WO2020038025A1 - 天线模组及移动终端 - Google Patents

天线模组及移动终端 Download PDF

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Publication number
WO2020038025A1
WO2020038025A1 PCT/CN2019/087458 CN2019087458W WO2020038025A1 WO 2020038025 A1 WO2020038025 A1 WO 2020038025A1 CN 2019087458 W CN2019087458 W CN 2019087458W WO 2020038025 A1 WO2020038025 A1 WO 2020038025A1
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WO
WIPO (PCT)
Prior art keywords
antenna
frame
antenna module
main frame
trace
Prior art date
Application number
PCT/CN2019/087458
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English (en)
French (fr)
Inventor
邱孝钧
朱博
Original Assignee
瑞声声学科技(深圳)有限公司
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Publication of WO2020038025A1 publication Critical patent/WO2020038025A1/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
    • H01Q1/12—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
    • 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
    • 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
    • H01Q1/24—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
    • H01Q1/36—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
    • H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
    • H01Q1/38—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith formed by a conductive layer on an insulating support
    • 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
    • H01Q1/48—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
    • H01Q21/00—Antenna arrays or systems
    • H01Q21/0006—Particular feeding systems
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q21/00—Antenna arrays or systems
    • H01Q21/28—Combinations of substantially independent non-interacting antenna units or systems
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q21/00—Antenna arrays or systems
    • H01Q21/30—Combinations of separate antenna units operating in different wavebands and connected to a common feeder system
    • 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
    • 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
    • H01Q7/00—Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop

Definitions

  • the present invention relates to the field of communication technologies, and in particular, to an antenna module and a mobile terminal.
  • the fifth generation of mobile communications is coming, and the 5G time of the three major operators in China has also been determined.
  • the Sub-6G frequency bands of 3.3-3.6GHz and 4.8-5GHz in the 5G issued by the Ministry of Industry and Information Technology of China will be included in the antenna frequency band of mobile phones.
  • the design of mobile phone MIMO antennas will definitely need to cover these frequency bands.
  • the hardware layout of multi-carrier aggregation must be considered. How should the antenna be designed to support the use of multi-carrier aggregation (CA) and bandwidth It is a difficult point in design.
  • CA multi-carrier aggregation
  • the low-frequency band of mobile phone antennas is 698-960MHz.
  • the 5G era needs to be changed to 617MHz-960MHz.
  • the mid-to-high frequency band needs to be added to the Sub 6G frequency band.
  • CA multi-carrier aggregation
  • An object of the present invention is to overcome the above technical problems and provide an antenna module and a mobile terminal capable of supporting more carrier aggregation combinations.
  • the present invention provides an antenna module including a first antenna and a second antenna.
  • the first antenna includes a tuning switch and a tunable capacitor, and is controlled by the tuning switch and the tunable capacitor to form multiple antennas.
  • Working states by switching the multiple working states, the first antenna supports LTE low-frequency 698-960MHz and LTE mid-high-frequency 1710-2690MHz, and supports multi-carrier aggregation in the frequency band; in each of the working states,
  • the first antenna also works in the 5G frequency bands 3300-3800MHz and 4800-5000MHz
  • the second antenna works in the 5G frequency bands 3300-3800MHz and 4800-5000MHz and the new TDD-LTE frequency band 5150-5925MHz, and works with the first
  • the antennas together form 2 * 2MIMO in the 5G frequency bands 3300-3800MHz and 4800-5000MHz.
  • the antenna module is applied to a mobile terminal, and the mobile terminal includes a metal frame, a main board housed in the metal frame, and a plastic bracket covering the main board;
  • the metal frame includes two middle frames disposed opposite to each other and a bottom frame connecting the two middle frames.
  • the bottom frame is provided with a first slit and a second slit.
  • the first slit and the second slit A second seam divides the bottom frame into a middle frame and a left frame and a right frame on both sides of the main frame;
  • the antenna module includes a first feeding point, a second feeding point, a first ground point, a second ground point, the adjustable capacitor and the tuning switch provided on the main board, and the antenna module provided on the main board.
  • the first radiating part includes a main frame, a first antenna trace, and a second antenna trace.
  • One end of the first antenna trace is connected to the first feeding point, and the other end is connected to the main frame.
  • the frame is connected to the first ground point through the tuning switch, one end of the second antenna trace is connected to the main frame, and the other end is connected to the second ground point through the adjustable capacitor to form a first An antenna
  • the second radiating portion is a right frame, the second radiating portion is grounded through the middle frame connected thereto, and the second feeding point is connected to the second radiating portion to form a second antenna.
  • the first antenna trace is connected at a first position of the main frame
  • the second feeding point is connected at a second position of the right frame
  • the first position and the first position Both positions are arranged adjacent to the second fracture seam.
  • the first ground point is connected to a third position of the main frame
  • the second antenna cable is connected to a fourth position of the main frame
  • the mobile terminal further includes a USB module
  • the third position and the fourth position are separated on both sides of the USB module, and the third position is located between the USB module and the first position.
  • the tuning switch is provided with a first inductance access state, a second inductance access state, a third inductance access state, and an open state.
  • the first radiating part It is electrically connected to the first ground point or electrically isolated from the first ground point through one of a first inductance, a second inductance, and a third inductance.
  • the first feeding point and the second ground point are disposed on a surface of the circuit board facing the plastic bracket, and the antenna module further includes a surface of the circuit board facing the plastic bracket.
  • the antenna module further includes a third elastic sheet and a fourth elastic sheet abutting the main frame, and a fifth elastic sheet abutting the right frame, and the main frame is connected with the third elastic sheet through the third elastic sheet
  • the first antenna wire is connected, the main frame is connected to the second antenna wire through the fourth elastic sheet, and the right frame is connected to the second feeding point through the fifth elastic sheet.
  • the first ground point and the second feeding point are disposed on a surface of the circuit board away from the plastic bracket.
  • the first antenna trace and the second antenna trace are lasered on a surface of the plastic bracket away from the motherboard through an LDS process.
  • the present invention also provides a mobile terminal including the antenna module described above.
  • the first antenna of the antenna module includes a tuning switch and an adjustable capacitor, and is controlled by the tuning switch and the adjustable capacitor to form multiple working states.
  • the first antenna supports LTE low frequency 698-960MHz and LTE mid-high frequency 1710-2690MHz, and supports multi-carrier aggregation in the frequency band; in each of the working states, the first antenna also works in the 5G frequency band 3300 -3800MHz and 4800-5000MHz, the second antenna works in the 5G frequency bands 3300-3800MHz and 4800-5000MHz and the new TDD-LTE frequency band 5150-5925MHz, and together with the first antenna forms the 5G frequency bands 3300-3800MHz and 4800- 5000MHz 2 * 2MIMO.
  • the antenna module provided by the invention not only realizes multi-carrier aggregation in LTE low frequency, LTE mid-high frequency, but also 2 * 2MIMO in 5G frequency bands n78 and n79, and simultaneously supports TDD-LTE new frequency band B46, which has better communication performance .
  • FIG. 1 is a partially exploded schematic structural view of a preferred embodiment of a mobile terminal provided by the present invention
  • FIG. 2 is a schematic structural diagram of a part of the mobile terminal shown in FIG. 1;
  • FIG. 3 is an enlarged structural diagram of a portion A shown in FIG. 1; FIG.
  • FIG. 4 is a schematic diagram of a circuit connection structure of a specific embodiment of the antenna module of the mobile terminal shown in FIG. 1;
  • FIG. 5 is a graph of a simulation result of return loss of an antenna module of a mobile terminal provided by the present invention.
  • FIG. 6 is a simulation effect curve diagram of a radiation efficiency of an antenna module of a mobile terminal provided by the present invention.
  • an embodiment of the present invention provides a mobile terminal 100.
  • the mobile terminal 100 may be a mobile phone, a tablet computer, a multimedia player, and the like.
  • the following embodiments use a smartphone as an example. Describe.
  • the mobile terminal 100 includes a metal frame 10, a main board 30 accommodated in the metal frame 10, a plastic bracket 50 covering the main board 30, a USB module 60 provided on the main board 30, and an antenna module. group.
  • the plastic bracket 50 is disposed near the bottom of the mobile terminal 100.
  • the metal frame 10 includes two middle frames 11 opposite to each other, and a bottom frame 13 and a top frame 15 which are respectively disposed at two ends of the middle frame 11 and connected to the middle frame 11 respectively.
