WO2012100486A1 - 一种无线通讯设备 - Google Patents

一种无线通讯设备 Download PDF

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Publication number
WO2012100486A1
WO2012100486A1 PCT/CN2011/075439 CN2011075439W WO2012100486A1 WO 2012100486 A1 WO2012100486 A1 WO 2012100486A1 CN 2011075439 W CN2011075439 W CN 2011075439W WO 2012100486 A1 WO2012100486 A1 WO 2012100486A1
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WO
WIPO (PCT)
Prior art keywords
matching
matching device
wireless communication
module
circuit
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PCT/CN2011/075439
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English (en)
French (fr)
Inventor
刘凤鹏
佘海波
罗迤宝
孙钦利
刘斌
赵勇
Original Assignee
中兴通讯股份有限公司
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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 WO2012100486A1 publication Critical patent/WO2012100486A1/zh

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Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00Details of, or arrangements associated with, antennas
    • H01Q1/44Details of, or arrangements associated with, antennas using equipment having another main function to serve additionally as an antenna, e.g. means for giving an antenna an aesthetic aspect
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00Details of, or arrangements associated with, antennas
    • H01Q1/12Supports; Mounting means
    • H01Q1/22Supports; Mounting means by structural association with other equipment or articles
    • H01Q1/24Supports; Mounting means by structural association with other equipment or articles with receiving set
    • H01Q1/241Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM
    • H01Q1/242Supports; 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
    • H01Q1/243Supports; 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 with built-in antennas
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q7/00Loop 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

Definitions

  • the present invention relates to the field of wireless communications, and in particular, to a wireless communication device. Background technique
  • the utility model patent with the application number CN200820235883.4 two antenna schemes are given, as described in the claims 1/11 to 12: "The NFC antenna is printed on the mobile payment terminal.
  • the PCB board is either a separate antenna coil".
  • Both of the solutions of the invention belong to the "independent antenna” described above, wherein the disadvantage of the scheme of printing the antenna on the circuit board is that it occupies space of the PCB board and increases the cost; The disadvantage is that it takes up space on the device and increases costs. Summary of the invention
  • the technical problem to be solved by the present invention is to provide a wireless communication device, which overcomes the shortcomings of the prior art that the antenna of the wireless communication device occupies the space of the device and increases the cost of the device.
  • the present invention provides a wireless communication device including a first module, the first module including a coil,
  • the wireless communication device does not have a separate antenna, and the wireless communication device further includes a matching module connected to the first module, and the matching module and the coil of the first module constitute an antenna of the wireless communication device.
  • the matching module includes one or more matching circuits, and the matching circuit includes one or more matching devices, and the matching device is a resistor, a capacitor or an inductor.
  • the above wireless communication device can have the following characteristics:
  • the matching module includes a first matching circuit and a second matching circuit, wherein the first matching circuit is respectively connected to the first lead interface of the coil and the second module of the wireless communication device through an antenna path; A matching circuit is coupled to the second lead interface of the coil and the second module of the wireless communication device via an antenna path.
  • the above wireless communication device can have the following characteristics:
  • the first matching circuit includes a first matching device, a second matching device, a third matching device, a fourth matching device, and a fifth matching device, wherein one end of the first matching device is connected to the fourth matching device, and Connected to the first lead interface of the coil through an antenna path, and the other end is grounded; one end of the second matching device is connected to the fourth matching device and the fifth matching device, and the other end is grounded; one end of the third matching device Connected to the fifth matching device, and connected to the second module of the wireless communication device through the antenna path, and the other end is grounded; one end of the fourth matching device is connected to the first matching device, and the other end is matched with the second The device is connected to the fifth matching device; one end of the fifth matching device is connected to the second matching device and the fourth matching device, and the other end is connected to the third matching device;
  • the second matching circuit includes a sixth matching device, a seventh matching device, an eighth matching device, a ninth matching device, and a tenth matching device, wherein one end of the sixth matching device is connected to the ninth matching device, and Connected to the second lead interface of the coil through an antenna path, and the other end is grounded; one end of the seventh matching device is connected to the ninth matching device and the tenth matching device, and the other end is grounded; one end of the eighth matching device Connected to the tenth matching device, and connected to the second module of the wireless communication device through the antenna path, and the other end is grounded; one end of the ninth matching device is connected to the sixth matching device, and the other end is matched with the seventh
  • the device is connected to the tenth matching device; one end of the tenth matching device is connected to the seventh matching device and the ninth matching device, and the other end is connected to the eighth matching device.
  • the above wireless communication device can have the following characteristics:
  • the matching module includes a first matching circuit, a second matching circuit, and a third matching circuit,
  • the first matching circuit is respectively connected to the first lead interface of the coil and the second module of the wireless communication device through an antenna path; the third matching circuit respectively interfaces with the second bow line of the coil through the antenna path Connected to the second module of the wireless communication device, the second matching circuit is respectively connected to the first matching circuit and the second matching circuit.
