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CN107834200A - A kind of antenna assembly and mobile terminal for mobile terminal - Google Patents

A kind of antenna assembly and mobile terminal for mobile terminal Download PDF

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Publication number
CN107834200A
CN107834200A CN201710894375.0A CN201710894375A CN107834200A CN 107834200 A CN107834200 A CN 107834200A CN 201710894375 A CN201710894375 A CN 201710894375A CN 107834200 A CN107834200 A CN 107834200A
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CN
China
Prior art keywords
antenna
frequency range
isolated part
radio frequency
frequency unit
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
CN201710894375.0A
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Chinese (zh)
Inventor
孙志刚
胡育根
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hisense Mobile Communications Technology Co Ltd
Original Assignee
Hisense Mobile Communications Technology Co Ltd
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 Hisense Mobile Communications Technology Co Ltd filed Critical Hisense Mobile Communications Technology Co Ltd
Priority to CN201710894375.0A priority Critical patent/CN107834200A/en
Publication of CN107834200A publication Critical patent/CN107834200A/en
Pending legal-status Critical Current

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Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00Details of, or arrangements associated with, antennas
    • H01Q1/52Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure
    • H01Q1/521Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure reducing the coupling between adjacent antennas

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  • Variable-Direction Aerials And Aerial Arrays (AREA)
  • Transceivers (AREA)

Abstract

The embodiment of the invention discloses a kind of antenna assembly and mobile terminal for mobile terminal.Wherein, antenna assembly includes first antenna, the second antenna, switching switch, radio frequency unit and at least two metal isolated parts;First antenna and the second antenna are connected with the radio frequency unit, and at least two metals isolated part is located between the first antenna and second antenna, one end ground connection of the switching switch;When the first antenna and second Antenna Operation are in identical frequency range, the radio frequency unit is used to control the other end of the switching switch to be connected to metal isolated part corresponding with the frequency range at least two metals isolated part, to isolate the signal of the frequency range.In the present invention, control switching switch to be connected to the different metal isolated part being arranged between antenna by radio frequency unit, realize the signal of isolation different frequency range, so as to reduce the interference between the antenna for working in multiple frequency range, improve the communication quality of antenna.