  • the top frame 15, one of the middle frame 11, the bottom frame 13 and the other middle frame 11 are connected in sequence to form the metal frame 10.
  • the bottom frame 13 is provided with a first slit 131 and a second slit 132.
  • the first slit 131 and the second slit 132 separate the bottom frame 13 into a middle frame 133 and A left frame 134 and a right frame 135 are respectively disposed on both sides of the main frame 133.
  • Two ends of the left frame 134 are connected to the first slit 131 and one of the middle frame 11, respectively, and two ends of the right frame 135 are connected to the second slit 132 and the other middle frame 11, respectively.
  • the left bezel 134 and the right bezel 135 are symmetrically disposed with respect to a central axis in the width direction of the mobile terminal.
  • the left bezel 134 and the right bezel 135 may be considered to connect the main bezel 133 and the right bezel.
  • the antenna module includes a first feeding point 70, a second feeding point 71, a first ground point 72, a second ground point 73, a tunable capacitor 74, and a tuning switch ( SW) 75, and a first antenna trace 78 and a second antenna trace 79 provided on a surface of the plastic bracket 50 away from the motherboard 30.
  • the first antenna trace 78 and the second antenna trace 79 are laser-lased on the surface of the plastic bracket 50 away from the main board 30 through the LDS process.
  • the first radiation portion 10a includes a main frame 133, a first antenna trace 78, and a second antenna trace 79.
  • One end of the first antenna trace 78 is connected to the first feeding point 70, and the other end is connected to the first feeding point 70.
  • the main frame 133 is connected, the main frame 133 is connected to the first ground point 72 through the tuning switch 75, one end of the second antenna wiring 79 is connected to the main frame 133, and the other end is connected through the
  • the adjustable capacitor 74 is connected to the second ground point 73 to form a first antenna.
  • the first antenna is an IFA antenna type, and the tunable capacitor 74 is a key component of the first antenna frequency extension. Multiple working states can be formed with different access states of the tuning switch 75 and changes in its own capacitance value.
  • the first antenna can support LTE low-frequency 698-960MHz and LTE mid-high-frequency 1710-2690MHz, and support multi-carrier aggregation in the frequency band; in each of the working states, the first antenna An antenna also works in the 5G bands n78 (3300-3800MHz) and n79 (4800-5000MHz).
  • the right bezel 135 is provided as the second radiating portion 10b of the antenna module, and the right bezel 135 is grounded through the middle bezel 11 connected to the right bezel 135.
  • the middle bezel 11 is connected to the mobile terminal 100 by The metal middle frame is connected and grounded.
  • the second feeding point 71 is connected to the right frame 135 to form a second antenna.
  • the right frame 135 is directly connected to the middle frame 11 to form a "loop antenna" antenna design type.
  • the second antenna supports the 5G frequency bands n78 (3300-3800MHz) and n79 (4800-5000MHz), and also supports TDD- The new LTE band B46 (5150-5925MHz).
  • the second antenna and the first antenna together form a 2 * 2 MIMO in the 5G frequency bands n78 (3300-3800MHz) and n79 (4800-5000MHz).
  • the first antenna trace 78 is connected to a first position 1331 of the main frame 133
  • the second feeding point 71 is connected to a second position 1351 of the right frame 135
  • the first ground point 72 is connected to the third position 1333 of the main frame 133
  • the second antenna cable 79 is connected to the fourth position 1335 of the main frame 133.
  • the first position 1331 and the second position 1351 are respectively disposed on both sides of the second fracture seam 132, and are disposed adjacent to the second fracture seam 132.
  • the third position 1333 and the fourth position 1335 are located on both sides of the USB module 60, and the third position 1333 is located between the USB module 60 and the first position 1331.
  • the first feeding point 70 and the second ground point 73 are disposed on a surface of the circuit board 30 facing the plastic bracket 50, and the first ground point 72 and the second ground point
  • the feeding point 71 is disposed on a surface of the circuit board 30 away from the plastic bracket 50.
  • the antenna module further includes a first elastic piece 101 disposed on the circuit board 30 facing the plastic support surface 50 and connected to the first feeding point 70, and a first elastic piece 101 connected to the adjustable capacitor 74. ⁇ ⁇ 102 ⁇ The second shrapnel 102. Specifically, one end of the first elastic piece 101 is connected to the first feeding point 70 and the other end is connected to the first antenna wiring 78, and one end of the second elastic 102 is connected to the adjustable capacitor 74. The second antenna trace 79 is connected at one end.
  • the antenna module further includes a third elastic piece 105 and a fourth elastic piece 106 that abut the main frame 131 and a fifth elastic piece 107 that abuts the right frame 135.
  • the main frame 133 passes through
  • the third elastic piece 105 is connected to the first antenna line 78
  • the main frame 133 is connected to the second antenna line 79 through the fourth elastic piece 106
  • the right frame 135 is connected to the fifth antenna
  • the elastic piece 107 is connected to the second feeding point 71.
  • the tuning switch 75 is provided with a first inductance access state, a second inductance access state, a third inductance access state, and an open state. Specifically, when the tuning switch 75 is in a first inductance access state, the first radiating part 10a is connected to the first ground point 72 through a first inductance L1; when the tuning switch 75 is in a second inductance In the connected state, the first radiating portion 10a is connected to the first ground point 72 through the second inductor L2; when the tuning switch 75 is in the third inductive connecting state, the first radiating portion 10a passes through The third inductor L3 is connected to the first ground point 72.
  • the tuning switch 75 When the tuning switch 75 is in an open state, the first radiating portion 10a is electrically isolated from the first ground point 72.
  • the values of the first inductor, the second inductor, and the third inductor are 3nH, 4.3nH, and 6.2nH, respectively.
  • the antenna module can cover different frequency bands. For details, see the following table:
  • the second antenna always supports n78 (3300-3380MHz), n79 (4800-5000MHz) and B46 (5150-5925MHz).
  • the area I in FIG. 5 and FIG. 6 is the return loss simulation curve of the first antenna in the above eight states, and the area II is the return loss simulation of the second antenna. Effect graph. It can also be seen from Figures 5 and 6 that when the first antenna is switched between state 1 to state 8, the second antenna always supports n78 (3300-3380MHz), n79 (4800-5000MHz), and B46 (5150-5925MHz). of.
  • the first antenna of the antenna module includes a tuning switch and an adjustable capacitor, and is controlled by the tuning switch and the adjustable capacitor to form multiple working states.
  • the first antenna supports LTE low frequency 698-960MHz and LTE mid-high frequency 1710-2690MHz, and supports multi-carrier aggregation in the frequency band; in each of the working states, the first antenna also works in the 5G frequency band 3300 -3800MHz and 4800-5000MHz, the second antenna works in the 5G frequency bands 3300-3800MHz and 4800-5000MHz and the new TDD-LTE frequency band 5150-5925MHz, and together with the first antenna forms the 5G frequency bands 3300-3800MHz and 4800- 5000MHz 2 * 2MIMO.
  • the antenna module provided by the invention not only realizes multi-carrier aggregation in LTE low frequency, LTE mid-high frequency, but also 2 * 2MIMO in 5G frequency bands n78 and n79, and simultaneously supports TDD-LTE new frequency band B46, which has better communication performance. .

