WO2018090374A1 - 终端设备及其扩展附件 - Google Patents

终端设备及其扩展附件 Download PDF

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Publication number
WO2018090374A1
WO2018090374A1 PCT/CN2016/106612 CN2016106612W WO2018090374A1 WO 2018090374 A1 WO2018090374 A1 WO 2018090374A1 CN 2016106612 W CN2016106612 W CN 2016106612W WO 2018090374 A1 WO2018090374 A1 WO 2018090374A1
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WIPO (PCT)
Prior art keywords
connection
terminal device
contact
connection port
back cover
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PCT/CN2016/106612
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English (en)
French (fr)
Inventor
骆磊
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深圳前海达闼云端智能科技有限公司
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Application filed by 深圳前海达闼云端智能科技有限公司 filed Critical 深圳前海达闼云端智能科技有限公司
Priority to PCT/CN2016/106612 priority Critical patent/WO2018090374A1/zh
Priority to CN201680002697.3A priority patent/CN106797412B/zh
Publication of WO2018090374A1 publication Critical patent/WO2018090374A1/zh

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
    • H04M1/0249—Details of the mechanical connection between the housing parts or relating to the method of assembly
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
    • H04M1/026—Details of the structure or mounting of specific components
    • H04M1/0264—Details of the structure or mounting of specific components for a camera module assembly

Definitions

  • the present invention relates to the field of terminal device manufacturing technologies, and in particular, to a terminal device and an extension accessory thereof.
  • the corresponding sandwich structure is widely used in devices such as smartphones, and is composed of a sandwich structure (i.e., a front panel 10, a back cover 20, and a middle spacer 30 as shown in FIG.
  • the terminal device of the layer structure can conveniently add a modular accessory device between the front panel 10 and the back cover 20 to enhance the device performance or provide more device functions through the expandable interface.
  • a camera or the like in the back cover (hereinafter referred to as a rear camera).
  • a rear camera In order to achieve the best optical performance, it is necessary to ensure that the camera can still be tightly coupled with the back cover, so as to reduce the viewing angle of the camera and reduce the amount of light passing through.
  • the structure of the rear camera is usually to closely attach the camera to the main board and the back cover, and is connected to the main board through the cable.
  • the related art has the following problems: for the technical solution that the camera is connected by the cable, after the extension accessory is added, the intermediate layer is thickened. In order to ensure the close fit of the camera and the back cover, it is necessary to raise the camera between the motherboard and the camera. However, the height structure of the pad will cause damage to the cable, and the height of the pad is limited due to the limitation of the cable.
  • the area of the universal interface is large, and The location is typically located at the edge of the board. This will cause the transmission line length between the camera and the main board to be too long (for example, the current MIPI interface will have a significant deterioration after the transmission distance is too long, generally within 5 cm), and the transmitted signal quality is significantly degraded.
  • a technical solution adopted by the embodiment of the present invention is to provide a terminal device, including a device body and a back cover connected to the device body.
  • the first side of the device body opposite to the back cover is provided with a first connection port; the rear cover is provided with a second connection port adapted to the first connection point;
  • the first connection port is inserted into the second connection port to form a first conductive path for electrically connecting one or more functional modules disposed on the back cover and the device body.
  • the second connection port contact port; the first connection port has a recess adapted to the contact port.
  • the contact port is an array of a plurality of spherical contacts.
  • the contact port has a first contact corresponding to the number of MIPI interface pins.
  • the terminal device further includes a plurality of expansion accessories disposed between the back cover and the device body; the expansion accessory includes a connection area; and the connection area is provided with a plurality of connections extending through the extension accessory a hole filled with a conductive medium;
  • connection area of the adjacent expansion accessory is electrically connected to form a longitudinal second conductive path; one end of the second conductive path is plugged into the first connection port, and the other end is inserted into the second connection port.
  • connection area is disposed in a space in which the second connection port extends vertically downward.
  • the conductive medium extends outwardly at one end of the through hole to form a second contact;
  • the conductive medium forms a recess at the other end of the through hole that is adapted to the second contact.
  • connection zone is a deformable soft structure.
  • the conductive medium extends outwardly at one end of the through hole to form a second contact; the conductive medium forms a planar connection point at the other end of the through hole; the planar connection point is deformable Soft structure.
  • the area of the planar connection point is larger than the projected area of the second contact at the planar connection point.
  • the terminal device is a mobile phone.
  • the function module is a camera module.
  • the expansion accessory of the expansion accessory includes a connection area; the connection area is provided with a plurality of through holes penetrating the expansion accessory, and the through hole is filled with a conductive medium;
  • connection regions of adjacent expansion accessories are electrically connected to form a longitudinal second conductive path.
  • the terminal device provided by the embodiment of the present invention adopts a first connection port and a second connection port that are connected by plug-in between the back cover and the device body, and can be easily disassembled and superimposed with different number or function of extended accessories. It is convenient to maintain a good communication connection between the function module disposed on the back cover and the device body.
  • the extended accessory provided by the embodiment of the present invention provides a longitudinal conductive path that can extend through the extended accessory.
