CN107895844B - Antenna integrated configuration and mobile terminal - Google Patents

Antenna integrated configuration and mobile terminal Download PDF

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Publication number
CN107895844B
CN107895844B CN201711050932.7A CN201711050932A CN107895844B CN 107895844 B CN107895844 B CN 107895844B CN 201711050932 A CN201711050932 A CN 201711050932A CN 107895844 B CN107895844 B CN 107895844B
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China
Prior art keywords
antenna
mimo system
pin
mobile terminal
antennas
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CN201711050932.7A
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Chinese (zh)
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CN107895844A (en
Inventor
李东明
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Vivo Mobile Communication Co Ltd
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Vivo Mobile Communication Co Ltd
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/44—Details of, or arrangements associated with, antennas using equipment having another main function to serve additionally as an antenna, e.g. means for giving an antenna an aesthetic aspect
    • H01Q1/46—Electric supply lines or communication lines
    • 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
    • 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
    • H01Q23/00—Antennas with active circuits or circuit elements integrated within them or attached to them
    • 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
    • H01Q5/50—Feeding or matching arrangements for broad-band or multi-band operation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
    • H04M1/026—Details of the structure or mounting of specific components

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Computer Hardware Design (AREA)
  • General Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Support Of Aerials (AREA)
  • Telephone Set Structure (AREA)

Abstract

The invention provides an antenna combination structure and a mobile terminal. Wherein, this antenna integrated configuration includes: the antenna is a pin on the earphone socket; at least one antenna matching circuit, wherein each antenna matching circuit is respectively connected with one antenna; an antenna feed connected with the at least one antenna matching circuit. In the embodiment of the invention, the pin on the earphone socket is used as the antenna to transmit and/or receive the antenna signal, so that no additional space is needed for arranging the antenna, and the space on the mobile terminal is saved.

