WO2012129837A1 - 一种天线 - Google Patents

一种天线 Download PDF

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Publication number
WO2012129837A1
WO2012129837A1 PCT/CN2011/074924 CN2011074924W WO2012129837A1 WO 2012129837 A1 WO2012129837 A1 WO 2012129837A1 CN 2011074924 W CN2011074924 W CN 2011074924W WO 2012129837 A1 WO2012129837 A1 WO 2012129837A1
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WO
WIPO (PCT)
Prior art keywords
coil
mobile terminal
antenna
coil carrier
carrier
Prior art date
Application number
PCT/CN2011/074924
Other languages
English (en)
French (fr)
Inventor
刘洪涛
罗迤宝
王凯
Original Assignee
中兴通讯股份有限公司
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.)
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Publication date
Application filed by 中兴通讯股份有限公司 filed Critical 中兴通讯股份有限公司
Publication of WO2012129837A1 publication Critical patent/WO2012129837A1/zh

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q7/00—Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/12—Supports; Mounting means
    • H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
    • H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
    • H01Q1/241—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM
    • H01Q1/242—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use

Definitions

  • the utility model relates to the field of wireless communication, in particular to an antenna. Background technique
  • RFID Radio Frequency Identification
  • NFC near field communication, near field communication
  • the RFID system installed inside the electronic device generally consists of the following three parts: A reader/writer for reading and writing data to the user identification module.
  • a radio frequency card is a form of information carrier that transmits data wirelessly, and has unique advantages such as data processing and security authentication.
  • the radio frequency identification antenna (Antenna), which is a closed conductive coil, the number of turns of the coil and the size of the enclosed area directly determine the antenna performance.
  • An induced current is generated on the coil, and the information on the RF card is read and transmitted to the reader to realize the RF communication.
  • a radio frequency identification antenna For the radio frequency identification function integrated on the mobile terminal electronic device, a radio frequency identification antenna must be integrated in the terminal to implement the radio frequency identification function within a certain distance.
  • the function module is more and more, and the space reserved for the RFID antenna is obviously insufficient, which increases the difficulty of designing the RFID antenna in the terminal and the layout of related functional modules, and improves the difficulty.
  • the design cost of the antenna In addition, multiple highly integrated functional modules for RF in the terminal The identification of antenna interference is also becoming more and more serious, which interferes with the transmission of the RFID antenna signal and reduces the performance of the RFID antenna. Summary of the invention
  • the main purpose of the utility model is to provide an antenna to reduce the design cost, to ensure installation and use, and to have good performance.
  • An antenna comprising a coil disposed on a coil carrier detachable from a mobile terminal; wherein when the coil carrier is used with the mobile terminal, the coil is coupled to a radio frequency card in the mobile terminal.
  • the coil encloses a trace on the coil carrier.
  • the coils are routed along the edge of the coil carrier.
  • the area enclosed by the coil on the coil carrier is a planar area.
  • the area of the planar area surrounded by the coil on the coil carrier is greater than or equal to 4 square centimeters.
  • the coil carrier is a sheet coil carrier.
  • the coil carrier is a sheet-shaped stylus.
  • the coil includes two outlet heads, the coil carrier includes a connection sleeve; the connection sleeve includes a connection pin, one outlet of the coil is connected to the connection pin, and another outlet is connected to the connection Sleeve connection
  • the coupling sleeve is inserted into the mobile terminal when the coil carrier is mated with the mobile terminal.
  • the connecting sleeve is a conductive sleeve
  • the connecting pin is a conductive connecting pin
  • a mobile terminal comprising the antenna according to any one of claims 1 to 9.
  • the antenna provided by the utility model comprises a coil and a coil carrier, and the coil is arranged on the line On the ring carrier, the coil carrier is detachable from the mobile terminal.
  • the coil carrier is inserted into the mobile terminal to cooperate with the mobile terminal, and the coil on the coil carrier is connected with the radio frequency card in the mobile terminal, thereby completing the process of radio frequency transmission identification. Therefore, the antenna provided by the present invention can be externally placed on the mobile terminal, especially for a mobile terminal having a handwriting function, and the antenna can be skillfully set on the stylus without adding any hardware additional cost to the mobile terminal.
  • the design and installation cost ensures the reliable transmission of the signal, improves the performance of the antenna, and improves the user experience.
  • FIG. 1 is a schematic view of a winding of a coil on a coil carrier according to an embodiment of the present invention
  • FIG. 2 is a schematic diagram of an antenna and a mobile terminal according to an embodiment of the present invention.
  • Embodiment 1
  • the antenna in this embodiment is an NFC antenna that cooperates with the mobile terminal.
  • the radio frequency card in the mobile terminal is connected to the antenna, so that the corresponding information on the radio frequency card is sent to the antenna by the antenna.