  • the signal transmission distance of the conductive path is short, and the manner in which the conductive paths are formed can be easily adapted to the thickness variation of the middle spacer layer.
  • Figure 1 is a schematic illustration of a typical "sandwich" structure of a terminal device
  • FIG. 2 is a schematic exploded view of a terminal device according to an embodiment of the present invention.
  • connection port 3 is a top plan view of a connection port according to an embodiment of the present invention.
  • FIG. 4 is a top plan view of an interface connection port according to another embodiment of the present invention.
  • Figure 5 is a schematic cross-sectional view of a connection area provided by an embodiment of the present invention.
  • FIG. 6 is a top plan view of an extension accessory according to an embodiment of the present invention.
  • FIG. 7 is a schematic cross-sectional view of a connection region according to another embodiment of the present invention.
  • FIG. 1 is a schematic diagram of a typical "sandwich" structure of a prior art terminal device.
  • the thickness of the intermediate interlayer 30 can vary significantly with the addition of functional modules or performance enhancing modules.
  • Such a change in the thickness of the intermediate interlayer causes some devices that need to maintain a specific position in the terminal device while establishing a data connection with the functional modules in the other layers, which brings about contradiction between data transmission and position setting, such as for collecting image information.
  • the optical module including the mechanical parts such as the lens and the zoom
  • the optical module needs to be held on the surface of the back cover or protruded from the back cover in order to obtain the best viewing angle and the amount of light passing through.
  • its electronic parts (such as CCD, CMOS, etc.) need to establish a communication connection with the terminal device body (such as processor, control circuit, etc.), upload data or receive instructions.
  • data connections to other layers can be established in a cascading manner through a common additional interface.
  • a cascading method is not applicable or limited due to a long signal transmission distance (the general additional interface is disposed on the side of the functional module).
  • the transmission distance is basically limited to 5 cm. Once exceeded, the signal quality will be significantly deteriorated.
  • the terminal device of the above "sandwich" structure is simplified for simplicity of presentation.
  • the main structure including the terminal device is represented as an upper device body, and the device body includes a hardware structure for realizing the function of the terminal device and stores corresponding program instructions.
  • the back side of the terminal device is generally referred to as a back cover.
  • the back cover forms the back of the terminal device and has or is provided with one or more functional modules, such as buttons, display screens, fingerprint unlockers, video cameras, flash lights, and the like.
  • Each extension attachment has a certain thickness.
  • various types of devices having different functions or performances of "sandwich" structure such as various types of mobile devices, may be assembled, including Smartphones, tablets, PDAs, e-readers, wearables, laptops, etc.; or non-mobile devices, including televisions, monitors, etc.
  • FIG. 2 is a schematic structural diagram of a terminal device according to an embodiment of the present invention.
  • one or more expansion accessories 200 are disposed between the device body 100 and the back cover 300.
  • the thickness of the intermediate interlayer increases.
  • the relative position between the functional module (such as the camera module 400) located in the back cover and the target connection layer (such as the back of the device body) changes accordingly.
  • the camera module 400 needs to establish a connection with a portion corresponding to the device body 100 (such as a camera interface on the terminal device body) while maintaining its original set position.
  • the interface of the camera module 400 and the terminal device body 100 for establishing a communication connection may be set as a contact type structure, and the corresponding position of the terminal device body 100 is set to a port corresponding to the contact type structure. structure.
  • the connection port on the back cover can be connected to the connection port of the device body to form a conductive conductive path.
  • connection structure can be disassembled along with the separation of the back cover from the apparatus main body, and can be easily combined to flexibly adapt to the thickness variation caused by the addition of the expansion attachment by the middle spacer layer.
  • Contact type port separation and connection do not require soldering or other fixed connection methods, and good contact can be achieved when the back cover is in the correct relative fixed position with the device body.
  • connection port on the back cover can be a plurality of first contacts 401 that protrude outward.
  • Each of the first contacts 401 corresponds to one pin (or pin) of the interface of the camera module.
  • the specific number of first contacts is determined by the transmission protocol specifically selected by the interface end of the camera module or the model of the specifically selected camera module. In some embodiments, more first contact numbers can also be set to ensure the expansion capability of the interface end. For example, for a camera module (MIPI interface) adopting the MIPI protocol, 16 contacts can be set to meet Future possible additions to the pins.
  • the first contact may specifically adopt any suitable shape or three-dimensional structure, such as an outwardly protruding elastic piece as shown in FIG. 3, or a spherical contact as shown in FIG. 4, which can be matched with another contact surface. Connect, create a conductive channel.
  • FIG. 4 is a schematic structural diagram of an interface end according to an embodiment of the present invention.
  • the interface end on the back cover adopts a structure similar to that of the BGA package to form a 4x4 array of spherical contacts.
  • more or fewer first contacts may be provided or in other suitable first contact arrangements, such as a cross as shown in FIG.
  • a unified standardized interface end ie, a predetermined first contact and arrangement
  • a predetermined first contact and arrangement can be established to achieve a modular design and to ensure versatility of the functional modules.
