电路板10和辅电路板20且与所述刚性导电件30间隔设置，所述锁定件50锁定连接于所述连接柱40，所述辅电路板20包括外扩功能件22。
刚性导电件30采用金属材料制成，用于在主电路板10和辅电路板20之间传输电信号，刚性导电件30能够支撑和限定主电路板10及辅电路板20的间隔位置及角度。并且，刚性导电件30与连接柱40间隔设置，以构成多点支撑连接结构，安装稳定性好。
主电路板10的面积远远大于辅电路板20的面积，以使辅电路板20作为主电路板10的外扩小板占据主电路板10上部空间，扩展主电路板10的功能，又能避免外扩小板所连接的外扩功能件22占据主电路板10的表面安装空间。 并且，辅电路板20能够设置为多种不同的功能性外扩小板，以灵活适配主电路板10所需的扩展功能。其中，主电路板10可设为指定规格尺寸的公模板型。例如，主电路板10的规格尺寸设为17CM*17CM，20CM*20CM等。可选地，外扩功能件22设置为具有相应功能的连接接口、或者具有指示功能的指示灯、输入输出功能的操作件等。如，外扩功能件22设为i/o(input/output interface，输入/输出设备接口)接口、USB接口。
辅电路板20设置有外扩功能件22，作为外扩小板连接于主电路板10，以扩展主电路板10的功能，功能丰富。辅电路板20通过刚性导电件30与主电路板10通信连接，以传输相应的信号，结合连接柱40固定支撑，以保证主电路板10与辅电路板20的安装位置稳定且连接牢固。可选地，连接柱40位于远离主电路板10边缘的方向，外扩功能件22朝向主电路板10的边缘方向延伸，以使外扩功能件22集中于主电路板10的边缘。
连接柱40用于连接主电路板10和辅电路板20，以使辅电路板20可以通过锁定件50个连接柱40的锁定连接固定于主电路板10。可选地，连接柱40与主电路板10可拆卸连接，方便调节辅电路板20与主电路板10的连接。其中，连接柱40可固定于辅电路板20或独立安装于主电路板10。可选地，连接柱40与主电路板10固定连接，辅电路板20通过锁定件50锁定连接于连接柱40，以固定于主电路板10，安装位置准确。
见图2和图5所示：在一实施例中，所述连接柱40固连于所述主电路板10，所述辅电路板20抵接于所述连接柱40的自由端，所述锁定件50穿过所述辅电路板20并将所述辅电路板20锁定于所述连接柱40。连接柱40固定于主电路板10，两者呈一体结构，连接强度高。辅电路板20通过锁定件50锁固连接于主电路板10，装配方便。辅电路板20所受的外部作用力能够通过连接柱40传递至主电路板10，以形成共同受力的框架结构，外扩功能件22的位置稳定性好。
连接柱40与主电路板10固定连接，以使两者结合为一体。可选地，连接柱40与主电路板10的预制部件焊接连接，以形成一体结构。可选地，连 接柱40的一端铆接连接于主电路板10，以使连接柱40与主电路板10固定连接。或者，连接柱40与主电路板10通过其它连接方式固定成一体，且连接柱40自主电路板10的表面凸出。
在一可选的实施例中，所述主电路板10包括线路主板11和安装于所述线路主板11的固定件12，所述连接柱40固连于所述固定件12，以使两者固定成一体。如，连接柱40与固定件12过盈配合连接；连接柱40与固定件12焊接连接；连接柱40与固定件12螺旋连接等。
在一可选地实施例中，所述连接柱40包括柱体41、自所述柱体41一端凸出的插接部42和设置于所述柱体41另一端的锁定部43，所述插接部42螺旋连接于所述主电路板10。插接部42与固定件12螺旋连接，两者拆装方便，其中，固定件12设有与插接部42相匹配的螺纹孔。柱体41的高度用于调节辅电路板20距离主电路板10的间距，以使外扩功能件22具有充足的安装空间。并且，柱体41的高度可根据不同的外扩功能件22灵活调整高度尺寸，适配性强。
