WO2019001147A1 - 一种天线和移动终端 - Google Patents

一种天线和移动终端 Download PDF

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Publication number
WO2019001147A1
WO2019001147A1 PCT/CN2018/086458 CN2018086458W WO2019001147A1 WO 2019001147 A1 WO2019001147 A1 WO 2019001147A1 CN 2018086458 W CN2018086458 W CN 2018086458W WO 2019001147 A1 WO2019001147 A1 WO 2019001147A1
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WO
WIPO (PCT)
Prior art keywords
opening
switching device
back cover
antenna
metal back
Prior art date
Application number
PCT/CN2018/086458
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English (en)
French (fr)
Inventor
蒋锐
Original Assignee
维沃移动通信有限公司
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Filing date
Publication date
Application filed by 维沃移动通信有限公司 filed Critical 维沃移动通信有限公司
Publication of WO2019001147A1 publication Critical patent/WO2019001147A1/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
    • H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
    • 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
    • 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
    • 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
    • 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
    • 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
    • H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
    • H01Q5/10—Resonant antennas
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
    • H01Q5/20—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements characterised by the operating wavebands
    • H01Q5/28—Arrangements for establishing polarisation or beam width over two or more different wavebands
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
    • H01Q5/30—Arrangements for providing operation on different wavebands
    • H01Q5/307—Individual or coupled radiating elements, each element being fed in an unspecified way
    • H01Q5/314—Individual or coupled radiating elements, each element being fed in an unspecified way using frequency dependent circuits or components, e.g. trap circuits or capacitors
    • H01Q5/328—Individual or coupled radiating elements, each element being fed in an unspecified way using frequency dependent circuits or components, e.g. trap circuits or capacitors between a radiating element and ground

Definitions

  • the present disclosure relates to the field of mobile terminal technologies, and in particular, to an antenna and a mobile terminal.
  • the appearance of the all-metal back cover of the mobile terminal is mostly a U-shaped slit appearance.
  • the antenna of the mobile terminal is as shown in FIG. 1 under the appearance of the U-shaped slot.
  • the antenna under the appearance of the U-shaped slot has the following defects: the opening 1' and the opening 2' are both on the long side of the whole machine; the radiator has only the first radiating slit and the second radiating slit; and the control switch 3 is controlled by the control 'And the control switch 2 4' is turned on and off to adjust the resonant mode of the antenna, and the mid-high frequency antenna resonance mode cannot be realized. That is, the U-shaped slot reduces the performance of the whole antenna, and the performance of the whole antenna is difficult to meet the performance requirements of the consumer.
  • an object of the embodiments of the present disclosure is to provide an antenna and a mobile terminal to solve the problem of low antenna performance under the appearance of a U-shaped slot in the related art.
  • an embodiment of the present disclosure discloses an antenna including an all-metal back cover, a short side of the all-metal back cover and a U-shaped gap between the main body of the all-metal back cover, and the antenna is further
  • the first opening and the second opening are respectively disposed on a short side of the all-metal back cover, extending from the end of the U-shaped slit to the first opening
  • the all-metal back cover is a first radiator
  • the all-metal back cover between the first opening and the second opening is a connecting portion of the short side, and the connecting portion is adjacent to one end of the second opening Connected to the body of the all-metal back cover; a feed, a first switching device and a second switching device, one end of the feed, the first end of the first switching device, and the second switching device One end is connected to the connecting portion, the other end of the feed, the second end of the first switching device, and the second end of the second switching device are grounded, and the feed is close to the first Opening
  • an embodiment of the present disclosure further discloses a mobile terminal including the antenna.
  • Embodiments of the present disclosure include the advantage that an antenna disposed under the appearance of a U-shaped slit includes an all-metal back cover, a first opening, a second opening, a feed, a first switching device, and a second switching device.
