WO2021128549A1 - 天线系统及移动终端 - Google Patents

天线系统及移动终端 Download PDF

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Publication number
WO2021128549A1
WO2021128549A1 PCT/CN2020/075930 CN2020075930W WO2021128549A1 WO 2021128549 A1 WO2021128549 A1 WO 2021128549A1 CN 2020075930 W CN2020075930 W CN 2020075930W WO 2021128549 A1 WO2021128549 A1 WO 2021128549A1
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WO
WIPO (PCT)
Prior art keywords
antenna
tuning switch
feed point
radio frequency
mobile terminal
Prior art date
Application number
PCT/CN2020/075930
Other languages
English (en)
French (fr)
Inventor
徐健华
邹方绍
Original Assignee
惠州Tcl移动通信有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 惠州Tcl移动通信有限公司 filed Critical 惠州Tcl移动通信有限公司
Priority to US17/758,060 priority Critical patent/US20230035471A1/en
Publication of WO2021128549A1 publication Critical patent/WO2021128549A1/zh

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/02—Transmitters
    • H04B1/04—Circuits
    • H04B1/0475—Circuits with means for limiting noise, interference or distortion
    • 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
    • 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
    • H01Q1/245—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 means for shaping the antenna pattern, e.g. in order to protect user against rf exposure
    • 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
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/005—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges
    • H04B1/0053—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges with common antenna for more than one band
    • H04B1/006—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges with common antenna for more than one band using switches for selecting the desired band
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q23/00—Antennas with active circuits or circuit elements integrated within them or attached to them
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/02—Transmitters
    • H04B1/04—Circuits
    • H04B2001/0491—Circuits with frequency synthesizers, frequency converters or modulators

Definitions

  • This application relates to the field of communications, and in particular to an antenna system and a mobile terminal.
  • wireless communication equipment At present, a variety of wireless communication equipment has become very popular. While bringing convenience to people, wireless communication equipment also brings electromagnetic radiation to the human body.
  • the SAR value (Specific Absorption Ratio, specific absorption rate) is usually used internationally to measure the thermal effect of terminal radiation. The lower the SAR value, the less harm to the human body, but the lower the radiated power will cause the signal to deteriorate.
  • the early design scheme was a specific independent P-sensor FPC antenna.
  • the advantage of this scheme is that the sensor is stable in detection, but the disadvantage is that the cost is high and it takes up more equipment space. Later it evolved into an antenna-sensor integrated design with parallel sensor circuits.
  • the advantage of this scheme is that the antenna is shared and the cost is reduced.
  • the disadvantage is that the sensor detection is unstable, and the whole machine is in a state of reduced power for a long time, which causes the signal to deteriorate.
  • the embodiments of the present application provide an antenna system and a mobile terminal, which can improve the stability of sensor detection and prevent the whole device from being in a power-reduced state for a long time, resulting in signal degradation.
  • an antenna system including:
  • a metal antenna having a first feed point and a second feed point
  • a radio frequency module, the first feed point is connected to the radio frequency module
  • An antenna tuning switch the second feeding point is connected to the antenna tuning switch; wherein,
  • a sensor module is connected in parallel between the second feed point and the antenna tuning switch.
  • a first decoupling unit is connected in series between the sensor module and the second feed point, and the first decoupling unit is used to isolate the radio frequency signal emitted by the radio frequency module from the sensor. Module interference.
  • the first decoupling unit includes a first inductor, and the first inductance value is 440 nH.
  • a second decoupling unit is provided between the second feed point and the antenna tuning switch, and the second decoupling unit is used to isolate the interference of the signal of the sensor module to the antenna tuning switch.
  • the second decoupling unit includes a second inductor and a first capacitor, the first capacitor is connected in series with the second feed point and the antenna tuning switch, and the second inductor is connected in series with the antenna. Between the tuning switch and the metal floor.
  • the second inductance value is 100nH, and the first capacitance value is 0 ⁇ .
  • the antenna tuning switch includes a multi-channel tuning switch and an antenna tuner, the antenna tuner is used to adjust the impedance matching between the radio frequency signal and the metal antenna, and the multi-channel tuning switch is used to switch the resonant frequency .
  • the antenna tuning switch further includes a BPI interface connected to the baseband.
  • the sensor module includes a sensor chip and a GPIO interface connected with the baseband.
