WO2015062508A1 - 一种usb通信终端 - Google Patents

一种usb通信终端 Download PDF

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Publication number
WO2015062508A1
WO2015062508A1 PCT/CN2014/089796 CN2014089796W WO2015062508A1 WO 2015062508 A1 WO2015062508 A1 WO 2015062508A1 CN 2014089796 W CN2014089796 W CN 2014089796W WO 2015062508 A1 WO2015062508 A1 WO 2015062508A1
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WO
WIPO (PCT)
Prior art keywords
pcb
communication terminal
usb
usb communication
soldering
Prior art date
Application number
PCT/CN2014/089796
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English (en)
French (fr)
Inventor
兰尧
屠东兴
Original Assignee
华为终端有限公司
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Publication date
Application filed by 华为终端有限公司 filed Critical 华为终端有限公司
Priority to EP14859020.1A priority Critical patent/EP3046183B1/en
Publication of WO2015062508A1 publication Critical patent/WO2015062508A1/zh

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/44—Details 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
    • 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
    • H01Q1/2258—Supports; Mounting means by structural association with other equipment or articles used with computer equipment
    • H01Q1/2275—Supports; Mounting means by structural association with other equipment or articles used with computer equipment associated to expansion card or bus, e.g. in PCMCIA, PC cards, Wireless USB
    • 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
    • H01R12/7005—Guiding, mounting, polarizing or locking means; Extractors
    • H01R12/7011—Locking or fixing a connector to a PCB
    • H01R12/707—Soldering or welding
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q13/00—Waveguide horns or mouths; Slot antennas; Leaky-waveguide antennas; Equivalent structures causing radiation along the transmission path of a guided wave
    • H01Q13/10—Resonant slot antennas
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
    • H01Q9/04—Resonant antennas
    • H01Q9/30—Resonant antennas with feed to end of elongated active element, e.g. unipole
    • H01Q9/42—Resonant antennas with feed to end of elongated active element, e.g. unipole with folded element, the folded parts being spaced apart a small fraction of the operating wavelength
    • 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
    • H01R12/72—Coupling devices for rigid printing circuits or like structures coupling with the edge of the rigid printed circuits or like structures
    • H01R12/722—Coupling devices for rigid printing circuits or like structures coupling with the edge of the rigid printed circuits or like structures coupling devices mounted on the edge of the printed circuits
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R2201/00—Connectors or connections adapted for particular applications
    • H01R2201/16—Connectors or connections adapted for particular applications for telephony

Definitions

  • the invention belongs to the field of communications, and in particular relates to a USB communication terminal.
  • FIG. 1a shows a USB of a common USB communication terminal.
  • a connector wherein the basic structure of the USB connector is a metal casing, wherein there are four metal wires fixed by a plastic bracket, which are a positive and negative pole of the power source and a positive and negative poles of the USB signal line, and the four metal wires and the outer casing They are insulated from each other.
  • FIG. 1b shows the positional relationship between a USB connector of a USB communication terminal, a PCB, and an antenna disposed on a PCB.
  • 3 is a USB connector
  • 1 is a PCB
  • 2 is an antenna carrier, wherein the low frequency antenna 21 and the high frequency antenna 22 are respectively disposed in the antenna carrier 2.
  • the USB connector includes a metal casing, if the antenna is relatively close to the USB connector, the USB connector may interfere with the antenna, thereby affecting the performance of the antenna; therefore, the antenna is designed to be as far as possible from the USB connector, as shown in the figure.
  • the USB connector and the antenna are respectively disposed at opposite ends of the PCB.
  • these forms of antennas generally act as a single device, occupying independent space. The physical size of the antenna cannot be unrestrictedly compressed, which limits the miniaturization of wireless communication devices.
  • An object of the embodiments of the present invention is to provide a USB communication terminal terminal, which aims to solve the problem that the antenna of the USB communication terminal occupies an independent space to limit the miniaturization design of the wireless communication device.
  • the present invention provides a USB communication terminal, the USB communication terminal includes a USB connector and a printed circuit board PCB, and the USB connector includes a metal casing, wherein the PCB is provided with a radio frequency signal feed.
  • the RF signal feed point is electrically coupled to the USB metal housing.
  • the metal housing has a first soldering leg for soldering on the PCB, wherein the first soldering leg is not connected to the ground of the PCB.
  • the RF signal feed point is electrically coupled to the USB metal casing.