  • the antenna in this embodiment includes a coil carrier and a coil, and the coil carrier is detachable from the mobile terminal.
  • the coil carrier can be inserted into the mobile terminal.
  • the coil is disposed on the coil carrier, and the coil is closed on the coil carrier, and the coil is connected to the radio frequency card in the mobile terminal when the coil carrier is inserted into the mobile terminal.
  • the coil in this embodiment is routed along the edge of the coil carrier to facilitate transmission and reception of the antenna signal. Because the performance of the antenna is related to the number of turns of the coil and the area enclosed by the coil when the wire is closed (eg: The larger the area enclosed, the better the performance, the farther the signal is transmitted.
  • the area enclosed by the coil is also ensured to be effective for the effective transmission of the antenna within the effective distance. Signal requirements.
  • the area enclosed by the coil is greater than or equal to 4 square centimeters, the performance of the antenna can be satisfied.
  • the area surrounded by the coil trace in this embodiment is a planar area.
  • the coil carrier in this embodiment may be a sheet-shaped carrier, and the sheet-shaped carrier may be a plane on one side of the coil trace, or all the faces are flat.
  • all the chip-shaped coil carriers whose planes are planar are selected, and the shape of the chip coil carrier can be any shape on the plane, and only the coil is required to be enclosed.
  • the area satisfies the requirements of the antenna performance, and the coil carrier can be well matched with the mobile terminal when inserted into the mobile terminal.
  • one end of the coil carrier inserted into the mobile terminal may include a connecting sleeve, and when the connecting sleeve is inserted into the mobile terminal, it can cooperate with a large sleeve connected to the RF card in the mobile terminal to achieve reliable connection.
  • the connecting sleeve includes a connecting pin, the connecting pin is located at a central position in the sleeve, and is not in contact with the side wall of the sleeve, and the outlet head after the winding of the coil (including two in the embodiment) respectively The connecting sleeve is connected to the connecting pin.
  • the coil and the RF card are also reliably connected, thereby ensuring that the antenna can transmit the information on the RF card to the corresponding reader.
  • Embodiment 2 is a diagrammatic representation of Embodiment 1:
  • the coil carrier in this embodiment may be a stylus
  • the mobile terminal may be a mobile terminal, a palmtop computer, a tablet computer or the like.
  • a mobile phone having a handwriting function (a mobile phone having no handwriting function is also suitable for the present solution) is further described as an example.
  • the radio frequency card in this embodiment may be a SIM card, a TF card, a built-in chip of a mobile phone, or the like.
  • the stylus in this embodiment has four sides, and the arrangement line One side of the circle and its opposite face on the stylus are flat, and the other two faces may be faces of any shape.
  • Fig. 1 only the portion of the coil carrier on which the coil is arranged is shown.
  • the surface of the coil carrier 1 on which the coil 3 is arranged is planar, and the coil 3 is routed along the edge of the coil carrier 1 to facilitate signal transmission.
  • the area of the area 2 surrounded by the coil 3 is larger than 4 cm 2 (preferably 4 cm 2 in consideration of the size of the stylus).
  • the two outlet heads 41 and 42 of the coil 3 are respectively connected to 41' and 42' in Fig.
  • the links 41' and 42' are the traces of the outlet heads 41 and 42 respectively inserted into the end of the coil carrier 1 into the handset 7.
  • One end of the coil carrier 1 inserted into the handset 7 includes a connection sleeve 51, and a connection pin 8 is also provided in the connection sleeve 51.
  • the connecting sleeve 51 and the connecting pin 8 in this embodiment are both made of a conductive metal.
  • the two outlet heads 4 and 42' are connected to the connecting pin 8 and the connecting sleeve 51, respectively.
  • a large conductive metal sleeve 52 is provided in the mobile phone to match the connection sleeve 51 of the insertion end of the coil carrier.
  • the bottom of the large sleeve 52 is connected to the pads 61 and 62, and the pads 61 and 62 are connected to the RF in the mobile phone.
  • the card is connected so that when the connecting sleeve 51 is inserted into the large sleeve 52 and is reliably connected to the large sleeve 52, the coil 3 is also reliably connected to the RF card in the handset.
  • a recess 53 can be provided in the middle of the large sleeve 52, and correspondingly a resilient projection for cooperating is also provided at the corresponding position of the connecting sleeve 51. Taiwan 53'.
  • the antenna provided by the present invention can be disposed outside the mobile terminal, especially for a mobile terminal having a handwriting function, and the antenna can be skillfully set on the stylus without adding any hardware burden to the mobile terminal.
  • designing and arranging the antenna it is not limited by the limited space in the mobile terminal, which saves space for the mobile terminal, and facilitates the setting and installation of other functional modules, and also avoids interference of other functional modules on the antenna, thereby saving Design installation costs, The reliable transmission of the signal is ensured, and the performance of the antenna is improved, thereby improving the user experience.
  • the coil carrier can be designed as a pendant of the mobile terminal, and only the socket corresponding to the coil carrier can be disposed on the mobile terminal.
  • the beautifully designed, personalized and mobile phone pendant with antenna can further enhance the user's visual effect and further enhance the user experience.

