WO2018090516A1 - 一种电子设备 - Google Patents

一种电子设备 Download PDF

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Publication number
WO2018090516A1
WO2018090516A1 PCT/CN2017/077739 CN2017077739W WO2018090516A1 WO 2018090516 A1 WO2018090516 A1 WO 2018090516A1 CN 2017077739 W CN2017077739 W CN 2017077739W WO 2018090516 A1 WO2018090516 A1 WO 2018090516A1
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WO
WIPO (PCT)
Prior art keywords
card
contact point
card holder
terminal
electronic device
Prior art date
Application number
PCT/CN2017/077739
Other languages
English (en)
French (fr)
Inventor
王奇亮
王小龙
雷高兵
Original Assignee
华为技术有限公司
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 华为技术有限公司 filed Critical 华为技术有限公司
Priority to JP2019526286A priority Critical patent/JP6960996B2/ja
Priority to US16/349,718 priority patent/US10873356B2/en
Priority to CN201780009654.2A priority patent/CN108604755B/zh
Priority to EP17871260.0A priority patent/EP3525297B1/en
Publication of WO2018090516A1 publication Critical patent/WO2018090516A1/zh

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/3816—Mechanical arrangements for accommodating identification devices, e.g. cards or chips; with connectors for programming identification devices
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
    • G06K7/0013—Methods or arrangements for sensing record carriers, e.g. for reading patterns by galvanic contacts, e.g. card connectors for ISO-7816 compliant smart cards or memory cards, e.g. SD card readers
    • G06K7/0021—Methods or arrangements for sensing record carriers, e.g. for reading patterns by galvanic contacts, e.g. card connectors for ISO-7816 compliant smart cards or memory cards, e.g. SD card readers for reading/sensing record carriers having surface contacts
    • 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
    • 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
    • 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
    • H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
    • H01R13/627—Snap or like fastening
    • 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
    • H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
    • H01R13/629—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances

Definitions

  • the present application relates to the field of electronic technologies, and in particular, to an electronic device.
  • an electronic device often needs to install various function cards and function cards for being installed in an electronic device and implementing various functions such as communication or storage.
  • a SIM card Subscriber Identification Module Card
  • an integrated circuit card Integrated Circuit Card
  • an expansion card a memory card, or the like.
  • a commonly used solution is to set a card holder of the function card above the printed circuit board of the electronic device, and install the function card on the card holder, and at the same time, through welding or wire
  • the method electrically connects the function card to the printed circuit board, thereby implementing the function card installation.
  • a function card shown in the figure
  • a card holder 02 is disposed on the printed circuit board 01.
  • the card holder 02 can accommodate the function card.
  • the terminal 02 is provided on the card holder 02, and the first end 031 of the terminal 03 is fixed on the card holder 02, and the middle portion is bent. Forming a contact point 032, the first end 031 is crimped or soldered together with the printed circuit board 01 through the connector 011 to electrically connect the terminal 03 to the printed circuit board 01, and the contact end 032 is used for electrical connection with the function card.
  • the function card can be electrically connected to the printed circuit board 01 through the terminal 03.
  • the second end 033 of the terminal 03 is slidably connected to the support portion 012 provided on the printed circuit board 01.
  • the function card is mounted on the card holder 02, so that the height of the card holder 02 directly affects the installation of the function card.
  • the thickness of the whole machine is not conducive to the thinness and beauty of the product.
  • the terminal 03 is connected to the printed circuit board, the first end 031 of the terminal 03 and the printed circuit board 01 are fixed by the connecting member 011, and the printed circuit board 01 corresponds to the second end 033 of the terminal 03.
  • a support portion 012 is provided to slide the second end 033 on the support portion 012 when the terminal 03 is deformed.
  • the connection point of the terminal 03 and the printed circuit board 01 and the support portion 012 also have a certain thickness, and the overall thickness of the electronic device is thick, it is more disadvantageous for the product to be thinner and more beautiful.
  • the embodiment of the present application provides an electronic device, which can reduce the thickness of the whole electronic device, and is advantageous for thinning and beautiful appearance of the product.
  • a first aspect of the present application provides an electronic device including a printed circuit board and a card holder, the card holder is configured to receive a function card, the printed circuit board is provided with a groove, and the card holder is disposed in the groove
  • the bottom surface of the recess is provided with n metal pads and n printed traces, and the n metal pads are electrically connected to the n printed traces in one-to-one correspondence.
  • n terminals are provided, each terminal is provided with a first contact point and a second contact point, and the first contact point is soldered to one of the n metal pads
  • the disk is in contact with the contact point, the second contact point being for contact with a metal contact point of a function card placed in the card holder.
  • a groove is disposed on the printed circuit board, and the card holder is disposed in the groove.
  • the groove directly brings the thickness of the whole device of the electronic device. cut back.
  • n metal pads and n printed traces are arranged on the bottom surface of the groove, and n metal pads are electrically connected to the n printed traces one by one, and the card holders are corresponding to n metal solders one by one.
  • the disk is provided with n terminals, each of which is provided with a first contact point and a second contact point, wherein the first contact point is in contact with one of the n metal pads, and the second contact point is used for It is in contact with a metal contact point of a function card placed in the card holder.