  • the RF signal feed point is disposed on the PCB and electrically connected to the first soldering leg.
  • the metal housing has a second soldering leg for soldering on the PCB, and the second soldering leg is not Connected to the ground of the PCB.
  • the metal housing is composed of a first portion and a second portion, and the first portion is not connected to the second portion, A first solder leg is disposed on the first portion, the second solder leg is disposed on the second portion, and the second solder leg is coupled to a ground of the PCB.
  • a fourth possible implementation is connected to a metal body, and the metal body is electrically connected to the metal case.
  • the USB communication terminal is a data card.
  • the USB communication terminal of the embodiment of the present invention uses the USB connector metal casing as a part of the antenna or antenna of the USB communication by electrically connecting the RF signal feed point with the USB connector metal casing, so that the USB is There is no need to design an antenna on the communication terminal, thereby saving space in the USB communication terminal and at the same time reducing the cost.
  • 1a is a USB connector of a USB communication terminal in the prior art
  • 1b is a schematic diagram of a PCB soldering correspondence between a USB connector of a USB communication terminal and a USB communication terminal in the prior art
  • 1c is a positional relationship diagram of a USB connector, a PCB, and an antenna disposed on a PCB of a USB communication terminal in the prior art;
  • FIGS. 2a-2b are structural diagrams of a USB communication terminal according to a first embodiment of the present invention.
  • 2c is a schematic diagram of an antenna of a USB communication terminal according to a first embodiment of the present invention.
  • FIG. 3a is a structural diagram of a USB communication terminal according to a second embodiment of the present invention.
  • FIG. 3b is a schematic diagram of an antenna of a USB communication terminal according to a second embodiment of the present invention.
  • FIGS. 4a-4b are structural diagrams of a USB communication terminal according to a third embodiment of the present invention.
  • FIG. 5a-5b are structural diagrams of a USB communication terminal according to a fourth embodiment of the present invention.
  • the embodiment of the present invention can be used as an antenna or a part of an antenna by designing on an existing USB connector, so that the USB communication terminal does not need to use an independent antenna separately, thereby saving space of the USB communication terminal and reducing cost. .
  • Embodiment 1 is a diagrammatic representation of Embodiment 1:
  • the USB communication terminal includes a USB connector and a printed circuit board PCB, wherein the USB connector includes a metal casing having two metal soldering legs 201 and 202 at one end thereof; the soldering legs 201 and 202 For soldering on the PCB; the PCB has soldering holes 301 and 302 for soldering the two metal soldering legs 201 and 202, respectively.
  • An RF signal feed point is further disposed on the PCB, and the RF signal feed point is disposed adjacent to one of the solder holes 301 and 302 to be electrically connected to the corresponding solder leg 201 or 202.
  • the RF signal feed point is not connected to the ground of the PCB.
  • the radio frequency signal feeding point disposed near one of the soldering holes 301 and 302 may be: the radio frequency signal feeding point is disposed near the soldering hole 301 and is not adjacent to the PCB.
  • the metal ground connection is connected, for example, the RF signal feed point is disposed in the area 3011, and the metal ground is not laid in the area 3011, so that the soldering leg 201 of the USB connector is soldered on the PCB
  • the RF signal feed point is electrically connected and not connected to the ground of the PCB.
  • a metal ground is laid around the soldering hole 302, and after the soldering leg 202 is soldered to the PCB, the soldering leg 202 is connected to the metal ground of the PCB.
  • the radio frequency signal feeding point disposed near one of the soldering holes 301 and 302 may be: the radio frequency signal feeding point is disposed near the soldering hole 302 and is not adjacent to the PCB.
  • the metal ground is connected, for example, the RF signal feed point is disposed in the region 3022, and the metal ground is not laid in the region 3011, such that the soldering leg 202 of the USB connector is soldered to the PCB
  • the RF signal feed point is electrically connected and not connected to the ground of the PCB.
  • the welding A metal ground is laid around the hole 301, and after the soldering foot 201 is soldered to the PCB, the soldering leg 201 is connected to the metal ground of the PCB.
  • the metal housing portion of the USB connector forms a slotted antenna of the USB communication terminal with the PCB. As shown in Figure 2c.
  • the USB communication terminal in the embodiment of the present invention is a data card.