  • the above wireless communication device can have the following characteristics:
  • the first matching circuit includes a first matching device, a second matching device, a third matching device, a fourth matching device, and a fifth matching device
  • the second matching circuit includes a sixth matching device, a seventh matching device, and a An eight-matching device
  • the third matching circuit includes a ninth matching device, a tenth matching device, an eleventh matching device, a twelfth matching device, and a thirteenth matching device;
  • One end of the first matching device is connected to the fourth matching device and the sixth matching device, and is connected to the first lead interface of the coil through an antenna path, and the other end is grounded; one end and the fourth end of the second matching device a matching device, a fifth matching device and a seventh matching device are connected, and the other end is grounded; one end of the third matching device is connected to the fifth matching device and the eighth matching device, and is connected to the wireless communication device through the antenna path Two modules are connected, and the other end is grounded; one end of the fourth matching device is connected to the first matching device and the sixth matching device, and the other end is connected to the second matching device, the fifth matching device and the seventh matching device; One end of the fifth matching device is connected to the second matching device, the fourth matching device and the seventh matching device, and the other end is connected to the third matching device and the eighth matching device;
  • One end of the sixth matching device is connected to the fourth matching device, and the other end is connected to the ninth matching device; one end of the seventh matching device is connected to the second matching device, and the other end is connected to the twelfth matching device; One end of the eighth matching device is connected to the fifth matching device, and the other end is connected to the tenth matching device;
  • One end of the ninth matching device is connected to the sixth matching device and the eleventh matching circuit, and the other end is connected to the seventh matching device, the tenth matching device and the twelfth matching device; one end of the tenth matching device is a ninth matching device, a seventh matching device and a twelfth matching device are connected, and the other end is connected to the eighth matching device and the thirteenth matching device; one end of the eleventh matching device is connected to the ninth matching circuit, And connecting to the second lead interface of the coil through an antenna path, and the other end is grounded; one end of the twelfth matching device is connected to the seventh matching device, the ninth matching device and the tenth matching device, and the other end is grounded; One end of the thirteenth matching device and the eighth matching device and Ten matching devices are connected and connected to the second module of the wireless communication device through the antenna path, and the other end is grounded.
  • the above wireless communication device can have the following characteristics:
  • the wireless communication device is a mobile payment device.
  • the above wireless communication device can have the following characteristics:
  • the first module is a speaker or a receiver.
  • the antenna of the wireless communication device uses a coil sharing the coils of other modules, which does not occupy the space of the device and reduces the cost of the device.
  • FIG. 1 is a schematic diagram of a shared antenna of a wireless communication device according to an embodiment of the present invention
  • FIG. 2 is a schematic diagram of an architecture in which a coil of a shared horn is applied as a mobile payment device antenna, and a matching mode of the matching module is selected by a path independent matching;
  • FIG. 3 is a schematic diagram of a matching module of Application Example 1;
  • FIG. 4 is a schematic diagram of an architecture of a hybrid charging device using a coil of a shared receiver as an antenna of a mobile payment device;
  • FIG. 5 is a schematic diagram of a matching module of Application Example 2;
  • Figure 6 is a diagram showing the resonance waveform during the process of adjusting the matching circuit using a speaker of a certain manufacturer
  • FIG. 7 is a resonance waveform diagram of a speaker and a matching circuit using a manufacturer's example
  • FIG. 8 is a resonance waveform diagram in the process of using a receiver of a certain manufacturer and adjusting a matching circuit
  • Fig. 9 is a diagram showing a better resonance waveform of a receiver and a matching circuit of a manufacturer using the second application example.
  • Preferred embodiment of the invention The basic idea of the invention is to realize the antenna function by sharing the coils of the original modules of the wireless communication device.
  • the wireless communication device of the embodiment of the present invention does not have a separate antenna, and includes a first module and a matching module, where the first module is an original module of the wireless communication device, and the module includes a coil, for example, a speaker and a receiver. Wait.
  • the matching module is a module added to implement the antenna function, and is connected to the first module, and can be used to adjust the matching parameters of the antenna to realize the shared coil.
  • a matching module and a coil of the first module constitute an antenna of the wireless communication device.
  • the matching module may include one or more matching circuits, and the matching circuit may include one or more matching devices, and the matching devices are resistors, capacitors, inductors, and the like.
  • various devices with coils in the wireless communication device can be shared, and the matching method of the matching module can also be various. For example, you can use the path to independently match, or you can use the path > 'Kunhe match.
  • the matching module may include a first matching circuit and a second matching circuit, and the first matching circuit respectively interfaces with the first lead of the coil and the wireless through an antenna path.
  • the second module of the communication device is connected; the second matching circuit is respectively connected to the second lead interface of the coil and the second module of the wireless communication device through an antenna path.
  • the matching module may include a first matching circuit, a second matching circuit, and a third matching circuit, wherein the first matching circuit respectively passes through the antenna path and the first lead of the coil
  • the interface is connected to the second module of the wireless communication device;
  • the third matching circuit is respectively connected to the second lead interface of the coil and the second module of the wireless communication device through an antenna path, the second matching circuit Connected to the first matching circuit and the second matching circuit, respectively.
  • FIG. 1 a schematic diagram of a wireless communication device sharing an antenna according to an embodiment of the present invention, where the first module 101 and the second module 103 are original modules of the wireless communication device, and the wireless communication device satisfies certain functions.
  • the module (device) used, the matching module 102 is a new module, the matching module 102 is respectively connected to the first module 101 and the second module 103 through an antenna path, and the coil of the first module 101 constitutes an antenna.
  • the first module 101 is a module with a coil, and may be a speaker, a receiver, etc., but is not limited thereto, and may be various modules (devices) with coils in the wireless communication device.
  • the module has two functions: the main body function, which satisfies some functional requirements of the wireless communication device; the antenna function, which provides an antenna for the wireless communication device, transmits and receives signals.
  • the matching module 102 is configured to combine the antenna-related parameters of the first module 101 and the antenna-related parameters of the second module 103 to adjust the matching of the circuits to implement a common coil so that the transmitting and receiving parameters meet the requirements.
  • the second module 103 is a module of a wireless communication device that implements other functions, which is not limited by the present invention.
  • the module is coupled to the matching module 102 via an antenna path and interactively transmits and receives information.
  • various devices with coils in the wireless communication device can be shared, and the matching method of the matching module can also be various. For example, you can use the path to independently match, or you can use the path > 'Kunhe match.