  • an embodiment of the present application further provides a mobile terminal, the mobile terminal includes an antenna system, and the antenna system includes:
  • a metal antenna having a first feed point and a second feed point
  • a radio frequency module, the first feed point is connected to the radio frequency module
  • An antenna tuning switch the second feeding point is connected to the antenna tuning switch; wherein,
  • a sensor module is connected in parallel between the second feed point and the antenna tuning switch, and a first decoupling unit is connected in series between the sensor module and the second feed point, and the first decoupling unit Used to isolate the interference of the radio frequency signal emitted by the radio frequency module on the sensor module, a second decoupling unit is provided between the second feed point and the antenna tuning switch, and the second decoupling unit is used for In order to isolate the interference of the signal of the sensor module to the antenna tuning switch.
  • the first decoupling unit includes a first inductor, and the first inductance value is 440 nH.
  • the second decoupling unit includes a second inductor and a first capacitor, the first capacitor is connected in series between the second feed point and the antenna tuning switch, and the second inductor is connected in series with the antenna Between the tuning switch and the metal floor.
  • the second inductance value is 100nH, and the first capacitance value is 0 ⁇ .
  • the antenna tuning switch includes a multi-channel tuning switch and an antenna tuner, the antenna tuner is used to adjust the impedance matching between the radio frequency signal and the metal antenna, and the multi-channel tuning switch is used to switch the resonant frequency .
  • the antenna tuning switch further includes a BPI interface connected to the baseband.
  • the sensor module includes a sensor chip and a GPIO interface connected with the baseband.
  • the antenna system includes: a metal antenna having a first feed point and a second feed point; a radio frequency module, where the first feed point is connected to the radio frequency module; an antenna tuning switch, The second feed point is connected to the antenna tuning switch; wherein, a sensor module is connected in parallel between the second feed point and the antenna tuning switch. It can improve the stability of sensor detection and avoid the whole machine being in a state of reduced power for a long time, resulting in poor signal.
  • FIG. 1 is a schematic diagram of the first structure of an antenna system provided by an embodiment of this application.
  • FIG. 2 is a schematic diagram of a second flow of an antenna system provided by an embodiment of this application.
  • FIG. 3 is a schematic structural diagram of a mobile terminal provided by an embodiment of the application.
  • first and second are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features. Therefore, the features defined with “first” and “second” may explicitly or implicitly include one or more of the features. In the description of the present application, “multiple” means two or more than two, unless otherwise specifically defined.
  • connection should be understood in a broad sense, unless otherwise clearly specified and limited.
  • it can be a fixed connection or a detachable connection.
  • Connected or integrally connected it can be mechanically connected, or electrically connected or can communicate with each other; it can be directly connected or indirectly connected through an intermediate medium, it can be the internal communication of two components or the interaction of two components relationship.
  • connection should be understood according to specific circumstances.
  • the "above” or “below” of the first feature of the second feature may include direct contact between the first and second features, or may include the first and second features Not in direct contact but through other features between them.
  • “above”, “above” and “above” the second feature of the first feature include the first feature being directly above and obliquely above the second feature, or it simply means that the level of the first feature is higher than that of the second feature.
  • the “below”, “below” and “below” the first feature of the second feature include the first feature directly below and obliquely below the second feature, or it simply means that the level of the first feature is smaller than the second feature.
  • FIG. 1 is a schematic diagram of the first structure of an antenna system provided by an embodiment of this application.
  • the antenna system includes:
  • the metal antenna 10 has a first feed point 101 and a second feed point 102;
  • the radio frequency module 20, the first feed point 101 is connected to the radio frequency module 20;
  • the antenna tuning switch 30, the second feed point 102 is connected to the antenna tuning switch 30; wherein,
  • a sensor module 40 is connected in parallel between the second feed point 102 and the antenna tuning switch 30.
  • FIG. 2 is a specific circuit structure diagram of the antenna system shown in FIG. 1.
  • the first feed point 101 is the antenna feed point
  • the second feed point 102 is the antenna coordinated switch feed point
  • the metal antenna 10 means that the first feed point 101 and the second feed point 102 are connected to the radio frequency module 20 and the antenna adjustment switch 30.
  • a sensor module 40 is connected in parallel between the second feed point 102 and the antenna tuning switch 30. The sensor module 40 and the antenna tuning switch 30 are isolated, so that the sensor module 40 and the antenna tuning switch 30 work separately without interfering with each other.
  • the antenna system includes: a metal antenna, the metal antenna has a first feed point and a second feed point; a radio frequency module, the first feed point is connected to the radio frequency module; an antenna tuning switch, the The second feed point is connected to the antenna tuning switch; wherein, a sensor module is connected in parallel between the second feed point and the antenna tuning switch. Separate the sensor module and antenna tuning switch in parallel, so that the sensor module and antenna tuning switch work independently without interfering with each other, thereby improving the stability of sensor detection and avoiding the whole machine from being in a state of reduced power for a long time, resulting in signal change difference.
