WO2018076928A1 - 一种适用于三段式金属后盖的可重构天线装置 - Google Patents

一种适用于三段式金属后盖的可重构天线装置 Download PDF

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Publication number
WO2018076928A1
WO2018076928A1 PCT/CN2017/100265 CN2017100265W WO2018076928A1 WO 2018076928 A1 WO2018076928 A1 WO 2018076928A1 CN 2017100265 W CN2017100265 W CN 2017100265W WO 2018076928 A1 WO2018076928 A1 WO 2018076928A1
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Prior art keywords
switch module
antenna
antenna device
metal
metal body
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PCT/CN2017/100265
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English (en)
French (fr)
Inventor
胡伟
田朝玉
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JRD Communication Shenzhen Ltd
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JRD Communication Shenzhen Ltd
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Priority to US16/344,775 priority Critical patent/US10903549B2/en
Publication of WO2018076928A1 publication Critical patent/WO2018076928A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/12—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
    • H01Q1/243—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 with built-in antennas
    • 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
    • H01Q1/48—Earthing means; Earth screens; Counterpoises
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/50—Structural association of antennas with earthing switches, lead-in devices or lightning protectors
    • 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
    • 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
    • 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
    • H01Q5/335—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 at the feed, e.g. for impedance matching

Definitions

  • the invention relates to the field of antennas, in particular to a reconfigurable antenna device suitable for a three-section metal back cover.
  • the metal body design has advantages such as good gloss, outstanding texture and excellent structural stability compared with the traditional plastic body; however, the good conductor performance of the metal material can cause fatal interference to the mobile phone antenna, in order to solve the signal problem, A three-section metal body design has emerged.
  • the three-section metal integrated fuselage on the market is basically divided into two types.
  • the first one is an all-metal fuselage.
  • the metal is divided into three sections, and a “kelp strip” is left between the three parts for nano-injection or Plastic filling; another three-stage type, that is, plastic material such as polycarbonate is used on the upper and lower ends, and the middle part is made of metal.
  • the antenna design of most three-section metal fuselage basically adopts the traditional antenna design such as IFA, LOOP, Monopole, etc., which has technical problems of high structural design requirements and difficult debugging.
  • the invention provides a reconfigurable antenna device suitable for a three-section metal back cover, so as to solve the technical problem that the three-section metal body adopts the traditional antenna design in the prior art, which has high structural design requirements and difficult debugging.
  • the present invention adopts a technical solution to provide a reconfigurable antenna device suitable for a three-segment metal back cover, the antenna device comprising: an antenna radiation body, a first matching module, and a second a matching module, a switch module, and a feed end; wherein
  • the antenna radiation body is disposed in parallel above the first metal body and the second metal body of the metal back cover, and the antenna radiation body is grounded through the first matching module, and the antenna radiation body is further configured
  • the second matching module is connected, and the second matching module is respectively connected to the feeding end and the switch module, and the multi-band reconfigurable antenna can be realized by adjusting the switch module.
  • the first metal body and the second metal body of the metal back cover A small portion is connected by a conductive material, and the conductive material serves as a ground terminal.
  • the conductive material is a PCB, an FPC or a metal.
  • a groove is provided at a junction of the first metal body and the second metal body of the metal back cover, and the switch module is disposed on a main board PCB, and the main board PCB is respectively The first metal body and the second metal body are connected, and the switch module is disposed in parallel above the trench.
  • the position of the switch module is movable away from the antenna radiating body, and after the antenna device adjusts the initial resonant frequency, the switch The position of the module is fixed.
  • the trench is provided as a dielectric made of a non-conductive material.
  • the width of the trench ranges from 1.5 to 3 mm.
  • the radiation length of the antenna device when the switch module is in an off state, is a first length, and the first length is a distance from the ground end to a frame of the metal back cover,
  • the radiation length of the antenna device when the switch module is in an active state, is a second length, and the second length is a distance from the ground end to the switch module.
  • the first metal body and the second metal body are disposed on the same plane.
  • the distance between the antenna radiating body and the first metal body and the second metal body of the metal back cover is in a range of 0.5 to 2 mm.
  • the antenna device provided by the present invention can realize multi-band reconfigurable antenna design by adjusting the position of the switch module by providing a switch module, and the structure of the antenna device
  • the design is novel, the operation is convenient, and the frequency band debugging of the antenna is simple.