  • the USB communication terminal provided by the embodiment of the present invention feeds a radio frequency signal from the first soldering leg by disconnecting the first soldering leg of the USB connector connected to the PCB from the ground of the PCB, so that the USB connector and the PCB A slotted antenna is formed between them, so that the USB communication terminal using such a structure does not need to additionally reserve space for setting the antenna, thereby saving space of the USB communication terminal.
  • FIG. 3a shows a USB communication terminal according to a second embodiment of the present invention.
  • the USB communication terminal includes a USB connector and a printed circuit board PCB, wherein the USB connector includes a metal casing having two metal soldering legs 201 and 202 at one end thereof; the soldering legs 201 and 202 For soldering on the PCB; the PCB has soldering holes 301 and 302 for soldering the two metal soldering legs 201 and 202, respectively.
  • An RF signal feed point is further disposed on the PCB, and the RF signal feed point is disposed adjacent to one of the solder holes 301 and 302 to be electrically connected to the corresponding solder leg 201 or 202.
  • the RF signal feed point is not connected to the ground of the PCB.
  • the RF signal feed point is disposed adjacent to one of the soldering holes 301 and 302: the RF signal feed point is disposed near the solder hole 301 and is not connected to the metal ground of the PCB, for example
  • the RF signal feed point is disposed in the area 3011, and the metal ground is not laid in the area 3011, so that the soldering leg 201 of the USB connector is electrically connected to the RF signal feed point after being soldered on the PCB. And not connected to the ground of the PCB.
  • the metal hole is also not laid around the soldering hole 302. For example, if the metal ground is not laid in the region 3022, the soldering leg 202 is not connected to the metal ground of the PCB after the soldering leg 202 is soldered to the PCB. .
  • the RF signal feeding point is disposed near one of the welding holes 301 and 302: the RF signal feeding point is disposed near the welding hole 302 and is not connected to the metal ground of the PCB.
  • the RF signal feed point is disposed in the region 3022, and the metal ground is not laid in the region 3022, such that the soldering leg 202 of the USB connector is soldered to the PCB and the RF signal feed point Electrically connected and not connected to the ground of the PCB.
  • the metal hole is also not laid around the soldering hole 301. For example, if the metal ground is not laid in the region 3011, the soldering leg 201 is not connected to the metal ground of the PCB after the soldering leg 201 is soldered to the PCB. .
  • the metal casing portion of the USB connector constitutes the antenna of the USB communication terminal. As shown in Figure 3b.
  • the USB communication terminal in the embodiment of the present invention is a data card.
  • the USB communication terminal provided by the embodiment of the present invention feeds a radio frequency signal from any one of the ground legs by disconnecting the ground leg of the USB connector connected to the PCB from the ground of the PCB, so that the USB connector becomes the The antenna of the USB communication terminal, so that the USB communication terminal using such a structure does not need to additionally reserve space for setting the antenna, thereby saving the space of the USB communication terminal.
  • Embodiment 3 is a diagrammatic representation of Embodiment 3
  • FIG. 4 shows a USB communication terminal according to a third embodiment of the present invention.
  • the USB communication terminal includes a USB connector and a printed circuit board PCB, wherein the USB connector includes a metal casing composed of a first portion 2010 and a second portion 2020, the first portion 2010 and the second portion The portions 2020 are not connected, the first portion 2010 is provided with a first soldering leg 201, and the second portion 2020 is provided with soldering legs 202 on which are mounted soldering for soldering the soldering legs 201 and 202, respectively. Holes 301 and 302.
  • An RF signal feed point is further disposed on the PCB, and the RF signal feed point is disposed adjacent to one of the solder holes 301 and 302 to be electrically connected to the corresponding solder leg 201 or 202.
  • the RF signal feed point is not connected to the ground of the PCB.
  • the RF signal feed point is disposed at the same with the soldering holes 301 and 302.
  • One of the vicinitys may be: the RF signal feed point is disposed in the area 3011, and the metal ground is not laid in the area 3011, so that the soldering leg 201 of the USB connector is soldered on the PCB
  • the RF signal feed point is electrically connected and not connected to the ground of the PCB.
  • a metal ground is laid around the soldering hole 302, and after the soldering leg 202 is soldered to the PCB, the soldering leg 202 is connected to the metal ground of the PCB.
  • the RF signal feeding point disposed near one of the welding holes 301 and 302 may be: the RF signal feeding point is disposed near the welding hole 302 and is not The metal ground connection of the PCB, for example, the RF signal feed point is disposed in the region 3022, and the metal ground is not laid in the region 3011, so that the soldering leg 202 of the USB connector is soldered on the PCB It is electrically connected to the RF signal feed point and is not connected to the ground of the PCB.