  • a first decoupling unit is connected in series between the sensor module 40 and the second feed point 102, and the first decoupling unit is used to isolate the radio frequency signal emitted by the radio frequency module 20 from the The interference of the sensor module 40 is described.
  • the first decoupling unit may include a first inductor L1 (L01 in FIG. 2).
  • the first decoupling unit is connected in series between the sensor module 40 and the second feed point 102, and the first inductor L1 is used to isolate the interference of the radio frequency signal transmitted by the radio frequency module to the sensor module.
  • the inductance value of the first inductor L1 is 440 nH.
  • a second decoupling unit is provided between the second feed point 102 and the antenna tuning switch 30, and the second decoupling unit is used to isolate the signal of the sensor module 40 from the antenna. Tuning switch 30 interference.
  • the second decoupling unit may include a second inductor L2 and a first capacitor C1 (that is, L02 and C01 in FIG. 2), and the first capacitor C1 is connected in series to the second feed point 102 and Between the antenna tuning switch 30, the second inductor L02 is connected in series with the antenna tuning switch 30 and the metal floor.
  • the inductance value of the second inductor L2 is 100 nH, and the capacitance value of the first capacitor C1 is 0 ⁇ .
  • the antenna tuning switch 30 includes a multi-channel tuning switch 301 and an antenna tuner 302.
  • the antenna tuner 302 is used to adjust the impedance matching between the radio frequency signal and the metal antenna 10.
  • the multiple tuning switch is used to switch the resonant frequency.
  • the antenna tuning switch 30 in FIG. 2 includes four tuning switches for tuning the matching of each antenna.
  • the antenna tuning switch 30 further includes a BPI interface 303 connected to the baseband.
  • the BPI interface is used to control the operation of the antenna tuning switch.
  • the sensor module 40 includes a sensor chip 40 and a GPIO interface 401 connected to the baseband.
  • the GPIO interface controls the work of the sensor chip.
  • An embodiment of the present application also provides a mobile terminal, the mobile terminal includes an antenna system, and the antenna system includes:
  • a metal antenna having a first feed point and a second feed point
  • a radio frequency module, the first feed point is connected to the radio frequency module
  • An antenna tuning switch the second feeding point is connected to the antenna tuning switch; wherein,
  • a sensor module is connected in parallel between the second feed point and the antenna tuning switch, and a first decoupling unit is connected in series between the sensor module and the second feed point, and the first decoupling unit Used to isolate the interference of the radio frequency signal emitted by the radio frequency module on the sensor module, a second decoupling unit is provided between the second feed point and the antenna tuning switch, and the second decoupling unit is used for In order to isolate the interference of the signal of the sensor module to the antenna tuning switch.
  • the first decoupling unit includes a first inductor, and the first inductance value is 440 nH.
  • the second decoupling unit includes a second inductor and a first capacitor, the first capacitor is connected in series between the second feed point and the antenna tuning switch, and the second inductor is connected in series with the antenna Between the tuning switch and the metal floor.
  • the second inductance value is 100nH, and the first capacitance value is 0 ⁇ .
  • the antenna tuning switch includes a multi-channel tuning switch and an antenna tuner, the antenna tuner is used to adjust the impedance matching between the radio frequency signal and the metal antenna, and the multi-channel tuning switch is used to switch the resonant frequency .
  • the antenna tuning switch further includes a BPI interface connected to the baseband.
  • the sensor module includes a sensor chip and a GPIO interface connected with the baseband.
  • an embodiment of the present application further provides a mobile terminal, which includes the antenna system described above.
  • FIG. 3 is a schematic structural diagram of a mobile terminal provided by an embodiment of the application.
  • the mobile terminal 10 may include a housing 11, a display screen 12, a circuit board 13, and a battery 14. It should be noted that the mobile terminal 10 is not limited to the above content.
  • the housing 11 may form the outer contour of the mobile terminal 10.
  • the housing 11 may be a metal housing, such as magnesium alloy, stainless steel and other metals. It should be noted that the material of the housing 11 in the embodiment of the present application is not limited to this, and other methods may also be used.
  • the housing 11 may be a plastic housing, a ceramic housing, a glass housing, and the like.
  • the display screen 12 is installed in the housing 11.
  • the display screen 12 is electrically connected to the circuit board 13 to form a display surface of the mobile terminal 10.
  • the display surface of the mobile terminal 10 may be provided with a non-display area.
  • the top or/and bottom of the mobile terminal 10 may form a non-display area, that is, the mobile terminal 10 is on the upper or/and lower part of the display screen 12.
  • a non-display area is formed, and the mobile terminal 10 can install devices such as a camera and a receiver in the non-display area.
  • the display surface of the mobile terminal 10 may not be provided with a non-display area, that is, the display screen 12 may be a full screen.
