CN108832296A - Antenna and mobile terminal with the antenna - Google Patents
Antenna and mobile terminal with the antenna Download PDFInfo
- Publication number
- CN108832296A CN108832296A CN201810608035.1A CN201810608035A CN108832296A CN 108832296 A CN108832296 A CN 108832296A CN 201810608035 A CN201810608035 A CN 201810608035A CN 108832296 A CN108832296 A CN 108832296A
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- China
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- contact
- power feeding
- antenna
- feeding module
- ground terminal
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/52—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure
- H01Q1/521—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure reducing the coupling between adjacent antennas
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
-
- 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
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/44—Details of, or arrangements associated with, antennas using equipment having another main function to serve additionally as an antenna, e.g. means for giving an antenna an aesthetic aspect
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- 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
- H01Q5/30—Arrangements for providing operation on different wavebands
- H01Q5/307—Individual or coupled radiating elements, each element being fed in an unspecified way
- H01Q5/314—Individual or coupled radiating elements, each element being fed in an unspecified way using frequency dependent circuits or components, e.g. trap circuits or capacitors
- H01Q5/328—Individual or coupled radiating elements, each element being fed in an unspecified way using frequency dependent circuits or components, e.g. trap circuits or capacitors between a radiating element and ground
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
- H01Q5/30—Arrangements for providing operation on different wavebands
- H01Q5/307—Individual or coupled radiating elements, each element being fed in an unspecified way
- H01Q5/342—Individual or coupled radiating elements, each element being fed in an unspecified way for different propagation modes
- H01Q5/35—Individual or coupled radiating elements, each element being fed in an unspecified way for different propagation modes using two or more simultaneously fed points
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- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- General Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Support Of Aerials (AREA)
Abstract
This application involves a kind of antenna and with the mobile terminal of the antenna, which includes：Conductive bezels, setting first and second and three contacts, third contact is between the first contact and the second contact.First ground terminal is electrically connected by third contact with conductive bezels.First power feeding module is electrically connected by the first contact with conductive bezels, and the galvanic circle that the first power feeding module, conductive bezels and the first ground terminal are formed is the first raddiating circuit, and the first raddiating circuit is for emitting or receiving first antenna signal.Second power feeding module is electrically connected by the second contact with conductive bezels, and the galvanic circle that the second power feeding module, conductive bezels and the first ground terminal are formed constitutes the second raddiating circuit, and the second raddiating circuit is for emitting or receiving the second aerial signal.Above-mentioned antenna and mobile terminal with the antenna improve the isolation between the first power feeding module and the second power feeding module by the way that ground terminal is arranged between the first power feeding module and the second power feeding module.
Description
Technical field
This application involves wireless communication fields, more particularly to a kind of antenna and with the mobile terminal of the antenna.
Background technique
With the development of wireless communication technique, antenna is used on more and more electronic equipments, and same electronics is set
More than two antennas are often installed for upper, hypotelorism will lead to isolation between antennae and be greatly reduced between two antennas, draw
Play the reduction of antenna efficiency.
For example, left/right double antenna is arranged in mobile terminal, left/right double antenna can hold situation for right-hand man and cut
It changes.However, mutual interference can be generated to each other between left/right double antenna when hypotelorism, and then two antenna efficiencies is caused all to drop
It is low.
Summary of the invention
The embodiment of the present application provides a kind of antenna and the mobile terminal with the antenna, can increase between antenna every
From degree.
A kind of antenna, including：
Conductive bezels are provided with the first contact, the second contact and third contact, wherein third contact is located at the first contact
And second between contact；
First ground terminal is electrically connected by third contact with conductive bezels；
First power feeding module is electrically connected by the first contact with conductive bezels, the first power feeding module and the first ground terminal it
Between galvanic circle constitute the first raddiating circuit, the first raddiating circuit is for emitting or receive first antenna signal；
Second power feeding module is electrically connected by the second contact with conductive bezels, the second power feeding module and the first ground terminal it
Between galvanic circle constitute the second raddiating circuit, the second raddiating circuit is for emitting or receive the second aerial signal.