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Telephone Set Structure (AREA)
  • Near-Field Transmission Systems (AREA)

Abstract

本实用新型公开了一种天线，包括线圈和线圈载体，线圈设置于线圈载体上，线圈载体与移动终端可分离；使用时，将线圈载体插入移动终端，使线圈载体上的线圈与移动终端内的射频卡连接，从而完成射频发送识别的过程。因此，本实用新型提供的天线可外置于移动终端，特别是针对具有手写功能的移动终端，还可将天线巧妙的设置于手写笔上，不会为移动终端添加任何的硬件附加成本，在设计布置天线时也不受限于移动终端内的有限空间，为移动终端节省了空间，在便于其它功能模块更为合理设置、安装的同时，也避免了其它功能模块对天线的干扰，节约了设计安装成本，保证了信号的可靠传递，提高了天线的性能。

Description

一种天线 技术领域
本实用新型涉及无线通讯领域， 具体涉及一种天线。 背景技术
随着技术的发展， RFID ( Radio Frequency Identification, 射频识别）技 术的应用范围日益广泛， RFID是一项利用射频信号通过空间耦合（交变磁 场） 实现无接触信息传递并通过所传递的信息达到识别目的的技术， 例如， 手机通过釆用 RFID技术， 可以使用用户识别模块（如 SIM卡、 TF卡、 内 置芯片等）在 POS机上消费， 可以将在手机等移动终端上的射频识别装置 称为 NFC ( near field communication, 近场通信)技术。
设置在电子设备内部的射频识别系统一般由以下三部分组成： 读写器， 用于对用户识别模块进行数据读写操作。
射频卡， 是一种以无线方式传送数据的信息载体形式， 具有数据处理 及安全认证等特有的优点。
射频识别天线（Antenna ), 为一闭合导电线圈， 线圈的匝数和所包围的 面积的大小直接决定了天线性能。 当与射频卡连接的天线靠近读写器时， 线圈上产生感应电流， 据此读出射频卡上的信息并发射给读写器， 从而实 现射频通信。
对于集成在移动终端电子设备上的射频识别功能而言， 必须在终端内 集成有射频识别天线， 用来在一定距离内实现射频识别功能。 但随着移动 终端越做越小， 功能模块却越做越多， 留给射频识别天线的空间明显不够 用， 给终端内的射频识别天线的设计和相关功能模块的布局增加了难度， 提高了天线的设计成本。 另外， 多个高度集成的功能模块对终端内的射频 识别天线干扰也越来越严重， 干扰了射频识别天线信号的传递， 降低了射 频识别天线的性能。 发明内容
本实用新型的主要目的在于提供一种天线， 以减低设计成本， 保证安 装、 使用方便且性能好。
为达到上述目的， 本实用新型的技术方案是这样实现的：
一种天线， 包括设置于与移动终端可分离的线圈载体上的线圈； 所述 线圈载体与所述移动终端配合使用时， 所述线圈与所述移动终端内的射频 卡连接。
所述线圈在所述线圈载体上封闭走线。
所述线圈沿着所述线圈载体的边缘走线。
所述线圈在所述线圈载体上所包围的区域为平面区域。
所述线圈在所述线圈载体上所包围的平面区域的面积大于等于 4平方 厘米。
所述线圈载体为片状线圈载体。
所述线圈载体为片状的手写笔。