  • the display screen can be laid on the entire display surface of the mobile terminal 10 so that the display screen can be displayed in full screen on the display surface of the mobile terminal 10.
  • the display screen 12 may have a regular shape, such as a rectangular parallelepiped structure or a rounded rectangular structure, and the display screen 12 may also have an irregular shape.
  • the display screen 12 may be one or a combination of a liquid crystal display, an organic light emitting diode display, an electronic ink display, a plasma display, and a display using other display technologies.
  • the display screen 12 may include a touch sensor array (ie, the display screen 12 may be a touch display screen).
  • the touch sensor can be a capacitive touch sensor formed by an array of transparent touch sensor electrodes (such as indium tin oxide (ITO) electrodes), or it can be a touch sensor formed using other touch technologies, such as sonic touch, pressure-sensitive touch, and resistance. Touch, optical touch, etc., are not limited in the embodiment of the present application.
  • a cover plate may be provided on the display screen 12, and the cover plate may cover the display screen 12 to protect the display screen 12.
  • the cover plate may be a transparent glass cover plate, so that the display screen 12 can display through the cover plate.
  • the cover plate may be a glass cover plate made of materials such as sapphire.
  • a storage space is formed between the casing 11 and the display screen 12, and the storage space can contain components of the mobile terminal 10, such as a circuit board 13, a battery, and the like.
  • the circuit board 13 is installed in the housing 11, the circuit board 13 may be the main board of the mobile terminal 10, and the circuit board 13 may be integrated with a motor, a microphone, a speaker, a headphone interface, a universal serial bus interface, a camera, a distance sensor, One, two or more of functional devices such as ambient light sensors, receivers, and processors.
  • the circuit board 13 may be fixed in the housing 11. Specifically, the circuit board 13 may be screwed to the housing 11 by screws, or may be snap-fitted to the housing 11 in a snap-fit manner. It should be noted that the specific method of fixing the circuit board 13 to the housing 11 in the embodiment of the present application is not limited to this, and other methods may be used, such as a joint fixing method by a buckle and a screw.