A kind of mobile terminal, including antenna.
Above-mentioned antenna and mobile terminal with the antenna, by between the first power feeding module and the second power feeding module
Ground terminal is set, has achieved the purpose that improve the isolation between the first power feeding module and the second power feeding module.
Detailed description of the invention
In order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, below will to embodiment or
Attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
Some embodiments of the present application, for those of ordinary skill in the art, without creative efforts, also
Other drawings may be obtained according to these drawings without any creative labor.
Fig. 1 is the structural schematic diagram of antenna in the application one embodiment；
Fig. 2 is the structural schematic diagram of antenna in another embodiment of the application；
Fig. 3 is the circuit connection diagram of antenna in the application one embodiment；
Fig. 4 is the circuit connection diagram of the antenna in the application one embodiment including two ground terminals；
Fig. 5 is the circuit connection diagram of the antenna of the application one embodiment；
Fig. 6 is the circuit connection diagram of the antenna of the application one embodiment；
Fig. 7 is the circuit connection diagram of the antenna of the application one embodiment；
Fig. 8 is the structural schematic diagram of antenna in the application one embodiment；
Fig. 9 is the structural schematic diagram of mobile terminal in the application one embodiment.
Specific embodiment
In order to which the objects, technical solutions and advantages of the application are more clearly understood, with reference to the accompanying drawings and embodiments,
The application is further elaborated.It should be appreciated that specific embodiment described herein is only used to explain this Shen
Please, it is not used to limit the application.
It is appreciated that term " first " used in this application, " second " etc. can be used to describe herein various members
Part, but these elements should not be limited by these terms.These terms are only used to distinguish the first element from the other element.It lifts
For example, in the case where not departing from scope of the present application, the first contact can be known as the second contact, and similarly, can incited somebody to action
Second contact is known as the first contact.First contact and the second contact both contact, but it is not same contact.
Transmitting or reception device of the antenna as a kind of radio wave, on mountable mobile terminal, mobile terminal be can wrap
Include mobile phone, tablet computer, laptop, palm PC, mobile internet device (MID, mobile internet
Device), wearable device (such as smartwatch (such as iWatch), Intelligent bracelet, pedometer etc.) or other settable days
The communication module of line.It may include at least two antennas on same mobile terminal, it is corresponding to generate at least two aerial signals.
Below by taking mobile terminal is Double-antenna mobile phone as an example, illustrate the antenna in various embodiments of the present invention, it will be understood that
On the mobile terminal of triantennary or four antennas etc, or at other with cell phone type as on mobile terminal, can also use
The antenna of the embodiment of the present application is to solve the problems, such as that isolation is poor between double antenna.
Fig. 1 is the structural schematic diagram of antenna in one embodiment.As shown in Figure 1, a kind of antenna, including：
Conductive bezels 120 are provided with the first contact 122, the second contact 124 and third contact 126, wherein third contact
126 between the first contact 122 and the second contact 124.
First ground terminal 182 is electrically connected by third contact 126 with conductive bezels 120.
First power feeding module 140 is electrically connected by the first contact 122 with conductive bezels 120, the first power feeding module 140,
The galvanic circle that conductive bezels 120 and the first ground terminal 182 are formed constitutes the first raddiating circuit, and the first raddiating circuit is for sending out
Penetrate or receive first antenna signal.
Second power feeding module 160 is electrically connected by the second contact 124 with conductive bezels 120, the second power feeding module 160,
The galvanic circle that conductive bezels 120 and the first ground terminal 182 are formed constitutes the second raddiating circuit, and the second raddiating circuit is for sending out
Penetrate or receive the second aerial signal.
Wherein, conductive bezels 120 can be used as a part of antenna structure, and the conductive shapes and material of conductive bezels 120
Expect unlimited.Wherein, the shape of conductive bezels 120 generally changes with the difference of mobile terminal shape, for example, on mobile phone
Conductive bezels 120 are mostly rectangle frame, and the conductive bezels 120 on smartwatch are mostly square-shaped frame, leading on intelligent glasses
Electric frame 120 may be round frame.On the other hand, the material of conductive bezels 120 may include metal, conductive plastics, conduction
Rubber, conductivity ceramics etc. have the material of conducting function.