所述线圈包括两个出线头， 所述线圈载体包括连接套筒； 所述连接套 筒内包括连接针， 所述线圈的一个出线头与所述连接针连接， 另一个出线 头与所述连接套筒连接；
所述线圈载体与所述移动终端相配合时， 所述连接套筒插入所述移动 终端。
所述连接套筒为导电套筒， 所述连接针为导电连接针。
一种移动终端， 该移动终端中包括如权利要求 1至 9任一项所述的天 线。
可见， 本实用新型所提供的天线包括线圈和线圈载体， 线圈设置于线 圈载体上， 线圈载体与移动终端可分离。 使用时， 将线圈载体插入移动终 端以与移动终端相配合， 使线圈载体上的线圈与移动终端内的射频卡连接， 从而完成射频发送识别的过程。 因此， 本实用新型提供的天线可外置于移 动终端， 特别是针对具有手写功能的移动终端， 还可将天线巧妙地设置于 手写笔上， 不会为移动终端添加任何的硬件附加成本， 在设计布置天线时 也不受限于移动终端内的有限空间， 为移动终端节省了空间， 在便于其它 功能模块更为合理设置、 安装的同时， 也避免了其它功能模块对天线的干 扰， 节约了设计安装成本， 保证了信号的可靠传递， 提高了天线的性能， 进而提高了用户的体验。 附图说明
图 1为本实用新型一种实施例的线圈在线圈载体上的走线示意图； 图 2为本实用新型一种实施例的天线与移动终端配合的示意图。 具体实施方式
下面通过具体实施方式结合附图对本实用新型作进一步详细说明。 实施例一：
本实施例中的天线是一种与移动终端相配合的 NFC天线， 当天线与移 动终端相配合时， 移动终端内的射频卡与天线连接， 从而由天线将射频卡 上相应的信息发送给读写器， 以完成信息的无线传递。
本实施例中的天线包括线圈载体和线圈， 线圈载体与移动终端可分离。 在将天线与移动终端配合时， 可以将线圈载体插入移动终端。 具体而言， 所述线圈设置在线圈载体上， 线圈在线圈载体上封闭走线， 线圈在线圈载 体插入移动终端时与该移动终端内的射频卡连接。 优选的， 本实施例中的 线圈沿着线圈载体的边沿走线， 有利于天线信号的发送、 接收。 由于天线 的性能与线圈的匝数以及线圈封闭走线时所包围的面积有关 （如： 匝数越 多， 所包围的面积越大， 性能越好， 信号传送的距离越远）， 因此， 本实施 例中在保证线圈匝数的同时， 也保证线圈所包围的面积满足天线在有效距 离内有效传递信号的要求。 本实施例中， 当线圈所包围的面积大于等于 4 平方厘米时， 即可满足天线性能的要求。
为了保证线圈所包围的面积为有效面积， 也为了制造天线时线圈走线 的操作简单易行， 本实施例中线圈走线所包围的区域为平面区域。 优选的, 本实施例中的线圈载体可为片状的载体， 该片状的载体可为线圈走线的一 面为平面， 或者所有的面都为平面。 为了线圈载体与移动终端的良好配合 以及加工方便， 本实施例中选取所有面都为平面的片状线圈载体， 且片状 线圈载体在平面上的形状可为任意形状， 只需保证线圈所包围的面积满足 天线性能的要求， 并且线圈载体插入移动终端时能与该移动终端良好配合 即可。
本实施例中， 线圈载体插入移动终端的一端可包括连接套筒， 该连接 套筒插入移动终端时， 可与该移动终端内与射频卡连接的大套筒配合， 实 现可靠连接。 本实施例中连接套头内包括连接针， 连接针位于套筒内的中 心位置， 并且不与套筒的侧壁接触， 线圈走线完毕后的出线头 （本实施例 中包括两个）分别与连接套筒和连接针相连。 因此， 当与射频卡连接的大 套筒与线圈载体上的连接套筒可靠连接时， 线圈与射频卡也保持可靠连接， 从而保证天线能够将射频卡上的信息传递给相应的读写器。