  • the short side of the all-metal back cover and the main body of the all-metal back cover have a U-shaped slit, and the first opening and the second opening are respectively disposed on the short side of the all-metal back cover, extending from the end of the U-shaped slit to the first
  • An open all-metal back cover is a first radiator, and an all-metal back cover between the first opening and the second opening is a short-side connecting portion, and an end of the connecting portion near the second opening and a body of the entire back cover Connecting; one end of the feed, the first end of the first switching device, the first end of the second switching device are connected to the connection portion, the other end of the feed, the second end of the first switching device, and the second switching device The second end is grounded, the feed is adjacent to the first opening, the first switching device is disposed between the feed and the second switching device; when the first switching device is turned on and the second switching device is turned off, the antenna operates at a medium high frequency Antenna resonance mode.
  • the first opening and the second opening can be respectively disposed on the short sides of the all-metal back cover, and at the same time, a radiator (ie, the first radiator) is added, and the medium-high frequency antenna resonance is realized.
  • the modality effectively improves the performance of the antenna under the appearance of the U-shaped slit, and is convenient for meeting the performance requirements of the consumer.
  • FIG. 1 is a schematic structural diagram of an antenna of a mobile terminal in the related art
  • FIG. 2 is a schematic structural view of an antenna embodiment of the present disclosure.
  • FIG. 2 there is shown a schematic structural view of an antenna embodiment of the present disclosure, which may include an all-metal back cover 1 having a short side of the all-metal back cover 1 and a body 11 of the all-metal back cover 1 U-shaped slit 2.
  • an all-metal back cover 1 having a short side of the all-metal back cover 1 and a body 11 of the all-metal back cover 1 U-shaped slit 2.
  • the antenna may further include: a first opening 3 and a second opening 4 respectively disposed on a short side of the all-metal back cover 1, extending from the end of the U-shaped slit to the first
  • the all-metal back cover 1 of an opening 3 is a first radiator 13
  • the all-metal back cover 1 between the first opening 3 and the second opening 4 is a short-side connecting portion 12
  • the connecting portion 12 is adjacent to the second opening 4
  • One end is connected to the main body 11 of the all-metal back cover 1; the feed 5, the first switching device 6 and the second switching device 7, one end of the feed 5, the first end of the first switching device 6, and the second switching device 7
  • the first end of the feed is connected to the connecting portion 12, the other end of the feed 5, the second end of the first switching device 6, and the second end of the second switching device 7 are grounded, and the feed 5 is adjacent to the first opening 3,
  • first The switching device 6 is disposed between the feed 5 and the second switching device 7; when the first switching device 6 is turned on and
  • the short side may include a connecting portion 12, a first radiator 13 and an all-metal back cover 1 extending from the end of the U-shaped slit to the second opening 4.
  • the feed 5 is connected to the connecting portion 12 at the first position 14, the first switching device 6 is connected to the connecting portion 12 at the second position 15, and the second switching device 7 and the connecting portion 12 are at the third position. 16 is connected, and one end of the connecting portion 12 close to the second opening 4 is connected to the main body 11 of the all-metal back cover at the fourth position 17.
  • the antenna has a first radiation slit 21 and a second radiation slit 22 in addition to the first radiator 13.
  • the loop of the first radiation slot 21 is: from the feed 5 through the first position 14, the second position 15, the first switching device 6 and the ground
  • the loop of the second radiation slot 22 is: from the feed 5 through the first position 14
  • the second position 15, the third position 16, and the second switching device 7 are grounded.
  • the parasitic inductance of the first switching device 6 acts together with the path inductance between the second position 15 and the fourth position 17, which is equivalent to The actual lower ground position of the first radiating slit 21 is located between the second position 15 and the fourth position 17, thereby lengthening the electrical length of the first radiating slit 21 such that the antenna operates in the medium-high frequency resonant mode.
  • the electrical length of the first radiation slot 21 can be adjusted by adjusting the second position 15 or the lower ground position of the first switching device 6, etc., thereby adjusting the operating frequency of the antenna.
  • the first opening 3 and the second opening 4 can be respectively disposed on the short sides of the all-metal back cover 1, and the first radiator 13 is added, and the medium-high frequency antenna resonance mode is realized. It effectively improves the performance of the antenna under the appearance of the U-shaped slot 2, and is convenient for meeting the performance requirements of the consumer.
  • the other end of the feed 5, the second end of the first switching device 6, and the second end of the second switching device 7 may include a PCB (Printed Circuit Board).