  • FIG. 1 is a schematic structural view of an embodiment of a reconfigurable antenna device suitable for a three-segment metal back cover provided by the present invention.
  • FIG. 1 is a schematic structural view of an embodiment of a reconfigurable antenna device suitable for a three-section metal back cover according to the present invention.
  • the antenna device 100 includes an antenna radiation body 110 , a first matching module 120 , a second matching module 130 , a switch module 140 , and a feed end 150 .
  • the metal back cover 10 in this embodiment includes three segments of metal.
  • the antenna device 100 of the present invention relates only to the first metal body 11 and the second metal body 12 of the metal back cover 10, wherein the third metal body does not involve the present invention.
  • the technical points of the invention are not described in detail herein.
  • the antenna radiating body 110 is disposed in parallel with the first metal body 11 and the second metal body 12 of the metal back cover 10, and the antenna radiating body 110 is grounded through the first matching module 120, wherein the first matching module 120 can be The grounding end of the main board PCB (not shown) may be connected to the first metal body 11 to be grounded.
  • the antenna radiating body 110 is further connected to the second matching module 130, and the second matching module 130 is connected to the switch module 140 and the feeding end 150 respectively.
  • the second matching module 130 is connected to the switch module 140 through the main board PCB (not shown).
  • the electrical connection can realize a multi-band reconfigurable antenna through the regulation switch module 140.
  • the multi-band reconfigurable antenna design can be realized by adjusting the position of the switch module 140.
  • the antenna device 100 has novel structure design, convenient operation, and frequency band debugging of the antenna. The work is simple.
  • the antenna radiating body 110 is disposed in parallel above the first metal body 11 and the second metal body 12 of the metal back cover 10. Specifically, the first metal body 11 and the second metal body 12 of the metal back cover 10 are disposed in the same The plane of the antenna radiating body 110 is equal to the parallel spacing of the first metal body 11 and the second metal body 12, wherein the antenna radiates the body 110 and the first metal body 11 and the second metal body 12 of the metal back cover 10.
  • the parallel spacing distance is in the range of 0.5 to 2 mm; further, the distance between the antenna radiating body 110 and the first metal body 11 and the second metal body 12 of the metal back cover 10 is in the range of 0.8 to 1.2 mm; further, the antenna radiation
  • the distance between the main body 110 and the first metal body 11 and the second metal body 12 of the metal back cover 10 is 1 mm. Therefore, the antenna radiates the main body 110 and the first metal body 11 and the second metal body 12 of the metal back cover 10.
  • the support can support the antenna radiating body 110, or other electronic components can be placed, and the electronic components do not affect the normal operation of the antenna device 100, thereby increasing the space utilization of the mobile terminal.
  • the conductive material 13 may be a PCB, an FPC, or a metal material.
  • the conductive material 13 is generally located inside the mobile terminal, and the mobile terminal is still a three-stage metal body when viewed from the outside.
  • the connection between the first metal body 11 and the second metal body 12 of the metal back cover 10 is provided with a trench 14 .
  • the switch module 140 is disposed on the main board PCB, and the switch module 140 is electrically connected to the second matching module 130 through the main board PCB.
  • the main board PCB is respectively connected to the first metal body 11 and the second metal body 12, and the switch module 140 is disposed in parallel above the trench 14, and the switch module 140 can also be in direct contact with the trench 14.
  • the trench 14 may be filled with a dielectric made of a non-conductive material, such as a nano-injection material, a polycarbonate plastic material, etc., wherein the width of the trench ranges from 1.5 to 3 mm; further, the width of the trench ranges from 1.8 to 2.5. Further, the width of the trench is 2 mm, wherein the wider the width of the trench, the higher the efficiency of the antenna.
  • a dielectric made of a non-conductive material, such as a nano-injection material, a polycarbonate plastic material, etc.
  • the switch module 140 is disposed away from the antenna radiating body 110, and when the antenna device 100 of the present invention adjusts the initial resonant frequency, the position of the switch module 140 is movable, and during the tuning process, the position of the switch module 140 can be adjusted to make the antenna
  • the device 100 obtains a resonant frequency that meets predetermined requirements.
  • the position of the switch module 140 can be set to be fixed.
  • the radiation length of the antenna device 100 is the first length L1
  • the first length L1 is the distance from the ground end 13 to the frame of the metal back cover 10.
  • the antenna The radiation length of the device 100 is the second length L2, and the second length L2 is connected. The distance from the ground end 13 to the switch module 140.