  • a metal ground is laid around the soldering hole 301, and after the soldering leg 201 is soldered to the PCB, the soldering leg 201 is connected to the metal ground of the PCB.
  • the USB communication terminal in the embodiment of the present invention is a data card.
  • the USB communication terminal provided by the embodiment of the present invention feeds a radio frequency signal from the first soldering leg by disconnecting the first soldering leg of the USB connector connected to the PCB from the ground of the PCB, and simultaneously connects the USB connection
  • the metal casing of the device is cut, and a part of the metal casing connected to the first welding leg is separated from the rest, so that the part of the metal forms a single-stage sub-antenna, which becomes an antenna of the USB communication terminal, thereby using the
  • the USB communication terminal of the structure does not need to additionally reserve space for setting the antenna, thereby saving the space of the USB communication terminal.
  • a USB communication terminal includes a USB connector and a printed circuit board PCB
  • the USB connector includes a metal case
  • the USB connector includes a metal case
  • one end of the metal case has Two metal soldering feet: a first soldering leg and a second soldering leg.
  • the PCB includes a first portion and a second portion, the first portion and the second portion are connected by a radio frequency signal feed point, and the radio frequency signal feed point is not connected to a ground of the PCB, the first part is a metal body and the first portion is electrically connected to the first solder leg.
  • Figure 5a shows a case where the first portion 401 of the PCB and the second portion 402 are connected by a radio frequency signal feed point that is not connected to the ground of the second portion 402 of the PCB.
  • the first portion is coupled to the first solder leg of the metal housing.
  • the second solder leg is soldered to a second portion 402 of the PCB, the second solder leg being connected or not connected to the ground of the second portion 402 of the PCB.
  • the slotted antenna is similar to the antenna shown in Figure 2c.
  • the first portion 401 of the PCB and the metal casing of the USB connector form an antenna of the USB communication terminal, and
  • the antenna shown in 3b is similar.