  • the first contact point of the terminal is in contact with one of the n metal pads, and the second contact point is in contact with a metal contact point of the function card, thereby electrically connecting the function card to the printed circuit board.
  • the first contact point of the terminal is in contact with the metal pad disposed on the bottom surface of the recess of the printed circuit board.
  • the method of crimping or soldering is not required under the premise that the terminal is electrically connected to the printed circuit board.
  • the printed circuit board is fixed, and the thickness of the connecting member and the supporting portion is omitted in the thickness of the whole electronic device, thereby further reducing the thickness of the whole machine, which is more conducive to the thinning and thinning of the whole electronic device, and is relatively beautiful.
  • the terminal is made of an elastic material, and the first contact point is in elastic contact with one of the n metal pads, The second contact point is for resiliently contacting a metal contact point of the function card placed in the card holder.
  • the terminal is made of an elastic material such that the first contact point is in elastic contact with one of the n metal pads, and the second contact point is in elastic contact with a metal contact point of the function card placed in the card holder,
  • the function card contacts the second contact point of the terminal and presses the terminal, and the terminal is deformed, so that the second end of the terminal slides along the metal pad on the printed circuit board, and the first contact point is welded with the metal.
  • the disc is always in contact.
  • the deformation of the terminal produces an elastic restoring force that makes the contact of the first contact point of the terminal with the metal pad and the contact of the second contact point and the function card more reliable.
  • the first end of the terminal is fixed on the card holder, the second end is the first contact point, and the first contact point passes through the
  • the card holder is in contact with one of the n metal pads, and a middle portion of the terminal is bent toward the function card to form the second contact point, and the second contact point is used for A metal contact point of the function card placed in the card holder is in contact contact.
  • the first end of the terminal is fixed on the card holder to fix the terminal, and the second end of the terminal passes through the card seat, so that the terminal is in contact with the metal pad, and is electrically connected to the printed circuit board through the printed trace,
  • the middle portion of the terminal is bent toward the function card to electrically connect the terminal to the function card, thus achieving the purpose of electrically connecting the function card to the printed circuit board through the terminal.
  • the card holder is provided with a through hole, and the terminal is located a first end of the terminal is fixed to a sidewall of the through hole, and a second end of the terminal passes through the through hole to make the first contact point and the n One of the metal pads is in contact with the contact.
  • the size of the through hole on the card holder can be variously arranged.
  • the area of the through hole is slightly larger than the area of the radial section of the terminal, which is enough for the second end of the terminal to pass through, but in order to reserve enough for the terminal
  • the deformation space can also be arranged at the through hole, and the size of the through hole can cause the entire terminal to be deformed in the through hole.
  • n is equal to 6, 7, or 8.
  • the electrical connection between the function card and the printed circuit board often requires a plurality of lines to be connected. Therefore, the terminals and the metal pads are all set to n and one-to-one correspondence to accommodate the connection of the function card and the n lines of the printed circuit board.
  • the connection points of the function card and the printed circuit board are six, seven or eight, and six of them are commonly used.
  • the upper cover of the card holder is provided with a card cover, and the card cover is engaged with the card holder and fixedly connected to the printed circuit board.
  • the card cover is disposed above the card holder to protect the function card, and the card cover can be used to fix the card holder on the printed circuit board.
  • the card cover includes a cover portion, and a side plate portion extending toward the printed circuit board around the cover portion, the cover cover Provided on the card holder, a middle portion of the side plate portion is engaged with the card holder, and an end portion of the side plate portion is fixedly connected to the printed circuit board.
  • the distance from the end of the side panel portion to the cover portion is 1 mm.
  • the method further includes a card tray disposed between the card holder and the card cover, and the card tray is provided with a function card mounting hole, and the function card is The mounting holes are adapted to the outer contour of the function card.
  • the setting of the Cato makes the installation of the function card more convenient, and the card holder is a separate component, and the card of various specifications can be installed by replacing the card tray.
  • the side cover portion of the card cover adjacent to the first end of the terminal has an opening, and the card tray can insert the card from the opening Between the seat and the card cover.
  • the terminal first contacts the second contact point of the terminal, and presses the terminal, and when the terminal is deformed, the second end of the terminal is soldered along the printed circuit board.
  • the direction in which the disk slides is the same as the direction in which the card tray is inserted, which facilitates the installation of the card tray.
  • the groove has a depth of 0.2 to 0.3 mm. Since the thickness of the printed circuit board has a standard size, if the depth of the groove formed on the printed circuit board is too large, the overall strength of the printed circuit board is affected, and therefore, considering the size of the printed circuit board of different specifications, The depth of the groove is set in the range of 0.2 to 0.3 mm, which can not reduce the overall strength of the printed circuit board under the premise of ensuring the reduction of the thickness of the electronic device.
  • FIG. 1 is a schematic structural view of an electronic device of the prior art
  • FIG. 2 is a schematic structural diagram of an electronic device according to an embodiment of the present application.
  • FIG. 3 is a schematic exploded view of an electronic device according to an embodiment of the present disclosure.
  • FIG. 4 is a schematic cross-sectional structural view of an electronic device according to an embodiment of the present application.
  • FIG. 5 is a schematic structural diagram of a card holder of an electronic device according to an embodiment of the present disclosure
  • FIG. 6 is a top view of an electronic device according to an embodiment of the present application.