Description

Antenna integrated configuration and mobile terminal
Technical Field
The invention relates to the technical field of communication, in particular to an antenna combination structure and a mobile terminal.
Background
An antenna on a mobile terminal is used to receive and/or transmit wireless signals, and is an essential structure for the mobile terminal to perform wireless communication. In order to further improve communication quality, at present, an antenna system is usually designed by using a MIMO (Multiple-Input Multiple-Output) technology, that is, a transmitting end and a receiving end respectively use a plurality of transmitting antennas and receiving antennas, so that signals are transmitted and received through the plurality of antennas of the transmitting end and the receiving end. In a MIMO system (e.g., a main antenna MIMO system, a WIFI MIMO system, etc.) designed by using MIMO technology, in order to improve communication quality, more and more antennas are required, for example, 2 antennas are required for a 2 × 2MIMO mobile terminal, and 4 antennas are required for 4 × 4 MIMO.
In the prior art, an antenna is usually arranged on a metal rear cover of a mobile terminal. With the increasing number of antennas required by the MIMO system, and in order to ensure the appearance of the mobile terminal, the space for arranging the antennas on the mobile terminal is less and less, so that it is difficult for each mobile terminal to ensure that there is enough space for arranging the antennas in the MIMO system, which limits the improvement of the communication quality of the mobile terminal.
Disclosure of Invention
The embodiment of the invention provides an antenna combination structure and a mobile terminal, and aims to solve the problem that in the prior art, due to the fact that the space on the mobile terminal is limited, the arrangement of antennas in an MIMO system on the mobile terminal is difficult to guarantee.
In order to solve the technical problem, the invention is realized as follows:
according to an aspect of the embodiments of the present invention, there is provided an antenna combination structure applied to a mobile terminal, including: the antenna is a pin on the earphone socket; at least one antenna matching circuit, wherein each antenna matching circuit is respectively connected with one antenna; an antenna feed connected with the at least one antenna matching circuit.
According to another aspect of the embodiments of the present invention, there is provided a mobile terminal including the antenna combination structure as described above.
In the embodiment of the invention, the pin on the earphone socket is used as the antenna to transmit and/or receive the antenna signal, so that no additional space is needed for arranging the antenna, and the space on the mobile terminal is saved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments of the present invention will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without inventive labor.
Fig. 1 is a schematic diagram of an antenna assembly structure according to an embodiment of the present invention;
fig. 2 is a second schematic diagram of an antenna assembly structure according to an embodiment of the present invention;
fig. 3 is a third schematic diagram illustrating an antenna assembly structure according to an embodiment of the present invention;
fig. 4 is a fourth schematic diagram illustrating an antenna assembly structure according to an embodiment of the present invention;
fig. 5 is a fifth schematic diagram illustrating an antenna assembly structure according to an embodiment of the present invention;
fig. 6 shows a sixth schematic diagram of an antenna assembly structure according to an embodiment of the present invention;
fig. 7 shows a seventh schematic diagram of an antenna assembly structure according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
According to an aspect of the embodiments of the present invention, an antenna combination structure is provided, which is applied to a mobile terminal.
As shown in fig. 1, the antenna combination structure includes: at least one antenna, at least one antenna matching circuit 2 and at least one antenna feed 3. Wherein the antenna is here a pin 1 on the earphone socket 7.
Wherein the antenna is used for transmitting and/or receiving wireless signals. The antenna matching circuit 2 is used to adjust the resonance of the antenna, so that the antenna can work in a desired frequency band, such as a low frequency band, a middle frequency band, or a high frequency band. The antenna feed 3 is a primary radiator of the antenna, and is an important device for determining the electrical characteristics and frequency bands of the antenna. In the embodiment of the invention, the antenna feed source 3 is connected with the antenna matching circuits 2, and each antenna matching circuit 2 is respectively connected with one antenna. Wherein the antenna feed is also grounded.
In the embodiment of the invention, the pin 1 on the earphone socket 7 is used as an antenna to transmit and/or receive antenna signals, so that no additional space is needed for arranging the antenna, and the space on the mobile terminal is saved.
Wherein, pin 1 on the earphone socket 7 includes: a microphone pin (wherein the microphone is colloquially referred to as a microphone), a ground pin, a left channel pin and a right channel pin, where the antenna may be at least one of the pins 1 on the aforementioned earphone socket 7, i.e. the antenna comprises: at least one of a microphone pin, a ground pin, a left channel pin, and a right channel pin in the earphone socket 7.
Preferably, the antenna is at least one of a microphone pin and a ground pin. Since the microphone pin and the ground pin are closer to the edge of the earphone jack on the earphone socket 7 and closer to the outside than the left channel pin and the right channel pin, transmission and/or reception of an antenna signal is facilitated.
It should be noted that, when an earphone plug is inserted into the earphone socket 7, the performance of the pin 1 on the earphone socket 7 as an antenna is affected, so that when the earphone plug is inserted into the earphone socket 7, the antenna can be controlled to be turned off through a software algorithm; when detecting that the earphone plug is not plugged in the earphone socket 7, controlling the antenna to start through a software algorithm. Further, in order to avoid that this situation affects the normal operation of the antenna system, the antenna may be used as a backup antenna in the MIMO system.
Further, as shown in fig. 2, when the antenna is a microphone pin, a left channel pin or a right channel pin, a first isolation circuit 4 for blocking an audio signal and conducting an antenna signal is further connected between the antenna and the antenna matching circuit 2 connected thereto; a second isolation circuit 5 for blocking the antenna signal and conducting the audio signal is connected between the antenna and the audio integrated circuit 6 connected with the antenna.
Because the microphone pin, the left channel pin and the right channel pin on the earphone socket 7 are also connected with the audio integrated circuit 6 on the mobile terminal, in order to separate the audio signal from the antenna signal, the antenna (i.e. the microphone pin, the left channel pin or the right channel pin) is connected with the antenna matching circuit 2 corresponding to the antenna pin through the first isolation circuit 4, and the first isolation circuit 4 can block the audio signal and conduct the antenna signal, so that the audio signal is prevented from flowing into the antenna feed source 3; the antenna is also connected with the audio integrated circuit 6 through a second isolation circuit 5, and the second isolation circuit 5 can block the antenna signal and conduct the audio signal, so that the antenna signal is prevented from flowing into the audio integrated circuit 6.
Preferably, as shown in fig. 3, the first isolation circuit 4 is a capacitor 401, and the second isolation circuit 5 is an inductor 501.