  • the metal casing of the USB connector can also be composed of two separate parts.
  • FIG. 5b shows a case where the USB is composed of two parts, and the first part 401 and the second part 402 of the PCB are fed by radio frequency signals. Connected, the RF signal feed point is not connected to the ground of the second portion 402 of the PCB, and the first portion is coupled to the first solder leg of the metal housing.
  • the USB connector includes a metal casing composed of a first portion 2010 and a second portion 2020, the first portion 2010 is not connected to the second portion 2020, and the first portion 2010 is provided with a first soldering foot 201, the second portion 2020 is provided with a soldering leg 202, the first soldering leg 201 is soldered to the first portion 401, and the second soldering leg 202 is soldered to the second portion 402 of the PCB.
  • the second solder leg is connected to the ground of the second portion 402 of the PCB.
  • the first portion 401 of the PCB, the first portion 2010 of the metal housing of the USB connector forms a single stage sub-antenna.
  • the USB communication terminal in the embodiment of the present invention is a data card.
  • the USB communication terminal configured to feed a radio frequency signal into a metal body, the metal body is connected to a first soldering leg of the USB connector, and the second soldering of the USB connector
  • the pins are connected or disconnected from the ground of the PCB such that a slotted antenna or a first portion of the PCB and the USB connector are formed between the metal housing of the USB connector and the second portion of the PCB Forming an antenna of the USB communication terminal, or dividing the metal casing into a first portion and a second portion such that a metal casing connected to the first portion of the PCB and the first portion of the PCB form the USB communication terminal antenna.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Computer Hardware Design (AREA)
  • General Engineering & Computer Science (AREA)
  • Support Of Aerials (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)
  • Connections Effected By Soldering, Adhesion, Or Permanent Deformation (AREA)

Abstract

本发明涉及USB通信终端，尤其是一种数据卡，所述USB通信终端包括USB连接器以及印刷电路板PCB，所述USB连接器包括金属外壳，所述PCB上设置有射频信号馈点，所述射频信号馈点与所述金属外壳电联接。本发明USB通信终端通过将射频信号馈点与USB连接器金属外壳电联接，使得所述USB连接器金属外壳作为所述USB通信的天线或天线的一部分使用，使得在所述USB通信终端上不需要另外设计天线，从而节省USB通信终端的空间，并同时降低了成本。