  • connection port on the back cover takes the camera module as an example and describes various possible implementation forms of the connection port on the back cover. It can be understood by those skilled in the art that a portion corresponding to the connection port of the back cover on the body of the terminal device can adopt a structure adapted to the connection port of the back cover, for example, a recess disposed to be compatible with the first contact. Structure, etc., can ensure good contact between the two, the specific form is determined by the connection port of the back cover, for the sake of simplicity, and will not be repeated again.
  • the back cover may be provided with other various types of functional modules.
  • the functional modules need to meet the above condition limits (ie, maintain The relative positional relationship with the back cover simultaneously establishes a connection with the device body), which can be applied to the functional module based on the structure described in the above embodiment (the connection port structure between the back cover and the device body) to meet such conditional restrictions .
  • the plug-in connection structure can be used to realize the connection between the device body and the back cover, and at least one conductive path is established for the function module of the back cover and the device body. Establish a communication connection and transfer data or instructions.
  • some additional structures may also be added or subtracted according to actual needs, for example, Auxiliary positioning device, positioning round hole, auxiliary fixed snap fastener, etc. are arranged on the port.
  • the port connection method of the plug-in connection can be easily removed and assembled between the male connection port and the female connection port, and has the potential for better thickness adaptation. It only needs to be provided between the male connection port and the female connection port.
  • the conductive path maintains the electrical connection between the two.
  • the above-mentioned conductive path is provided by providing a connection area 201 of a predetermined size on the body of the expansion accessory 200.
  • the connection region 201 has a plurality of through holes 202 therein, and the through holes 202 are filled with a conductive medium.
  • the conductive medium may be any suitable medium capable of transmitting an electrical signal, such as metallic copper, silver, or the like.
  • connection region 201 in order to achieve isolation between the conductive media between the via holes and ensure smooth transmission of the signal, the body portion of the connection region should be insulated. In some embodiments, other electrical signal isolation structures are added to the connection region 201 to achieve better insulation isolation between the conductive spaces between the different via holes, and to ensure signal transmission without crosstalk.
  • connection areas 201 in the plurality of extension attachments 200 are located at opposite positions.
  • the conductive medium is electrically connected between the extensions 200, and the plurality of extensions 200 establish a conductive path that is vertically and longitudinally extending through all of the extensions in a stacked manner. It will be apparent that in the case where the extension attachment 200 used has the connection zone 201, such a conductive channel can accommodate variations in the thickness of the intermediate spacer between the back cover and the device body.
  • the terminal device can also be compatible with the use of such an extended accessory.
  • such an extended accessory can be extended with its adjacent extended accessory through a universal additional interface. connection.
  • the interface end on the back cover (ie, the plurality of first contacts) can establish a connection communication connection with the device body 100 through the conductive path. Since the conductive path vertically penetrates the intermediate interlayer, the length of the data transmission path is effectively shortened compared with the method of connecting the universal additional interface provided on one side, and it is not necessary to use the camera module on the main board to easily affect the structure.
  • Technical solutions such as optical axes and cable.
  • connection area of the extension attachment may be disposed in a space in which the connection port of the rear cover extends vertically downward. Such settings can be fully utilized Expand the space in the attachment.
  • the transmission path of the conductive path is extremely short (possibly shorter than many cable solutions), and the reliability is higher than that of the cable.
  • the camera module can be directly fixed to the back cover, the stability of the structure and the optical performance can be well ensured, for example, the optical axis does not shift.
  • connection region 201 may be disposed as a recess 212, and the other side is a second contact 211 that is convex outward.
  • the second contact 211 is formed by extending outwardly from the conductive medium, and the second contact 211 is adapted to the recess 212.
  • the second contact 211 may adopt the same shape and arrangement as the first contact 401 as a standardized design to facilitate versatility between different modules.
  • different settings can also be used to ensure that a sufficient number of channels are formed to achieve signal transmission.
  • connection of the connection area between the two expansion accessories and the connection port between the device body and the back cover adopt the same plug-in connection manner (ie, the outwardly convex contact and the corresponding The connection of the recesses, as shown in Figure 2).
  • plug-in connection manner ie, the outwardly convex contact and the corresponding The connection of the recesses, as shown in Figure 2.
  • connection region 201 one or both sides of the connection region 201 are deformable soft structures, for example, the second contact 211 side is a soft structure. Because the soft structure can provide a certain shape variable. Therefore, tight contact between the contacts and the plane between the two layers can be achieved to avoid signal transmission being affected by poor contact.
  • the other side 212 of the connection region 201 may also be a soft planar structure, and the second contact (or the first contact) is a hard structure.
  • the plane 212 is deformed under pressure and tightly pressed against the second contact to ensure good contact.
  • the plane 212 of the connection region 201 and the second contact (or the first contact) are both soft Quality structure.
  • the soft structure has a strong modulus of elasticity that provides a stronger pressure to better ensure good contact between the contacts.
  • connection port of the device body can be The position of the conductive path connection is set to a soft contact (or plane), for example, a thin layer of soft contact is provided to ensure close contact between the connection port of the device body and the extension accessory.