  • the present invention will be further described in detail below with an application example of a wireless communication device as a mobile payment device. It should be noted that the present invention is applicable to various wireless communication devices and is not limited to mobile payment devices.
  • the coil of the shared speaker is used as the antenna of the mobile payment device, and the matching mode of the matching module is independently matched by the path.
  • the coil of the shared horn is used as the antenna of the mobile payment device, and the coil of the horn 201 is shared.
  • the horn coil has two lead interfaces.
  • the present example leads the first antenna path 202 from the two lead interfaces, and then each path A matching circuit (first matching circuit 203 and second matching circuit 204) is connected and then connected to the mobile payment circuit module 206 via the second antenna path 205.
  • the first matching circuit 203 and the second matching circuit 204 can be set to adjust the matching of the circuit so that the transmitting and receiving parameters satisfy the requirements, and the coil is shared with the Rab signal.
  • the mobile payment circuit module 206 is coupled to the first matching circuit 203 and the second matching circuit 204 via the second antenna path 205 to interact with the mobile payment related information.
  • the matching module includes a first matching circuit 301 and a second matching circuit 302 (ie, 201 and 202 in FIG. 2).
  • a path independent matching circuit is used to specifically build The way is shown in Figure 3.
  • the first matching circuit 301 has five matching devices, wherein the first matching device, the second matching device, and the third matching device are connected in parallel with the ground, and the fourth matching device and the fifth matching device are connected in series on the path. Devices with resistors, capacitors, inductors, etc. can be used for the five matching devices.
  • the second matching circuit 302 is similar. The specific description is as follows:
  • the first matching circuit 301 includes a first matching device, a second matching device, a third matching device, a fourth matching device, and a fifth matching device, wherein one end of the first matching device is connected to the fourth matching device, and passes An antenna path is connected to the first lead interface of the coil, and the other end is grounded; one end of the second matching device is connected to the fourth matching device and the fifth matching device, and the other end is grounded; one end of the third matching device is The fifth matching device is connected, and is connected to the second module of the wireless communication device through the antenna path, and the other end is grounded; one end of the fourth matching device is connected to the first matching device, and the other end is matched with the second matching device. Connected to the fifth matching device; one end of the fifth matching device is connected to the second matching device and the fourth matching device, and the other end is connected to the third matching device;
  • the second matching circuit 302 includes a sixth matching device, a seventh matching device, an eighth matching device, a ninth matching device, and a tenth matching device, wherein one end of the sixth matching device is connected to the ninth matching device, And connecting to the second lead interface of the coil through an antenna path, and the other end is grounded; one end of the seventh matching device is connected to the ninth matching device and the tenth matching device, and the other end is grounded; the eighth matching device is One end is connected to the tenth matching device, and is connected to the second module of the wireless communication device through the antenna path, and the other end is grounded; one end of the ninth matching device is connected to the sixth matching device, and the other end is connected to the seventh
  • the matching device is connected to the tenth matching device; one end of the tenth matching device is connected to the seventh matching device and the ninth matching device, and the other end is connected to the eighth matching device.
  • the selection of the matching devices in the first matching circuit 301 and the second matching circuit 302 is continuously adjusted depending on whether the antenna side (Ra 8 + matching circuit) is at 13.56 Mhz resonance.
  • Figure 6 is a resonance waveform diagram of a speaker using a certain manufacturer in the process of adjusting the matching circuit. It can be seen from the figure that the matching resonance point at this time is about 33.4Mhz, and the matching device can be adjusted to obtain a better match.
  • 7 is a resonant waveform diagram of an ideal matching circuit.
  • the coil of the shared receiver is used as the antenna of the mobile payment device, and the matching mode of the matching module is selected by the path hybrid matching.
  • the coil of the shared receiver acts as the antenna of the mobile payment device, sharing the receiver.
  • the coil of 401, the receiver coil has two lead interfaces, and the present example leads the first antenna path 402 from the two lead interfaces, and then each of them is connected with a matching circuit (first matching circuit 403 and third matching circuit 405), A matching circuit 403 is connected between the matching circuit 403 and the third matching circuit 405, and then connected to the mobile payment circuit module 407 via the second antenna path 406.
  • the matching modules (the first matching circuit 403, the second matching circuit 404, and the third matching circuit 405) adjust the matching of the circuits so that the transmitting and receiving parameters satisfy the requirements, and the coils are shared with the receiver signals.
  • the mobile payment circuit module 407 is coupled to the matching module (the first matching circuit 403, the second matching circuit 404, and the third matching circuit 405) through the second antenna path 406 to interact with the mobile payment related information.
  • the matching module 501 includes a first matching circuit, a second matching circuit, and a third matching circuit (ie, 403, 404, and 405 in FIG. 4), and the present example uses a circuit matching method of path mixing to specifically construct The way is shown in Figure 5.
  • the matching module 501 There are 13 matching devices in the matching module 501, wherein the first matching device, the second matching device, the third matching device, and the eleventh matching device, the twelfth matching device, and the thirteenth are respectively connected in parallel with the ground;
  • the fourth matching device, the fifth matching device, the ninth matching device, and the tenth matching device are respectively connected in series on the respective paths;
  • the sixth matching device, the seventh matching device, and the eighth matching device are connected in two paths.