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Support Of Aerials (AREA)
  • Telephone Set Structure (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)

Abstract

本发明提供了一种天线模组及移动终端。天线模组包括第一天线和第二天线，第一天线形成多个工作状态，通过切换多个工作状态，第一天线支持LTE低频698-960MHz和LTE中高频1710-2690MHz，并支持频段内的多载波聚合；在每一个工作状态下，第一天线还工作于5G频段3300-3800MHz和4800-5000MHz，第二天线工作于5G频段3300-3800MHz和4800-5000MHz以及TDD-LTE新频段5150-5925MHz，并和第一天线共同形成5G频段3300-3800MHz和4800-5000MHz的2*2MIMO。本发明提供的天线模组通讯性能更优。

Description

天线模组及移动终端 【技术领域】
本发明涉及通讯技术领域，尤其涉及一种天线模组及移动终端。
【背景技术】
第五代行动通讯即将来临，中国三大营运商5G时间也已经确定，我国工信部发表的5G中的Sub 6G频段3.3-3.6GHz和4.8-5GHz频段，将会纳入手机的天线频段来使用，未来5G时代的手机MIMO天线设计上也肯定会需要涵盖这些频段，除了考虑到天线频段的设计，还要考虑多载波聚合的硬件布局，天线该如何设计来支持多载波聚合(CA)的使用，带宽是设计上的一个难点。4G时代手机天线的低频频段为698-960MHz，到现在5G时代已经需要变成617MHz-960MHz，而中高频频段除了原有的1710MHz-2690MHz还要增加Sub 6G频段，在这么多频段还要考虑到多载波聚合(CA)的使用时也意味着天线带宽要足够宽。然而，以现今流行的全面屏手机环境来说，本身天线环境与空间较差，大部分都需要靠可调器件的匹配切换来做拓频使用，而且某些特定频段还要顾及MIMO以及CA同时使用，势必更加增大了天线设计的难度。
因此，有必要提供一种新的天线模组解决上述问题。
【发明内容】
本发明的目的是克服上述技术问题，提供一种能够支持更多的载波聚合组合的天线模组及移动终端。
为实现上述目的，本发明提供一种天线模组，包括第一天线和第二天线，所述第一天线包括调谐开关和可调电容并由所述调谐开关和所述可调电容控制形成多个工作状态，通过切换所述多个工作状态，所述第一天线支持LTE低频698-960MHz和LTE中高频1710-2690MHz，并支持频段内 的多载波聚合；在每一个所述工作状态下，所述第一天线还工作于5G频段3300-3800MHz和4800-5000MHz，所述第二天线工作于5G频段3300-3800MHz和4800-5000MHz以及TDD-LTE新频段5150-5925MHz，并和所述第一天线共同形成5G频段3300-3800MHz和4800-5000MHz的2*2MIMO。
优选地，所述天线模组应用于移动终端，所述移动终端包括金属边框、收容于所述金属边框内的主板及罩设于所述主板之上的塑料支架；
所述金属边框包括相对设置的两个中部边框和连接两个所述中部边框的底部边框，所述底部边框上设有第一断缝和第二断缝，所述第一断缝和所述第二断缝将所述底部边框分隔为位于中间的主边框及分设于所述主边框两侧的左边框和右边框；
所述天线模组包括设于所述主板的第一馈电点、第二馈电点、第一接地点、第二接地点、所述可调电容和所述调谐开关、以及设于所述塑料支架远离所述主板表面的第一天线走线和第二天线走线；其中
第一辐射部包括主边框、第一天线走线和第二天线走线，所述第一天线走线一端与所述第一馈电点连接，另一端与所述主边框连接，所述主边框通过所述调谐开关与所述第一接地点连接，所述第二天线走线一端与所述主边框连接，另一端通过所述可调电容与所述第二接地点连接，以形成第一天线；
第二辐射部为右边框，所述第二辐射部通过与其连接的所述中部边框接地，所述第二馈电点与所述第二辐射部连接，以形成第二天线。
优选地，所述第一天线走线连接于所述主边框的第一位置处，所述第二馈电点连接于所述右边框的第二位置处，所述第一位置和所述第二位置均临近所述第二断缝设置。
优选地，所述第一接地点连接于所述主边框的第三位置处，所述第二天线走线连接于所述主边框的第四位置处，所述移动终端还包括USB模组，所述第三位置和所述第四位置分设于所述USB模组两侧，且所述第三位置位于所述USB模组和所述第一位置之间。
优选地，所述调谐开关设有第一电感接入状态、第二电感接入状态、第三电感接入状态和断路状态，当所述调谐开关在不同工作状态时，所述第一辐射部通过第一电感、第二电感和第三电感中的一个与所述第一接地点电连接或者与所述第一接地点电隔离。