  • the attachment may be extended based on the connection between the expansion attachments, the connection port of the extension attachment and the back cover, or the connection port to the device body during assembly, may not be fully aligned, or other assembly errors may be considered.
  • the projection area of the outwardly protruding first contact (or the second contact of the connection port of the rear cover) on the plane 212 adapted thereto is smaller than the plane 212, and such a structural arrangement can provide a certain assembly for the terminal device. Assembly allowance.
  • the conductive medium A may be extended on the surface of the through hole to form a larger flat surface B such that the contact area is larger than the first contact or the second contact.
  • the projected area on the plane in order to display the flat surface, the thickness of the flat surface in Fig. 7 is large, and the structure is generally in close contact with the plane 212 in actual application).
  • Such a way to reduce the size of the vias in the connection region may be advantageous for maintaining good structural strength.
  • the embodiments of the present invention provide how to establish two layers of different structures in a terminal device adopting a "sandwich" structure (such as different extended accessories).
  • a "sandwich” structure such as different extended accessories.
  • the electrical connection can be implemented by using the plug-in connection described in the above embodiments, and the above method can be implemented in two or more adjacent layers according to actual conditions.
  • the conductive path established by the above connection structure is a vertically through path, and the distance of such data transmission is the shortest, which can ensure the quality of data transmission of the functional module on the back cover.
  • connection structure can also be applied to other more extension accessories as needed.
  • a camera module having the above-described first contact structure may be fixedly disposed therein according to actual conditions.
  • the usual universal additional interface can also be used to achieve electrical connection with the upper layer structure.
  • an expansion accessory having a connection area of any of the above method embodiments, a function module having an interface end in the form of a outwardly protruding contact (such as a camera module), and a device body are separately produced. Wait.