The capacitance 401, which is described here, has a capacitance value greater than or equal to 50PF, and can perform a disconnection function for the audio signal and perform a conduction function for the antenna signal, thereby preventing the audio signal from flowing into the antenna feed 3. The inductance value of the inductor 501 is greater than or equal to 68NH, and the inductor is short-circuited for audio signals and plays a role in conduction; a high impedance is presented to the antenna signal, acting as a disconnect, preventing the antenna signal from flowing into the audio integrated circuit 6.
Thus, it can be ensured that the antenna signal flows between the pin 1 and the antenna feed 3 without entering the audio integrated circuit 6, and that the audio signal flows between the pin 1 and the audio integrated circuit 6 without entering the antenna feed 3.
Further, the antenna described in the embodiment of the present invention is an antenna in a main antenna MIMO system and/or an antenna in a WIFI MIMO system, that is, not only can the pin 1 on the earphone socket 7 be used as an antenna in the main antenna MIMO system, but also the pin 1 on the earphone socket 7 can be used as an antenna in the WIFI MIMO system, and also a part of the pins 1 on the earphone socket 7 can be used as antennas in the main antenna MIMO system, and a part of the pins 1 can be used as antennas in the WIFI MIMO system, and the specific situation can be designed according to actual requirements.
Further, when at least two antennas in the antenna combination structure in the embodiment of the present invention are formed as antennas in a main antenna MIMO system or as antennas in a WIFI MIMO system, the antenna combination structure further includes: a combiner 8.
When at least two pins 1 on the earphone socket 7 are used as antennas in a main antenna MIMO system or antennas in a WIFI MIMO system, each pin 1 can be controlled to operate in different frequency bands, so that the bandwidth of the antenna system is increased, in addition, in order to reduce the occupation of the antenna system on space, one antenna feed source 3 can be shared for signals (antenna signals, WIFI signals and the like) of the same type, and the combiner 8 can enable the antennas of different frequencies to operate simultaneously.
Specifically, when at least two antennas are formed as antennas in the main antenna MIMO system, the input terminals of the combiner 8 are connected to the antenna feeds 3 in the main antenna MIMO system, and the output terminals of the combiner 8 are connected to all the antenna matching circuits 2 connected to the antennas formed in the main antenna MIMO system, respectively.
Specifically, when at least two antennas are formed as antennas in the WIFI MIMO system, the input end of the combiner 8 is connected to the antenna feed 3 in the WIFI MIMO system, and the output end of the combiner 8 is connected to all the antenna matching circuits 2 connected to the antennas formed in the WIFI MIMO system, respectively.
As shown in fig. 4, in order to obtain a schematic structural diagram when two pins among a microphone pin, a left channel pin, and a right channel pin on the earphone socket 7 are used as an antenna in a main antenna MIMO system or an antenna in a WIFI MIMO system, the two antenna matching circuits 2 in the diagram are connected to the antenna feed 3 in the main antenna MIMO system or the antenna feed 3 in the WIFI MIMO system through the combiner 8. As shown in fig. 5, in order to obtain a schematic structural diagram when one of the microphone pin, the left channel pin, and the right channel pin on the earphone socket 7 and the ground pin are used as an antenna in the main antenna MIMO system or an antenna in the WIFI MIMO system, the two antenna matching circuits 2 in the diagram are connected to the antenna feed 3 in the main antenna MIMO system or the antenna feed 3 in the WIFI MIMO system through the combiner 8.
Specifically, the antenna matching circuit 2 may be connected to the output terminal of the combiner 8 through a 50-ohm impedance line.
Further, when the pins 1 on the earphone jack 7 are respectively formed as an antenna in the main antenna MIMO system and an antenna in the WIFI MIMO system, the antenna combination structure further includes: a first antenna feed 301 and a second antenna feed 302.
The first antenna feed 301 is an antenna feed in the MIMO system, and the second antenna feed 023 is an antenna feed in the WiFi system.
Wherein the antenna matching circuit 2 connected to an antenna formed as in the main antenna MIMO system is connected to the first antenna feed 301; the antenna matching circuit 2 connected to an antenna formed in the WiFi MIMO system is connected to the second antenna feed 302.
As shown in fig. 6, a schematic structural diagram of the earphone socket 7 when two pins of the microphone pin, the left channel pin, and the right channel pin are used as an antenna in the main antenna MIMO system and an antenna in the WIFI MIMO system, respectively. As shown in fig. 7, a schematic structural diagram of the earphone socket 7 when one of the microphone pin, the left channel pin, and the right channel pin is used as an antenna in the main antenna MIMO system and the ground pin is used as an antenna in the WIFI MIMO system is shown.
Further, each antenna is connected to the corresponding antenna matching Circuit 2 by a PCB (Printed Circuit Board) line disposed within a clearance area of the PCB Board.
The length of the antenna required by different antennas is different, and the lower the frequency is, the longer the antenna is required, so in order to optimize the bandwidth of the antenna system, the pin 1 used as the antenna can be connected with the PCB line, and the length of the pin 1 is extended. The PCB lines are routed on the PCB and are positioned in the clearance area of the PCB. The length of the PCB wire can be selected according to actual requirements.
In summary, in the embodiment of the present invention, the pin 1 on the earphone socket 7 is used as an antenna to transmit and/or receive an antenna signal, so that an additional space is not required to arrange the antenna, and the space on the mobile terminal is saved. Especially for the MIMO system, the pin 1 on the earphone socket 7 is used as an antenna in the MIMO system, which not only reduces the space required for arranging the antenna, but also ensures the performance of the MIMO system, and is beneficial to the improvement of the wireless communication quality of the mobile terminal.
According to another aspect of the embodiments of the present invention, a mobile terminal is provided. The mobile terminal comprises the antenna combination structure.
Specifically, the mobile terminal is a mobile phone, a tablet computer, a Personal Digital Assistant (PDA), or a vehicle-mounted computer.
In the mobile terminal, the pin 1 on the earphone socket 7 is used as an antenna to transmit and/or receive antenna signals, so that no additional space is needed for arranging the antenna, and the space on the mobile terminal is saved. Especially for the MIMO system, the pin 1 on the earphone socket 7 is used as an antenna in the MIMO system, which not only reduces the space required for arranging the antenna, but also ensures the performance of the MIMO system, and is beneficial to the improvement of the wireless communication quality of the mobile terminal.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically connected, electrically connected or can communicate with each other; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
The embodiments in the present specification are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
While preferred embodiments of the present invention have been described, additional variations and modifications of these embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all such alterations and modifications as fall within the scope of the embodiments of the invention.
Finally, it should also be noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or terminal that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or terminal. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or terminal that comprises the element.
While the preferred embodiments of the present invention have been described, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention as defined in the following claims.