实施例二：
本实施例中的线圈载体可为手写笔， 移动终端可为手机、 掌上电脑、 平板电脑等类似的移动终端。 本实施例中以具有手写功能 （不具有手写功 能的手机也适合于本方案） 的手机为例做进一步说明。 相应的， 本实施例 中的射频卡可为 SIM卡、 TF卡、 手机内置芯片等。
为了加工和制造方便， 本实施例中的手写笔具有四个侧面， 且布置线 圈的一面及其在手写笔上对立的面为平面， 另外两个面可为任意形状的面。 参见图 1 , 图 1中只示出了线圈载体上布置线圈的部分， 图中的线圈载体 1 上布置线圈 3的面为平面， 线圈 3沿着线圈载体 1的边沿走线以利于信号 的发送， 线圈 3包围的区域 2的面积大于 4平方厘米（考虑到手写笔尺寸 的限制， 优选为 4平方厘米）。 线圈 3的两个出线头 41和 42分别与图 2中 的 41' 和 42' 对应连接， 41' 和 42' 分别为出线头 41和 42在线圈载体 1 插入手机 7的一端内的走线。 线圈载体 1插入手机 7的一端包括连接套筒 51 , 连接套筒 51内还设有连接针 8。
本实施例中的连接套筒 51和连接针 8都由导电金属制成。 两个出线头 4 和 42' 分别与连接针 8和连接套筒 51连接。
相应的， 手机内设置了与线圈载体插入端的连接套筒 51相配合的导电 金属大套筒 52, 大套筒 52的底部与焊盘 61和 62连接， 焊盘 61和 62与手 机内的射频卡连接， 因此连接套筒 51插入大套筒 52中并与大套筒 52可靠 连接时， 线圈 3与手机内的射频卡也保持可靠连接。
为了保证大套筒 52与连接套筒 51的可靠连接， 可在大套筒 52的中间 位置设置凹槽 53 ,相应的也在连接套筒 51的相应位置设置用于相配合的具 有弹性的凸台 53' 。在连接套筒 51插入大套筒 52时，凸台 53' 受力收缩； 并在到达 IHJ槽 53位置处， 凸台 53' 能够伸开并卡在 槽 53内， 从而保证 连接套筒 51与大套筒 52的可靠连接， 进一步保证了手写笔与插入手机时， 天线与射频卡的可靠连接。
综上所述可知， 本实用新型提供的天线可设置于移动终端外， 特别是 针对具有手写功能的移动终端， 可将天线巧妙地设置于手写笔上， 不会为 移动终端添加任何的硬件负担， 在设计布置天线时也不会受到移动终端内 的有限空间的限制， 为移动终端节省了空间， 在便于其它功能模块设置、 安装的同时， 也避免其它的功能模块对天线的干扰， 节约了设计安装成本， 保证了信号的可靠传递， 提高了天线的性能， 从而提高了用户的体验。 当本实用新型中的移动终端不具有手写功能时， 可将线圈载体设计成 该移动终端的一个挂件， 只需在该移动终端上设置与线圈载体相配合的插 口即可。 而设计优美、 具有个性并且带有天线的手机挂件还可进一步提高 用户的视觉效果， 进一步提高了用户的体验。
以上内容是结合具体的实施方式对本实用新型所作的进一步详细说 明， 不能认定本实用新型的具体实施只局限于这些说明。 对于本实用新型 所属技术领域的普通技术人员而言， 在不脱离本实用新型构思的前提下， 还可以做出若干简单推演或替换， 都应当视为属于本实用新型的保护范围。