  • FIG. 7 is a top plan view of a printed circuit board of an electronic device according to an embodiment of the present application.
  • FIG. 8 is a side view of a card holder of an electronic device according to an embodiment of the present invention mounted on a printed circuit board;
  • FIG. 9 is a side view of a card holder of an electronic device according to an embodiment of the present application, which is not mounted on a printed circuit board.
  • first and second are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, features defining “first” and “second” may include one or more of the features either explicitly or implicitly. In the description of the present invention, "a plurality” means two or more unless otherwise stated.
  • the embodiment of the present application provides an electronic device, as shown in FIG. 2, FIG. 3 and FIG. 4, comprising a printed circuit board 1 and a card holder 2, the card holder 2 is for accommodating the function card 3, and the printed circuit board 1 is provided with a groove. 11.
  • the card holder 2 is disposed in the recess 11.
  • the bottom surface of the recess 11 is provided with n metal pads 12 and n printed traces 13, n metal pads 12 and n printed traces 13
  • the n pairs of metal pads 12 on the card holder 2 are provided with n terminals 4, each of which is provided with a first contact point 41 and a second contact point 42, the first contact points 41 and n One of the metal pads 12 is in contact with the contact, and the second contact 42 is for contact with a metal contact point of the function card 3 placed in the card holder 2.
  • the recess 11 is disposed on the printed circuit board 1, and the card holder 2 is disposed in the recess 11. Compared with the prior art, the recess 11 can directly bring the electronic device. The thickness of the whole machine is reduced. At the same time, n metal pads 12 and n printed traces 13 are disposed on the bottom surface of the recess 11. The n metal pads 12 are electrically connected to the n printed traces 13 in one-to-one correspondence.
  • a corresponding one of the n metal pads 12 is provided with n terminals 4, each of which is provided with a first contact point 41 and a second contact point 42, wherein the first contact point 41 and the n metal pads 12 are A metal pad 12 is in contact with the contact, and a second contact point 42 is used for connection with a metal contact point of the function card 3 placed in the card holder 2.
  • the first contact 41 of the terminal 4 is in contact with one of the n metal pads 12, and the metal pad 12 is electrically connected to the printed circuit board 1 through the printed wiring 13.
  • the second contact point 42 is in contact with a metal contact point of the function card 3, so that the electrical connection of the function card 3 to the printed circuit board 1 can be achieved.
  • the first contact point 41 of the terminal 4 is in contact with the metal pad 12 disposed on the bottom surface of the recess 11 of the printed circuit board 1.
  • the method of crimping or soldering is fixed with the printed circuit board, and the thickness of the electronic device is thick. In terms of degree, the thickness of the connecting member and the supporting portion is omitted, and the thickness of the whole machine is further reduced, which is more conducive to the thinning and thinning of the whole electronic device, and is relatively beautiful.
  • the card holder 2 is disposed in the recess 11 , and a part of the card holder 2 shown in FIG. 2 may be located in the recess 11 , or the card holder 2 may completely sink into the recess 11 .
  • the terminal 4 is made of an elastic material, the first contact point 41 is elastically connected to one of the n metal pads 12, and the second contact point 42 is used for It is in elastic contact with a metal contact point of the function card placed in the card holder 2.
  • the terminal 4 is made of an elastic material such that the first contact point 41 is elastically connected to one of the n metal pads 12, and the second contact point 42 has a function of being placed in the card holder 2.
  • a metal contact point of the card 3 is elastically connected to contact.
  • the second end of the terminal 4 The metal pad 12 on the printed circuit board 1 slides, and the first contact point 41 is kept in contact with the metal pad 12 at all times.
  • the deformation of the terminal 4 produces an elastic restoring force which contributes to more reliable contact of the first contact point 41 of the terminal 4 with the metal pad 12, and the second contact point 42 and the function card 3.
  • the first end of the terminal 4 is fixed on the card holder, and the second end is the first contact point 41, the first contact The point 41 passes through the card holder 2 and is in contact with one of the n metal pads 12, and the middle portion of the terminal 4 is bent toward the function card 3 to form a second contact point 42, and the second contact point 42 is used for A metal contact point of the function card 3 placed in the card holder 2 is in contact contact.
  • the first end of the terminal 4 is fixed on the card holder 2 to fix the terminal 4, and the second end of the terminal 4 passes through the card holder 2 to electrically connect the terminal 4 with the printed circuit board 1, and at the same time, the middle of the terminal 4 is oriented
  • the function card 3 is bent so that the terminal 4 is electrically connected to the function card 3, thus achieving the purpose of electrically connecting the function card 3 to the printed circuit board 1 through the terminal 4.
  • the card holder 2 is provided with a through hole 21, and the printed circuit board 1 is provided with a metal pad 12, the terminal 4 is located at the through hole 21, and the first end of the terminal 4 and the side wall of the through hole 21 Fixed, the second end of the terminal 4 passes through the through hole 21 such that the first contact point 41 is in connection with one of the n metal pads 12.
  • the size of the through hole 21 in the card holder 2 can be variously arranged.
  • the area of the through hole 21 is slightly larger than the area of the radial cross section of the terminal 4, which is sufficient for the second end of the terminal 4 to pass through, but, A sufficient deformation space is reserved for the terminal 4.