在一可选地实施例中，所述柱体41的端部抵接于所述主电路板10并与所述主电路板10焊接连接，所述锁定件50锁定于所述锁定部43。连接柱40焊接连接于主电路板10的固定件12，以使连接柱40与固定件12连接成一个整体。插接部42设置于柱体41的一端并与固定件12插接连接，定位精度高。柱体41的端部贴合于固定件12的表面，以使柱体41垂直于主电路板10，连接位置及高度可控。
进一步地，所述连接柱40还包括设置于所述柱体41外周壁的滚花纹路44，焊缝自主电路板10延伸至所述柱体41及滚花纹路44。在连接柱40的外周壁设置自外周壁凹陷且间隔分布的滚花纹路44，以使连接柱40与固定件12焊接过程中焊锡能够沿滚花纹路44和连接柱40的外周壁连接，焊接结合面积增大，连接柱40与固定件12的连接强度增大，提高连接柱40的抗弯和抗扭性能。
见图2和图4所示：在一可选地实施例中，所述辅电路板20包括线路小 板21，外扩功能件22安装于所述线路小板21，所述刚性导电件30固连于所述线路小板21并与所述外扩功能件22电连接。线路小板21用于安装外扩功能件22并与连接柱40连接，刚性导电件30与线路小板21构成一体结构并与外扩功能件22电性连接，以传输外扩功能件22的电信号，提高辅电路板20与主电路板10的连接效率及数据传输可靠性。可选地，所述刚性导电件30插接连接于所述主电路板10，以提高两者的连接效率。其中，所述主电路板10包括安装于所述线路主板11的排母座13，所述刚性导电件30插接连接于所述排母座13。排母座13与刚性导电件30相互配对，以限定刚性导电件30的自由端，限定及导电接触性能好。
在另一可选地实施例中，所述刚性导电件30插接连接于所述辅电路板20，以使辅电路板20与刚性导电件30可拆卸连接。可选地，辅电路板20包括安装于线路小板21的排母座13。排母座13与刚性导电件30相互配对，以限定刚性导电件30的自由端，限定及导电接触性能好。在本实施例中，刚性导电件30的另一自由端可固定连接于主电路板10并与连接柱40平行；或者，刚性导电件30的另一自由端与主电路板10的排母座13插接连接。
刚性导电件30可通过焊接或插接连接主电路板10及辅电路板20，其中，所述刚性导电件30包括固定块32和间隔分布于所述固定块32的至少两根导电杆31，所述导电杆31插接连接于所述主电路板10和/或辅电路板20。导电杆31的间距与排母座13的插孔间距相适配，以使刚性导电件30能够插入到对应的排母座13中。
导电杆31的长度随着主电路板10及辅电路板20的间距增大而加长，为提高导电杆31的结构尺寸稳定性。在一可选地实施例中，所述固定块32包括两块及以上的绝缘块，所述绝缘块沿所述导电杆31的长度延伸方向间隔分布。绝缘块将两根及以上数量的导电杆31按预制间距固定，并且沿导电杆31的延伸方向设置多个，可以提高导电杆31的尺寸及形态稳定。可选地，绝缘块抵接于排母座13，以限定导电杆31的插接深度，插接定位精度高。
刚性导电件30与连接柱40间隔分布，且均能够支撑连接主电路板10及 辅电路板20。其中，所述线路小板21设置有第一锁定孔211，第一锁定孔211贯穿线路小板21，所述锁定件50穿过所述第一锁定孔211后锁定至所述连接柱40，以将线路小板21锁定连接于连接柱40。其中，外扩功能件22连接于线路小板21且凸出线路小板21的表面，可选地，所述外扩功能件22朝向所述主电路板10方向凸出，以使外扩功能件22位于主线路板与线路小板21之间，减小多功能扩展电路板模块的厚度尺寸，提高空间利用率。当然，外扩功能件22也可朝向背离主电路板10方向凸出，以扩大外扩功能件22与主电路板10之间的间距，避免电气干扰。