  • the antenna device 100 when the switch module 140 is in the off state, the antenna device 100 can be regarded as an edge-opening Slot antenna whose basic resonant frequency operates at about a quarter wavelength, determined by the first length L1, first, through Adjusting the first matching module 120, the impedance matching of the low frequency can be adjusted, and a low frequency resonance of 700-960 M occurs, and on the basis of this, resonance can occur between 2300 and 2700 M through three times of frequency multiplication; then, by adjusting the second The module 130 is matched to adjust or switch to each of the required frequency bands.
  • the edge of the antenna device 100 is short-circuited, and its basic resonant frequency operates at about one-half wavelength, which is determined by the second length L2, wherein the switch module 140 is adjusted when the initial resonant frequency is first adjusted.
  • the position is movable, after the initial resonant frequency is adjusted, the position of the switch module 140 is fixed, and the resonance between the intermediate frequencies 1710-2170M can be generated; and the resonance is adjusted to the required frequency band by the second matching module 130. Therefore, the antenna device 100 can operate in three frequency bands of 700-960M, 1710-2170M, and 2300-2700M.
  • the antenna device provided by the present invention can realize multi-band reconfigurable antenna design by adjusting the position of the switch module by providing a switch module, and the antenna device has novel structure design. The operation is convenient, and the frequency band debugging of the antenna is simple.
  • the antenna device of the present invention is disposed on the metal back cover with a certain space therebetween, the corresponding portable mobile terminal can be provided with components therein, which facilitates the placement of internal components of the mobile terminal. It is also conducive to the miniaturization of mobile terminals.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Support Of Aerials (AREA)

Abstract