  • the terminal 4 is disposed at the through hole 21.
  • the size of the through hole 21 can cause the entire terminal 4 to be deformed in the through hole 21, thereby ensuring that the terminal 4 is sufficient.
  • the deformation space is advantageous for reducing the distance between the function card 3 and the printed circuit board 2, and further reducing the overall thickness of the electronic device.
  • n 6 7 or 8.
  • the terminals 4 are evenly distributed on the card holder 2 by six, and the metal pads 12 are six, and are in one-to-one correspondence with the first contact points 41 of the terminals 4.
  • the terminal 4 and the metal pad 12 are both set to six, and one-to-one correspondence can be adapted to the connection of the function card 3 and the six lines of the printed circuit board 1.
  • the terminal 4 and the metal pad 12 may be respectively set to eight in one-to-one correspondence.
  • the card cover 2 is covered with a card cover 5, and the card cover 5 is engaged with the card holder 2 and fixedly connected to the printed circuit board 1.
  • the card cover 5 is disposed above the card holder 2 to protect the function card 3, and the card cover 5 can be used to fix the card holder 2 to the printed circuit board 1.
  • the card cover 5 includes a cover portion 51, and a portion extending toward the printed circuit board 1 around the cover portion 51.
  • the side plate portion 52 covers the cover portion 51, the middle portion of the side plate portion 52 is engaged with the card holder 2, and the end portion of the side plate portion 52 is fixedly connected to the printed circuit board 1.
  • the cover portion 51 of the card cover 5 Since the end of the side plate portion 52 of the card cover 5 is for connection with the printed circuit board, and the cover portion 51 of the card cover 5 is covered above the card holder 2, in order to reserve the cover portion 51 and the printed circuit board 1 Between the space for mounting the function card 3, the distance from the end of the side plate portion of the card cover 5 to the cover portion 51 is limited, and after a plurality of tests, the end portion of the side plate portion 52 is brought to the cover plate.
  • the distance of the portion 51 is set to 1 mm.
  • the card holder 6 disposed between the card holder 2 and the card cover 5 is further provided.
  • the card holder 6 is provided with a function card mounting hole 61, and the function card is installed.
  • the hole 61 is adapted to the outer contour of the function card 3.
  • the function card is more conveniently installed, and the card tray 6 is a separate component, and the card tray 6 can be replaced to realize the installation of the function card 3 of various specifications.
  • the function card mounting hole 61 on the card tray 6 may be designed to be adapted to the shape of the function card 3 of various specifications, and further, the function card 3 of various specifications can be realized. installation.
  • the side plate portion 52 of the card cover 5 on the side close to the first end of the terminal 4 has an opening 521 through which the card holder 6 can be inserted between the card holder 2 and the card cover 5.
  • the terminal 4 first contacts the second contact point 42 of the terminal 4, and presses the terminal 4, and when the terminal 4 is deformed, the terminal 4 is The second end is in the direction in which the metal pad 12 of the printed circuit board 1 slides, and the direction in which the card tray 6 is inserted is aligned to facilitate the mounting of the card tray.
  • the depth of the groove 11 provided on the printed circuit board directly determines the thickness of the entire electronic device. It has been verified that the depth of the groove 11 is 0.2 to 0.3 mm. Referring to FIGS. 8 and 9, since the thickness of the printed circuit board 1 has a standard size, if the depth of the groove 11 formed in the printed circuit board 1 is too large, the overall strength of the printed circuit board 1 is affected, and therefore, different specifications are considered. In the case of the size of the printed circuit board 1, the depth of the recess 11 is set in the range of 0.2 to 0.3 mm, and the strength of the entire printed circuit board 1 can be prevented without reducing the thickness of the entire electronic device.