Description

A kind of antenna assembly and mobile terminal for mobile terminal
Technical field
The application is related to the communications field, more particularly to a kind of antenna assembly and mobile terminal for mobile terminal.
Background technology
At present, the communication technology is more and more wider in the application of the various aspects such as household electrical appliances, wearable product and data acquisition equipment General, the various terminals for being provided with communication system are arisen at the historic moment.Accordingly, requirement of the terminal user to the communication quality of terminal Increasingly improve.
In order to meet the needs of user is to communication quality, in current multiple terminal, multiple antennas are often provided with. For example, in some terminals, pass through MIMO (Multiple-Input Multiple-Output, MIMO technique) skill Art sets antenna in the terminal.Wherein, MIMO technology refers to setting multiple transmittings respectively in the transmitting terminal and receiving terminal of terminal Antenna and reception antenna, sending and receiving for signal of communication is carried out by multiple transmitting antennas and reception antenna, it is logical to improve Believe quality and efficiency of transmission.
In addition, set the distance between each strip antenna in the terminal generally relatively near, in this case, if two strip antennas work It would generally be interfered with each other between similar frequency bands, this two strip antenna.In the prior art, in order to reduce the interference between antenna, lead to One isolated part, such as isolating bar are often set between two strip antennas interfered with each other.Pass through the isolated part, it is possible to increase this Isolation between two strip antennas, reduce the interference between this two strip antenna.
But inventor has found in the research process of the application, under different operating scene, the frequency range meeting of Antenna Operation Change, and the isolated part set in the prior art only plays preferably to the antenna being operated under the frequency range of some fixation Buffer action, after the frequency range of Antenna Operation changes, then can not play buffer action, can not reduce dry between antenna Disturb, therefore can not meet Antenna Operation in the multiple frequency range the needs of.For example, if antenna 1 and antenna 2 are operated in 1200MHz's Frequency range, can interfere with each other between this two strip antenna, way of the prior art be set between antenna 1 and antenna 2 one every From part, the signal of 1200MHz frequency ranges is isolated by the isolated part, to improve the isolation between antenna 1 and antenna 2, is subtracted Interference between this few two strip antenna.But after the conversion of the operative scenario of antenna 1 and antenna 2, antenna 1 and antenna 2 may works Make in other frequency ranges, the frequency range as being operated in 2400MHz, in this case, because isolated part can not isolate 2400MHz frequencies The signal of section, therefore larger interference is still suffered between antenna 1 and antenna 2.
The content of the invention
The embodiment of the present invention discloses a kind of antenna assembly and mobile terminal for mobile terminal, to solve in the prior art The isolated part set between antennas can only isolate the signal of fixed frequency range, and the antenna that be operated in multiple frequency ranges can not be played The problem of buffer action.
The first aspect of the present invention, discloses a kind of antenna assembly for mobile terminal, including first antenna, second day Line, switching switch, radio frequency unit and at least two metal isolated parts;
The first antenna and second antenna are connected with the radio frequency unit, at least two metals isolation part Part is located between the first antenna and second antenna, one end ground connection of the switching switch;
When the first antenna and second Antenna Operation are in identical frequency range, the radio frequency unit is used to control institute The other end for stating switching switch is connected to metal isolation part corresponding with the frequency range at least two metals isolated part Part, to isolate the signal of the frequency range.
Optionally, at least two metals isolated part is located at the different layers of pcb board.
First aspect present invention discloses a kind of antenna assembly for mobile terminal, and the device includes first antenna, Two antennas, switching switch, radio frequency unit and at least two metal isolated parts.Wherein, different metal isolated parts is used for Isolate the signal of different frequency range, when first antenna and the second antenna are operated in frequency range A, under the control of radio frequency unit, energy Switching switch is enough set to be connected to metal isolated part corresponding with frequency range A at least two metals isolated part, with isolation Frequency range A signal, existing interference between frequency range A first antenna and the second antenna is operated in so as to reduce;Similarly, when When first antenna and the second antenna are operated in frequency range B, under the control of radio frequency unit, it can be connected to switching switch described Metal isolated part corresponding with frequency range B at least two metal isolated parts, to isolate frequency range B signal, so as to reduce It is operated in existing interference between frequency range B first antenna and the second antenna.In the present invention, switching is controlled to open by radio frequency unit Connection is connected to the different metal isolated part being arranged between antenna, the signal of isolation different frequency range is realized, so as to reduce work Make in the interference between the antenna of multiple frequency range, improve the communication quality of antenna.
The second aspect of the present invention, discloses a kind of antenna assembly for mobile terminal, including first antenna, second day Line, switching switch, radio frequency unit and metal isolated part;
The first antenna and second antenna are connected with the radio frequency unit, and the metal isolated part is located at institute State between first antenna and second antenna, one end ground connection of the switching switch;
When the first antenna and second Antenna Operation are in identical frequency range, the radio frequency unit is used to control institute The other end for stating switching switch is connected to position corresponding with the frequency range in the metal isolated part, to isolate the frequency range Signal.