  • the expansion accessory, the function module (which can be fixed on the back cover), and the main body of the device are assembled.
  • the outwardly protruding contacts and the recesses corresponding to the contacts are aligned to ensure the relationship between the two. Good contact.
  • the outwardly projecting contacts (first or second contacts) and recesses (or soft planes) may have one or more of the technical features mentioned in the above embodiments to achieve a corresponding effect.
  • the terminal device provided in the embodiment of the present invention still has sufficient compatibility, and can be used in combination with the original connection mode and the connection structure provided by the embodiment of the present invention.
  • the terminal extension accessory shown in FIG. 6 has The connection area 201 is also provided with a universal universal add-on interface 204.
  • connection structure can also provide another independent transmission path without occupying a common additional interface.

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  • Coupling Device And Connection With Printed Circuit (AREA)
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Abstract

一种终端设备及其扩展附件（200）；其中该终端设备包括：设备本体（100）以及与所述设备本体（100）连接的后盖（300），所述设备本体（100）与后盖（300）相对的一面设置有第一连接端口；后盖（300）上设置有与所述第一连接端口相适配的第二连接端口；所述第一连接端口与第二连接端口插接，形成用于电连接设置在后盖（300）的一个或多个功能模组与设备本体（100）的第一导电通路；在后盖（300）与设备本体（100）之间采用插接式连接的第一连接端口和第二连接端口，可以方便的拆开和叠加加入的不同数量或者功能的扩展附件，便于设置在后盖（300）上的功能模组与设备本体（100）之间保持的良好的通信连接。

Description

终端设备及其扩展附件 技术领域
本发明涉及终端设备制造技术领域，特别是涉及一种终端设备及其扩展附件。
背景技术
随着电子技术的不断发展，模块化组装及设计思路因其独特的优势以及极高的效率而广泛的推广使用。基于这样的思路，相应的三明治结构形式在智能手机等设备中被广泛的应用，对于采用三明治结构(即如图1所示的，由前面板10，后盖20以及中间隔层30组成的三层结构)的终端设备，其可以方便的在前面板10和后盖20之间添加模块化的附件设备，通过可拓展接口从而增强设备性能或者提供更多的设备功能。
一般的，对于许多的终端设备而言，在后盖中设置摄像头或者类似的摄像设备是普遍的需求(以下简称后摄像头)。为了实现最好的光学性能，需要保证摄像头依然能和后盖紧密结合，避免使摄像头的视角变小以及通光量降低。
在现有的技术中，后摄像头的结构通常为将摄像头紧密贴合在主板和后盖上，并通过排线与主板连接。
还有一些技术方案为将摄像头固定在后盖上，然后通过上述附件设备通用的大接口与主板之间进行连接。
在实现本发明的过程中，发明人发现相关技术存在以下问题：对于采用摄像头通过排线连接的技术方案，在添加了扩展附件后，会导致中间层加厚。为保证摄像头与后盖的紧密贴合，需要在主板和摄像头间给摄像头做垫高。但是该垫高结构会对排线造成伤害，而且受排线的限制，垫高的高度有限。
而对于摄像头固定在后盖的方案，由于通用接口的面积较大，而且 位置一般位于电路板的边缘位置。这样会导致摄像头与主板之间的传输线路长度过长(如目前的MIPI接口在传输距离过长后信号会有明显恶化，一般都会控制5cm以内)，传输的信号质量发生显著下降。
发明内容
本发明主要解决的技术问题是提供一种终端设备及其扩展附件，用以解决现有技术中后盖与设备主体之间的连接无法适应中间隔层厚度变化的问题。
为解决上述技术问题，本发明实施例采用的一个技术方案是：提供一种终端设备，包括设备本体以及与所述设备本体连接的后盖。
所述设备本体与后盖相对的一面设置有第一连接端口；后盖上设置有与所述第一连接点相适配的第二连接端口；
所述第一连接端口与第二连接端口插接，形成用于电连接设置在后盖的一个或多个功能模组与设备主体的第一导电通路。
可选地，所述第二连接端口触点式端口；所述第一连接端口具有与所述触点式端口相适配的凹陷。
可选地，所述触点式端口为若干球形触点组成的阵列。
可选地，所述触点式端口具有与MIPI接口引脚数量对应的第一触点。