优选地，所述第一馈电点和所述第二接地点设置于所述电路板朝向所述塑料支架的表面，所述天线模组还包括设置于所述电路板朝向所述塑料支架表面的与所述第一馈电点连接的第一弹片及与所述可调电容连接的第二弹片。
优选地，所述天线模组还包括抵接于所述主边框的第三弹片和第四弹片、以及抵接于所述右边框的第五弹片，所述主边框通过所述第三弹片与所述第一天线走线连接，所述主边框通过所述第四弹片与所述第二天线走线连接，所述右边框通过所述第五弹片与所述第二馈电点连接。
优选地，所述第一接地点和所述第二馈电点设置于所述电路板远离所述塑料支架的表面。
优选地，所述第一天线走线和所述第二天线走线通过LDS工艺镭射于所述塑料支架远离所述主板的表面。
本发明还提供一种移动终端，其包括上述的天线模组。
与相关技术相比，本发明提供的天线模组的第一天线包括调谐开关和可调电容并由所述调谐开关和所述可调电容控制形成多个工作状态，通过切换所述多个工作状态，所述第一天线支持LTE低频698-960MHz和LTE中高频1710-2690MHz，并支持频段内的多载波聚合；在每一个所述工作状态下，所述第一天线还工作于5G频段3300-3800MHz和4800-5000MHz，所述第二天线工作于5G频段3300-3800MHz和4800-5000MHz以及TDD-LTE新频段5150-5925MHz，并和所述第一天线共同形成5G频段3300-3800MHz和4800-5000MHz的2*2MIMO。本发明提供的天线模组不仅实现了LTE低频、LTE中高频内的多载波聚合，同时还实现了5G频段n78和n79的2*2MIMO，并同时支持TDD-LTE新频段B46，通讯性能更优。
【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它的附图，其中：
图1为本发明提供的移动终端一较佳实施例的部分立体分解结构示意图；
图2为图1所示移动终端的部分结构示意图；
图3为图1所示A部分的放大结构示意图；
图4为图1所示移动终端的天线模组一种具体实施例的电路连接结构示意图；
图5为本发明提供的移动终端的天线模组的回波损耗仿真效果曲线图；
图6为本发明提供的移动终端的天线模组的辐射效率仿真效果曲线图。
【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它实施例，都属于本发明保护的范围。
如图1至图4所示，本发明实施例提供了一种移动终端100，所述移动终端100可以为手机、平板电脑、多媒体播放器等，为便于理解，以下实施例以智手机为例进行描述。
所述移动终端100包括金属边框10、收容于所述金属边框10内的主板30、罩设于所述主板30之上的塑料支架50、设于所述主板30的USB模组60及天线模组。所述塑料支架50临近所述移动终端100的底部设置。
所述金属边框10包括相对设置的两个中部边框11、及分设于所述中 部边框11两端且分别与所述中部边框11连接的底部边框13和顶部边框15。所述顶部边框15、一个所述中部边框11、所述底部边框13和另一个所述中部边框11依次连接围成所述金属边框10。
所述底部边框13上设有第一断缝131和第二断缝132，所述第一断缝131和所述第二断缝132将所述底部边框13分隔为位于中间的主边框133及分设于所述主边框133两侧的左边框134和右边框135。所述左边框134两端分别与所述第一断缝131和一个所述中部边框11连接，所述右边框135两端分别与所述第二断缝132和另一个所述中部边框11连接。具体地，所述左边框134和所述右边框135关于所述移动终端宽度方向的中心轴线对称设置，可以认为所述左边框134和所述右边框135为连接所述主边框133与所述侧边框11的弧形拐角，其中左边框134为左侧拐角，右边框135为右侧拐角。
所述天线模组包括设于所述主板30的第一馈电点70、第二馈电点71、第一接地点72、第二接地点73、可调电容(Tunner)74、调谐开关(SW)75、以及设于所述塑料支架50远离所述主板30的表面的第一天线走线78和第二天线走线79。所述第一天线走线78和所述第二天线走线79通过LDS工艺镭射于所述塑料支架50远离所述主板30的表面。
所述第一辐射部10a包括主边框133、第一天线走线78和第二天线走线79，所述第一天线走线78一端与所述第一馈电点70连接，另一端与所述主边框133连接，所述主边框133通过所述调谐开关75与所述第一接地点72连接，所述第二天线走线79一端与所述主边框133连接，另一端通过所述可调电容74与所述第二接地点73连接，以形成第一天线。所述第一天线为IFA天线型式，所述可调电容74是第一天线拓频的关键元件，搭配所述调谐开关75的不同接入状态和自身电容值的改变可形成多个工作状态，通过切换所述多个工作状态，所述第一天线可支持LTE低频698-960MHz和LTE中高频1710-2690MHz，并支持频段内的多载波聚合；在每一个所述工作状态下，所述第一天线还工作于5G频段n78(3300-3800MHz)和n79(4800-5000MHz)。