  • Devices with resistors, capacitors, inductors, etc. can be used for 13 matching devices. The specific description is as follows:
  • the first matching circuit includes a first matching device, a second matching device, a third matching device, a fourth matching device, and a fifth matching device, the second matching circuit including a sixth matching device, a seventh matching device, and an eighth matching a device, the third matching circuit includes a ninth matching device, a tenth matching device, an eleventh matching device, a twelfth matching device, and a thirteenth matching device;
  • One end of the first matching device is connected to the fourth matching device and the sixth matching device, and passes An antenna path is connected to the first lead interface of the coil, and the other end is grounded; one end of the second matching device is connected to the fourth matching device, the fifth matching device and the seventh matching device, and the other end is grounded; One end of the matching device is connected to the fifth matching device and the eighth matching device, and is connected to the second module of the wireless communication device through the antenna path, and the other end is grounded; one end of the fourth matching device matches the first one The device is connected to the sixth matching device, and the other end is connected to the second matching device, the fifth matching device and the seventh matching device; one end of the fifth matching device and the second matching device, the fourth matching device and the seventh matching device Connected to the other end and connected to the third matching device and the eighth matching device;
  • One end of the sixth matching device is connected to the fourth matching device, and the other end is connected to the ninth matching device; one end of the seventh matching device is connected to the second matching device, and the other end is connected to the twelfth matching device; One end of the eighth matching device is connected to the fifth matching device, and the other end is connected to the tenth matching device;
  • One end of the ninth matching device is connected to the sixth matching device and the eleventh matching circuit, and the other end is connected to the seventh matching device, the tenth matching device and the twelfth matching device; one end of the tenth matching device is a ninth matching device, a seventh matching device and a twelfth matching device are connected, and the other end is connected to the eighth matching device and the thirteenth matching device; one end of the eleventh matching device is connected to the ninth matching circuit, And connecting to the second lead interface of the coil through an antenna path, and the