Abstract

一种电子设备，涉及电子技术领域，可减少电子设备整机厚度，利于产品的轻薄化和美观。该电子设备包括印刷电路板（1）和卡座（2），所述卡座（2）用于容纳功能卡（3），所述印刷电路板（1）开设有凹槽（11），所述卡座（2）设置于所述凹槽（11）内，所述凹槽（11）的底面设置有n个金属焊盘（12）和n条印制走线（13），所述n个金属焊盘（12）与所述n条印制走线（13）一一对应电连接，所述卡座（2）上一一对应所述n个金属焊盘（12）设置有n个端子（4），每个端子（4）均设置有第一接触点（41）和第二接触点（42），所述第一接触点（41）与所述n个金属焊盘（12）中的一个金属焊盘（12）连接接触，所述第二接触点（42）用于与放置在所述卡座（2）内的功能卡（3）的一个金属接触点连接接触，n为大于1的整数。

Description

一种电子设备
本申请要求于2016年11月17日提交中国专利局、申请号为201611018015.6、发明名称为“一种SIM卡座和终端”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本申请涉及电子技术领域，尤其涉及一种电子设备。
背景技术
随着通信随着科学的不断进步，电子技术的不断发展，电子设备的结构、样式、性能也日益频繁。同时，人们对电子设备的外形尺寸的要求也越来越多，越来越高，轻薄化和美观逐渐成为人们选择电子设备的主要标准。一般的，电子设备为实现客户识别或性能扩展，常需要安装各种各样的功能卡，功能卡，用于安装在电子设备中并实现通信或存储等多种功能。例如，SIM卡(Subscriber Identification Module Card)、集成电路卡(Integrated Circuit Card)，扩展卡或存储卡等。
现有技术中，在电子设备上安装功能卡时，常采用的方案是在电子设备的印刷电路板上方设置功能卡的卡座，将功能卡安装在卡座上，同时，通过焊接或者导线的方式将功能卡与印刷电路板电连接，进而实现功能卡的安装。具体的，如图1所示，为现有技术的一种电子设备，为在印刷电路板01上电气连接功能卡(图中为示出)，在印刷电路板01上设有卡座02，卡座02内可容纳功能卡，为实现功能卡与印刷电路板01的电气连接，在卡座02上设有端子03，端子03的第一端031固定在卡座02上，且中部弯折形成接触点032，第一端031与印刷电路板01通过连接件011压接或焊接在一起，以实现端子03与印刷电路板01的电连接，接触端032用于与功能卡电气连接，进而功能卡通过端子03可与印刷电路板01电气连接。同时，为适应功能卡安装时，端子03发生的形变，端子03的第二端033与设置在印刷电路板01上的支撑部012滑动连接。
但是，如图1所示，现有技术的方案中，由于卡座02固定在印刷电路板01上，功能卡安装在卡座02上，这样，卡座02的高度直接影响了安装功能卡的电子设备的整机厚度，不利于产品的轻薄化和美观。另外，现有技术中的端子03为了与印刷电路板电01连接，端子03的第一端031与印刷电路板01通过连接件011固定，同时，印刷电路板01对应端子03的第二端033设有支撑部012，以在端子03发生变形时第二端033可在支撑部012上滑动。这样，由于端子03与印刷电路板01的连接点、以及支撑部012也具有一定的厚度，进而电子设备的整体厚度较厚，更加不利于产品的轻薄化和美观。
发明内容
本申请的实施例提供一种电子设备，可减少电子设备整机厚度，利于产品的轻薄化和美观。
为达到上述目的，本申请的实施例采用如下技术方案：
本申请第一方面提供一种电子设备，包括印刷电路板和卡座，所述卡座用于容纳功能卡，所述印刷电路板开设有凹槽，所述卡座设置于所述凹槽内，所述凹槽的底面设置有n个金属焊盘和n条印制走线，所述n个金属焊盘与所述n条印制走线一一对应电连接，所述卡座上一一对应所述n个金属焊盘设置有n个端子，每个端子均设置有第一接触点和第二接触点，所述第一接触点与所述n个金属焊盘中的一个金属焊盘连接接触，所述第二接触点用于与放置在所述卡座内的功能卡的一个金属接触点连接接触。
本申请实施例提供的电子设备，在印刷电路板上设置了凹槽，并将卡座设置于凹槽内，相比较现有技术，凹槽可直接的带来电子设备的整机的厚度的减少。同时，在凹槽的底面设置有n个金属焊盘和n条印制走线，n个金属焊盘与n条印制走线一一对应电连接，卡座上一一对应n个金属焊盘设置有n个端子，每个端子均设置有第一接触点和第二接触点，其中，第一接触点与n个金属焊盘中的一个金属焊盘连接接触，第二接触点用于与放置在卡座内的功能卡的一个金属接触点连接接触。这样，通过端子的第一接触点与n个金属焊盘中的一个金属焊盘连接接触，第二接触点与功能卡的一个金属接触点连接接触，可实现功能卡与印刷电路板的电气连接。端子的第一接触点与设置在印刷电路板的凹槽底面的金属焊盘接触，相比较现有技术，在实现端子与印刷电路板电气连接的前提下，不需要压接或焊接的方式与印刷电路板固定，在电子设备整机厚度上，省去了连接件和支撑部的厚度，进一步使减小整机厚度，更加利于电子设备整机的轻薄化，且比较美观。