Description

一种USB通信终端
本申请要求于2013年10月30日提交中国专利局，申请号为201310529528.3、发明名称为“一种USB通信终端”的中国专利申请，其全部内容通过引用结合在本申请中。
技术领域
本发明属于通信领域，尤其涉及一种USB通信终端。
背景技术
现有的无线通信设备广泛采用单极子、IFA(倒F天线)、PIFA(皮法天线)形式的内置式天线或外置天线。现有技术中，一般由外壳、USB连接器、PCB以及其他必要部分通过机械或者焊接的方式连接组合在一起形成一个完整的USB无线通信终端，图1a示出了一个普通的USB通信终端的USB连接器，其中，所述USB连接器的基本结构是一个金属外壳，其中有4根由塑料支架固定的金属导线，分别是电源正、负极以及USB信号线正负极，这四根金属导线及外壳彼此之间均绝缘，在使用时，上述4根导线分别与PCB上的电源正、负极以及USB信号线正负极相连接。所述金属外壳的一端还生有两个接地腿，在使用时焊接于印刷电路板PCB的金属地上，起接地和固定的作用，如图1b所示。现有的无线通信设备广泛采用单极子、IFA、PIFA形式的内置式天线或外置天线，图1c示出了一个USB通信终端的USB连接器、PCB与设置在PCB上的天线的位置关系，其中，3为USB连接器，1为PCB，2为天线载体，其中低频天线21和高频天线22分别设置在天线载体2中。由于USB连接器包括有金属外壳，如果天线离USB连接器比较接近，则USB连接器会对天线产生干扰，从而影响天线的性能；因此，天线设计得离USB连接器越远越好，如图1c所示，USB连接器与天线分别设置在PCB上相对的两端。从图中可以看出，这些形式的天线一般都作为一个独立器件，占有独立的空间。天线的物理尺寸不可能无限制压缩，这便限制了无线通信设备的小型化设计。
发明内容
本发明实施例的目的在于提供一种USB通信终端终端，旨在解决由于USB通信终端的天线占有独立的空间限制无线通信设备的小型化设计的问题。
第一方面，本发明提供一种USB通信终端，所述USB通信终端包括USB连接器以及印刷电路板PCB，所述USB连接器包括金属外壳，其特征在于，所述PCB上设置有射频信号馈点，所述射频信号馈点与所述USB金属外壳电联接。
在第一方面的第一种可能的实现方式中，所述金属外壳上具有用于焊接于所述PCB上的第一焊接脚，其中第一焊接脚不与所述PCB的地相连接，所述射频信号馈点与所述USB金属外壳电联接具体为：所述射频信号馈点设置在所述PCB上与所述第一焊接脚电连接。
结合第一方面的第一种可能的实现方式，在第二种可能的实现方式中，所述金属外壳上具有用于焊接于所述PCB上的第二焊接脚，所述第二焊接脚不与所述PCB的地相连接。
结合第一方面的第一种可能的实现方式，在第三种可能的实现方式中，所述金属外壳由第一部分与第二部分组成，所述第一部分与第二部分不相连接，所述第一焊接脚设置在所述第一部分上，所述第二焊接脚设置在所述第二部分上，所述第二焊接脚与所述PCB的地相连接。
结合第一方面或第一方面的第一种可能的实现方式或第一方面的第二种可能的实现方式或第一方面的第三种可能的实现方式，在第四种可能的实现方式中，所述射频信号馈点与一金属体连接，所述金属体与所述金属外壳电连接。
结合第一方面或第一方面的第一种可能的实现方式或第一方面的第二种可能的实现方式或第一方面的第三种可能的实现方式或第一方面的第四种可能的实现方式，在第四种可能的实现方式中，所述USB通信终端为数据卡。
本发明实施例的USB通信终端，通过将射频信号馈点与USB连接器金属外壳电联接，使得所述USB连接器金属外壳作为所述USB通信的天线或天线的一部分使用，使得在所述USB通信终端上不需要另外设计天线，从而节省USB通信终端的空间，并同时降低了成本。
附图说明
为了更清楚地说明本发明实施例或现有技术中的技术方案，下面将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，显而易见地，下面描述中的附图仅仅是本发明的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动性的前提下，还可以根据这些附图获得其他的附图。在附图中：
图1a是现有技术中USB通信终端的USB连接器；
图1b是现有技术中USB通信终端的USB连接器与USB通信终端的PCB焊接对应示意图；
图1c是现有技术中USB通信终端的USB连接器、PCB与设置在PCB上的天线的位置关系图；
图2a-2b是本发明第一实施例提供的USB通信终端的结构图；
图2c是本发明第一实施例提供的USB通信终端的天线示意图；
图3a是本发明第二实施例提供的USB通信终端的结构图；
图3b是本发明第二实施例提供的USB通信终端的天线示意图；
图4a-4b是本发明第三实施例提供的USB通信终端的结构图；
图5a-5b是本发明第四实施例提供的USB通信终端的结构图。
具体实施方式
为了使本发明的目的、技术方案及优点更加清楚明白，以下结合附图及实施例，对本发明进行进一步详细说明。应当理解，此处所描述的具体实施 例仅仅用以解释本发明，并不用于限定本发明。
本发明实施例通过在现有的USB连接器上进行设计，使其能够作为天线或天线的一部分使用，使得USB通信终端不需另外使用独立的天线，从而节省USB通信终端的空间，同时降低成本。
以下结合具体实施例对本发明的具体实现进行详细描述：
实施例一：