  • the battery 14 is installed in the housing 11, and the battery 11 is electrically connected to the circuit board 13 to provide power to the mobile terminal 10.
  • the case 11 can serve as a battery cover for the battery 14.
  • the casing 11 covers the battery 14 to protect the battery 14 and reduce damage to the battery 14 due to collisions, drops, and the like of the mobile terminal 10.
  • the battery 11 may be a nickel-cadmium battery, a lithium-ion battery, or other types of batteries.
  • the number of batteries can be one or more.
  • the shape of the battery can be square, bar or other shapes. In practical applications, the shape can be set according to the internal structure of the mobile terminal itself, which is not limited in this application.

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Abstract

本申请公开了一种天线系统及移动终端，天线系统包括：金属天线，所述金属天线具有一第一馈点及第二馈点；射频模块，第一馈点连接射频模块；天线调谐开关，第二馈点连接天线调谐开关；其中，在第二馈点及天线调谐开关之间还并联有一传感器模块。可以提高传感器检测的稳定性，避免整机长时间处于功率降低状态，导致信号变差。

Description

天线系统及移动终端
本申请要求于2019年12月27日提交中国专利局、申请号为201911373668.X、发明名称为“天线系统及移动终端”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本申请涉及通信领域，具体涉及一种天线系统及移动终端。
背景技术
目前各种各样的无线通讯设备已经非常普及，无线通讯设备在给人们带来便利的同时，也带来了电磁辐射对人体伤害。国际上通常使用SAR值(Specific Absorption Ratio，比吸收率)来衡量终端辐射的热效应。SAR值越低对人体伤害越小，但是辐射功率降低会导致信号变差。
早期的设计方案是具体独立的P-sensor FPC天线，这种方案的优点是传感器检测稳定，缺点是成本很高，占用的设备空间比较多，后面演化成天线-传感器一体化设计，传感器电路并联到射频电路上，这种方案的优点是共用天线，成本降低，缺点是传感器检测不稳定，整机长时间处于功率降低状态，导致信号变差。
发明概述
技术问题
本申请实施例提供一种天线系统及移动终端，可以提高传感器检测的稳定性，避免整机长时间处于功率降低状态，导致信号变差。
问题的解决方案
技术解决方案
第一方面，本申请实施例提供一种天线系统，包括：
金属天线，所述金属天线具有一第一馈点及第二馈点；
射频模块，所述第一馈点连接所述射频模块；
天线调谐开关，所述第二馈点连接所述天线调谐开关；其中，
在所述第二馈点及所述天线调谐开关之间还并联有一传感器模块。
在一些实施例中，在所述传感器模块与所述第二馈点之间串联有一第一去耦单元，所述第一去耦单元用于隔离所述射频模块发射的射频信号对所述传感器模块的干扰。
其中，所述第一去耦单元包括第一电感，所述第一电感值为440nH。
其中，在所述第二馈点及所述天线调谐开关之间设置有第二去耦单元，所述第二去耦单元用于隔离所述传感器模块的信号对所述天线调谐开关的干扰。
其中，所述第二去耦单元包括第二电感和第一电容，所述第一电容串联与所述第二馈点及所述天线调谐开关之间，所述第二电感串联与所述天线调谐开关和金属地板之间。
其中，所述第二电感值为100nH，所述第一电容值为0Ω。
其中，所述天线调谐开关包括多路调谐开关和天线调谐器，所述天线调谐器用于调节所述射频信号和所述金属天线之间的阻抗匹配，所述多路调谐开关用于切换谐振频率。
其中，所述天线调谐开关还包括与基带连接的BPI接口。
其中，所述传感器模块包括传感器芯片及与基带连接的GPIO接口。
第二方面，本申请实施例还提供一种移动终端，所述移动终端包括天线系统，所述天线系统包括：
金属天线，所述金属天线具有一第一馈点及第二馈点；
射频模块，所述第一馈点连接所述射频模块；
天线调谐开关，所述第二馈点连接所述天线调谐开关；其中，