other end is grounded; one end of the twelfth matching device is connected to the seventh matching device, the ninth matching device and the tenth matching device, and the other end is grounded; One end of the thirteenth matching device is connected to the eighth matching device and the tenth matching device, and is connected to the second module of the wireless communication device through the antenna path, and the other end is grounded.
  • the selection of the matching device is continuously adjusted according to whether the antenna side (receiver + matching module) is at 13.56 Mhz.
  • Figure 8 uses a receiver's receiver to adjust a matching waveform in a resonant waveform. From the figure, it can be seen that the matching resonance point is around 17Mhz. Continue to adjust the matching device to get a better match.
  • Figure 9 The resonant waveform of the ideal matching circuit.
  • the matching is adjusted, the actual effect is tested in the actual mobile payment environment, and the matching may be adjusted again to get better results.
  • the antenna of the wireless communication device uses a coil sharing the coils of other modules, which does not occupy the space of the device and reduces the cost of the device.

Description

一种无线通讯设备
技术领域
本发明涉及无线通讯领域, 尤其涉及一种无线通讯设备。 背景技术
在应用拓展飞速发展的今天, 无线通讯的应用也越加广泛。 目前各类无 线通讯设备的天线多种多样, 有使用独立天线线圈的、 有把天线线圈印制在 印制电路板 ( Printed Circuit Board, PCB )上的、 有把天线线圈设计在其他部 件表面的, 但这些做法都属于 "独立天线" , 都会占用设备的空间, 都会增 加设备的成本。
比如, 申请号为 CN200820235883.4的实用新型专利,给出了两种天线方 案, 如其权利要求书第 1页 /11行至 12行描述: "所述 NFC天线是印制在所 述移动支付终端的 PCB板上或是独立的天线线圈" 。 该发明的两种方案都属 于上文所述的 "独立天线" , 其中釆用天线印刷在电路板上的方案的缺点是 会占用 PCB板的空间, 同时增加成本; 釆用独立线圈天线方案的缺点是会占 用设备的空间, 同时也会增加成本。 发明内容
本发明要解决的技术问题就是提出一种无线通讯设备, 克服现有技术中 无线通讯设备的天线会占用设备的空间增加设备的成本的缺点。
为了解决上述问题, 本发明提供一种无线通讯设备, 包括第一模块, 所 述第一模块包含线圈,
所述无线通讯设备没有独立天线 ,所述无线通讯设备还包括与所述第一 模块相连的匹配模块, 所述匹配模块和所述第一模块的线圈组成所述无线通 讯设备的天线。
优先地, 上述无线通讯设备可具有以下特点: 所述匹配模块包括一个或多个匹配电路, 所述匹配电路包括一个或多个 匹配器件, 所述匹配器件为电阻、 电容或电感。
优先地, 上述无线通讯设备可具有以下特点:
所述匹配模块包括第一匹配电路和第二匹配电路, 所述第一匹配电路通 过天线通路分别与所述线圈的第一引线接口和所述无线通讯设备的第二模块 相连; 所述第二匹配电路通过天线通路分别与所述线圈的第二引线接口和所 述无线通讯设备的第二模块相连。
优先地, 上述无线通讯设备可具有以下特点:
所述第一匹配电路包括第一匹配器件、 第二匹配器件、 第三匹配器件、 第四匹配器件和第五匹配器件, 其中, 所述第一匹配器件的一端与第四匹配 器件相连, 并通过天线通路与所述线圈的第一引线接口相连, 另一端接地; 所述第二匹配器件的一端与第四匹配器件和第五匹配器件相连,另一端接地; 所述第三匹配器件的一端与第五匹配器件相连, 并通过天线通路与所述无线 通讯设备的第二模块相连, 另一端接地; 所述第四匹配器件的一端与所述第 一匹配器件相连, 另一端与第二匹配器件和第五匹配器件相连; 所述第五匹 配器件的一端与第二匹配器件和第四匹配器件相连, 另一端与第三匹配器件 相连;
所述第二匹配电路包括第六匹配器件、 第七匹配器件、 第八匹配器件、 第九匹配器件和第十匹配器件, 其中, 所述第六匹配器件的一端与第九匹配 器件相连, 并通过天线通路与所述线圈的第二引线接口相连, 另一端接地; 所述第七匹配器件的一端与第九匹配器件和第十匹配器件相连,另一端接地; 所述第八匹配器件的一端与第十匹配器件相连, 并通过天线通路与所述无线 通讯设备的第二模块相连, 另一端接地; 所述第九匹配器件的一端与所述第 六匹配器件相连, 另一端与第七匹配器件和第十匹配器件相连; 所述第十匹 配器件的一端与第七匹配器件和第九匹配器件相连, 另一端与第八匹配器件 相连。
优先地, 上述无线通讯设备可具有以下特点:
所述匹配模块包括第一匹配电路、 第二匹配电路和第三匹配电路, 所述 第一匹配电路通过天线通路分别与所述线圈的第一引线接口和所述无线通讯 设备的第二模块相连; 所述第三匹配电路通过天线通路分别与所述线圈的第 二弓 I线接口和所述无线通讯设备的第二模块相连, 所述第二匹配电路分别与 所述第一匹配电路和第二匹配电路相连。
优先地, 上述无线通讯设备可具有以下特点:
所述第一匹配电路包括第一匹配器件、 第二匹配器件、 第三匹配器件、 第四匹配器件和第五匹配器件, 所述第二匹配电路包括第六匹配器件、 第七 匹配器件和第八匹配器件, 所述第三匹配电路包括第九匹配器件、 第十匹配 器件、 第十一匹配器件、 第十二匹配器件和第十三匹配器件; 其中,
所述第一匹配器件的一端与第四匹配器件和第六匹配器件相连, 并通过 天线通路与所述线圈的第一引线接口相连, 另一端接地; 所述第二匹配器件 的一端与第四匹配器件、 第五匹配器件和第七匹配器件相连, 另一端接地; 所述第三匹配器件的一端与第五匹配器件和第八匹配器件相连, 并通过天线 通路与所述无线通讯设备的第二模块相连, 另一端接地; 所述第四匹配器件 的一端与所述第一匹配器件和第六匹配器件相连, 另一端与第二匹配器件、 第五匹配器件和第七匹配器件相连; 所述第五匹配器件的一端与第二匹配器 件、 第四匹配器件和第七匹配器件相连, 另一端与第三匹配器件和第八匹配 器件相连;
所述第六匹配器件的一端与第四匹配器件相连, 另一端与第九匹配器件 相连; 所述第七匹配器件的一端与第二匹配器件相连, 另一端与第十二匹配 器件相连; 所述第八匹配器件的一端与第五匹配器件相连, 另一端与第十匹 配器件相连;
所述第九匹配器件的一端与第六匹配器件和第十一匹配电路相连, 另一 端与第七匹配器件、 第十匹配器件和第十二匹配器件相连; 所述第十匹配器 件的一端与第九匹配器件、 第七匹配器件和第十二匹配器件相连, 另一端与 第八匹配器件和第十三匹配器件相连; 所述第十一匹配器件的一端与所述第 九匹配电路相连, 并通过天线通路与所述线圈的第二引线接口相连, 另一端 接地; 所述第十二匹配器件的一端与第七匹配器件、 第九匹配器件和第十匹 配器件相连, 另一端接地; 所述第十三匹配器件的一端与第八匹配器件和第 十匹配器件相连, 并通过天线通路与所述无线通讯设备的第二模块相连, 另 一端接地。
优先地, 上述无线通讯设备可具有以下特点:
所述无线通讯设备为移动支付设备。
优先地, 上述无线通讯设备可具有以下特点:
所述第一模块为喇叭, 或者为受话器。
本发明中, 无线通讯设备的天线釆用共用其它模块的线圈的方式, 不会 占用设备的空间, 同时降低了设备的成本。 附图概述
图 1是本发明实施例的无线通讯设备共用天线的示意图;
图 2是应用示例一共用喇叭的线圈作为移动支付设备天线, 匹配模块的 匹配方式选用通路独立匹配的架构示意图;
图 3是应用示例一的匹配模块示意图;
图 4是应用示例二共用受话器的线圈作为移动支付设备天线, 匹配模块 的匹配方式选用通路混合匹配的架构示意图;
图 5是应用示例二的匹配模块示意图;
图 6是应用示例一使用某厂家的喇叭、 调整匹配电路过程中的谐振波形 图;
图 7是应用示例一使用某厂家的喇叭、 匹配电路较好的谐振波形图; 图 8是应用示例二使用某厂家的受话器、 调整匹配电路过程中的谐振波 形图;
图 9是应用示例二使用某厂家的受话器、 匹配电路较好的谐振波形图。
本发明的较佳实施方式 本发明的基本思想是, 通过共用无线通讯设备原有模块的线圈, 实现天 线功能。
具体地, 本发明实施例的无线通讯设备没有独立天线, 包括第一模块和 匹配模块, 其中, 第一模块为该无线通讯设备原有的模块, 该模块包含线圈, 比如, 可以是喇叭、 受话器等。 匹配模块是为实现天线功能而新增的模块, 与所述第一模块相连, 可以用于调整天线的匹配参数, 实现共用线圈。 匹配 模块和所述第一模块的线圈组成所述无线通讯设备的天线。
所述匹配模块可包括一个或多个匹配电路, 所述匹配电路可包括一个或 多个匹配器件, 所述匹配器件为电阻、 电容、 电感等。
本发明中, 可以共用无线通讯设备中各种带线圈的器件, 而匹配模块的 匹配方式也可以有多种多样。 比如, 可釆用通路独立匹配, 也可以釆用通路 〉'昆合匹配。
比如, 釆用通路独立匹配的方式中, 所述匹配模块可包括第一匹配电路 和第二匹配电路, 所述第一匹配电路通过天线通路分别与所述线圈的第一引 线接口和所述无线通讯设备的第二模块相连; 所述第二匹配电路通过天线通 路分别与所述线圈的第二引线接口和所述无线通讯设备的第二模块相连。
比如, 釆用通路混合匹配的方式中, 所述匹配模块可包括第一匹配电路、 第二匹配电路和第三匹配电路, 所述第一匹配电路通过天线通路分别与所述 线圈的第一引线接口和所述无线通讯设备的第二模块相连; 所述第三匹配电 路通过天线通路分别与所述线圈的第二引线接口和所述无线通讯设备的第二 模块相连,所述第二匹配电路分别与所述第一匹配电路和第二匹配电路相连。
下文中将结合附图对本发明的实施例进行详细说明。 需要说明的是, 在 不冲突的情况下, 本申请中的实施例及实施例中的特征可以相互任意组合。
如图 1所示, 为本发明实施例的无线通讯设备共用天线的示意图, 其中, 第一模块 101和第二模块 103为该无线通讯设备原有的模块, 是无线通讯设 备的满足某些功能所使用的模块(器件) , 匹配模块 102为新增模块, 匹配 模块 102通过天线通路分别与第一模块 101和第二模块 103相连, 和第一模 块 101的线圈组成天线。 其中, 第一模块 101为带线圈的模块, 可以是喇叭、 受话器等, 但不限 于此, 可以是无线通讯设备中各种带线圈的模块(器件) 。 该模块有两个功 能: 本体功能, 满足无线通讯设备的一些功能需求; 天线功能, 为无线通讯 设备提供天线, 发射和接收信号。
匹配模块 102用于结合第一模块 101的天线相关参数、 和第二模块 103 的天线相关参数, 调整电路的匹配, 实现共用线圈, 使发射和接收参数满足 要求。
第二模块 103为实现其它功能的无线通讯设备的模块, 本发明对此不做 限定。 该模块通过天线通路与匹配模块 102相连, 并交互发射和接收到的信 息。
本发明中, 可以共用无线通讯设备中各种带线圈的器件, 而匹配模块的 匹配方式也可以有多种多样。 比如, 可釆用通路独立匹配, 也可以釆用通路 〉'昆合匹配。
下面以无线通讯设备为移动支付设备的应用示例进一步详述本发明。 需 要说明的是, 本发明适用于各种无线通讯设备, 并不仅仅限于移动支付设备。
应用示例一, 共用喇叭的线圈作为移动支付设备天线, 匹配模块的匹配 方式选用通路独立匹配。