在第一方面的第一种可选的实现方式中，所述端子由弹性材料制成，所述第一接触点与所述n个金属焊盘中的一个金属焊盘弹性连接接触，所述第二接触点用于与放置在所述卡座内的功能卡的一个金属接触点弹性连接接触。端子由弹性材料制成，使第一接触点与n个金属焊盘中的一个金属焊盘弹性连接接触，第二接触点与放置在卡座内的功能卡的一个金属接触点弹性连接接触，在功能卡安装时，功能卡与端子的第二接触点接触并挤压端子，端子发生形变，这样，端子的第二端沿印刷电路板上的金属焊盘滑动，第一接触点与金属焊盘一直保持接触。端子的形变产生一个弹性回复力，使端子的第一接触点与金属焊盘，以及第二接触点和功能卡的接触更可靠。
在第一方面的第二种可选的实现方式中，所述端子的第一端固定在所述卡座上，第二端为所述第一接触点，所述第一接触点穿过所述卡座与所述n个金属焊盘中的一个金属焊盘连接接触，所述端子的中部朝向所述功能卡弯折，形成所述第二接触点，所述第二接触点用于与放置在所述卡座内的功能卡的一个金属接触点连接接触。端子的第一端固定在卡座上，以将端子固定，端子的第二端穿过卡座，以使端子与金属焊盘连接接触，进而通过印制走线与印刷电路板电连接，同时，端子的中部朝向功能卡弯折，以使端子与功能卡电连接，这样，实现了功能卡通过端子与印刷电路板电连接的目的。
在第一方面的第三种可选的实现方式中，所述卡座上设置有通孔，所述端子位于 所述通孔处，所述端子的第一端与所述通孔的侧壁固定，所述端子的第二端穿过所述通孔，以使所述第一接触点与所述n个金属焊盘中的一个金属焊盘连接接触。卡座上通孔的大小可以有多种设置方式，例如，通孔的面积略大于端子的径向截面的面积，足以让端子的第二端穿过就可以，但是，为了给端子预留足够的形变空间，也可以将端子设置在通孔处，通孔的大小可以使整个端子在通孔内发生形变。
在第一方面的第四种可选的实现方式中，n等于6，7或8。功能卡与印刷电路板的电连接往往需要多条线路的连接，因此，将端子和金属焊盘均设置为n个，且一一对应，以适应功能卡与印刷电路板n条线路的连接，一般的，功能卡与印刷电路板的线路连接点为六个、七个或八个，其中六个的情况比较常用。
在第一方面的第五种可选的实现方式中，所述卡座上方盖设有卡盖，所述卡盖与所述卡座卡接，且与所述印刷电路板固定连接。卡盖设置在卡座上方，可以对功能卡起保护的功能，且可利用卡盖来将卡座固定在印刷电路板上。
在第一方面的第六种可选的实现方式中，所述卡盖包括盖板部，以及围绕所述盖板部一周朝向所述印刷电路板延伸的侧板部，所述盖板部盖设于所述卡座上，所述侧板部的中部与所述卡座卡接，所述侧板部的端部与所述印刷电路板固定连接。
在第一方面的第七种可选的实现方式中，所述侧板部的端部到所述盖板部的距离为1毫米。
在第一方面的第八种可选的实现方式中，还包括设置于所述卡座和所述卡盖之间的卡托，所述卡托上开设有功能卡安装孔，所述功能卡安装孔与所述功能卡的外轮廓相适应。卡托的设置使功能卡的安装更加方便，且卡托为单独的零部件，可以通过更换卡托来实现多种规格的功能卡的安装。
在第一方面的第九种可选的实现方式中，所述卡盖靠近所述端子第一端的一侧的侧板部上具有开口，所述卡托可从所述开口插入所述卡座和所述卡盖之间。这样，卡托从开口处插入卡座和卡盖之间时，端子先接触到端子的第二接触点，并挤压端子，端子发生形变时，端子的第二端沿印刷电路板的金属焊盘滑动的方向，与卡托插入的方向一致，便于卡托的安装。
在第一方面的第十种可选的实现方式中，所述凹槽的深度为0.2～0.3毫米。由于印刷电路板的厚度有标准尺寸，如果在印刷电路板上开设的凹槽深度过大，会影响印刷电路板的整体强度，因此，在考虑不同规格的印刷电路板的尺寸的情况下，将凹槽的深度设置在0.2～0.3毫米的范围内，可以在保证减少电子设备整机厚度的前提下，不影响印刷电路板整体的强度。
附图说明
下面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为现有技术的一种电子设备的结构示意图；
图2为本申请实施例提供的电子设备的结构示意图；
图3为本申请实施例提供的电子设备的分解结构示意图；
图4为本申请实施例提供的电子设备的横截面结构示意图；
图5为本申请实施例提供的电子设备的卡座的结构示意图；
图6为本申请实施例提供的电子设备的俯视图；
图7为本申请实施例提供的电子设备的印刷电路板的俯视图；
图8为本申请实施例提供的电子设备的卡座安装在印刷电路板上的侧视图；
图9为本申请实施例提供的电子设备的卡座未安装在印刷电路板上的侧视图。
具体实施方式
下面将结合本申请实施例中的附图，对本申请实施例中的技术方案进行描述。
在本申请的描述中，术语“中心”、“上”、“下”、“前”、“后”、“左”、“右”、“竖直”、“水平”、“顶”、“底”、“内”、“外”等指示的方位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述本申请和简化描述，而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本申请的限制。