Second aspect of the present invention discloses a kind of antenna assembly for mobile terminal, and the device includes:First antenna, Two antennas, switching switch, radio frequency unit and metal isolated part.When the first antenna and second Antenna Operation are in phase With frequency range when, under the control of radio frequency unit, can make switching switch be connected in metal isolated part and the frequency range pair The position answered, to isolate the signal of the frequency range.When switching switch is connected to the diverse location in metal isolated part, connection The impedance of metal isolated part into circuit is different, can isolate the signal of different frequency range, i.e., can produce different isolation effects Fruit, so as to reduce the interference being operated between the antenna of each frequency range.In the present invention, switching is controlled to open by radio frequency unit Connection is connected to the diverse location of metal isolated part, realizes the signal of isolation different frequency range, so as to reduce work in it is a variety of Interference between the antenna of frequency range, improve the communication quality of antenna.
The third aspect of the present invention, discloses a kind of antenna assembly for mobile terminal, including first antenna, second day Line, switching switch, radio frequency unit, metal isolated part and at least two impedance matching circuits;
The first antenna and second antenna are connected with the radio frequency unit, and the metal isolated part is located at institute State between first antenna and second antenna, it is described switching switch one end be connected with the metal isolated part, it is described extremely One end of few two impedance matching circuits is grounded;
When the first antenna and second Antenna Operation are in identical frequency range, the radio frequency unit is used to control institute The other end for stating switching switch is connected to impedance matching electricity corresponding with the frequency range at least two impedance matching circuit The other end on road, to isolate the signal of the frequency range.
Optionally, at least two impedance matching circuit includes at least one of following:Inductance, electric capacity and resistance.
Third aspect present invention discloses a kind of antenna assembly for mobile terminal, and the device includes:First antenna, Two antennas, switching switch, radio frequency unit, metal isolated part and at least two impedance matching circuits.When the first antenna With second Antenna Operation in identical frequency range, under the control of radio frequency unit, switching switch can be made to be connected to and institute Impedance matching circuit corresponding to frequency range is stated, to isolate the signal of the frequency range.When switching switch is connected to different impedance matchings During circuit, metal isolated part connects from different impedance matching circuits, can isolate the signal of different frequency range, i.e., can produce not Same isolation effect, so as to reduce the interference being operated between the antenna of each frequency range.In the present invention, pass through radio frequency unit Control switching switch causes metal isolated part to be connected from different impedance matching circuits, realizes the letter of isolation different frequency range Number, so as to reduce the interference between the antenna for working in multiple frequency range, improve the communication quality of antenna.
The fourth aspect of the present invention, discloses a kind of antenna assembly for mobile terminal, including first antenna, second day Line, radio frequency unit, metal isolated part and impedance adjustable circuit;
The first antenna and second antenna are connected with the radio frequency unit, and the metal isolated part is located at institute State between first antenna and second antenna, one end of the impedance adjustable circuit is connected with the metal isolated part, separately One end is grounded;
When the first antenna and second Antenna Operation are in identical frequency range, the radio frequency unit is used to adjust institute The impedance of impedance adjustable circuit is stated, to isolate the signal of the frequency range.
Optionally, the impedance adjustable circuit includes at least one of following:Controllable impedance, tunable capacitor and adjustable electric Resistance.
Fourth aspect present invention discloses a kind of antenna assembly for mobile terminal, and the device includes:First antenna, Two antennas, radio frequency unit, metal isolated part and impedance adjustable circuit.When the first antenna and second Antenna Operation In identical frequency range, radio frequency unit is used for the impedance for adjusting impedance adjustable circuit, to isolate the signal of the frequency range.Work as metal When isolated part connects from the impedance adjustable circuit of different impedances, the signal of different frequency range can be isolated, i.e., can be produced different Isolation effect, so as to reduce the interference being operated between the antenna of each frequency range.In the present invention, adjusted by radio frequency unit The impedance for the impedance adjustable circuit being connected with metal isolated part, the signal of isolation different frequency range is realized, so as to reduce work Make in the interference between the antenna of multiple frequency range, improve the communication quality of antenna.
The fifth aspect of the present invention, a kind of mobile terminal is disclosed, the mobile terminal includes as above any one aspect institute The antenna assembly stated.
Fifth aspect present invention discloses a kind of mobile terminal.By setting antenna assembly in the terminal, can produce Raw different isolation effect, so as to reduce the interference being operated between the antenna of each frequency range, improve the logical of mobile terminal Believe quality.
Brief description of the drawings
In order to illustrate more clearly of the technical scheme of the application, letter will be made to the required accompanying drawing used in embodiment below Singly introduce, it should be apparent that, for those of ordinary skills, without having to pay creative labor, Other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is a kind of structural representation of antenna assembly for mobile terminal disclosed in first embodiment of the invention;
Fig. 2 is the part sectioned view of antenna assembly disclosed in first embodiment of the invention;
Fig. 3 is the structural representation of another antenna assembly for being used for mobile terminal disclosed in first embodiment of the invention;
Fig. 4 is a kind of structural representation of antenna assembly for mobile terminal disclosed in second embodiment of the invention;