  • one end of the connecting portion 12 adjacent to the second opening 4 and the main body 11 of the all-metal back cover 1 may be directly connected by an aluminum alloy, or connected by a circuit of a PCB or the like.
  • the distance between the first position 14 and the first opening 3 may be less than or equal to 5 mm, and the distance between the second position 15 and the first opening 3 may range from 15 mm. 20mm, the distance between the third position 16 and the first opening 3 may range from 25mm to 35mm, and the length of the first radiator 13 may range from 15mm to 20mm.
  • the first position 14 is as close as possible to the first opening 3, ie the distance between the first position 14 and the first opening 3 can be as small as possible.
  • the fourth position 17 is as close as possible to the second opening 4, ie the distance between the fourth position 17 and the second opening 4 can be as small as possible.
  • first opening 3 and the second opening 4 may be symmetrically disposed with respect to the center of the short side of the all-metal back cover 1, and the appearance of the mobile terminal is more beautiful.
  • the first switching device 6 and the second switching device 7 may comprise a single-pole multi-throw switch, in which case each throwing point of the switching device may be connected to an antenna matching circuit.
  • the single-pole multi-throw switch can be a 2T/3T/4T switch or other single-pole multi-throw switch.
  • the antenna radiates energy mainly through the first radiation slit 21 and the second radiation slit 22.
  • the antenna can work on B1, B3, etc.
  • the intermediate frequency resonant mode can work in high frequency resonant modes such as B40 and B41.
  • the antenna radiates energy mainly through the first radiation slit 21 and the second radiation slit 22.
  • the antenna can operate at B5, B8, B12 and other low-frequency resonant modes, or can work in intermediate frequency resonant modes such as B1 and B3, or can work in high-frequency resonant modes such as B40 and B41.
  • the antenna mainly radiates energy through the second radiation slit 22.
  • the antenna by adjusting the third position 16, the grounding position of the second switching device 7, and the like, the electrical length of the second radiating slit 22 is adjusted, and the antenna can operate in a low frequency resonant mode such as B5, B8.
  • the turning on or off of the first switching device 6 and the second switching device 7 may be controlled by the CPU or other device of the mobile terminal according to the resonant mode requirement of the antenna.
  • the antenna of the embodiment of the present disclosure can be applied not only to a mobile terminal having a U-shaped slot appearance but also to a mobile terminal having a non-U-shaped slot appearance, for example, applied to a mobile having a linear slit appearance.
  • the terminal or a mobile terminal having a multi-slit (micro-slit) appearance can also enhance the antenna performance in a mobile terminal having a non-U-shaped slot appearance.
  • the antenna under the appearance of the U-shaped slit includes an all-metal back cover, a first opening, a second opening, a feed, a first switching device, and a second switching device.
  • the short side of the all-metal back cover and the main body of the all-metal back cover have a U-shaped slit, and the first opening and the second opening are respectively disposed on the short side of the all-metal back cover, extending from the end of the U-shaped slit to the first
  • An open all-metal back cover is a first radiator, and an all-metal back cover between the first opening and the second opening is a short-side connecting portion, and an end of the connecting portion near the second opening and a body of the entire back cover Connecting; one end of the feed, the first end of the first switching device, the first end of the second switching device are connected to the connection portion, the other end of the feed, the second end of the first switching device, and the second switching device.
  • the first opening and the second opening can be respectively disposed on the short sides of the all-metal back cover, and the first radiator is added, and the medium-high frequency antenna resonance mode is realized, which effectively improves the antenna.
  • the antenna performance under the appearance of the U-shaped slit is convenient to meet the performance needs of consumers.
  • the embodiment of the present disclosure also discloses a mobile terminal, including the antenna described above.
  • the mobile terminal may include a mobile phone, a tablet computer, a personal digital assistant (PDA), a vehicle-mounted computer, a smart wearable device, or a navigator.
  • PDA personal digital assistant
  • the mobile terminal of the embodiment of the present disclosure includes the following advantages: the antenna under the appearance of the U-shaped slit includes an all-metal back cover, a first opening, a second opening, a feed, a first switching device, and a second switching device.