如图 2所示, 共用喇叭的线圈作为移动支付设备天线, 共用了喇叭 201 的线圈, 喇叭线圈有两个引线接口, 本示例从这两个引线接口引出第一天线 通路 202, 接下来每一路连接一个匹配电路(第一匹配电路 203和第二匹配 电路 204 ) , 然后经过第二天线通路 205连接到移动支付电路模块 206上。 可设置第一匹配电路 203和第二匹配电路 204调整电路的匹配, 使发射和接 收参数满足要求, 做到与喇八信号共用线圈。 移动支付电路模块 206通过第 二天线通路 205与第一匹配电路 203和第二匹配电路 204相连, 与之交互这 些移动支付相关信息。
如图 3所示, 匹配模块包括第一匹配电路 301和第二匹配电路 302 (即 图 2中的 201和 202 ) , 本实施例釆用通路独立的电路匹配方式, 具体搭建 方式如图 3所示。
第一匹配电路 301中有 5个匹配器件, 其中第一匹配器件、 第二匹配器 件、 第三匹配器件是通路与地并联的, 第四匹配器件和第五匹配器件是串联 在通路上的, 5 个匹配器件可以使用电阻、 电容、 电感等器件。 第二匹配电 路 302与之类似。 具体描述如下:
第一匹配电路 301 包括第一匹配器件、 第二匹配器件、 第三匹配器件、 第四匹配器件和第五匹配器件, 其中, 所述第一匹配器件的一端与第四匹配 器件相连, 并通过天线通路与所述线圈的第一引线接口相连, 另一端接地; 所述第二匹配器件的一端与第四匹配器件和第五匹配器件相连,另一端接地; 所述第三匹配器件的一端与第五匹配器件相连, 并通过天线通路与所述无线 通讯设备的第二模块相连, 另一端接地; 所述第四匹配器件的一端与所述第 一匹配器件相连, 另一端与第二匹配器件和第五匹配器件相连; 所述第五匹 配器件的一端与第二匹配器件和第四匹配器件相连, 另一端与第三匹配器件 相连;
所述第二匹配电路 302包括第六匹配器件、 第七匹配器件、 第八匹配器 件、 第九匹配器件和第十匹配器件, 其中, 所述第六匹配器件的一端与第九 匹配器件相连, 并通过天线通路与所述线圈的第二引线接口相连, 另一端接 地; 所述第七匹配器件的一端与第九匹配器件和第十匹配器件相连, 另一端 接地; 所述第八匹配器件的一端与第十匹配器件相连, 并通过天线通路与所 述无线通讯设备的第二模块相连, 另一端接地; 所述第九匹配器件的一端与 所述第六匹配器件相连, 另一端与第七匹配器件和第十匹配器件相连; 所述 第十匹配器件的一端与第七匹配器件和第九匹配器件相连, 另一端与第八匹 配器件相连。
第一匹配电路 301和第二匹配电路 302中的匹配器件的选取要根据天线 侧 (喇八 +匹配电路)是否在 13.56Mhz谐振来不断调整的。 图 6是使用某厂 家的喇叭在调整匹配电路过程中的一个谐振波形图, 从图中可以看出此时的 匹配谐振点在 33.4Mhz左右, 继续调整匹配器件, 可以得到更好的匹配, 图 7是比较理想的匹配电路的谐振波形图。
匹配调好之后, 在实际的移动支付环境下测试实际效果, 可能还会再调 一下匹配, 以得到更好的效果。
应用示例二, 共用受话器的线圈作为移动支付设备天线, 匹配模块的匹 配方式选用通路混合匹配。
如图 4所示, 共用受话器的线圈作为移动支付设备天线, 共用了受话器
401 的线圈, 受话器线圈有两个引线接口, 本示例从这两个引线接口引出第 一天线通路 402, 接下来每一路连接一个匹配电路(第一匹配电路 403和第 三匹配电路 405 ) , 第一匹配电路 403和第三匹配电路 405之间连接第二匹 配电路 404, 然后经过第二天线通路 406连接到移动支付电路模块 407上。 匹配模块(第一匹配电路 403、 第二匹配电路 404和第三匹配电路 405 )调整 电路的匹配, 使发射和接收参数满足要求, 做到与受话器信号共用线圈。 移 动支付电路模块 407 ,通过第二天线通路 406与匹配模块(第一匹配电路 403、 第二匹配电路 404和第三匹配电路 405 )相连, 与之交互这些移动支付相关 信息。
如图 5所示, 匹配模块 501包括第一匹配电路、 第二匹配电路和第三匹 配电路(即图 4中的 403、 404和 405 ) , 本示例釆用通路混合的电路匹配方 式, 具体搭建方式如图 5所示。
匹配模块 501中有 13个匹配器件, 其中第一匹配器件、 第二匹配器件、 第三匹配器件和第十一匹配器件、 第十二匹配器件、 第十三分别是各自通路 与地并联的; 第四匹配器件、 第五匹配器件和第九匹配器件、 第十匹配器件 分别是串联在各自通路上的; 第六匹配器件、 第七匹配器件、 第八匹配器件 是跨接在两个通路之间的。 13 个匹配器件可以使用电阻、 电容、 电感等器 件。 具体描述如下:
第一匹配电路包括第一匹配器件、 第二匹配器件、 第三匹配器件、 第四 匹配器件和第五匹配器件, 所述第二匹配电路包括第六匹配器件、 第七匹配 器件和第八匹配器件, 所述第三匹配电路包括第九匹配器件、 第十匹配器件、 第十一匹配器件、 第十二匹配器件和第十三匹配器件; 其中,
所述第一匹配器件的一端与第四匹配器件和第六匹配器件相连, 并通过 天线通路与所述线圈的第一引线接口相连, 另一端接地; 所述第二匹配器件 的一端与第四匹配器件、 第五匹配器件和第七匹配器件相连, 另一端接地; 所述第三匹配器件的一端与第五匹配器件和第八匹配器件相连, 并通过天线 通路与所述无线通讯设备的第二模块相连, 另一端接地; 所述第四匹配器件 的一端与所述第一匹配器件和第六匹配器件相连, 另一端与第二匹配器件、 第五匹配器件和第七匹配器件相连; 所述第五匹配器件的一端与第二匹配器 件、 第四匹配器件和第七匹配器件相连, 另一端与第三匹配器件和第八匹配 器件相连;
所述第六匹配器件的一端与第四匹配器件相连, 另一端与第九匹配器件 相连; 所述第七匹配器件的一端与第二匹配器件相连, 另一端与第十二匹配 器件相连; 所述第八匹配器件的一端与第五匹配器件相连, 另一端与第十匹 配器件相连;
所述第九匹配器件的一端与第六匹配器件和第十一匹配电路相连, 另一 端与第七匹配器件、 第十匹配器件和第十二匹配器件相连; 所述第十匹配器 件的一端与第九匹配器件、 第七匹配器件和第十二匹配器件相连, 另一端与 第八匹配器件和第十三匹配器件相连; 所述第十一匹配器件的一端与所述第 九匹配电路相连, 并通过天线通路与所述线圈的第二引线接口相连, 另一端 接地; 所述第十二匹配器件的一端与第七匹配器件、 第九匹配器件和第十匹 配器件相连, 另一端接地; 所述第十三匹配器件的一端与第八匹配器件和第 十匹配器件相连, 并通过天线通路与所述无线通讯设备的第二模块相连, 另 一端接地。