在所述第二馈点及所述天线调谐开关之间还并联有一传感器模块，在所述传感器模块与所述第二馈点之间串联有一第一去耦单元，所述第一去耦单元用于隔离所述射频模块发射的射频信号对所述传感器模块的干扰，在所述第二馈点及所述天线调谐开关之间设置有第二去耦单元，所述第二去耦单元用于隔离所述传感器模块的信号对所述天线调谐开关的干扰。
其中，所述第一去耦单元包括第一电感，所述第一电感值为440nH。
其中，所述第二去耦单元包括第二电感和第一电容，所述第一电容串联于所述 第二馈点及所述天线调谐开关之间，所述第二电感串联与所述天线调谐开关和金属地板之间。
其中，所述第二电感值为100nH，所述第一电容值为0Ω。
其中，所述天线调谐开关包括多路调谐开关和天线调谐器，所述天线调谐器用于调节所述射频信号和所述金属天线之间的阻抗匹配，所述多路调谐开关用于切换谐振频率。
其中，所述天线调谐开关还包括与基带连接的BPI接口。
其中，所述传感器模块包括传感器芯片及与基带连接的GPIO接口。
本申请实施例提供的天线系统，包括：金属天线，所述金属天线具有一第一馈点及第二馈点；射频模块，所述第一馈点连接所述射频模块；天线调谐开关，所述第二馈点连接所述天线调谐开关；其中，在所述第二馈点及所述天线调谐开关之间还并联有一传感器模块。可以提高传感器检测的稳定性，避免整机长时间处于功率降低状态，导致信号变差。
发明的有益效果
对附图的简要说明
附图说明
为了更清楚地说明本申请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申请的一些实施例，对于本领域技术人员来讲，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。
图1为本申请实施例提供的天线系统的第一种结构示意图。
图2为本申请实施例提供的天线系统的第二种流程示意图。
图3为本申请实施例提供的移动终端的结构示意图。
发明实施例
本发明的实施方式
下面详细描述本申请的实施方式，所述实施方式的示例在附图中示出，其中自始至终相同或类似的标号表示相同或类似的元件或具有相同或类似功能的元件 。下面通过参考附图描述的实施方式是示例性的，仅用于解释本申请，而不能理解为对本申请的限制。
在本申请的描述中，需要理解的是，术语“中心”、“纵向”、“横向”、“长度”、“宽度”、“厚度”、“上”、“下”、“前”、“后”、“左”、“右”、“竖直”、“水平”、“顶”、“底”、“内”、“外”、“顺时针”、“逆时针”等指示的方位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述本申请和简化描述，而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本申请的限制。此外，术语“第一”、“第二”仅用于描述目的，而不能理解为指示或暗示相对重要性或者隐含指明所指示的技术特征的数量。由此，限定有“第一”、“第二”的特征可以明示或者隐含地包括一个或者更多个所述特征。在本申请的描述中，“多个”的含义是两个或两个以上，除非另有明确具体的限定。
在本申请的描述中，需要说明的是，除非另有明确的规定和限定，术语“安装”、“相连”、“连接”应做广义理解，例如，可以是固定连接，也可以是可拆卸连接，或一体地连接；可以是机械连接，也可以是电连接或可以相互通讯；可以是直接相连，也可以通过中间媒介间接相连，可以是两个元件内部的连通或两个元件的相互作用关系。对于本领域的普通技术人员而言，可以根据具体情况理解上述术语在本申请中的具体含义。
在本申请中，除非另有明确的规定和限定，第一特征在第二特征之“上”或之“下”可以包括第一和第二特征直接接触，也可以包括第一和第二特征不是直接接触而是通过它们之间的另外的特征接触。而且，第一特征在第二特征“之上”、“上方”和“上面”包括第一特征在第二特征正上方和斜上方，或仅仅表示第一特征水平高度高于第二特征。第一特征在第二特征“之下”、“下方”和“下面”包括第一特征在第二特征正下方和斜下方，或仅仅表示第一特征水平高度小于第二特征。
下文的公开提供了许多不同的实施方式或例子用来实现本申请的不同结构。为了简化本申请的公开，下文中对特定例子的部件和设置进行描述。当然，它们仅仅为示例，并且目的不在于限制本申请。此外，本申请可以在不同例子中重 复参考数字和/或参考字母，这种重复是为了简化和清楚的目的，其本身不指示所讨论各种实施方式和/或设置之间的关系。此外，本申请提供了的各种特定的工艺和材料的例子，但是本领域普通技术人员可以意识到其他工艺的应用和/或其他材料的使用。
下面将结合本申请实施例中的附图，对本申请实施例中的技术方案进行清楚、完整地描述。显然，所描述的实施例仅仅是本申请一部分实施例，而不是全部的实施例。基于本申请中的实施例，本领域技术人员在没有作出创造性劳动前提下所获得的所有其他实施例，都属于本申请保护的范围。
请参阅图1，图1为本申请实施例提供的天线系统的第一种结构示意图。该天线系统，包括：
金属天线10，所述金属天线10具有一第一馈点101及第二馈点102；
射频模块20，所述第一馈点101连接所述射频模块20；
天线调谐开关30，所述第二馈点102连接所述天线调谐开关30；其中，
在所述第二馈点102及所述天线调谐开关30之间还并联有一传感器模块40。
具体的，如图2所示，图2为图1所示的天线系统的具体电路结构图，第一馈点101为天线馈电点，第二馈点102为天线协调开关馈点，金属天线10为别通过该第一馈点101及第二馈点102与射频模块20以及天线调节开关30连接，在第二馈点102及天线调谐开关30之间并联有一传感器模块40，通过并联的方式使传感器模块40及天线调谐开关30之间隔离开，使传感器模块40及天线调谐开关30各自工作，互不干扰。