  • the short side of the all-metal back cover and the main body of the all-metal back cover have a U-shaped slit, and the first opening and the second opening are respectively disposed on the short side of the all-metal back cover, extending from the end of the U-shaped slit to the first
  • An open all-metal back cover is a first radiator, and an all-metal back cover between the first opening and the second opening is a short-side connecting portion, and an end of the connecting portion near the second opening and a body of the entire back cover Connecting; one end of the feed, the first end of the first switching device, the first end of the second switching device are connected to the connection portion, the other end of the feed, the second end of the first switching device, and the second switching device The second end is grounded, the feed is adjacent to the first opening, the first switching device is disposed between the feed and the second switching device; when the first switching device is turned on and the second switching device is turned off, the antenna operates at a medium high frequency Antenna resonance mode.
  • the first opening and the second opening can be respectively disposed on the short sides of the all-metal back cover, and at the same time, a radiator (ie, the first radiator) is added, and the medium-high frequency antenna resonance is realized.
  • the modality effectively improves the performance of the antenna under the appearance of the U-shaped slit, and is convenient for meeting the performance requirements of the consumer.
  • the description is relatively simple, and the relevant parts can be referred to the description of the antenna embodiment.
  • embodiments of the disclosed embodiments can be provided as a method, apparatus, or computer program product.
  • embodiments of the present disclosure can take the form of an entirely hardware embodiment, an entirely software embodiment, or a combination of software and hardware.
  • embodiments of the present disclosure may take the form of a computer program product embodied on one or more computer usable storage media (including but not limited to disk storage, CD-ROM, optical storage, etc.) including computer usable program code.