术语“第一”、“第二”仅用于描述目的，而不能理解为指示或暗示相对重要性或者隐含指明所指示的技术特征的数量。由此，限定有“第一”、“第二”的特征可以明示或者隐含地包括一个或者更多个该特征。在本发明的描述中，除非另有说明，“多个”的含义是两个或两个以上。
在本申请的描述中，需要说明的是，除非另有明确的规定和限定，术语“安装”、“相连”、“连接”应做广义理解，例如，可以是固定连接，也可以是可拆卸连接，或一体地连接；对于本领域的普通技术人员而言，可以具体情况理解上述术语在本申请中的具体含义。
本申请实施例提供一种电子设备，如图2、图3和图4所示，包括印刷电路板1和卡座2，卡座2用于容纳功能卡3，印刷电路板1开设有凹槽11，卡座2设置于凹槽11内，凹槽11的底面设置有n个金属焊盘12和n条印制走线13，n个金属焊盘12与n条印制走线13一一对应电连接，卡座2上一一对应n个金属焊盘12设置有n个端子4，每个端子4均设置有第一接触点41和第二接触点42，第一接触点41与n个金属焊盘12中的一个金属焊盘12连接接触，第二接触点42用于与放置在卡座2内的功能卡3的一个金属接触点连接接触。
本申请实施例提供的电子设备，在印刷电路板1上设置了凹槽11，并将卡座2设置于凹槽11内，相比较现有技术，凹槽11可直接的带来电子设备的整机的厚度的减少。同时，在凹槽11的底面设置有n个金属焊盘12和n条印制走线13，n个金属焊盘12与n条印制走线13一一对应电连接，卡座2上一一对应n个金属焊盘12设置有n个端子4，每个端子4均设置有第一接触点41和第二接触点42，其中，第一接触点41与n个金属焊盘12中的一个金属焊盘12连接接触，第二接触点42用于与放置在卡座2内的功能卡3的一个金属接触点连接接触。这样，通过端子4的第一接触点41与n个金属焊盘12中的一个金属焊盘12连接接触，金属焊盘12通过印刷走线13与印刷电路板1电连接。第二接触点42与功能卡3的一个金属接触点连接接触，可实现功能卡3与印刷电路板1的电气连接。端子4的第一接触点41与设置在印刷电路板1的凹槽11底面的金属焊盘12接触，相比较现有技术，在实现端子4与印刷电路板1电气连接的前提下，不需要压接或焊接的方式与印刷电路板固定，在电子设备整机厚 度上，省去了连接件和支撑部的厚度，进一步使减小整机厚度，更加利于电子设备整机的轻薄化，且比较美观。
需要说明的是，卡座2设置于凹槽11内，可以是如图2所示的卡座2的一部分位于凹槽11内，也可以是卡座2完全沉入凹槽11内。
为方便功能卡3安装在卡座2内，端子4由弹性材料制成，第一接触点41与n个金属焊盘12中的一个金属焊盘12弹性连接接触，第二接触点42用于与放置在卡座2内的功能卡的一个金属接触点弹性连接接触。参照图4，端子4由弹性材料制成，使第一接触点41与n个金属焊盘12中的一个金属焊盘12弹性连接接触，第二接触点42与放置在卡座2内的功能卡3的一个金属接触点弹性连接接触，在功能卡3安装时，功能卡3与端子4的第二接触点42接触并挤压端子4，端子4发生形变，这样，端子4的第二端沿印刷电路板1上的金属焊盘12滑动，第一接触点41与金属焊盘12一直保持接触。端子4的形变产生一个弹性回复力，有助于端子4的第一接触点41与金属焊盘12，以及第二接触点42和功能卡3的接触更可靠。
为实现功能卡3通过端子4与印刷电路板1电连接的目的，参照图4和图5，端子4的第一端固定在卡座上，第二端为第一接触点41，第一接触点41穿过卡座2与n个金属焊盘12中的一个金属焊盘12连接接触，端子4的中部朝向功能卡3弯折，形成第二接触点42，第二接触点42用于与放置在卡座2内的功能卡3的一个金属接触点连接接触。端子4的第一端固定在卡座2上，以将端子4固定，端子4的第二端穿过卡座2，以使端子4与印刷电路板1电连接，同时，端子4的中部朝向功能卡3弯折，以使端子4与功能卡3电连接，这样，实现了功能卡3通过端子4与印刷电路板1电连接的目的。
参照图5和图6，卡座2上设置有通孔21，印刷电路板1上设有金属焊盘12，端子4位于通孔21处，端子4的第一端与通孔21的侧壁固定，端子4的第二端穿过通孔21，以使第一接触点41与n个金属焊盘12中的一个金属焊盘12连接接触。卡座2上通孔21的大小可以有多种设置方式，例如，通孔21的面积略大于端子4的径向截面的面积，足以让端子4的第二端穿过就可以，但是，为了给端子4预留足够的形变空间，如图5所示，将端子4设置在通孔21处，通孔21的大小可以使整个端子4在通孔21内发生形变，进而保证端子4足够的形变空间，且有利于减少功能卡3和印刷电路板2之间的距离，进一步减小电子设备的整机厚度。
功能卡3与印刷电路板1的电连接往往需要n条线路的连接，一般的，功能卡3和印刷电路板1的线路连接点为六个、七个或八个，其中六个的情况比较常用。因此，n等于6，7或8。例如，如图5和图7所示，为端子4在卡座2上均匀分布有六个，金属焊盘12为六个，且与端子4的第一接触点41一一对应。将端子4和金属焊盘12均设置为六个，且一一对应，可以适应功能卡3与印刷电路板1六条线路的连接。当然，如果需要适应功能卡3和印刷电路板1的线路连接点为八个的情况，也可以将端子4和金属焊盘12一一对应分别设置为八个。