Fig. 5 is the structural representation of another antenna assembly for being used for mobile terminal disclosed in second embodiment of the invention;
Fig. 6 is a kind of structural representation of antenna assembly for mobile terminal disclosed in third embodiment of the invention;
Fig. 7 is a kind of structural representation of antenna assembly for mobile terminal disclosed in fourth embodiment of the invention.
Embodiment
Below in conjunction with the accompanying drawings, embodiments of the invention are described.
Under different application scenarios, the antenna in mobile terminal can generally be operated in different frequency ranges.For example, antenna uses MIMO (Multiple-Input Multiple-Output, MIMO technique) wifi technologies are communicated, can be with Communicated using LTE (Long Term Evolution, Long Term Evolution) main diversity transmission mode, under both patterns, antenna It is operated in different frequency ranges.For the mobile terminal in different spaces, the base station communicated with is different, because This, for example outdoor or indoor in different spaces, the antenna in mobile terminal can also be operated in different frequency ranges.
The embodiment of the present invention discloses a kind of antenna assembly and mobile terminal for mobile terminal, to solve in the prior art The isolated part set between antennas can only isolate the signal of fixed frequency range, and the antenna that be operated in multiple frequency ranges can not be risen The problem of to buffer action.
First embodiment of the invention discloses a kind of antenna assembly for mobile terminal.Structural representation shown in Figure 1 Figure, the antenna assembly for mobile terminal include:First antenna 110, the second antenna 120, switching switch 130, radio frequency list The metal isolated part of member 140 and at least two.
Wherein, the quantity of metal isolated part is determined by the frequency range of first antenna in mobile terminal and the second antenna specific works It is fixed.For example, when surfing Internet with cell phone is utilized in certain company, two antennas in mobile phone are operated in frequency range A;In certain market During using same surfing Internet with cell phone, two antennas in mobile phone are operated in frequency range B;Using on same mobile phone on certain square During net, two antennas in mobile phone are operated in frequency range C;When utilizing same surfing Internet with cell phone at home, two days in mobile phone Line is operated in frequency range D;When utilizing same surfing Internet with cell phone at certain station, two antennas in mobile phone are operated in frequency range E.This When the quantity of metal isolated part can be set to 5.
4 metal isolated parts 150 are shown with the present embodiment, in Fig. 1, the antenna 120 of first antenna 110 and second is with penetrating Frequency unit 140 connects, one end ground connection of switching switch 130.
4 metal isolated parts 150 are located between the antenna 120 of first antenna 110 and second, to first antenna 110 and the Two antennas 120 play buffer action.Wherein, metal isolated part 150 can be the form such as isolating bar or isolation cabling, of the invention Embodiment is not construed as limiting to this, also, different metal isolated parts has different impedances, can isolate the letter of different frequency range Number, i.e., it can play different isolation effects.
When the antenna 120 of first antenna 110 and second is operated in identical frequency range A, radio frequency unit 140, which is used to control, to be switched The other end of switch 130 is connected to metal isolated part 150 corresponding with frequency range A, to isolate frequency range A signal.
Wherein, when the antenna 120 of first antenna 110 and second is operated in identical frequency range A, i.e. first antenna 110 and Two antennas 120 receive and dispatch frequency range A signal simultaneously, signal interference each other be present.In this case, lead in the embodiment of the present invention Cross the control switching of radio frequency unit 140 switch 130 and be connected to metal isolated part 150 corresponding with frequency range A, to isolate frequency range A's Signal, metal isolated part corresponding with frequency range A can be made to play buffer action to the antenna 120 of first antenna 110 and second, subtracted The interference lacked while be operated between the frequency range A antenna 120 of first antenna 110 and second.
For example, the impedance of the first metal isolated part is Z1, for isolating the signal of 960MHz frequency ranges;Second metal is isolated The impedance of part is Z2, for isolating the signal of 1200MHz frequency ranges;The impedance of 3rd metal isolated part is Z3, for isolating The signal of 1800MHz frequency ranges;The impedance of 4th metal isolated part is Z4, for isolating the signal of 2400MHz frequency ranges.When first When antenna and the second antenna are operated in 960MHz frequency range, radio frequency unit control switching switch the other end and the first metal every It is connected from part;When first antenna and the second antenna are operated in 1200MHz frequency range, radio frequency unit control switching switch The other end be connected with the second metal isolated part;When first antenna and the second antenna are operated in 1800MHz frequency range, The other end of radio frequency unit control switching switch is connected with the 3rd metal isolated part;When first antenna and the equal work of the second antenna Make in 2400MHz frequency range, the other end of radio frequency unit control switching switch is connected with the 4th metal isolated part.
In addition, being used for disclosed in the embodiment of the present invention in the antenna assembly of mobile terminal, switching switch can be a variety of Form, in wherein a kind of form, switching switch be single pole multiple throw, in this case, the single pole multiple throw it is motionless End ground connection, also, each moved end in the single pole multiple throw is respectively used to connect different metal isolated parts.In another kind In form, switching switch is the switch chip with multiple output ends, and radio frequency unit is used for the different outputs for enabling switch chip End, so that being connected to from the metal isolated part of different output ends connection in circuit.
In the embodiment of the present invention, by radio frequency unit control switching switch be connected to the different metal being arranged between antenna every From part, the signal of isolation different frequency range is realized, so as to reduce the interference between the antenna for working in multiple frequency range, is improved The communication quality of antenna.