  • Embodiments of the present disclosure are described with reference to flowchart illustrations and/or block diagrams of a method, a terminal device (system), and a computer program product according to an embodiment of the present disclosure. It will be understood that each flow and/or block of the flowchart illustrations and/or FIG.
  • These computer program instructions can be provided to a processor of a general purpose computer, special purpose computer, embedded processor or other programmable data processing terminal device to produce a machine such that instructions are executed by a processor of a computer or other programmable data processing terminal device
  • Means are provided for implementing the functions specified in one or more of the flow or in a block or blocks of a flow diagram.
  • the computer program instructions can also be stored in a computer readable memory that can direct a computer or other programmable data processing terminal device to operate in a particular manner, such that instructions stored in the computer readable memory produce an article of manufacture comprising the instruction device.
  • the instruction device implements the functions specified in one or more blocks of the flow or in a flow or block diagram of the flowchart.

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Abstract

本公开提供一种天线和移动终端，天线包括：全金属后盖，短边与主体之间有U型缝隙；第一开口和第二开口分别设置在短边上，从U型缝隙末端延伸至第一开口的全金属后盖为第一辐射体，第一开口和第二开口之间的全金属后盖为短边的连接部，连接部上靠近第二开口的一端与主体连接；馈源的一端、第一开关器件和第二开关器件的第一端均与连接部连接，馈源的另一端、第一开关器件和第二开关器件的第二端接地，馈源靠近第一开口，第一开关器件设置在馈源和第二开关器件之间；当第一开关器件导通，第二开关器件断开时，天线工作于中高频谐振模态。

Description

一种天线和移动终端
相关申请的交叉引用
本申请主张在2017年6月27日在中国提交的中国专利申请号No.201710502686.8的优先权，其全部内容通过引用包含于此。
技术领域
本公开涉及移动终端技术领域，特别是涉及一种天线和一种移动终端。
背景技术
目前，移动终端全金属后盖外观大多为U型缝隙外观。相关技术中，U型缝隙外观下，移动终端的天线如图1所示。
相关技术中U型缝隙外观下的天线存在以下缺陷：开口一1’和开口二2’都在整机的长边；辐射体只有第一辐射缝隙和第二辐射缝隙；通过控制控制开关一3’和控制开关二4’的导通、断开来调整天线的谐振模态，无法实现中高频的天线谐振模态。即U型缝隙降低了整机天线的性能，整机天线的性能难以达到消费者的性能使用需求。
发明内容
鉴于上述问题，本公开实施例的目的在于提供一种天线和一种移动终端，以解决相关技术中U型缝隙外观下天线性能低的问题。