本申请实施例提供的天线系统包括：金属天线，所述金属天线具有一第一馈点及第二馈点；射频模块，所述第一馈点连接所述射频模块；天线调谐开关，所述第二馈点连接所述天线调谐开关；其中，在所述第二馈点及所述天线调谐开关之间还并联有一传感器模块。通过并联的方式使传感器模块及天线调谐开关之间隔离开，使传感器模块及天线调谐开关各自工作，互不干扰，进而提高传感器检测的稳定性，避免整机长时间处于功率降低状态，导致信号变差。
在一些实施例中，所述传感器模块40与所述第二馈点102之间串联有一第一去耦单元，所述第一去耦单元用于隔离所述射频模块20发射的射频信号对所述传 感器模块40的干扰。
具体的，请参阅图2，第一去耦单元可以包括第一电感L1(图2中的L01)，该第一去耦单元串联在传感器模块40与第二馈点102之间，第一电感L1用于隔离所述射频模块发射的射频信号对所述传感器模块的干扰。
在一些实施例中，该第一电感L1的电感值为440nH。
在一些实施例中，在第二馈点102及所述天线调谐开关30之间设置有第二去耦单元，所述第二去耦单元用于隔离所述传感器模块40的信号对所述天线调谐开关30的干扰。
具体的，请参阅图2，第二去耦单元可以包括第二电感L2和第一电容C1(即图2中的L02和C01)，该第一电容C1串联于所述第二馈点102及所述天线调谐开关30之间，所述第二电感L02串联与所述天线调谐开关30和金属地板之间。
其中，所述第二电感L2的电感值为100nH，第一电容C1的电容值为0Ω。
在一些实施例中，所述天线调谐开关30包括多路调谐开关301和天线调谐302器，所述天线调谐器302用于调节所述射频信号和所述金属天线10之间的阻抗匹配，所述多路调谐开关用于切换谐振频率。
具体的，以图2为例，图2中的天线调谐开关30包括4路调谐开关，用于调谐各路天线的匹配。
在一些实施例中，所述天线调谐开关30还包括与基带连接的BPI接口303。
具体的，BPI接口用于控制天线调谐开关的工作。
在一些实施例中，所述传感器模块40包括传感器芯片40及与基带连接的GPIO接口401。
其中，GPIO接口拥有控制传感器芯片的工作。
本申请实施例还提供一种移动终端，所述移动终端包括天线系统，所述天线系统包括：
金属天线，所述金属天线具有一第一馈点及第二馈点；
射频模块，所述第一馈点连接所述射频模块；
天线调谐开关，所述第二馈点连接所述天线调谐开关；其中，
在所述第二馈点及所述天线调谐开关之间还并联有一传感器模块，在所述传感 器模块与所述第二馈点之间串联有一第一去耦单元，所述第一去耦单元用于隔离所述射频模块发射的射频信号对所述传感器模块的干扰，在所述第二馈点及所述天线调谐开关之间设置有第二去耦单元，所述第二去耦单元用于隔离所述传感器模块的信号对所述天线调谐开关的干扰。
其中，所述第一去耦单元包括第一电感，所述第一电感值为440nH。
其中，所述第二去耦单元包括第二电感和第一电容，所述第一电容串联于所述第二馈点及所述天线调谐开关之间，所述第二电感串联与所述天线调谐开关和金属地板之间。
其中，所述第二电感值为100nH，所述第一电容值为0Ω。
其中，所述天线调谐开关包括多路调谐开关和天线调谐器，所述天线调谐器用于调节所述射频信号和所述金属天线之间的阻抗匹配，所述多路调谐开关用于切换谐振频率。
其中，所述天线调谐开关还包括与基带连接的BPI接口。
其中，所述传感器模块包括传感器芯片及与基带连接的GPIO接口。
基于上述，本申请实施例还提供一种移动终端，该移动终端包括上述的天线系统。
请参阅图3，图3为本申请实施例提供的移动终端的结构示意图。移动终端10可以包括壳体11、显示屏12、电路板13、电池14。需要说明的是，移动终端10并不限于以上内容。
其中，壳体11可以形成移动终端10的外部轮廓。在一些实施例中，壳体11可以为金属壳体，比如镁合金、不锈钢等金属。需要说明的是，本申请实施例壳体11的材料并不限于此，还可以采用其它方式，比如：壳体11可以为塑胶壳体、陶瓷壳体、玻璃壳体等。
其中，显示屏12安装在壳体11中。显示屏12电连接至电路板13上，以形成移动终端10的显示面。在一些实施例中，移动终端10的显示面可以设置非显示区域，比如：移动终端10的顶端或/和底端可以形成非显示区域，即移动终端10在显示屏12的上部或/和下部形成非显示区域，移动终端10可以在非显示区域安装摄像头、受话器等器件。需要说明的是，移动终端10的显示面也可以不设置非显 示区域，即显示屏12可以为全面屏。可以将显示屏铺设在移动终端10的整个显示面，以使得显示屏可以在移动终端10的显示面进行全屏显示。
其中，显示屏12可以为规则的形状，比如长方体结构、圆角矩形结构，显示屏12也可以为不规则的形状。
其中，显示屏12可以为液晶显示器，有机发光二极管显示器，电子墨水显示器，等离子显示器，使用其它显示技术的显示器中一种或者几种的组合。显示屏12可以包括触摸传感器阵列(即，显示屏12可以是触控显示屏)。触摸传感器可以是由透明的触摸传感器电极(例如氧化铟锡(ITO)电极)阵列形成的电容式触摸传感器，或者可以是使用其它触摸技术形成的触摸传感器，例如音波触控，压敏触摸，电阻触摸，光学触摸等，本申请实施例不作限制。
需要说明的是，在一些实施例中，可以在显示屏12上盖设一盖板，盖板可以覆盖在显示屏12上，对显示屏12进行保护。盖板可以为透明玻璃盖板，以便显示屏12透过盖板进行显示。在一些实施例中，盖板可以是用诸如蓝宝石等材料制成的玻璃盖板。