本发明提供一种适用于三段式金属后盖的可重构天线装置，该天线装置包括天线辐射主体、第一匹配模块、第二匹配模块、开关模块以及馈入端；其中，天线辐射主体平行设置于金属后盖的第一金属体、第二金属体的上方，天线辐射主体通过第一匹配模块后接地，天线辐射主体进一步与第二匹配模块连接，第二匹配模块分别与馈入端、开关模块连接，通过调控开关模块可实现多频段的可重构天线。本发明提供的天线装置由于设有开关模块，通过调节开关模块的位置，可以实现多频段的可重构天线设计，该天线装置的结构设计新颖、操作方便，且天线的频段调试工作简单。

Description

一种适用于三段式金属后盖的可重构天线装置 技术领域
本发明涉及天线领域，具体是指一种适用于三段式金属后盖的可重构天线装置。
背景技术
目前，金属机身设计相比于传统的塑料机身，拥有光泽好、质感突出以及结构稳定性优良等优势；但是金属材质的良好导体性能对于手机天线会造成致命的干扰，为了解决信号问题，三段式金属机身设计出现了。
市面上的三段式金属一体化机身基本分为两种，第一种为全金属机身，将一块金属分成三段，在三个部分之间留出一个“海带条”进行纳米注塑或者塑料填充；另一种三段式即上下两端采用聚碳酸脂等塑料材质，中间部分才是金属材质。但大多数的三段式金属机身的天线设计基本采用IFA，LOOP，Monopole等传统天线设计，其存在结构设计要求高，调试困难的技术问题。
发明内容
本发明提供一种适用于三段式金属后盖的可重构天线装置，以解决现有技术中三段式金属机身采用传统天线设计，存在结构设计要求高，调试困难的技术问题。
为解决上述技术问题，本发明采用的一个技术方案是：提供一种适用于三段式金属后盖的可重构天线装置，所述天线装置包括：天线辐射主体、第一匹配模块、第二匹配模块、开关模块以及馈入端；其中，
所述天线辐射主体平行设置于所述金属后盖的第一金属体、第二金属体的上方，所述天线辐射主体通过所述第一匹配模块后接地，所述天线辐射主体进一步与所述第二匹配模块连接，所述第二匹配模块分别与所述馈入端、所述开关模块连接，通过调控所述开关模块可实现多频段的可重构天线。
根据本发明一实施例，所述金属后盖的所述第一金属体、第二金属体的至 少一部分通过导电材料连接，且所述导电材料作为接地端。
根据本发明一实施例，所述导电材料为PCB、FPC或金属。
根据本发明一实施例，所述金属后盖的所述第一金属体、第二金属体的连接处设有沟槽，所述开关模块设置在主板PCB上，所述主板PCB分别与所述第一金属体、第二金属体连接，所述开关模块平行设置于所述沟槽的上方。
根据本发明一实施例，所述天线装置在调整初始谐振频率时，所述开关模块的位置可移，且远离所述天线辐射主体设置，所述天线装置调整初始谐振频率完成后，所述开关模块的位置固定不变。
根据本发明一实施例，所述沟槽设置为非导电材料制成的电介质。
根据本发明一实施例，所述沟槽的宽度范围为1.5～3mm。
根据本发明一实施例，所述开关模块处于断开状态时，所述天线装置的辐射长度为第一长度，所述第一长度为所述接地端至所述金属后盖的边框的距离，所述开关模块处于工作状态时，所述天线装置的辐射长度为第二长度，所述第二长度为所述接地端至所述开关模块的距离。
根据本发明一实施例，所述第一金属体和所述第二金属体设置在同一平面。
根据本发明一实施例，所述天线辐射主体与所述金属后盖的所述第一金属体、第二金属体的平行间距距离范围为0.5～2mm。
本发明的有益效果是：区别于现有技术的情况，本发明提供的天线装置由于设有开关模块，通过调节开关模块的位置，可以实现多频段的可重构天线设计，该天线装置的结构设计新颖、操作方便，且天线的频段调试工作简单。
附图说明
为了更清楚地说明本发明实施例中的技术方案，下面将对实施例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的前提下， 还可以根据这些附图获得其他的附图，其中：
图1是本发明提供的适用于三段式金属后盖的可重构天线装置一实施例的结构示意图。
具体实施方式
下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅是本发明的一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。
请参阅图1，图1是本发明提供的适用于三段式金属后盖的可重构天线装置一实施例的结构示意图。
如图1所示，该天线装置100包括天线辐射主体110、第一匹配模块120、第二匹配模块130、开关模块140以及馈入端150。
本实施例中的金属后盖10包括三段金属，其中，本发明的天线装置100只涉及金属后盖10的第一金属体11和第二金属体12，其中，第三金属体不涉及本发明的技术要点，在此不作详述。
具体的，天线辐射主体110平行设置于金属后盖10的第一金属体11、第二金属体12的上方，天线辐射主体110通过第一匹配模块120后接地，其中，第一匹配模块120可以接主板PCB(图未示)的接地端，第一匹配模块120也可以是直接连接第一金属体11从而接地。天线辐射主体110进一步与第二匹配模块130连接，第二匹配模块130分别与开关模块140、馈入端150连接，其中，第二匹配模块130通过主板PCB(图未示)与开关模块140进行电连接，通过调控开关模块140可实现多频段的可重构天线。