为了解决上述问题，本公开实施例公开了一种天线，包括全金属后盖，所述全金属后盖的短边与所述全金属后盖的主体之间具有U型缝隙，所述天线还包括：第一开口和第二开口，所述第一开口和所述第二开口分别设置在所述全金属后盖的短边上，从所述U型缝隙末端延伸至所述第一开口的全金属后盖为第一辐射体，所述第一开口和所述第二开口之间的全金属后盖为所述短边的连接部，所述连接部上靠近所述第二开口的一端与所述全金属后盖的主体连接；馈源、第一开关器件和第二开关器件，所述馈源的一端、所述第一开关器件的第一端、所述第二开关器件的第一端均与所述连接部连接， 所述馈源的另一端、所述第一开关器件的第二端、所述第二开关器件的第二端接地，所述馈源靠近所述第一开口，所述第一开关器件设置在所述馈源和所述第二开关器件之间；当所述第一开关器件导通，所述第二开关器件断开时，所述天线工作于中高频谐振模态。
为了解决上述问题，本公开实施例还公开了一种移动终端，包括所述的天线。
本公开实施例包括以下优点：设置U型缝隙外观下的天线包括全金属后盖、第一开口、第二开口、馈源、第一开关器件和第二开关器件。其中，全金属后盖的短边与全金属后盖的主体之间具有U型缝隙，第一开口和第二开口分别设置在全金属后盖的短边上，从U型缝隙末端延伸至第一开口的全金属后盖为第一辐射体，第一开口和第二开口之间的全金属后盖为短边的连接部，连接部上靠近第二开口的一端与全属后盖的主体连接；馈源的一端、第一开关器件的第一端、第二开关器件的第一端均与连接部连接，馈源的另一端、第一开关器件的第二端、第二开关器件的第二端接地，馈源靠近第一开口，第一开关器件设置在馈源和第二开关器件之间；当第一开关器件导通，第二开关器件断开时，天线工作于中高频的天线谐振模态。这样，与相关技术相比，第一开口和第二开口可以分别设置在全金属后盖的短边上，同时增加了一辐射体(即第一辐射体)，并实现了中高频的天线谐振模态，有效提高了U型缝隙外观下的天线性能，便于满足消费者的性能使用需求。
附图说明
图1是相关技术中移动终端的天线结构示意图；
图2是本公开的一种天线实施例的结构示意图。
具体实施方式
为使本公开的上述目的、特征和优点能够更加明显易懂，下面结合附图和具体实施方式对本公开作进一步详细的说明。
参照图2，其示出了本公开的一种天线实施例的结构示意图，该天线可 以包括全金属后盖1，全金属后盖1的短边与全金属后盖1的主体11之间具有U型缝隙2。参照图2，该天线还可以包括：第一开口3和第二开口4，第一开口3和第二开口4分别设置在全金属后盖1的短边上，从U型缝隙末端延伸至第一开口3的全金属后盖1为第一辐射体13，第一开口3和第二开口4之间的全金属后盖1为短边的连接部12，连接部12上靠近第二开口4的一端与全金属后盖1的主体11连接；馈源5、第一开关器件6和第二开关器件7，馈源5的一端、第一开关器件6的第一端、第二开关器件7的第一端均与连接部12连接，馈源5的另一端、第一开关器件6的第二端、第二开关器件7的第二端接地，馈源5靠近第一开口3，第一开关器件6设置在馈源5和第二开关器件7之间；当第一开关器件6导通，第二开关器件7断开时，天线工作于中高频谐振模态。
其中，短边可以包括连接部12、第一辐射体13以及从U型缝隙末端延伸至第二开口4的全金属后盖1等。
具体地，参照图2，馈源5与连接部12在第一位置14连接，第一开关器件6与连接部12在第二位置15连接，第二开关器件7与连接部12在第三位置16连接，连接部12上靠近第二开口4的一端与全金属后盖的主体11在第四位置17连接。
参照图2，该天线除具有第一辐射体13外，还具有第一辐射缝隙21和第二辐射缝隙22。第一辐射缝隙21的loop为：从馈源5经第一位置14、第二位置15、第一开关器件6后下地，第二辐射缝隙22的loop为：从馈源5经第一位置14、第二位置15、第三位置16、第二开关器件7后下地。
具体地，当第一开关器件6导通，第二开关器件7断开时，第一开关器件6的寄生电感，与第二位置15到第四位置17之间的路径电感一起作用，相当于第一辐射缝隙21的实际下地位置位于第二位置15和第四位置17之间，从而加长了第一辐射缝隙21的电长度，使得天线工作于中高频谐振模态。此时，通过调整第二位置15或第一开关器件6的下地位置等可以实现调整第一辐射缝隙21的电长度，进而实现调整天线的工作频率。
这样，与相关技术相比，第一开口3和第二开口4可以分别设置在全金属后盖1的短边上，同时增加了第一辐射体13，并实现了中高频的天线谐振模态，有效提高了U型缝隙2外观下的天线性能，便于满足消费者的性能使用需求。
可选地，在本公开的一个实施例中，馈源5的另一端、第一开关器件6的第二端、第二开关器件7的第二端所接的地可以包括PCB(Printed Circuit Board，印制电路板)上的地、全金属后盖1的主体11上的地或显示屏金属支架(例如镁合金显示屏支架)上的地等。
可选地，在本公开的一个实施例中，连接部12上靠近第二开口4的一端与全金属后盖1的主体11，可以通过铝合金直接连接，或通过PCB的线路等实现连接。