在一些实施例中，显示屏12安装在壳体11上后，壳体11和显示屏12之间形成收纳空间，收纳空间可以收纳移动终端10的器件，比如电路板13、电池等。
其中，电路板13安装在壳体11中，电路板13可以为移动终端10的主板，电路板13上可以集成有马达、麦克风、扬声器、耳机接口、通用串行总线接口、摄像头、距离传感器、环境光传感器、受话器以及处理器等功能器件中的一个、两个或多个。
在一些实施例中，电路板13可以固定在壳体11内。具体的，电路板13可以通过螺钉螺接到壳体11上，也可以采用卡扣的方式卡配到壳体11上。需要说明的是，本申请实施例电路板13具体固定到壳体11上的方式并不限于此，还可以其它方式，比如通过卡扣和螺钉共同固定的方式。
其中，电池14安装在壳体11中，电池11与电路板13进行电连接，以向移动终端10提供电源。壳体11可以作为电池14的电池盖。壳体11覆盖电池14以保护电池14，减少电池14由于移动终端10的碰撞、跌落等而受到的损坏。
在一些实施例中，电池11可以为镍镉电池、锂离子电池或者其他类型的电池。 电池数量可以为一个或多个。电池形状可以为方形、条形或者其他形状，实际应用中，其形状可根据移动终端本身的内部结构进行设定，本申请对此不做限定。
在上述实施例中，对各个实施例的描述都各有侧重，某个实施例中没有详述的部分，可以参见其他实施例的相关描述。
以上对本申请实施例所提供的一种天线系统及移动终端进行了详细介绍，本文中应用了具体个例对本申请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申请的技术方案及其核心思想；本领域的普通技术人员应当理解：其依然可以对前述各实施例所记载的技术方案进行修改，或者对其中部分技术特征进行等同替换；而这些修改或者替换，并不使相应技术方案的本质脱离本申请各实施例的技术方案的范围。

Claims (16)

  1. 一种天线系统，其包括：
    金属天线，所述金属天线具有一第一馈点及第二馈点；
    射频模块，所述第一馈点连接所述射频模块；
    天线调谐开关，所述第二馈点连接所述天线调谐开关；其中，
    在所述第二馈点及所述天线调谐开关之间还并联有一传感器模块。
  2. 根据权利要求1所述的天线系统，其中，在所述传感器模块与所述第二馈点之间串联有一第一去耦单元，所述第一去耦单元用于隔离所述射频模块发射的射频信号对所述传感器模块的干扰。
  3. 根据权利要求2所述的天线系统，其中，所述第一去耦单元包括第一电感，所述第一电感值为440nH。
  4. 根据权利要求1所述的天线系统，其中，在所述第二馈点及所述天线调谐开关之间设置有第二去耦单元，所述第二去耦单元用于隔离所述传感器模块的信号对所述天线调谐开关的干扰。
  5. 根据权利要求4所述的天线系统，其中，所述第二去耦单元包括第二电感和第一电容，所述第一电容串联于所述第二馈点及所述天线调谐开关之间，所述第二电感串联与所述天线调谐开关和金属地板之间。
  6. 根据权利要求5所述的天线系统，其中，所述第二电感值为100nH，所述第一电容值为0Ω。
  7. 根据权利要求2所述的天线系统，其中，所述天线调谐开关包括多路调谐开关和天线调谐器，所述天线调谐器用于调节所述射频信号和所述金属天线之间的阻抗匹配，所述多路调谐开关用于切换谐振频率。
  8. 根据权利要求7所述的天线系统，其中，所述天线调谐开关还包括与基带连接的BPI接口。
  9. 根据权利要求8所述的天线系统，其中，所述传感器模块包括传感 器芯片及与基带连接的GPIO接口。
  10. 一种移动终端，其中，所述移动终端天线系统，所述天线系统包括：
    金属天线，所述金属天线具有一第一馈点及第二馈点；
    射频模块，所述第一馈点连接所述射频模块；
    天线调谐开关，所述第二馈点连接所述天线调谐开关；其中，
    在所述第二馈点及所述天线调谐开关之间还并联有一传感器模块，在所述传感器模块与所述第二馈点之间串联有一第一去耦单元，所述第一去耦单元用于隔离所述射频模块发射的射频信号对所述传感器模块的干扰，在所述第二馈点及所述天线调谐开关之间设置有第二去耦单元，所述第二去耦单元用于隔离所述传感器模块的信号对所述天线调谐开关的干扰。
  11. 根据权利要求10所述的移动终端，其中，所述第一去耦单元包括第一电感，所述第一电感值为440nH。
  12. 根据权利要求10所述的移动终端，其中，所述第二去耦单元包括第二电感和第一电容，所述第一电容串联于所述第二馈点及所述天线调谐开关之间，所述第二电感串联与所述天线调谐开关和金属地板之间。
  13. 根据权利要求12所述的移动终端，其中，所述第二电感值为100nH，所述第一电容值为0Ω。
  14. 根据权利要求10所述的移动终端，其中，所述天线调谐开关包括多路调谐开关和天线调谐器，所述天线调谐器用于调节所述射频信号和所述金属天线之间的阻抗匹配，所述多路调谐开关用于切换谐振频率。
  15. 根据权利要求14所述的移动终端，其中，所述天线调谐开关还包括与基带连接的BPI接口。
  16. 根据权利要求15所述的移动终端，其中，所述传感器模块包括传感器芯片及与基带连接的GPIO接口。
PCT/CN2020/075930 2019-12-27 2020-02-20 天线系统及移动终端 WO2021128549A1 (zh)

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