所述右边框135设置为所述天线模组的第二辐射部10b，所述右边框135通过与其连接的所述中部边框11接地，具体的，所述中部边框11通过与所述移动终端100的金属中框连接而接地。所述第二馈电点71与所述右边框135连接，以形成第二天线。所述右边框135与中部边框11直接连接形成”环形天线”的天线设计型式，所述第二天线支持的5G频段n78(3300-3800MHz)和n79(4800-5000MHz)，同时还能支持TDD-LTE新频段B46(5150-5925MHz)。并且，所述第二天线和所述第一天线共同形成5G频段n78(3300-3800MHz)和n79(4800-5000MHz)的2*2MIMO。
所述第一天线走线78连接于所述主边框133的第一位置1331处，所述第二馈电点71连接于所述右边框135的第二位置1351处，所述第一接地点72连接于所述主边框133的第三位置1333处，所述第二天线走线79连接于所述主边框133的第四位置1335处。所述第一位置1331和所述第二位置1351分设于所述第二断缝132的两侧，且临近所述第二断缝132设置。所述第三位置1333和所述第四位置1335分设于所述USB模组60两侧，且所述第三位置1333位于所述USB模组60和所述第一位置1331之间。
在本实施例中，所述第一馈电点70和所述第二接地点73设置于所述电路板30朝向所述塑料支架50的表面，所述第一接地点72和所述第二馈电点71设置于所述电路板30远离所述塑料支架50的表面。
优选地，所述天线模组还包括设置于所述电路板30朝向所述塑料支架表面50的与所述第一馈电点70连接的第一弹片101及与所述可调电容74连接的第二弹片102。具体地，所述第一弹片101一端与所述第一馈电点70连接另一端与所述第一天线走线78连接，所述第二弹性102的一端与所述可调电容74连接另一端所述第二天线走线79连接。
优选地，所述天线模组还包括抵接于所述主边框131的第三弹片105和第四弹片106、以及抵接于所述右边框135的第五弹片107，所述主边框133通过所述第三弹片105与所述第一天线走线78连接，所述主边框133通过所述第四弹片106与所述第二天线走线79连接，所述右边框135通过 所述第五弹片107与所述第二馈电点71连接。
在本实施例中，所述调谐开关75设有第一电感接入状态、第二电感接入状态、第三电感接入状态和断路状态。具体地，当所述调谐开关75处于第一电感接入状态时，所述第一辐射部10a通过第一电感L1与所述第一接地点72连接；当所述调谐开关75处于第二电感接入状态时，所述第一辐射部10a通过第二电感L2与所述第一接地点72连接；当所述调谐开关75处于第三电感接入状态时，所述第一辐射部10a通过第三电感L3与所述第一接地点72连接；当所述调谐开关75处于断路状态(open)时，所述第一辐射部10a与所述第一接地点72电隔离。所述第一电感、所述第二电感和所述第三电感的值分别为3nH、4.3nH和6.2nH。
通过调节所述第一天线的可调电容74(Tunner)和调谐开关75(SW)以实现所述天线模组覆盖不同频段，具体详见下表：
Figure PCTCN2019087458-appb-000001
从上表可以看出，无论第一天线切换何种状态，第二天线是一直支持n78(3300-3380MHz)、n79(4800-5000MHz)和B46频段(5150-5925MHz) 的。请同时结合参阅图5和图6，图5和图6中的I区域为第一天线在上表的八种状态的回波损耗仿真效果曲线图，II区域为第二天线的回波损耗仿真效果曲线图。从图5和图6也可知，第一天线在状态1至状态8之间切换时，第二天线是一直支持n78(3300-3380MHz)、n79(4800-5000MHz)和B46频段(5150-5925MHz)的。
与相关技术相比，本发明提供的天线模组的第一天线包括调谐开关和可调电容并由所述调谐开关和所述可调电容控制形成多个工作状态，通过切换所述多个工作状态，所述第一天线支持LTE低频698-960MHz和LTE中高频1710-2690MHz，并支持频段内的多载波聚合；在每一个所述工作状态下，所述第一天线还工作于5G频段3300-3800MHz和4800-5000MHz，所述第二天线工作于5G频段3300-3800MHz和4800-5000MHz以及TDD-LTE新频段5150-5925MHz，并和所述第一天线共同形成5G频段3300-3800MHz和4800-5000MHz的2*2MIMO。本发明提供的天线模组不仅实现了LTE低频、LTE中高频内的多载波聚合，同时还实现了5G频段n78和n79的2*2MIMO，并同时支持TDD-LTE新频段B46，通讯性能更优。
以上所述的仅是本发明的实施方式，在此应当指出，对于本领域的普通技术人员来说，在不脱离本发明创造构思的前提下，还可以做出改进，但这些均属于本发明的保护范围。