可选地，在本公开的一个实施例中，第一位置14与第一开口3之间的距离可以小于或等于5mm，第二位置15与第一开口3之间的距离范围可以为15mm-20mm，第三位置16与第一开口3之间的距离范围可以为25mm-35mm，第一辐射体13的长度范围可以为15mm-20mm。优选地，第一位置14尽量靠近第一开口3，即第一位置14与第一开口3之间的距离可以尽可能小。优选地，第四位置17尽量靠近第二开口4，即第四位置17与第二开口4之间的距离可以尽可能小。
可选地，第一开口3和第二开口4可以相对全金属后盖1的短边中心对称设置，移动终端的外观更美观。
可选地，第一开关器件6、第二开关器件7可以包括单刀多掷开关，此时，开关器件的每个掷点可以与一天线匹配电路相连。具体地，单刀多掷开关可以为2T/3T/4T开关或其他单刀多掷开关。
具体地，当第一开关器件6和第二开关器件7均导通时，天线主要通过第一辐射缝隙21和第二辐射缝隙22进行能量辐射。此时，通过调整第二位置15、第三位置16、第一开关器件6的接地位置、第二开关器件7的接地位置等，来调节辐射缝隙的电长度，天线可以工作于B1、B3等中频谐振模态， 或可以工作于B40、B41等高频谐振模态。
具体地，当第一开关器件6和第二开关器件7均断开时，天线主要通过第一辐射缝隙21和第二辐射缝隙22进行能量辐射。此时，通过调整第二位置15、第三位置16、第一开关器件6的接地位置、第二开关器件7的接地位置等，来调节辐射缝隙的电长度，天线可以工作于B5、B8、B12等低频谐振模态，或可以工作于B1、B3等中频谐振模态，或可以工作于B40、B41等高频谐振模态。
具体地，当第一开关器件6断开，第二开关器件7导通时，天线主要通过第二辐射缝隙22进行能量辐射。此时，通过调整第三位置16、第二开关器件7的接地位置等，来调节第二辐射缝隙22的电长度，天线可以工作于B5、B8等低频谐振模态。
具体地，在本公开的一个实施例中，可以通过移动终端的CPU或其它器件根据天线的谐振模态需求控制第一开关器件6、第二开关器件7的导通或断开。
需要说明的是，本公开实施例的天线不仅可以应用在具有U型缝隙外观的移动终端上，也可以应用在具有非U型缝隙外观的移动终端上，例如，应用在具有直线缝隙外观的移动终端或具有多缝(微缝)外观的移动终端上，同样可以提升非U型缝隙外观的移动终端中天线性能。
本公开实施例的天线包括以下优点：设置U型缝隙外观下的天线包括全金属后盖、第一开口、第二开口、馈源、第一开关器件和第二开关器件。其中，全金属后盖的短边与全金属后盖的主体之间具有U型缝隙，第一开口和第二开口分别设置在全金属后盖的短边上，从U型缝隙末端延伸至第一开口的全金属后盖为第一辐射体，第一开口和第二开口之间的全金属后盖为短边的连接部，连接部上靠近第二开口的一端与全属后盖的主体连接；馈源的一端、第一开关器件的第一端、第二开关器件的第一端均与连接部连接，馈源的另一端、第一开关器件的第二端、第二开关器件的第二端接地，馈源靠近第一开口，第一开关器件设置在馈源和第二开关器件之间；当第一开关器件 导通，第二开关器件断开时，天线工作于中高频的天线谐振模态。这样，与相关技术相比，第一开口和第二开口可以分别设置在全金属后盖的短边上，同时增加了第一辐射体，并实现了中高频的天线谐振模态，有效提高了U型缝隙外观下的天线性能，便于满足消费者的性能使用需求。
本公开实施例还公开了一种移动终端，包括上述的天线。
具体地，移动终端可以包括手机、平板电脑、个人数字助理(PDA，Personal Digital Assistant)、车载电脑、智能穿戴设备或导航仪等。
本公开实施例的移动终端包括以下优点：设置U型缝隙外观下的天线包括全金属后盖、第一开口、第二开口、馈源、第一开关器件和第二开关器件。其中，全金属后盖的短边与全金属后盖的主体之间具有U型缝隙，第一开口和第二开口分别设置在全金属后盖的短边上，从U型缝隙末端延伸至第一开口的全金属后盖为第一辐射体，第一开口和第二开口之间的全金属后盖为短边的连接部，连接部上靠近第二开口的一端与全属后盖的主体连接；馈源的一端、第一开关器件的第一端、第二开关器件的第一端均与连接部连接，馈源的另一端、第一开关器件的第二端、第二开关器件的第二端接地，馈源靠近第一开口，第一开关器件设置在馈源和第二开关器件之间；当第一开关器件导通，第二开关器件断开时，天线工作于中高频的天线谐振模态。这样，与相关技术相比，第一开口和第二开口可以分别设置在全金属后盖的短边上，同时增加了一辐射体(即第一辐射体)，并实现了中高频的天线谐振模态，有效提高了U型缝隙外观下的天线性能，便于满足消费者的性能使用需求。
对于移动终端实施例而言，由于其包括天线，所以描述的比较简单，相关之处参见天线实施例的部分说明即可。
本说明书中的各个实施例均采用递进的方式描述，每个实施例重点说明的都是与其他实施例的不同之处，各个实施例之间相同相似的部分互相参见即可。
本领域内的技术人员应明白，本公开实施例的实施例可提供为方法、装置、或计算机程序产品。因此，本公开实施例可采用完全硬件实施例、完全 软件实施例、或结合软件和硬件方面的实施例的形式。而且，本公开实施例可采用在一个或多个其中包含有计算机可用程序代码的计算机可用存储介质(包括但不限于磁盘存储器、CD-ROM、光学存储器等)上实施的计算机程序产品的形式。