匹配器件的选取要根据天线侧 (受话器 +匹配模块)是否在 13.56Mhz谐 振来不断调整的。 图 8使用某厂家的受话器在调整匹配电路过程中的一个谐 振波形图, 从图中可以看出此时的匹配谐振点在 17Mhz左右, 继续调整匹配 器件, 可以得到更好的匹配, 图 9是比较理想的匹配电路的谐振波形图。
匹配调好之后, 在实际的移动支付环境下测试实际效果, 可能还会再调 一下匹配, 以得到更好的效果。
本领域普通技术人员可以理解上述方法中的全部或部分步骤可通过程序 来指令相关硬件完成, 所述程序可以存储于计算机可读存储介质中, 如只读 存储器、 磁盘或光盘等。 可选地, 上述实施例的全部或部分步骤也可以使用 一个或多个集成电路来实现, 相应地, 上述实施例中的各模块 /单元可以釆用 硬件的形式实现, 也可以釆用软件功能模块的形式实现。 本发明不限制于任 何特定形式的硬件和软件的结合。
以上所述仅为本发明的优选实施例而已, 并不用于限制本发明, 对于本 领域的技术人员来说, 本发明可以有各种更改和变化。 凡在本发明的精神和 原则之内, 所作的任何修改、 等同替换、 改进等, 均应包含在本发明的保护 范围之内。
工业实用性
本发明中, 无线通讯设备的天线釆用共用其它模块的线圈的方式, 不会 占用设备的空间, 同时降低了设备的成本。

Claims

权 利 要 求 书
1、 一种无线通讯设备, 包括第一模块, 所述第一模块包含线圈, 其中, 所述无线通讯设备没有独立天线 ,所述无线通讯设备还包括与所述第一 模块相连的匹配模块, 所述匹配模块和所述第一模块的线圈组成所述无线通 讯设备的天线。
2、 如权利要求 1所述的无线通讯设备, 其中,
所述匹配模块包括一个或多个匹配电路, 所述匹配电路包括一个或多个 匹配器件, 所述匹配器件为电阻、 电容或电感。
3、 如权利要求 2所述的无线通讯设备, 其中,
所述匹配模块包括第一匹配电路和第二匹配电路, 所述第一匹配电路通 过天线通路分别与所述线圈的第一引线接口和所述无线通讯设备的第二模块 相连; 所述第二匹配电路通过天线通路分别与所述线圈的第二引线接口和所 述无线通讯设备的第二模块相连。
4、 如权利要求 3所述的无线通讯设备, 其中,
所述第一匹配电路包括第一匹配器件、 第二匹配器件、 第三匹配器件、 第四匹配器件和第五匹配器件, 其中, 所述第一匹配器件的一端与第四匹配 器件相连, 并通过天线通路与所述线圈的第一引线接口相连, 另一端接地; 所述第二匹配器件的一端与第四匹配器件和第五匹配器件相连,另一端接地; 所述第三匹配器件的一端与第五匹配器件相连, 并通过天线通路与所述无线 通讯设备的第二模块相连, 另一端接地; 所述第四匹配器件的一端与所述第 一匹配器件相连, 另一端与第二匹配器件和第五匹配器件相连; 所述第五匹 配器件的一端与第二匹配器件和第四匹配器件相连, 另一端与第三匹配器件 相连;
所述第二匹配电路包括第六匹配器件、 第七匹配器件、 第八匹配器件、 第九匹配器件和第十匹配器件, 其中, 所述第六匹配器件的一端与第九匹配 器件相连, 并通过天线通路与所述线圈的第二引线接口相连, 另一端接地; 所述第七匹配器件的一端与第九匹配器件和第十匹配器件相连,另一端接地; 所述第八匹配器件的一端与第十匹配器件相连, 并通过天线通路与所述无线 通讯设备的第二模块相连, 另一端接地; 所述第九匹配器件的一端与所述第 六匹配器件相连, 另一端与第七匹配器件和第十匹配器件相连; 所述第十匹 配器件的一端与第七匹配器件和第九匹配器件相连, 另一端与第八匹配器件 相连。
5、 如权利要求 2所述的无线通讯设备, 其中,
所述匹配模块包括第一匹配电路、 第二匹配电路和第三匹配电路, 所述 第一匹配电路通过天线通路分别与所述线圈的第一引线接口和所述无线通讯 设备的第二模块相连; 所述第三匹配电路通过天线通路分别与所述线圈的第 二弓 I线接口和所述无线通讯设备的第二模块相连, 所述第二匹配电路分别与 所述第一匹配电路和第二匹配电路相连。
6、 如权利要求 5所述的无线通讯设备, 其中,
所述第一匹配电路包括第一匹配器件、 第二匹配器件、 第三匹配器件、 第四匹配器件和第五匹配器件, 所述第二匹配电路包括第六匹配器件、 第七 匹配器件和第八匹配器件, 所述第三匹配电路包括第九匹配器件、 第十匹配 器件、 第十一匹配器件、 第十二匹配器件和第十三匹配器件; 其中,
所述第一匹配器件的一端与第四匹配器件和第六匹配器件相连, 并通过 天线通路与所述线圈的第一引线接口相连, 另一端接地; 所述第二匹配器件 的一端与第四匹配器件、 第五匹配器件和第七匹配器件相连, 另一端接地; 所述第三匹配器件的一端与第五匹配器件和第八匹配器件相连, 并通过天线 通路与所述无线通讯设备的第二模块相连, 另一端接地; 所述第四匹配器件 的一端与所述第一匹配器件和第六匹配器件相连, 另一端与第二匹配器件、 第五匹配器件和第七匹配器件相连; 所述第五匹配器件的一端与第二匹配器 件、 第四匹配器件和第七匹配器件相连, 另一端与第三匹配器件和第八匹配 器件相连;
所述第六匹配器件的一端与第四匹配器件相连, 另一端与第九匹配器件 相连; 所述第七匹配器件的一端与第二匹配器件相连, 另一端与第十二匹配 器件相连; 所述第八匹配器件的一端与第五匹配器件相连, 另一端与第十匹 配器件相连; 所述第九匹配器件的一端与第六匹配器件和第十一匹配电路相连, 另一 端与第七匹配器件、 第十匹配器件和第十二匹配器件相连; 所述第十匹配器 件的一端与第九匹配器件、 第七匹配器件和第十二匹配器件相连, 另一端与 第八匹配器件和第十三匹配器件相连; 所述第十一匹配器件的一端与所述第 九匹配电路相连, 并通过天线通路与所述线圈的第二引线接口相连, 另一端 接地; 所述第十二匹配器件的一端与第七匹配器件、 第九匹配器件和第十匹 配器件相连, 另一端接地; 所述第十三匹配器件的一端与第八匹配器件和第 十匹配器件相连, 并通过天线通路与所述无线通讯设备的第二模块相连, 另 一端接地。
7、 如权利要求 1 ~ 6中任意一项所述的无线通讯设备, 其中,
所述无线通讯设备为移动支付设备。
8、 如权利要求 1 ~ 6中任意一项所述的无线通讯设备, 其中,
所述第一模块为喇叭, 或者为受话器。
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