Claims (10)

  1. 一种天线模组，包括第一天线和第二天线，其特征在于，所述第一天线包括调谐开关和可调电容并由所述调谐开关和所述可调电容控制形成多个工作状态，通过切换所述多个工作状态，所述第一天线支持LTE低频698-960MHz和LTE中高频1710-2690MHz，并支持频段内的多载波聚合；在每一个所述工作状态下，所述第一天线还工作于5G频段3300-3800MHz和4800-5000MHz，所述第二天线工作于5G频段3300-3800MHz和4800-5000MHz以及TDD-LTE新频段5150-5925MHz，并和所述第一天线共同形成5G频段3300-3800MHz和4800-5000MHz的2*2MIMO。
  2. 根据权利要求1所述的天线模组，其特征在于，所述天线模组应用于移动终端，所述移动终端包括金属边框、收容于所述金属边框内的主板及罩设于所述主板之上的塑料支架；
    所述金属边框包括相对设置的两个中部边框和连接两个所述中部边框的底部边框，所述底部边框上设有第一断缝和第二断缝，所述第一断缝和所述第二断缝将所述底部边框分隔为位于中间的主边框及分设于所述主边框两侧的左边框和右边框；
    所述天线模组包括设于所述主板的第一馈电点、第二馈电点、第一接地点、第二接地点、所述可调电容和所述调谐开关、以及设于所述塑料支架远离所述主板表面的第一天线走线和第二天线走线；其中
    第一辐射部包括主边框、第一天线走线和第二天线走线，所述第一天线走线一端与所述第一馈电点连接，另一端与所述主边框连接，所述主边框通过所述调谐开关与所述第一接地点连接，所述第二天线走线一端与所述主边框连接，另一端通过所述可调电容与所述第二接地点连接，以形成第一天线；
    第二辐射部为右边框，所述第二辐射部通过与其连接的所述中部边框接地，所述第二馈电点与所述第二辐射部连接，以形成第二天线。
  3. 根据权利要求2所述的天线模组，其特征在于，所述第一天线走线 连接于所述主边框的第一位置处，所述第二馈电点连接于所述右边框的第二位置处，所述第一位置和所述第二位置均临近所述第二断缝设置。
  4. 根据权利要求3所述的天线模组，其特征在于，所述第一接地点连接于所述主边框的第三位置处，所述第二天线走线连接于所述主边框的第四位置处，所述移动终端还包括USB模组，所述第三位置和所述第四位置分设于所述USB模组两侧，且所述第三位置位于所述USB模组和所述第一位置之间。
  5. 根据权利要求2所述的天线模组，其特征在于，所述调谐开关设有第一电感接入状态、第二电感接入状态、第三电感接入状态和断路状态，当所述调谐开关在不同工作状态时，所述第一辐射部通过第一电感、第二电感和第三电感中的一个与所述第一接地点电连接或者与所述第一接地点电隔离。
  6. 根据权利要求2所述的天线模组，其特征在于，所述第一馈电点和所述第二接地点设置于所述电路板朝向所述塑料支架的表面，所述天线模组还包括设置于所述电路板朝向所述塑料支架表面的与所述第一馈电点连接的第一弹片及与所述可调电容连接的第二弹片。
  7. 根据权利要求6所述的天线模组，其特征在于，所述天线模组还包括抵接于所述主边框的第三弹片和第四弹片、以及抵接于所述右边框的第五弹片，所述主边框通过所述第三弹片与所述第一天线走线连接，所述主边框通过所述第四弹片与所述第二天线走线连接，所述右边框通过所述第五弹片与所述第二馈电点连接。
  8. 根据权利要求6所述的天线模组，其特征在于，所述第一接地点和所述第二馈电点设置于所述电路板远离所述塑料支架的表面。
  9. 根据权利要求2所述的天线模组，其特征在于，所述第一天线走线和所述第二天线走线通过LDS工艺镭射于所述塑料支架远离所述主板的表面。
  10. 一种移动终端，其特征在于，所述移动终端包括权利要求1至9任一项所述的天线模组。
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Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109149072B (zh) * 2018-08-20 2020-11-17 瑞声科技(新加坡)有限公司 天线模组及移动终端
EP3907894A4 (en) * 2019-02-01 2022-01-05 Huawei Technologies Co., Ltd. ANTENNA AND TERMINAL DEVICE SELECTION PROCESS
CN109818138B (zh) * 2019-03-07 2023-04-07 闻泰通讯股份有限公司 天线结构
CN110011036A (zh) * 2019-04-10 2019-07-12 南昌黑鲨科技有限公司 多天线系统及移动终端
CN110401010A (zh) * 2019-07-25 2019-11-01 Oppo（重庆）智能科技有限公司 天线系统及终端设备
CN110380190B (zh) * 2019-08-08 2021-07-30 维沃移动通信有限公司 一种天线模组及电子设备
CN112350053B (zh) * 2019-08-09 2023-09-15 富泰华工业（深圳）有限公司 天线结构及具有该天线结构的无线通信装置
CN112421211B (zh) * 2019-08-23 2022-01-14 华为技术有限公司 天线及电子设备
CN110600881A (zh) * 2019-09-25 2019-12-20 南昌黑鲨科技有限公司 天线装置及移动终端
CN110828982A (zh) * 2019-09-27 2020-02-21 珠海格力电器股份有限公司 一种移动终端的天线和壳体以及移动终端
CN110994174B (zh) * 2019-12-20 2022-01-21 西安易朴通讯技术有限公司 一种智能穿戴设备
CN111029732A (zh) * 2019-12-31 2020-04-17 上海摩勤智能技术有限公司 一种天线装置和手持通讯设备
CN111129718B (zh) * 2020-01-16 2024-02-09 努比亚技术有限公司 终端天线系统及移动终端
CN113328233B (zh) * 2020-02-29 2022-11-08 华为技术有限公司 电子设备
CN111244616B (zh) * 2020-03-27 2022-01-11 维沃移动通信有限公司 一种天线结构及电子设备
CN111987455A (zh) * 2020-07-03 2020-11-24 深圳市卓睿通信技术有限公司 一种多端口开关共享匹配的天线