Further, profile shown in Figure 2, the disclosed antenna assembly for being used for mobile terminal of the embodiment of the present invention In, 4 metal isolated parts 150 are arranged at the different layers on pcb board.
Wherein it is possible to each metal isolated part is separately positioned on to the different layers on pcb board, it is of course also possible to will Part metals isolated part is arranged on identical layer, and part metals isolated part is separately positioned on different layers.
The present embodiment can save each gold by the different layers being arranged at different metal isolated parts on pcb board Belong to isolated part shared space in the terminal.
Further, structural representation shown in Figure 3, in embodiments of the present invention, the first matching can also be set The match circuit 170 of circuit 160 and second, one end of the first match circuit 160 are connected with first antenna 110, and the other end is with penetrating The phase downlink connection of frequency unit 140, one end of the second match circuit 170 are connected with the second antenna 120, the other end and radio frequency unit 140 phase downlink connections.Wherein, the first and second match circuits can include inductance, resistance or electric capacity, for tuning metal isolation part The resonance band that part is isolated, improve the stability of antenna assembly.
In second embodiment of the invention, a kind of antenna assembly for mobile terminal is disclosed.Structure shown in Figure 4 Schematic diagram, antenna assembly include:First antenna 210, the second antenna 220, switching switch 230, radio frequency unit 240 and metal every From part 250.
Wherein, the antenna 220 of first antenna 210 and second is connected with radio frequency unit 240, a termination of switching switch 230 Ground.
Metal isolated part 250 was located between the antenna 220 of first antenna 210 and second, to first antenna 210 and second day Line 220 plays buffer action.Wherein, metal isolated part 250 can be the form of isolation cabling, certainly, metal isolated part 250 can also be other forms, and the embodiment of the present invention is not limited this.
When the antenna 220 of first antenna 210 and second is operated in identical frequency range, radio frequency unit 240, which is used to control, to be switched The other end of switch 230 is connected to position corresponding with the frequency range in metal isolated part 250, to isolate the letter of the frequency range Number.
Wherein, when the antenna 220 of first antenna 210 and second is operated in identical frequency range, first antenna 210 and second day Line 220 receives and dispatches the signal of similar frequency bands simultaneously, signal interference each other be present.In this case, lead in the embodiment of the present invention Cross the control switching of radio frequency unit 240 switch 230 and be connected to diverse location corresponding with different frequency range in metal isolated part 250. When switching switch is connected to the diverse location in metal isolated part, the impedance for the metal isolated part being connected in circuit is not Together, the signal of different frequency range can be isolated, i.e., can produce different isolation effects, so as to being operated in the of multiple frequency ranges One antenna 210 and the second antenna 220 play buffer action, reduce the interference between the antenna 220 of first antenna 210 and second, Improve the communication quality of antenna.
In addition, being used for disclosed in the embodiment of the present invention in the antenna assembly of mobile terminal, switching switch equally can also For diversified forms, such as single pole multiple throw or switch chip etc..In single pole multiple throw, moved end is not connected to ground, different Moved end can connect the diverse location of metal isolated part respectively.
Further, structural representation shown in Figure 5, in embodiments of the present invention, first can also be set With the match circuit 270 of circuit 260 and second, one end of the first match circuit 260 is connected with first antenna 210, the other end with The phase downlink connection of radio frequency unit 240, one end of the second match circuit 270 are connected with the second antenna 220, the other end and radio frequency unit 240 phase downlink connections.Wherein, the first and second match circuits are used to tune the resonance band that metal isolated part is isolated, and improve The stability of antenna assembly.
In third embodiment of the invention, a kind of antenna assembly for mobile terminal is disclosed.Structure shown in Figure 6 Schematic diagram, antenna assembly include:First antenna 310, the second antenna 320, switching switch 330, radio frequency unit 340, metal isolation The impedance matching circuit 360 of part 350 and at least two.
Wherein, it is similar with first embodiment of the invention, the quantity of impedance matching circuit by first antenna in mobile terminal and The frequency range of second antenna specific works determines.
4 impedance matching circuits 360 are shown with the present embodiment, in Fig. 6, wherein, the impedance of each impedance matching circuit is equal It is different.The antenna 320 of first antenna 310 and second is connected with radio frequency unit 340, and one end of switching switch 330 isolates with metal Part 350 is connected, and wherein one end of each impedance matching circuit 360 is grounded.
Metal isolated part 350 was located between the antenna 320 of first antenna 310 and second, to first antenna 310 and second day Line 320 plays buffer action.Wherein, metal isolated part 350 can be the form such as isolating bar or isolation cabling, certainly, metal Isolated part 350 can also be other forms, and the embodiment of the present invention is not limited this.
When the antenna 320 of first antenna 310 and second is operated in identical frequency range, radio frequency unit 340, which is used to control, to be switched The other end of switch 330 is connected to the other end of impedance matching circuit corresponding with the frequency range, to isolate the letter of the frequency range Number.
Wherein, when the antenna 320 of first antenna 310 and second is operated in identical frequency range, first antenna 310 and second day Line 320 receives and dispatches the signal of similar frequency bands simultaneously, signal interference each other be present.In this case, lead in the embodiment of the present invention Cross radio frequency unit 340 control switching switch 330 be connected to from different frequency range corresponding to different impedance matching circuits.When switching switchs When being connected to different impedance matching circuits, metal isolated part connects from different impedance matching circuits, can isolate difference The signal of frequency range, i.e., different isolation effects can be produced, so as to the first antenna 310 and second to being operated in multiple frequency ranges Antenna 320 plays buffer action, reduces the interference between the antenna 320 of first antenna 310 and second, improves the communication of antenna Quality.