本发明提供的天线装置100由于设有开关模块140，通过调节开关模块140的位置，可以实现多频段的可重构天线设计，该天线装置100的结构设计新颖、操作方便，且天线的频段调试工作简单。
天线辐射主体110平行设置于金属后盖10的第一金属体11、第二金属体12的上方，具体的，金属后盖10的第一金属体11和第二金属体12设置在同 一平面上，即天线辐射主体110与第一金属体11、第二金属体12的平行间距相等，其中，天线辐射主体110与金属后盖10的第一金属体11、第二金属体12的平行间距距离范围为0.5～2mm；进一步的，天线辐射主体110与金属后盖10的第一金属体11、第二金属体12的平行间距距离范围为0.8～1.2mm；更进一步的，天线辐射主体110与金属后盖10的第一金属体11、第二金属体12的平行间距距离为1mm，因此，天线辐射主体110与金属后盖10的第一金属体11、第二金属体12之间存在空隙，空隙可以放置支撑天线辐射主体110的支撑体，也可以放置其他电子元器件，其电子元器件不影响该天线装置100的正常运作，从而增加移动终端的空间利用率。
金属后盖10的第一金属体11、第二金属体12的至少一部分通过导电材料13连接，且导电材料13作为接地端。其中，导电材料13可以是PCB，也可以是FPC，亦或者是金属材料。本实施例中，导电材料13一般位于移动终端的内部，从外部看，移动终端仍然是三段式的金属机身。
金属后盖10的第一金属体11、第二金属体12的连接处设有沟槽14，开关模块140设置在主板PCB上，开关模块140通过主板PCB与第二匹配模块130进行电连接，主板PCB分别与第一金属体11、第二金属体12连接，开关模块140平行设置于沟槽14的上方，开关模块140也可以与沟槽14直接接触。
沟槽14内可填充非导电材料制成的电介质，如纳米注塑材料、聚碳酸脂塑料材料等，其中，沟槽的宽度范围为1.5～3mm；进一步的，沟槽的宽度范围为1.8～2.5mm；更进一步的，沟槽的宽度为2mm，其中，沟槽的宽度越宽，天线的效率越高。
开关模块140远离天线辐射主体110设置，且本发明的天线装置100在调整初始谐振频率时，开关模块140的位置是可移，则在调谐过程中，可以通过调整开关模块140的位置从而使天线装置100获得符合预定要求的谐振频率。而当天线装置100调整初始谐振频率完成后，可将开关模块140的位置设置成固定不变。
其中，开关模块140处于断开状态时，天线装置100的辐射长度为第一长度L1，第一长度L1为接地端13至金属后盖10的边框的距离，开关模块140处于工作状态时，天线装置100的辐射长度为第二长度L2，第二长度L2为接 地端13至开关模块140的距离。
实际应用中，当开关模块140处于断开状态时，天线装置100可以看成是边缘开口的Slot天线，其基本谐振频率工作在四分之一波长左右，由第一长度L1决定，首先，通过调整第一匹配模块120，可以调整低频的阻抗适配情况，出现700-960M的低频谐振，在此基础上，同时通过三次倍频可以在2300-2700M之间出现谐振；然后，通过调整第二匹配模块130，从而调整或者切换到所需要的各个频段。
当开关模块140处于工作状态时，天线装置100的边缘开口处短路，其基本谐振频率工作在二分之一波长左右，由第二长度L2决定，其中，初次调整初始谐振频率时，开关模块140的位置是可移动，调整初始谐振频率完成后，开关模块140的位置固定不变，并且可以产生中频1710-2170M之间的谐振；再通过第二匹配模块130，将谐振调整到所需的频段，从而使得本天线装置100能够工作在700-960M，1710-2170M，2300-2700M三个频段。
综上所述，本领域技术人员容易理解，本发明提供的天线装置由于设有开关模块，通过调节开关模块的位置，可以实现多频段的可重构天线设计，该天线装置的结构设计新颖、操作方便，且天线的频段调试工作简单。此外，由于本发明的天线装置是设置在金属后盖之上，其之间存在一定的空间，因此，对应的便携式移动终端可以在其内设置元件，其有利于移动终端内部元器件的摆放，也有利于移动终端的小型化设计。
以上所述仅为本发明的实施例，并非因此限制本发明的专利范围，凡是利用本发明说明书及附图内容所作的等效结构或等效流程变换，或直接或间接运用在其他相关的技术领域，均同理包括在本发明的专利保护范围内。

Claims (19)

  1. 一种适用于三段式金属后盖的可重构天线装置，其中，
    所述天线装置包括：天线辐射主体、第一匹配模块、第二匹配模块、开关模块以及馈入端；其中，
    所述天线辐射主体平行设置于所述金属后盖的第一金属体、第二金属体的上方，所述天线辐射主体通过所述第一匹配模块后接地，所述天线辐射主体进一步与所述第二匹配模块连接，所述第二匹配模块分别与所述馈入端、所述开关模块连接，通过调控所述开关模块可实现多频段的可重构天线；
    所述金属后盖的所述第一金属体、第二金属体的至少一部分通过导电材料连接，且所述导电材料作为接地端；