可选地，所述线路小板21还包括与所述第一锁定孔211间隔设置的第二锁定孔212，所述第二锁定孔212远离所述刚性导电件30。线路小板21设置第二锁定孔212，以进一步提高线路小板21与主电路板10的连接稳定性。可选地，第二锁定孔212为设置于线路小板21边缘的缺口，以使线路小板21通过第二锁定孔212卡接连接至主电路板10的其它配件。如，主电路板10设置有支撑柱，线路小板21安装至连接柱40且第二锁定孔212卡接于支撑柱的边缘。或者，主电路板10设置有电气元器件，线路小板21安装至连接柱40且第二锁定孔212卡接于电气元器件的柱状结构，以提高辅电路板20的结构强度及安装稳定性，降低主电路板10的结构复杂性。
将上述实施例所公开的多功能扩展电路板模块应用于移动终端，以使移动终端在利用公模板型时能外扩相应的功能结构。在一实施例中，一种移动终端，包括壳体和如上所述的多功能扩展电路板模块，所述壳体设置有至少二个功能孔，所述功能孔与所述主电路板10及辅电路板20相适配。
功能孔与主电路板10的电气元器件及辅电路板20上的外扩功能件22相适配，以使外部的信号线或其它配合件能穿过功能孔连接至多功能扩展电路板模块，连接效率高且外扩功能多。
以上实施例仅用以说明本发明的技术方案，而非对其限制；尽管参照前述实施例对本发明进行了详细的说明，本领域的普通技术人员应当理解：其依然可以对前述各实施例所记载的技术方案进行修改，或者对其中部分技术 特征进行等同替换；而这些修改或者替换，并不使相应技术方案的本质脱离本发明各实施例技术方案的精神和范围。

Claims (10)

  1. 一种多功能扩展电路板模块，其特征在于，包括主电路板、辅电路板、锁定件、刚性导电件和连接柱，所述刚性导电件连接所述主电路板和辅电路板，所述主电路板和辅电路板通过所述刚性导电件传递电信号，所述连接柱连接所述主电路板和辅电路板且与所述刚性导电件间隔设置，所述锁定件锁定连接于所述连接柱，所述辅电路板包括外扩功能件。
  2. 根据权利要求1所述的多功能扩展电路板模块，其特征在于，所述连接柱固连于所述主电路板，所述辅电路板抵接于所述连接柱的自由端，所述锁定件穿过所述辅电路板并将所述辅电路板锁定于所述连接柱。
  3. 根据权利要求2所述的多功能扩展电路板模块，其特征在于，所述连接柱包括柱体、自所述柱体一端凸出的插接部和设置于所述柱体另一端的锁定部，所述插接部螺旋连接于所述主电路板，所述锁定件锁定于所述锁定部。
  4. 根据权利要求1所述的多功能扩展电路板模块，其特征在于，所述刚性导电件插接连接于所述主电路板；和/或，所述刚性导电件插接连接于所述辅电路板。
  5. 根据权利要求4所述的多功能扩展电路板模块，其特征在于，所述刚性导电件包括固定块和间隔分布于所述固定块的至少两根导电杆，所述导电杆插接连接于所述主电路板和/或辅电路板。
  6. 根据权利要求5所述的多功能扩展电路板模块，其特征在于，所述固定块包括两块及以上的绝缘块，所述绝缘块沿所述导电杆的长度延伸方向间隔分布。
  7. 根据权利要求1所述的多功能扩展电路板模块，其特征在于，所述主电路板包括线路主板、安装于所述线路主板的排母座和固定件，所述连接柱固连于所述固定件，所述刚性导电件插接连接于所述排母座。
  8. 根据权利要求1所述的多功能扩展电路板模块，其特征在于，所述辅电路板包括线路小板，所述外扩功能件安装于所述线路小板，所述刚性导电件固连于所述线路小板并与所述外扩功能件电连接，所述线路小板设置有第一锁定孔，所述锁定件穿过所述第一锁定孔后锁定至所述连接柱，所述外扩功能件朝向所述主电路板方向凸出，所述外扩功能件包括连接接口。
  9. 根据权利要求8所述的多功能扩展电路板模块，其特征在于，所述线 路小板还包括与所述第一锁定孔间隔设置的第二锁定孔，所述第二锁定孔远离所述刚性导电件。
  10. 一种移动终端，其特征在于，包括壳体和如权利要求1至9任一项所述的多功能扩展电路板模块，所述壳体设置有至少二个功能孔，所述功能孔与所述主电路板及辅电路板相适配。
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