In addition, being used for disclosed in the embodiment of the present invention in the antenna assembly of mobile terminal, switching switch equally can also For diversified forms, such as single pole multiple throw or switch chip etc..In single pole multiple throw, not moved end and metal isolated part It is connected, different moved ends can connect different impedance matching circuits respectively.
In addition, in embodiments of the present invention, at least two impedance matching circuits include at least one of following:Inductance, Electric capacity and resistance.The embodiment of the present invention is not construed as limiting to this.Wherein, when switching switch connects different impedance matching circuits, gold Belong to isolated part to connect from the impedance matching circuit with different impedances, caused isolation effect is different.
Further, in embodiments of the present invention, the first match circuit and the second match circuit can also be set, first One end with circuit is connected with first antenna, the other end and radio frequency unit phase downlink connection, one end of the second match circuit and the Two antennas are connected, the other end and radio frequency unit phase downlink connection.Wherein, the first and second match circuits are used to tune metal isolation The resonance band that part is isolated, improve the stability of antenna assembly.
In fourth embodiment of the invention, a kind of antenna assembly for mobile terminal is disclosed.Structure shown in Figure 7 Schematic diagram, the antenna assembly for mobile terminal include:First antenna 410, the second antenna 420, radio frequency unit 430, gold Belong to isolated part 440 and impedance adjustable circuit 450.
Wherein, the antenna 420 of first antenna 410 and second is connected with radio frequency unit 430.
Metal isolated part 440 was located between the antenna 420 of first antenna 410 and second, to first antenna 410 and second day Line 420 plays buffer action.Wherein, metal isolated part 440 can be isolating bar or the isolation form such as cabling, certainly, metal every Can also be other forms from part 440, the embodiment of the present invention is not limited this.
One end of impedance adjustable circuit 450 is connected with metal isolated part 440, other end ground connection.
When the antenna 420 of first antenna 410 and second is operated in identical frequency range, radio frequency unit 430 is used to adjust impedance The impedance of conditioned circuit 450, to isolate the signal of the frequency range.
Wherein, when the first antenna 410 and second antenna 420 are operated in identical frequency range, first antenna 410 Receive and dispatch the signal of similar frequency bands simultaneously with the second antenna 420, signal interference each other be present.In this case, the present invention is real Apply the impedance for adjusting impedance adjustable circuit in example by radio frequency unit 430.When metal isolated part can from the impedance of different impedances When adjusting circuit connection, the signal of different frequency range can be isolated, i.e., can produce different isolation effects, so as to more to being operated in The antenna 420 of first antenna 410 and second of individual frequency range plays buffer action, reduces the first antenna 410 and described second Interference between antenna 420, improve the communication quality of antenna.
In addition, in embodiments of the present invention, the impedance adjustable circuit includes at least one of following:Controllable impedance, Tunable capacitor and adjustable resistance, the embodiment of the present invention are not construed as limiting to this.Wherein, the impedance of impedance adjustable circuit is different, with resistance The metal isolated part of anti-adjustable match circuit connection is different with isolation effect caused by the second antenna to first antenna.
Further, in embodiments of the present invention, the first match circuit and the second match circuit can also be set, first One end with circuit is connected with first antenna, the other end and radio frequency unit phase downlink connection, one end of the second match circuit and the Two antennas are connected, the other end and radio frequency unit phase downlink connection.Wherein, the first and second match circuits are used to tune metal isolation The resonance band that part is isolated, improve the stability of antenna assembly.
In another implementation of the application, a kind of mobile terminal is also disclosed, any of the above one is provided with the mobile terminal The antenna assembly for mobile terminal described in embodiment.Wherein, the mobile terminal being related in the present embodiment can be mobile phone, the palm A variety of equipment for possessing communication function such as upper computer and intelligent object wearing device, the embodiment of the present invention are not limited this.
By setting antenna assembly in the terminal, different isolation effects can be produced, so as to reduce work Interference between the antenna of each frequency range, improve the communication quality of mobile terminal.
It is required that those skilled in the art can be understood that the technology in the embodiment of the present invention can add by software The mode of general hardware platform realize.Based on such understanding, the technical scheme in the embodiment of the present invention substantially or Say that the part to be contributed to prior art can be embodied in the form of software product, the computer software product can be deposited Storage is in storage medium, such as ROM/RAM, magnetic disc, CD, including some instructions are causing a computer equipment (can be with Be personal computer, server, either network equipment etc.) perform some part institutes of each embodiment of the present invention or embodiment The method stated.
In this specification between each embodiment identical similar part mutually referring to.Especially for ... implement For example, because it is substantially similar to embodiment of the method, so description is fairly simple, related part is referring in embodiment of the method Explanation.
Invention described above embodiment is not intended to limit the scope of the present invention..