图2a-2b示出了本发明第一实施例提供的USB通信终端，为了便于说明，仅示出了与本发明实施例相关的部分。所述USB通信终端包括USB连接器以及印刷电路板PCB，其中，所述USB连接器包括一个金属外壳，所述金属外壳的一端具有两个金属焊接脚201以及202；所述焊接脚201以及202用于焊接于所述PCB上；所述PCB上有分别用于焊接所述两个金属焊接脚201及202的焊接孔301及302。所述PCB上还设置有射频信号馈点，所述射频信号馈点设置在与所述焊接孔301和302的其中之一附近，从而与对应的所述焊接脚201或202电连接。所述射频信号馈点不与所述PCB的地相连接。
具体地，如图2a所示，上述射频信号馈点设置在与所述焊接孔301和302的其中之一附近可以为：所述射频信号馈点设置在焊接孔301附近且不与所述PCB的金属地相连接，例如，所述射频信号馈点设置在区域3011内，所述区域3011内未铺设金属地，使得所述USB连接器的焊接脚201在焊接于所述PCB上之后与所述射频信号馈点电连接且不与所述PCB的地相连接。在所述焊接孔302周围铺设有金属地，则当所述焊接脚202焊接于所述PCB上之后，所述焊接脚202与所述PCB的金属地相连接。
或者，如图2b所示，上述射频信号馈点设置在与所述焊接孔301和302的其中之一附近可以为：所述射频信号馈点设置在焊接孔302附近且不与所述PCB的金属地相连接，例如，所述射频信号馈点设置在区域3022内，所述区域3011内未铺设金属地，使得所述USB连接器的焊接脚202在焊接于所述PCB上之后与所述射频信号馈点电连接且不与所述PCB的地相连接。所述焊接 孔301周围铺设有金属地，则当所述焊接脚201焊接于所述PCB上之后，所述焊接脚201与所述PCB的金属地相连接。
这样，当所述USB通信终端工作时，USB连接器的金属外壳部分与所述PCB形成了所述USB通信终端的开槽天线。如图2c所示。
本发明实施例所述USB通信终端为数据卡。
本发明实施例提供的USB通信终端，通过将与PCB相连的USB连接器的第一焊接脚与PCB的地断开，将射频信号从所述第一焊接脚馈入，使得USB连接器与PCB之间形成一个开槽天线，从而使得使用此种结构的USB通信终端不需另外留出空间用于设置天线，从而节省了USB通信终端的空间。
实施例二
图3a示出了本发明第二实施例提供的USB通信终端，为了便于说明，仅示出了与本发明实施例相关的部分。所述USB通信终端包括USB连接器以及印刷电路板PCB，其中，所述USB连接器包括一个金属外壳，所述金属外壳的一端具有两个金属焊接脚201以及202；所述焊接脚201以及202用于焊接于所述PCB上；所述PCB上有分别用于焊接所述两个金属焊接脚201及202的焊接孔301及302。所述PCB上还设置有射频信号馈点，所述射频信号馈点设置在与所述焊接孔301和302的其中之一附近，从而与对应的所述焊接脚201或202电连接。所述射频信号馈点不与所述PCB的地相连接。
具体的，上述射频信号馈点设置在与所述焊接孔301和302的其中之一附近为：所述射频信号馈点设置在焊接孔301附近且不与所述PCB的金属地相连接，例如，所述射频信号馈点设置在区域3011内，所述区域3011内未铺设金属地，使得所述USB连接器的焊接脚201在焊接于所述PCB上之后与所述射频信号馈点电连接且不与所述PCB的地相连接。所述焊接孔302周围也未铺设金属地，例如，区域3022内未铺设金属地，则当所述焊接脚202焊接于所述PCB上之后，所述焊接脚202与PCB的金属地不相连接。
或者可选地，上述射频信号馈点设置在与所述焊接孔301和302的其中之一附近为：所述射频信号馈点设置在焊接孔302附近且不与所述PCB的金属地相连接，例如，所述射频信号馈点设置在区域3022内，所述区域3022内未铺设金属地，使得所述USB连接器的焊接脚202在焊接于所述PCB上之后与所述射频信号馈点电连接且不与所述PCB的地相连接。所述焊接孔301周围也未铺设金属地，例如，区域3011内未铺设金属地，则当所述焊接脚201焊接于所述PCB上之后，所述焊接脚201与PCB的金属地不相连接。
这样，当所述USB通信终端工作时，USB连接器的金属外壳部分即构成了所述USB通信终端的天线。如图3b所示。
本发明实施例所述USB通信终端为数据卡。
本发明实施例提供的USB通信终端，通过将与PCB相连的USB连接器的接地腿与PCB的地断开，将射频信号从所述接地腿的任意一条馈入，使得USB连接器成为所述USB通信终端的天线，从而使得使用此种结构的USB通信终端不需另外留出空间用于设置天线，从而节省了USB通信终端的空间。
实施例三：
图4示出了本发明第三实施例提供的USB通信终端，为了便于说明，仅示出了与本发明实施例相关的部分。所述USB通信终端包括USB连接器以及印刷电路板PCB，其中，所述USB连接器包括一个金属外壳，所述金属外壳由第一部分2010与第二部分2020组成，所述第一部分2010与第二部分2020不相连接，所述第一部分2010设置有第一焊接脚201，所述第二部分2020设置有焊接脚202，所述PCB上设置有分别用于焊接所述焊接脚201和202的焊接孔301及302。所述PCB上还设置有射频信号馈点，所述射频信号馈点设置在与所述焊接孔301和302的其中之一附近，从而与对应的所述焊接脚201或202电连接。所述射频信号馈点不与所述PCB的地相连接。
具体地，如图4a所示，上述射频信号馈点设置在与所述焊接孔301和302 的其中之一附近可以为：所述射频信号馈点设置在区域3011内，所述区域3011内未铺设金属地，使得所述USB连接器的焊接脚201在焊接于所述PCB上之后与所述射频信号馈点电连接且不与所述PCB的地相连接。在所述焊接孔302周围铺设有金属地，则当所述焊接脚202焊接于所述PCB上之后，所述焊接脚202与所述PCB的金属地相连接。这样，当所述USB通信终端工作时，所述USB连接器的第一部分2010形成单级子天线。