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016162685A1 (en) * 2015-04-07 2016-10-13 Smart Antenna Technologies Ltd. Reconfigurable 4-port multi-band multi-function antenna with a grounded dipole antenna component
US20170244151A1 (en) * 2016-02-20 2017-08-24 Samsung Electronics Co., Ltd. Electronic device with antenna
CN107317113A (zh) * 2017-06-27 2017-11-03 北京小米移动软件有限公司 天线模块及电子设备
CN108598683A (zh) * 2018-05-28 2018-09-28 北京小米移动软件有限公司 天线组件及终端
CN109149072A (zh) * 2018-08-20 2019-01-04 瑞声科技(新加坡)有限公司 天线模组及移动终端

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106463818B (zh) * 2014-03-21 2019-10-18 维斯普瑞公司 可调谐天线系统、装置及方法

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016162685A1 (en) * 2015-04-07 2016-10-13 Smart Antenna Technologies Ltd. Reconfigurable 4-port multi-band multi-function antenna with a grounded dipole antenna component
US20170244151A1 (en) * 2016-02-20 2017-08-24 Samsung Electronics Co., Ltd. Electronic device with antenna
CN107317113A (zh) * 2017-06-27 2017-11-03 北京小米移动软件有限公司 天线模块及电子设备
CN108598683A (zh) * 2018-05-28 2018-09-28 北京小米移动软件有限公司 天线组件及终端
CN109149072A (zh) * 2018-08-20 2019-01-04 瑞声科技(新加坡)有限公司 天线模组及移动终端

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