Claims (8)

  1. A kind of 1. antenna assembly for mobile terminal, it is characterised in that including first antenna, the second antenna, switching switch, penetrate Frequency unit and at least two metal isolated parts;
    The first antenna and second antenna are connected with the radio frequency unit, and at least two metals isolated part is set Between the first antenna and second antenna, one end ground connection of the switching switch;
    When the first antenna and second Antenna Operation are in identical frequency range, the radio frequency unit is used to control described cut The other end for changing switch is connected to metal isolated part corresponding with the frequency range at least two metals isolated part, with Isolate the signal of the frequency range.
  2. 2. antenna assembly according to claim 1, it is characterised in that at least two metals isolated part is located at PCB The different layers of plate.
  3. A kind of 3. antenna assembly for mobile terminal, it is characterised in that including first antenna, the second antenna, switching switch, penetrate Frequency unit and metal isolated part;
    The first antenna and second antenna are connected with the radio frequency unit, and the metal isolated part is located at described the Between one antenna and second antenna, one end ground connection of the switching switch;
    When the first antenna and second Antenna Operation are in identical frequency range, the radio frequency unit is used to control described cut The other end for changing switch is connected to position corresponding with the frequency range in the metal isolated part, to isolate the letter of the frequency range Number.
  4. A kind of 4. antenna assembly for mobile terminal, it is characterised in that including first antenna, the second antenna, switching switch, penetrate Frequency unit, metal isolated part and at least two impedance matching circuits;
    The first antenna and second antenna are connected with the radio frequency unit, and the metal isolated part is located at described the Between one antenna and second antenna, one end of the switching switch is connected with the metal isolated part, and described at least two One end of individual impedance matching circuit is grounded;
    When the first antenna and second Antenna Operation are in identical frequency range, the radio frequency unit is used to control described cut The other end for changing switch is connected to impedance matching circuit corresponding with the frequency range at least two impedance matching circuit The other end, to isolate the signal of the frequency range.
  5. 5. antenna assembly according to claim 4, it is characterised in that at least two impedance matching circuit includes following At least one of:Inductance, electric capacity and resistance.
  6. 6. a kind of antenna assembly for mobile terminal, it is characterised in that including first antenna, the second antenna, radio frequency unit, gold Belong to isolated part and impedance adjustable circuit;
    The first antenna and second antenna are connected with the radio frequency unit, and the metal isolated part is located at described the Between one antenna and second antenna, one end of the impedance adjustable circuit is connected with the metal isolated part, the other end Ground connection;
    When the first antenna and second Antenna Operation are in identical frequency range, the radio frequency unit is used to adjust the resistance The impedance of anti-conditioned circuit, to isolate the signal of the frequency range.
  7. 7. antenna assembly according to claim 6, it is characterised in that the impedance adjustable circuit include it is following at least It is a kind of:Controllable impedance, tunable capacitor and adjustable resistance.
  8. 8. a kind of mobile terminal, it is characterised in that including the antenna assembly as any one of claim 1-7.
CN201710894375.0A 2017-09-28 2017-09-28 A kind of antenna assembly and mobile terminal for mobile terminal Pending CN107834200A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710894375.0A CN107834200A (en) 2017-09-28 2017-09-28 A kind of antenna assembly and mobile terminal for mobile terminal