可选地，所述终端设备还包括若干设置在所述后盖与设备本体之间的扩展附件；所述扩展附件包括一连接区；所述连接区内设置有若干贯穿所述扩展附件的通孔，所述通孔内填充有导电介质；
相邻扩展附件的连接区电连接，形成纵向的第二导电通路；所述第二导电通路的一端与所述第一连接端口插接，另一端与所述第二连接端口插接。
可选地，所述连接区设置在所述第二连接端口向下垂直延伸的空间内。
可选地，所述导电介质在所述通孔的一端向外延伸形成第二触点； 所述导电介质在所述通孔的另一端形成与所述第二触点相适配的凹陷。
可选地，所述连接区的至少一侧为可形变的软质结构。
可选地，所述导电介质在所述通孔的一端向外延伸形成第二触点；所述导电介质在所述通孔的另一端形成平面连接点；所述平面连接点为可形变的软质结构。
可选地，所述平面连接点的面积大于所述第二触点在所述平面连接点上的投影面积。
可选地，所述终端设备为手机。
可选地，所述功能模组为摄像机模组。
为解决上述技术问题，本发明实施例采用的另一个技术方案是提供一种扩展附件。其中，所述扩展附件所述扩展附件包括一连接区；所述连接区内设置有若干贯穿所述扩展附件的通孔，所述通孔内填充有导电介质；
相邻扩展附件的连接区电连接，形成纵向的第二导电通路。
本发明实施例提供的终端设备，在后盖与设备本体之间采用插接式连接的第一连接端口和第二连接端口，可以方便的拆开和叠加加入的不同数量或者功能的扩展附件，便于设置在后盖上的功能模组与设备本体之间保持的良好的通信连接。
另外，本发明实施例提供的扩展附件，提供了可以贯穿扩展附件的纵向导电通路。该导电通路的信号传输距离短，其层叠形成的方式能够方便的适应中间隔层的厚度变化。
附图说明
图1是终端设备的典型“三明治”结构的示意图；
图2是本发明实施例提供的终端设备的分解结构示意图；
图3是本发明实施例提供的连接端口的俯视图；
图4是本发明另一实施例提供的接口连接端口的俯视图；
图5是本发明实施例提供的连接区的横截面示意图；
图6是本发明实施例提供的扩展附件的俯视图；
图7是本发明另一实施例提供的连接区的横截面示意图。
具体实施方式
为了使本发明的目的、技术方案及优点更加清楚明白，以下结合附图及实施例，对本发明进行进一步详细说明。应当理解，此处所描述的具体实施例仅用以解释本发明，并不用于限定本发明。
图1为现有的终端设备的典型“三明治”结构的示意图。在采取模块化设计的“三明治”结构中，中间夹层30的厚度会随着功能模块或者性能增强模块的加入而发生显著的变化。
这样的中间夹层厚度的变化，令一些需要在终端设备中保持特定位置的同时还需要与其它层中的功能模块建立数据连接的装置带来数据传输和位置设置的矛盾，如用于采集图像信息的摄像机模组，一方面，其光学部分(包括镜头、变焦等机械部分)需要保持在后盖的表面或者突出于后盖以便于获得最好的视角以及通光量等。另一方面，其电子部分(如感光芯片CCD、CMOS等)需要与终端设备主体(如处理器、控制电路等)建立通信连接，上传数据或者接收指令。
对于一些功能模块，可以通过通用附加接口，以层叠的方式建立与其它层的数据连接。但在一些数据传输只能在有限距离内完成(如衰减程度大)的情况下，这样的层叠方式因信号传输距离较长(通用附加接口设置在功能模块的侧面)而不适用或者受到限制，如对于较为常见的应用于智能移动设备的MIPI协议，其传输距离基本限制在5cm以内，一旦超出，信号质量将出现明显恶化。
在本发明实施例中，为陈述简便，对上述“三明治”结构的终端设备予以简化。一方面，将包括终端设备的主体结构表示为上设备主体，设备主体内包括用以实现终端设备的功能的硬件结构和存储有相应的程序指令。而终端设备的背面概括的表示为后盖。该后盖形成终端设备的背面，并具有或者设置有一个或者多个功能模块，例如，按键、显示屏、指纹解锁器、摄像机、闪光灯等。
另一方面将设置在终端设备的设备主体以及后盖之间的一个或者 多个功能模块，使用“扩展附件”这样的术语表示。每个扩展附件为具有一定厚度。
通过挑选上述扩展附件、设备主体以及后盖，经过装配后可以组成现有技术中各种不同类型的，具有不同的功能或者性能的“三明治”结构的设备，例如各种类型的移动设备，包括智能手机、平板电脑、PDA、电子阅读器、可穿戴设备、手提电脑等；或者非移动设备，包括电视机、显示器等。
图2为本发明实施例提供的一种终端设备结构。在本发明实施例提供的简化模型中，如图2所示，一个或者多个扩展附件200设置于设备主体100以及后盖300之间。在这样的结构中，随着扩展附件200数量的增加，中间夹层的厚度增加。由此，位于后盖中的功能模块(如摄像机模组400)与目标连接层(如设备主体的背面)之间的相对位置随之发生变化。
在本实施例中，假设摄像机模组设置位置为与后盖300平齐或者凸出于后盖200中。使用中，该摄像机模组400需要与设备主体100对应的部分(如终端设备主体上的camera接口)建立连接的同时保持其原有设置位置。
如图2所示，该摄像机模组400与终端设备主体100建立通信连接的接口可以设置为触点式结构，终端设备主体100的对应位置则设置为与所述触点式结构相适应的端口结构。在后盖固定在设备主体100后，后盖上的连接端口可以与设备主体的连接端口相接，形成导电的导电通路。
这样的连接结构，能够随着后盖与设备主体的分离而拆开，并方便的进行组合，以灵活的适应因中间隔层添加扩展附件而导致的厚度变化。触点式的端口分离与连接不需要焊接或者其它的固定连接方式，在后盖与设备主体处于正确的相对固定位置时即可实现良好的接触。
在一些实施例中，后盖上的连接端口可以为若干向外凸出的第一触点401。其中，每一个第一触点401与摄像机模组的接口的一个引脚(或者针脚)对应。
具体的第一触点数量由摄像机模组的接口端具体选用的传输协议或者具体选用的摄像机模组的型号等所决定。在一些实施例中，还可以设置更多的第一触点数量，用以保证接口端的拓展能力，例如，对于采用MIPI协议的摄像机模块(MIPI接口)，可以设置为16个触点用以满足未来的可能增加的引脚。