本公开实施例是参照根据本公开实施例的方法、终端设备(系统)、和计算机程序产品的流程图和/或方框图来描述的。应理解可由计算机程序指令实现流程图和/或方框图中的每一流程和/或方框、以及流程图和/或方框图中的流程和/或方框的结合。可提供这些计算机程序指令到通用计算机、专用计算机、嵌入式处理机或其他可编程数据处理终端设备的处理器以产生一个机器，使得通过计算机或其他可编程数据处理终端设备的处理器执行的指令产生用于实现在流程图一个流程或多个流程和/或方框图一个方框或多个方框中指定的功能的装置。
这些计算机程序指令也可存储在能引导计算机或其他可编程数据处理终端设备以特定方式工作的计算机可读存储器中，使得存储在该计算机可读存储器中的指令产生包括指令装置的制造品，该指令装置实现在流程图一个流程或多个流程和/或方框图一个方框或多个方框中指定的功能。
这些计算机程序指令也可装载到计算机或其他可编程数据处理终端设备上，使得在计算机或其他可编程终端设备上执行一系列操作步骤以产生计算机实现的处理，从而在计算机或其他可编程终端设备上执行的指令提供用于实现在流程图一个流程或多个流程和/或方框图一个方框或多个方框中指定的功能的步骤。
尽管已描述了本公开实施例的优选实施例，但本领域内的技术人员一旦得知了基本创造性概念，则可对这些实施例做出另外的变更和修改。所以，所附权利要求意欲解释为包括优选实施例以及落入本公开实施例范围的所有变更和修改。
最后，还需要说明的是，在本文中，诸如第一和第二等之类的关系术语仅仅用来将一个实体或者操作与另一个实体或操作区分开来，而不一定要求 或者暗示这些实体或操作之间存在任何这种实际的关系或者顺序。而且，术语“包括”、“包含”或者其任何其他变体意在涵盖非排他性的包含，从而使得包括一系列要素的过程、方法、物品或者终端设备不仅包括那些要素，而且还包括没有明确列出的其他要素，或者是还包括为这种过程、方法、物品或者终端设备所固有的要素。在没有更多限制的情况下，由语句“包括一个……”限定的要素，并不排除在包括所述要素的过程、方法、物品或者终端设备中还存在另外的相同要素。
以上对本公开所提供的一种天线和一种移动终端，进行了详细介绍，本文中应用了具体个例对本公开的原理及实施方式进行了阐述，以上实施例的说明只是用于帮助理解本公开的方法及其核心思想；同时，对于本领域的一般技术人员，依据本公开的思想，在具体实施方式及应用范围上均会有改变之处，综上所述，本说明书内容不应理解为对本公开的限制。

Claims (10)

  1. 一种天线，包括全金属后盖，所述全金属后盖的短边与所述全金属后盖的主体之间具有U型缝隙，所述天线还包括：
    第一开口和第二开口，所述第一开口和所述第二开口分别设置在所述全金属后盖的短边上，从所述U型缝隙末端延伸至所述第一开口的全金属后盖为第一辐射体，所述第一开口和所述第二开口之间的全金属后盖为所述短边的连接部，所述连接部上靠近所述第二开口的一端与所述全金属后盖的主体连接；
    馈源、第一开关器件和第二开关器件，所述馈源的一端、所述第一开关器件的第一端、所述第二开关器件的第一端均与所述连接部连接，所述馈源的另一端、所述第一开关器件的第二端、所述第二开关器件的第二端接地，所述馈源靠近所述第一开口，所述第一开关器件设置在所述馈源和所述第二开关器件之间；
    当所述第一开关器件导通，所述第二开关器件断开时，所述天线工作于中高频谐振模态。
  2. 根据权利要求1所述的天线，其中，所述馈源的另一端、所述第一开关器件的第二端、所述第二开关器件的第二端所接的地包括PCB上的地、所述全金属后盖的主体上的地或显示屏金属支架上的地。
  3. 根据权利要求1所述的天线，其中，所述连接部上靠近所述第二开口的一端与所述全金属后盖的主体通过铝合金直接连接或通过PCB的线路连接。
  4. 根据权利要求1所述的天线，其中，所述馈源与所述连接部在第一位置连接，所述第一位置与所述第一开口之间的距离小于或等于5mm。
  5. 根据权利要求1所述的天线，其中，所述第一开关器件与所述连接部在第二位置连接，所述第二位置与所述第一开口之间的距离范围为15mm-20mm。
  6. 根据权利要求1所述的天线，其中，所述第二开关器件与所述连接部在第三位置连接，所述第三位置与所述第一开口之间的距离范围为25mm-35mm。
  7. 根据权利要求1所述的天线，其中，所述第一辐射体的长度范围为15mm-20mm。
  8. 根据权利要求1所述的天线，其中，所述第一开口和所述第二开口相对所述全金属后盖的短边中心对称设置。
  9. 根据权利要求1所述的天线，其中，所述第一开关器件、所述第二开关器件包括单刀多掷开关。
  10. 一种移动终端，包括权利要求1-9中任一项所述的天线。
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