Claims (8)

1. An antenna composite structure is applied to a mobile terminal, and is characterized by comprising:
the antenna is a pin on the earphone socket;
at least one antenna matching circuit, wherein each antenna matching circuit is respectively connected with one antenna;
an antenna feed connected to the at least one antenna matching circuit;
when detecting that an earphone plug is inserted into the earphone socket, controlling the antenna to be closed, and when detecting that the earphone plug is not inserted into the earphone socket, controlling the antenna to be started;
the at least one antenna is an antenna in a main antenna multi-input multi-output MIMO system and/or an antenna in a WIFI MIMO system;
each antenna is connected with the corresponding antenna matching circuit through a PCB (printed circuit board) line, wherein the PCB line is arranged in a clearance area of the PCB.
2. The antenna assembly of claim 1, wherein the antenna comprises: at least one of a microphone pin, a ground pin, a left channel pin, and a right channel pin in the headset receptacle.
3. The antenna assembly structure of claim 1, wherein when the antenna is a microphone pin, a left channel pin or a right channel pin, a first isolation circuit is connected between the antenna and the antenna matching circuit connected thereto;
and a second isolating circuit is connected between the antenna and the audio integrated circuit connected with the antenna.
4. An antenna assembly in accordance with claim 3 wherein said first isolation circuit is a capacitor; the second isolation circuit is an inductor.
5. An antenna combination according to claim 1, wherein when at least two antennas in the antenna combination are formed as antennas in a main antenna MIMO system or as antennas in a WIFI MIMO system, the antenna combination further comprises: a combiner;
the input end of the combiner is connected with an antenna feed source in a main antenna MIMO system or an antenna feed source in a WIFI MIMO system;
the output end of the combiner is respectively connected with all antenna matching circuits connected with the antennas in the main antenna MIMO system or respectively connected with all antenna matching circuits connected with the antennas in the WIFI MIMO system.
6. An antenna assembly according to claim 1, wherein when the at least one antenna is formed as an antenna in a main antenna MIMO system and an antenna in a WIFI MIMO system, respectively, the antenna assembly further comprises: a first antenna feed and a second antenna feed;
the antenna matching circuit is connected with an antenna in a primary antenna MIMO system and is connected with the first antenna feed source, wherein the first antenna feed source is the antenna feed source in the primary antenna MIMO system;
and the antenna matching circuit is connected with the antenna in the WiFi MIMO system and is connected with the second antenna feed source, wherein the second antenna feed source is the antenna feed source in the WiFi MIMO system.
7. A mobile terminal, comprising: an antenna assembly structure according to any of claims 1 to 6.
8. The mobile terminal of claim 7, wherein the mobile terminal is a mobile phone, a tablet computer, a personal digital assistant, or a vehicle-mounted computer.
CN201711050932.7A 2017-10-31 2017-10-31 Antenna integrated configuration and mobile terminal Active CN107895844B (en)

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CN108832313B (en) * 2018-05-28 2021-03-02 Oppo广东移动通信有限公司 Electronic device
CN112201930B (en) * 2020-09-27 2022-08-02 珠海格力电器股份有限公司 Antenna equipment of mobile terminal, control method and device thereof and mobile terminal

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JP4087394B2 (en) * 2005-06-09 2008-05-21 株式会社東芝 Linear antenna and antenna system
CN201466210U (en) * 2009-06-03 2010-05-12 北京昆天科微电子技术有限公司 Metal object used as antenna plug and electronic device
CN104253308A (en) * 2013-06-28 2014-12-31 深圳富泰宏精密工业有限公司 Antenna and wireless communication device
CN204424444U (en) * 2015-02-02 2015-06-24 联想(北京)有限公司 A kind of earphone jack base and electronic equipment
CN106129627B (en) * 2016-08-15 2018-06-19 广东欧珀移动通信有限公司 Antenna assembly and electric terminal

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