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710894375.0A CN107834200A (en) 2017-09-28 2017-09-28 A kind of antenna assembly and mobile terminal for mobile terminal

Publications (1)

Publication Number Publication Date
CN107834200A true CN107834200A (en) 2018-03-23

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CN109149071A (en) * 2018-08-20 2019-01-04 瑞声光电科技(常州)有限公司 Antenna modules and mobile terminal
CN109378586A (en) * 2018-11-28 2019-02-22 英业达科技有限公司 More feed antennas
CN110350952A (en) * 2018-04-02 2019-10-18 仁宝电脑工业股份有限公司 Communication device, electronic device and its antenna adjusting method
WO2021213228A1 (en) * 2020-04-24 2021-10-28 深圳市万普拉斯科技有限公司 Antenna device and mobile terminal

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CN202839957U (en) * 2012-08-28 2013-03-27 深圳市信维通信股份有限公司 Antenna device used for mobile terminal and mobile terminal
CN103346400A (en) * 2013-06-28 2013-10-09 宇龙计算机通信科技(深圳)有限公司 Terminal and method for optimizing antenna isolation degree
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CN102509882A (en) * 2011-11-26 2012-06-20 苏州佳世达电通有限公司 Antenna device
CN202839957U (en) * 2012-08-28 2013-03-27 深圳市信维通信股份有限公司 Antenna device used for mobile terminal and mobile terminal
CN103346400A (en) * 2013-06-28 2013-10-09 宇龙计算机通信科技(深圳)有限公司 Terminal and method for optimizing antenna isolation degree
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Publication number Priority date Publication date Assignee Title
CN110350952A (en) * 2018-04-02 2019-10-18 仁宝电脑工业股份有限公司 Communication device, electronic device and its antenna adjusting method
CN109149071A (en) * 2018-08-20 2019-01-04 瑞声光电科技(常州)有限公司 Antenna modules and mobile terminal
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CN109378586A (en) * 2018-11-28 2019-02-22 英业达科技有限公司 More feed antennas
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WO2021213228A1 (en) * 2020-04-24 2021-10-28 深圳市万普拉斯科技有限公司 Antenna device and mobile terminal

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Application publication date: 20180323