    所述第一金属体和所述第二金属体设置在同一平面。
  2. 根据权利要求1所述的天线装置，其中，所述导电材料为PCB、FPC或金属。
  3. 根据权利要求2所述的天线装置，其中，所述金属后盖的所述第一金属体、第二金属体的连接处设有沟槽，所述开关模块设置在主板PCB上，所述主板PCB分别与所述第一金属体、第二金属体连接，所述开关模块平行设置于所述沟槽的上方。
  4. 根据权利要求3所述的天线装置，其中，所述天线装置在调整初始谐振频率时，所述开关模块的位置可移，且远离所述天线辐射主体设置，所述天线装置调整初始谐振频率完成后，所述开关模块的位置固定不变。
  5. 根据权利要求3所述的天线装置，其中，所述沟槽设置为非导电材料制成的电介质。
  6. 根据权利要求3所述的天线装置，其中，所述沟槽的宽度范围为1.5～3mm。
  7. 根据权利要求3所述的天线装置，其中，所述开关模块处于断开状态时， 所述天线装置的辐射长度为第一长度，所述第一长度为所述接地端至所述金属后盖的边框的距离，所述开关模块处于工作状态时，所述天线装置的辐射长度为第二长度，所述第二长度为所述接地端至所述开关模块的距离。
  8. 根据权利要求1所述的天线装置，其中，所述天线辐射主体与所述金属后盖的所述第一金属体、第二金属体的平行间距距离范围为0.5～2mm。
  9. 一种适用于三段式金属后盖的可重构天线装置，其中，
    所述天线装置包括：天线辐射主体、第一匹配模块、第二匹配模块、开关模块以及馈入端；其中，
    所述天线辐射主体平行设置于所述金属后盖的第一金属体、第二金属体的上方，所述天线辐射主体通过所述第一匹配模块后接地，所述天线辐射主体进一步与所述第二匹配模块连接，所述第二匹配模块分别与所述馈入端、所述开关模块连接，通过调控所述开关模块可实现多频段的可重构天线；
    所述金属后盖的所述第一金属体、第二金属体的至少一部分通过导电材料连接，且所述导电材料作为接地端；
    所述导电材料为PCB、FPC或金属；
    所述金属后盖的所述第一金属体、第二金属体的连接处设有沟槽，所述开关模块设置在主板PCB上，所述主板PCB分别与所述第一金属体、第二金属体连接，所述开关模块平行设置于所述沟槽的上方；
    所述天线装置在调整初始谐振频率时，所述开关模块的位置可移，且远离所述天线辐射主体设置，所述天线装置调整初始谐振频率完成后，所述开关模块的位置固定不变；
    所述沟槽设置为非导电材料制成的电介质；
    所述沟槽的宽度范围为1.5～3mm；
    所述开关模块处于断开状态时，所述天线装置的辐射长度为第一长度，所述第一长度为所述接地端至所述金属后盖的边框的距离，所述开关模块处于工 作状态时，所述天线装置的辐射长度为第二长度，所述第二长度为所述接地端至所述开关模块的距离。
  10. 一种适用于三段式金属后盖的可重构天线装置，其中，
    所述天线装置包括：天线辐射主体、第一匹配模块、第二匹配模块、开关模块以及馈入端；其中，
    所述天线辐射主体平行设置于所述金属后盖的第一金属体、第二金属体的上方，所述天线辐射主体通过所述第一匹配模块后接地，所述天线辐射主体进一步与所述第二匹配模块连接，所述第二匹配模块分别与所述馈入端、所述开关模块连接，通过调控所述开关模块可实现多频段的可重构天线。
  11. 根据权利要求10所述的天线装置，其中，所述金属后盖的所述第一金属体、第二金属体的至少一部分通过导电材料连接，且所述导电材料作为接地端。
  12. 根据权利要求11所述的天线装置，其中，所述导电材料为PCB、FPC或金属。
  13. 根据权利要求12所述的天线装置，其中，所述金属后盖的所述第一金属体、第二金属体的连接处设有沟槽，所述开关模块设置在主板PCB上，所述主板PCB分别与所述第一金属体、第二金属体连接，所述开关模块平行设置于所述沟槽的上方。
  14. 根据权利要求13所述的天线装置，其中，所述天线装置在调整初始谐振频率时，所述开关模块的位置可移，且远离所述天线辐射主体设置，所述天线装置调整初始谐振频率完成后，所述开关模块的位置固定不变。
  15. 根据权利要求13所述的天线装置，其中，所述沟槽设置为非导电材料制成的电介质。
  16. 根据权利要求13所述的天线装置，其中，所述沟槽的宽度范围为1.5～3mm。
  17. 根据权利要求13所述的天线装置，其中，所述开关模块处于断开状态 时，所述天线装置的辐射长度为第一长度，所述第一长度为所述接地端至所述金属后盖的边框的距离，所述开关模块处于工作状态时，所述天线装置的辐射长度为第二长度，所述第二长度为所述接地端至所述开关模块的距离。
  18. 根据权利要求10所述的装置，其中，所述第一金属体和所述第二金属体设置在同一平面。
  19. 根据权利要求18所述的天线装置，其中，所述天线辐射主体与所述金属后盖的所述第一金属体、第二金属体的平行间距距离范围为0.5～2mm。
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