该第一触点具体可以采用任何合适的形状或者立体结构，例如如图3所示的向外突出的弹片，或者如图4所示的球形触点，能够与相适配的另一接触面相接，建立可导电的通道即可。
图4为本发明实施例提供的接口端的结构示意图。在本实施例中，后盖上的接口端采用与BGA封装形式类似的结构，形成一个4ⅹ4的球形触点阵列。如上所述，还可以设置更多或者更少的第一触点或者以其它合适的第一触点布置形式，例如如图3所示的十字形。
在一些实施例中，可以建立统一的标准化接口端(即预定的第一触点以及布置形式)从而实现模块化设计以及保证功能模块的通用性。
以上实施例以摄像机模组为例，描述了在后盖上的连接端口的多种可能实现的形式。本领域技术人员可以理解的是，在终端设备本体上与后盖的连接端口对应的部分可以采用与后盖的连接端口相适配的结构，例如，设置为与第一触点相适应的凹陷结构等，能够保证两者之间的良好接触即可，其具体形式由后盖的连接端口决定，为陈述简便，再次不在重述。
另外，根据具体的应用场合，后盖上除摄像机模组外，还可以设置有其它各种类型的功能模块，本领域技术人员可以理解的是，在功能模块需要满足上述条件限制时(即保持与后盖的相对位置关系同时建立与设备本体的连接)，可以基于以上实施例描述的结构(后盖与设备主体之间的连接端口结构)，应用于该功能模块中以满足这样的条件限制。
在实际应用过程中，还可以使用其它任何合适结构的，插接式连接的结构来实现设备本体与后盖之间的连接，建立至少一个导电通路，供后盖的功能模块与设备主体之间建立通信连接，传输数据或者指令。在一些实施例中，还可以根据实际需要添加或者减省一些附加结构，例如， 在端口上设置辅助定位装置、定位圆孔、辅助固定的卡扣件等。
采用插接式连接的端口连接方式，公连接端口与母连接端口之间可以方便的拆出以及装配，具有提供更好的厚度适应潜力，其只需要在公连接端口与母连接端口之间提供导电通道即可保持两者之间的电连接。
请继续参阅图2，在本实施例中，通过在拓展附件200的本体上设置有一个预定大小的连接区201来提供上述的导电通道。该连接区201内具有若干通孔202，通孔202内填充有导电介质。具体的，所述导电介质具体可以是任何合适的，能够传输电信号的介质，例如金属铜、银等。
当然，为实现通孔之间导电介质之间的隔离，保证信号的顺利传输，该连接区的主体部分应当是绝缘的。在一些实施例中，在所述连接区201上增加其它的电信号隔离结构，实现不同通孔之间的导电介质之间更好的绝缘隔离效果，保证信号传输不受串扰。
在本实施例中，多个扩展附件200中的连接区201位于相对的位置上。扩展附件200之间的导电介质电连接，多个扩展附件200以层叠的方式建立一个垂直并纵向贯穿全部扩展附件的导电通道。显然的，在使用的扩展附件200均具有所述连接区201的情况下，这样的导电通道能够适应后盖与设备主体之间的中间隔层的厚度变化。
而在并非全部扩展附件均具有本发明实施例提供的连接区201的情况下，所述终端设备也可以兼容使用这样的扩展附件，例如这样的扩展附件可以通过通用附加接口与其相邻的扩展附件连接。
所述后盖上的接口端(即多个第一触点)通过该导电通路可以与设备主体100建立连接通信连接。由于该导电通路垂直贯穿中间夹层，与设置在一侧的通用附加接口连接的方式相比，有效的缩短了数据传输通路的长度，更不需要采用在主板上垫高摄像机模组这样容易影响结构、光轴、排线等的技术方案。
因此，这样的导电通路在保持摄像机模组位于理想的空间位置的同时也能保障数据的传输。在一些实施例中，扩展附件的连接区可以设置在后盖的连接端口向下垂直延伸的空间内。这样的设置能够充分的利用 扩展附件中的空间。
在惯常的采用垫高摄像机模组的方式相比，一方面，该导电通路的传输距离极短(可能短于很多排线方案)，与排线相比，可靠性更高。另一方面，由于摄像机模组能够直接固定于后盖上，结构的稳固性以及光学性能能够很好的得到保证，如光轴不会发生偏移。
如图2所示，在使用所述导电通道建立主板与摄像机模组之间的通信连接的方案中，保证两个扩展附件之间的连接区的良好连接以及后盖上的接口端与导电通路(或设备主体的连接端口与导电通路)之间的良好连接是提供稳定的数据传输效果的重点。
在一些实施例中，如图5所示，可以将所述连接区201的一侧设置为凹陷部212，另一侧为向外凸起的第二触点211。所述第二触点211由所述导电介质向外延伸形成，所述第二触点211与凹陷部212相适配。
可选地，所述第二触点211可以采用与第一触点401相同的形状以及布置方式，作为标准化设计，便于实现不同模块之间的通用性。当然，也可以采用不相同的设置，能够保证形成足够的数量的通道，实现信号传输即可。
在本实施例中，两个扩展附件之间连接区的连接与设备本体和后盖之间的连接端口的连接采用了相同的插接式连接方式(即向外凸起的触点与对应的凹陷部的连接，如图2所示)。这样的设置，可以避免一些相对滑动或者微小的偏差的情况，使不同的两个扩展附件之间保持良好接触，保证数据的传输。
在另一些实施例中，所述连接区201的其中一侧或者两侧为可形变的软质结构，例如第二触点211一侧为软质结构。由于软质结构能够提供一定的形变量。因此，两层之间的触点与平面之间可以实现紧密压合，避免接触不良导致信号传输受影响。
可选地，如图7所示，所述连接区201的另一侧212还可以是软质的平面结构，第二触点(或第一触点)为硬质结构。在两层不同的扩展附件压合后，平面212受压变形，与第二触点紧密压合，保证良好接触。或者，所述连接区201的平面212以及第二触点(或第一触点)均为软 质结构。这样的设置在压合过程中也可以实现触点与平面之间的紧密接触，保证良好接触和信号传输的质量。惯常的，软质结构具有较强的弹性系数能够提供施加更强的压力以更好的保证触点之间的良好接触。
基于以上相类似的，由软质结构实现两个插接式连接的公连接端口与母连接端口之间的紧密压合的结构设计，在一些实施例中，可以在设备主体的连接端口与所述导电通路连接的位置设置为软质触点(或者平面)，例如，设置一层薄层的软性触点，从而保证设备主体的连接端口与扩展附件之间的紧密接触。