或者可选的，如图4b所示，上述射频信号馈点设置在与所述焊接孔301和302的其中之一附近可以为：所述射频信号馈点设置在焊接孔302附近且不与所述PCB的金属地相连接，例如，所述射频信号馈点设置在区域3022内，所述区域3011内未铺设金属地，使得所述USB连接器的焊接脚202在焊接于所述PCB上之后与所述射频信号馈点电连接且不与所述PCB的地相连接。所述焊接孔301周围铺设有金属地，则当所述焊接脚201焊接于所述PCB上之后，所述焊接脚201与所述PCB的金属地相连接。这样，当所述USB通信终端工作时，所述USB连接器的第二部分2020形成单级子天线。
本发明实施例所述USB通信终端为数据卡。
本发明实施例提供的USB通信终端，通过将与PCB相连的USB连接器的第一焊接脚与PCB的地断开，将射频信号从所述第一焊接脚馈入，同时对所述USB连接器的金属外壳进行切割，将与所述第一焊接脚相连接的部分金属外壳与其余部分分离，使得这一部分金属形成一个单级子天线，成为所述USB通信终端的天线，从而使得使用此种结构的USB通信终端不需另外留出空间用于设置天线，从而节省了USB通信终端的空间。
实施例四
本发明第四实施例提供的USB通信终端，包括USB连接器以及印刷电路板PCB，所述USB连接器包括金属外壳，其中，所述USB连接器包括一个金属外壳，所述金属外壳的一端具有两个金属焊接脚：第一焊接脚与第二焊接脚。 所述PCB包括第一部分与第二部分，所述第一部分与所述第二部分通过射频信号馈点相连接，所述射频信号馈点不与所述PCB的地相连接，所述第一部分为金属体且所述第一部分与所述第一焊接脚电连接。图5a示出了其中的一种情况，所述PCB的第一部分401与第二部分402通过射频信号馈点相连接，所述射频信号馈点不与所述PCB第二部分402的地相连接，所述第一部分与所述金属外壳的第一焊接脚相连接。所述第二焊接脚焊接于与所述PCB的第二部分402上，所述第二焊接脚与所述PCB的第二部分402的地相连接或不相连接。当所述第二焊接脚与所述PCB的第二部分402的地相连接时，所述PCB的第一部分401、所述USB连接器的金属外壳以及所述PCB的第二部分402之间形成开槽天线，与图2c所示天线类似。当所述第二焊接脚与所述PCB的第二部分402的地不相连接时，所述PCB的第一部分401以及所述USB连接器的金属外壳形成所述USB通信终端的天线，与图3b所示天线类似。
另外，所述USB连接器的金属外壳也可由分离的两部分组成，图5b示出了USB由两部分组成的一种情况，所述PCB的第一部分401与第二部分402通过射频信号馈点相连接，所述射频信号馈点不与所述PCB第二部分402的地相连接，所述第一部分与所述金属外壳的第一焊接脚相连接。所述USB连接器包括一个金属外壳，所述金属外壳由第一部分2010与第二部分2020组成，所述第一部分2010与第二部分2020不相连接，所述第一部分2010设置有第一焊接脚201，所述第二部分2020设置有焊接脚202，所述第一焊接脚201焊接于所述第一部分401上，所述第二焊接脚202焊接于与所述PCB的第二部分402上，所述第二焊接脚与所述PCB的第二部分402的地相连接。所述PCB的第一部分401、所述USB连接器的金属外壳的第一部分2010形成单级子天线。
本发明实施例所述USB通信终端为数据卡。
本发明实施例提供的USB通信终端，通过将射频信号馈入一金属体，所述金属体与所述USB连接器的第一焊接脚相连接，所述USB连接器的第二焊 接脚与PCB的地相连接或不相连接，使得所述USB连接器的金属外壳以及所述PCB的第二部分之间形成开槽天线或者所述PCB的第一部分以及所述USB连接器的金属外壳形成所述USB通信终端的天线，或者将金属外壳分成第一部分与第二部分，使得与所述PCB的第一部分相连接的金属外壳与所述PCB的第一部分形成所述USB通信终端的天线。
以上所述的具体实施方式，对本发明的目的、技术方案和有益效果进行了进一步详细说明，所应理解的是，以上所述仅为本发明的具体实施方式而已，并不用于限定本发明的保护范围，凡在本发明的精神和原则之内，所做的任何修改、等同替换、改进等，均应包含在本发明的保护范围之内。

Claims (6)

  1. 一种USB通信终端，包括USB连接器以及印刷电路板PCB，所述USB连接器包括金属外壳，其特征在于，所述PCB上设置有射频信号馈点，所述射频信号馈点与所述金属外壳电联接。
  2. 根据权利要求1所述的USB通信终端，其特征在于，所述金属外壳上具有用于焊接于所述PCB上的第一焊接脚，其中第一焊接脚不与所述PCB的地相连接，所述射频信号馈点与所述金属外壳电联接具体为：所述射频信号馈点设置在所述PCB上与所述第一焊接脚电连接。
  3. 根据权利要求2所述的USB通信终端，其特征在于，所述金属外壳上具有用于焊接于所述PCB上的第二焊接脚，所述第二焊接脚不与所述PCB的地相连接。
  4. 根据权利要求2所述的USB通信终端，其特征在于，所述金属外壳由第一部分与第二部分组成，所述第一部分与第二部分不相连接，所述第一焊接脚设置在所述第一部分上，所述第二焊接脚设置在所述第二部分上，所述第二焊接脚与所述PCB的地相连接。
  5. 根据权利要求1-4任一项所述的USB通信终端，其特征在于，所述PCB包括第一部分与第二部分，所述第一部分与所述第二部分通过射频信号馈点相连接，所述第一部分为金属体且所述第一部分与所述第一焊接脚电连接。
  6. 根据权利要求1-5任一项所述的USB通信终端，其特征在于，所述USB通信终端为数据卡。
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