Claims

权利要求书
1、 一种天线， 其特征在于， 包括设置于与移动终端可分离的线圈载体 上的线圈； 所述线圈载体与所述移动终端配合使用时， 所述线圈与所述移 动终端内的射频卡连接。
2、 如权利要求 1所述的天线， 其特征在于， 所述线圈在所述线圈载体 上封闭走线。
3、 如权利要求 2所述的天线， 其特征在于， 所述线圈沿着所述线圈载 体的边缘走线。
4、 如权利要求 1所述的天线， 其特征在于， 所述线圈在所述线圈载体 上所包围的区域为平面区域。
5、 如权利要求 4所述的天线， 其特征在于， 所述线圈在所述线圈载体 上所包围的平面区域的面积大于等于 4平方厘米。
6、 如权利要求 1所述的天线， 其特征在于， 所述线圈载体为片状线圈 载体。
7、 如权利要求 6所述的天线， 其特征在于， 所述线圈载体为片状的手 写笔。
8、 如权利要求 1至 7任一项所述的天线， 其特征在于， 所述线圈包括 两个出线头， 所述线圈载体包括连接套筒； 所述连接套筒内包括连接针， 所述线圈的一个出线头与所述连接针连接， 另一个出线头与所述连接套筒 连接；
所述线圈载体与所述移动终端相配合时， 所述连接套筒插入所述移动 终端。
9、如权利要求 8所述的天线，其特征在于， 所述连接套筒为导电套筒， 所述连接针为导电连接针。
10、 一种移动终端， 其特征在于， 该移动终端中包括如权利要求 1至 9 任一项所述的天线,
PCT/CN2011/074924 2011-03-31 2011-05-30 一种天线 WO2012129837A1 (zh)

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201478437U (zh) * 2009-09-03 2010-05-19 北京握奇数据系统有限公司 饰件天线
CN201499186U (zh) * 2009-08-07 2010-06-02 东莞尚科思工艺制品有限公司 带手写功能的手机挂饰
CN201571097U (zh) * 2009-12-09 2010-09-01 中兴通讯股份有限公司 一种集成天线与手机支架的终端
CN201781051U (zh) * 2010-09-15 2011-03-30 东莞宇龙通信科技有限公司 电子终端设备及其近场通信天线和外壳保护套

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201499186U (zh) * 2009-08-07 2010-06-02 东莞尚科思工艺制品有限公司 带手写功能的手机挂饰
CN201478437U (zh) * 2009-09-03 2010-05-19 北京握奇数据系统有限公司 饰件天线
CN201571097U (zh) * 2009-12-09 2010-09-01 中兴通讯股份有限公司 一种集成天线与手机支架的终端
CN201781051U (zh) * 2010-09-15 2011-03-30 东莞宇龙通信科技有限公司 电子终端设备及其近场通信天线和外壳保护套

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