如图2和图3所示，卡座2上方盖设有卡盖5，卡盖5与卡座2卡接，且与印刷电路板1固定连接。卡盖5设置在卡座2上方，可以对功能卡3起保护的功能，且可利用卡盖5来将卡座2固定在印刷电路板1上。
为了利于卡盖5来将卡座2固定在印刷电路板1上，如图8和图9所示，卡盖5包括盖板部51，以及围绕盖板部51一周朝向印刷电路板1延伸的侧板部52，盖板部51盖设于卡座2上，侧板部52的中部与卡座2卡接，侧板部52的端部与印刷电路板1固定连接。
由于卡盖5的侧板部52的端部用于与印刷电路板连接，且卡盖5的盖板部51盖设在卡座2上方，为了预留出盖板部51和印刷电路板1之间用于安装功能卡3的空间，对卡盖5的侧板部的端部到盖板部51的距离进行了限定，经过多次试验验证，将侧板部52的端部到盖板部51的距离设置为1毫米。
为了方便功能卡3的安装，如图2和图3所示，还包括设置于卡座2和卡盖5之间的卡托6，卡托6上开设有功能卡安装孔61，功能卡安装孔61与功能卡3的外轮廓相适应。在设置了卡托6后，使功能卡的安装更加方便，且卡托6为单独的零部件，可以通过更换卡托6来实现多种规格的功能卡3的安装。需要说明的是，参照图3，也可以是将卡托6上的功能卡安装孔61设计成可适应多种规格的功能卡3安装的形状，进而也能实现多种规格的功能卡3的安装。
参照图2和图3，卡盖5靠近端子4第一端的一侧的侧板部52上具有开口521，卡托6可从开口521插入卡座2和卡盖5之间。这样，卡托6从开口521处插入卡座2和卡盖5之间时，端子4先接触到端子4的第二接触点42，并挤压端子4，端子4发生形变时，端子4的第二端沿印刷电路板1的金属焊盘12滑动的方向，与卡托6插入的方向一致，便于卡托的安装。
印刷电路板上设置的凹槽11的深度，直接决定电子设备整机的厚度大小，经过实际验证，凹槽11的深度为0.2～0.3毫米时比较合适。参照图8和图9，由于印刷电路板1的厚度有标准尺寸，如果在印刷电路板1上开设的凹槽11深度过大，会影响印刷电路板1的整体强度，因此，在考虑不同规格的印刷电路板1的尺寸的情况下，将凹槽11的深度设置在0.2～0.3毫米的范围内，可以在保证减少电子设备整机厚度的前提下，不影响印刷电路板1整体的强度。
最后应说明的是：以上实施例仅用以说明本申请的技术方案，而非对其限制；尽管参照前述实施例对本申请进行了详细的说明，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申请各实施例技术方案的精神和范围。

Claims (11)

  1. 一种电子设备，包括印刷电路板和卡座，所述卡座用于容纳功能卡，其特征在于，所述印刷电路板开设有凹槽，所述卡座设置于所述凹槽内，所述凹槽的底面设置有n个金属焊盘和n条印制走线，所述n个金属焊盘与所述n条印制走线一一对应电连接，所述卡座上一一对应所述n个金属焊盘设置有n个端子，每个端子均设置有第一接触点和第二接触点，所述第一接触点与所述n个金属焊盘中的一个金属焊盘连接接触，所述第二接触点用于与放置在所述卡座内的功能卡的一个金属接触点连接接触，n为大于1的整数。
  2. 根据权利要求1所述的电子设备，其特征在于，所述端子由弹性材料制成，所述第一接触点与所述n个金属焊盘中的一个金属焊盘弹性连接接触，所述第二接触点用于与放置在所述卡座内的功能卡的一个金属接触点弹性连接接触。
  3. 根据权利要求1或2所述的电子设备，其特征在于，所述端子的第一端固定在所述卡座上，第二端为所述第一接触点，所述第一接触点穿过所述卡座与所述n个金属焊盘中的一个金属焊盘连接接触，所述端子的中部朝向所述功能卡弯折，形成所述第二接触点，所述第二接触点用于与放置在所述卡座内的功能卡的一个金属接触点连接接触。
  4. 根据权利要求3所述的电子设备，其特征在于，所述卡座上设置有通孔，所述端子位于所述通孔处，所述端子的第一端与所述通孔的侧壁固定，所述端子的第二端穿过所述通孔，以使所述第一接触点与所述n个金属焊盘中的一个金属焊盘连接接触。
  5. 根据权利要求4所述的电子设备，其特征在于，n等于6，7或者8。
  6. 根据权利要求3～5中任一项所述的电子设备，其特征在于，所述卡座上方盖设有卡盖，所述卡盖与所述卡座卡接，且与所述印刷电路板固定连接。
  7. 根据权利要求6所述的电子设备，其特征在于，所述卡盖包括盖板部，以及围绕所述盖板部一周朝向所述印刷电路板延伸的侧板部，所述盖板部盖设于所述卡座上，所述侧板部的中部与所述卡座卡接，所述侧板部的端部与所述印刷电路板固定连接。
  8. 根据权利要求7所述的电子设备，其特征在于，所述侧板部的端部到所述盖板部的距离为1毫米。
  9. 根据权利要求7所述的电子设备，其特征在于，还包括设置于所述卡座和所述卡盖之间的卡托，所述卡托上开设有功能卡安装孔，所述功能卡安装孔与所述功能卡的外轮廓相适应。
  10. 根据权利要求9所述的电子设备，其特征在于，所述卡盖靠近所述端子第一端的一侧的侧板部上具有开口，所述卡托可从所述开口插入所述卡座和所述卡盖之间。
  11. 根据权利要求1～10中任一项所述的电子设备，其特征在于，所述凹槽的深度为0.2～0.3毫米。
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