在一些实施例中，基于扩展附件之间、扩展附件与后盖的连接端口或者与设备主体的连接端口之间在装配过程中，可能无法完全对准，或者其它装配误差的考虑，扩展附件与向外凸出的第一触点(或者后盖的连接端口的第二触点)在与其相适配的平面212上的投影面积小于平面212，这样的结构设置可以为终端设备的装配提供一定的装配余量。
可选地，可以使用如图7所示，通过导电介质A在通孔表面延伸，形成一个较大的平坦表面B的方式使其接触面积大于所述第一触点或第二触点在该平面上的投影面积(为显示该平坦表面，图7中平坦表面的厚度较大，实际应用过程中一般为与平面212紧贴的结构)。这样的方式可以减小连接区中的通孔尺寸，可能对于维持较好的结构强度是有利的。
根据以上的实施例的描述，本领域技术人员可以理解的是，本发明实施例提供了如何在采用“三明治”结构的终端设备中，建立两层不同的结构之间(如不同的扩展附件之间、设备主体与扩展附件之间、后盖与扩展附件之间)的电连接的方式。
对于相邻的任意两层结构，均可以采用以上实施例描述的插接式连接的方式实现电连接，还可以根据实际情况，在其中的相邻的两层或者更多层中使用以上方法实施例描述的一种或者多种结构的组合，例如软质结构、或者触点式连接端口等。
一方面，通过设置该插接式连接的结构与通用接口相类似，通过可以叠加的方法建立随厚度变化的导电通路。因此，其可以方便的随不同 结构的添加或者减省而相应的变化。在具有统一的标准化设置的情况下，能够很好的实现模块化设计和装配，并且具有对不同的摄像头或者扩展附件的兼容性。
另一方面，上述连接结构建立的导电通路是一个垂直贯穿的通路，这样的数据传输的距离最短，能够保证后盖上的功能模组的数据传输的质量。
上述连接结构具体还可以根据需要，应用于其它更多的扩展附件中。例如，对于某些只能用于替换后盖的扩展附件，如相机模块、音响模块等，也可以根据实际情况，在其中固定设置具有上述第一触点结构的摄像机模组。当然，对于这些功能模块，也可以使用惯常的通用附加接口实现与上一层结构之间的电连接。
在实际的终端设备生产过程中，首先分别生产具有上述任一方法实施例的连接区的拓展附件、具有向外凸出的触点形式的接口端的功能模组(如摄像机模组)以及设备主体等。
然后对扩展附件、功能模组(其可以固定在后盖上)以及设备主体进行装配，装配过程中，对齐向外凸出的触点以及与触点相适应的凹陷部，保证两者之间的良好接触。
向外凸出的触点(第一或者第二触点)以及凹陷部(或者软质的平面)可以具有上述实施例中提及的一个或者多个技术特征以实现对应的效果。
当然，本发明实施例中提供的终端设备仍然具有足够的兼容性，能够结合使用原有的连接方式以及本发明实施例提供的连接结构，例如，如图6所示的终端拓展附件，在具有所述连接区201的同时也设置有通用的通用附加接口204。
由此，对于一些没有设置上述连接结构(即连接区)的扩展附件之间可以使用原有的通用附加接口连接，实现两层结构之间的数据传输。另一方面，该连接结构还能够提供另一个独立的传输通路，不需要占用通用附加接口。
以上所述仅为本发明的实施方式，并非因此限制本发明的专利范 围，凡是利用本发明说明书及附图内容所作的等效结构或等效流程变换，或直接或间接运用在其他相关的技术领域，均同理包括在本发明的专利保护范围内。

Claims (13)

  1. 一种终端设备，包括设备本体以及与所述设备本体连接的后盖，其特征在于，所述设备本体与后盖相对的一面设置有第一连接端口；后盖上设置有与所述第一连接点相适配的第二连接端口；
    所述第一连接端口与第二连接端口插接，形成用于连接设置在后盖的一个或多个功能模组与设备主体的第一导电通路。
  2. 根据权利要求1所述的终端设备，其特征在于，所述第二连接端口触点式端口；所述第一连接端口具有与所述触点式端口相适配的凹陷。
  3. 根据权利要求2所述的终端设备，其特征在于，所述触点式端口为若干球形触点组成的阵列。
  4. 根据权利要求2所述的终端设备，其特征在于，所述触点式端口具有与MIPI接口引脚数量对应的第一触点。
  5. 根据权利要求1所述的终端设备，其特征在于，所述终端设备还包括若干设置在所述后盖与设备本体之间的扩展附件；
    所述扩展附件包括一连接区；所述连接区内设置有若干贯穿所述扩展附件的通孔，所述通孔内填充有导电介质；
    相邻扩展附件的连接区电连接，形成纵向的第二导电通路；
    所述第二导电通路的一端与所述第一连接端口插接，另一端与所述第二连接端口插接。
  6. 根据权利要求5所述的终端设备，其特征在于，所述连接区设置在所述第二连接端口向下垂直延伸的空间内。
  7. 根据权利要求5所述的终端设备，其特征在于，所述导电介质在所述通孔的一端向外延伸形成第二触点；所述导电介质在所述通孔的另一端形成与所述第二触点相适配的凹陷。
  8. 根据权利要求5-7任一所述的终端设备，其特征在于，所述连接区的至少一侧为可形变的软质结构。
  9. 根据权利要求8所述的终端设备，其特征在于，所述导电介质 在所述通孔的一端向外延伸形成第二触点；所述导电介质在所述通孔的另一端形成平面连接点；所述平面连接点为可形变的软质结构。
  10. 根据权利要求9所述的终端设备，其特征在于，所述平面连接点的面积大于所述第二触点在所述平面连接点上的投影面积。
  11. 根据权利要求1-10任一所述的终端设备，其特征在于，所述终端设备为手机。
  12. 根据权利要求1-10任一所述的终端设备，其特征在于，所述功能模组为摄像机模组。
  13. 一种扩展附件，其特征在于，所述扩展附件包括一连接区；所述连接区内设置有若干贯穿所述扩展附件的通孔，所述通孔内填充有导电介质；
    相邻扩展附件的连接区电连接，形成纵向的第二导电通路。
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