Gap 110 can be provided on conductive bezels, if conductive bezels 120 are rectangular shaped rim, the quantity in gap 110 is two,
Two gaps 110 are provided in two long sides of rectangular conductive frame 120 respectively to be separated out two sections conductive bezels.Its
In, settable antenna can be described as antenna on upper conductive bezels 122, and the antenna being arranged on lower conductive bezels can be described as lower day
Line.
First contact 122, the second contact 124 and third contact 126 can be each electronic component (including to be had with antenna
The electronic component of pass) when being electrically connected with conductive bezels 120, the contact point generated therebetween or contact surface.Contact does not limit
For the contact surface of a round point shape, it can also be the contact surfaces such as rectangle, polygon, as long as can ensure electronic component and lead
Electrical connection between electric frame 120.If electronic component is connect by conducting wire with conductive bezels 120, contact is conducting wire
With the contact portion between conductive bezels 120, if electronic component is directly welded on conductive bezels 120, contact can be at this time
For pad.First contact 122, the second contact 124, third contact 126 are all contacts, but are belonged to different on conductive bezels 120
The contact of position.It should be noted that contact can be generated when conductive bezels 120 are electrically connected with other electronic components,
Can certainly be as needed, corresponding blank position is reserved on conductive bezels 120 in advance, i.e. contact can not be conduction
Structure intrinsic in advance on frame.
Third contact 126 is between the first contact 122 and the second contact 124, the 126 to the first contact of third contact 122
Distance be first distance, the distance that third contact 126 to the second connects at 124 points is second distance, first distance can be equal to,
It is greater than, is less than third distance, the specific distance on conductive bezels 120 between three contacts is with no restrictions.In one embodiment
In, by changing the first contact 122 (i.e. first distance) at a distance from third contact 126, first antenna signal can be influenced
Wave-length coverage.By changing the second contact 124 (i.e. second distance) at a distance from third contact 126, the second antenna can be influenced
The wave-length coverage of signal.
On the other hand, the connection type between third contact 126 and the first ground terminal 182, which can be, is directly connected to, can also
To be to be indirectly connected with.When being indirectly connected with, corresponding electronics member can also be connected between third contact 126 and the first ground terminal 182
Device.
It include the first power feeding module 140, the first contact on the galvanic circle since the first raddiating circuit is galvanic circle
122, third contact 126 and the first ground terminal 182.Therefore the electric current on the first raddiating circuit can flow through the first power feeding module 140,
First contact 122, the second contact 126 and the first ground terminal 182.It can produce by inductance on the first raddiating circuit and capacitor
LC oscillating current, to be sent out or receive first antenna signal (electromagnetic wave).
It similarly, include the second power feeding module 160, second on the galvanic circle since the second raddiating circuit is galvanic circle
Contact 124, third contact 126 and the first ground terminal 182.Therefore the electric current on the first raddiating circuit can flow through the second power feeding module
160, the second contact 124, third contact 126 and the first ground terminal 182.It can by inductance on the second raddiating circuit and capacitor
LC oscillating current is generated, to be sent out or receive the second aerial signal (electromagnetic wave).
In structure, the first power feeding module 140 may include all kinds of electronic components related with antenna, for example, first
Power feeding module 140 may include all kinds of capacitors, inductance etc., by changing capacitance and inductance value, and change capacitor and inductance
Connection type in circuit keeps formation between the feeding point and the first ground terminal 182 inside the first power feeding module 140 different
Equivalent circuit, flow through the current characteristics of the first raddiating circuit to adjust, and then adjust the band limits of first antenna signal.
For example, as shown in Fig. 2, be in antenna emission mode when, the 150 (example of data processing chip built in mobile terminal
Such as, data processing chip 150 can be located in the region that conductive bezels 120 surround) export the high frequency telecommunications for carrying data information
Number, which flows through the first power feeding module 140, the first raddiating circuit, returns to ground eventually by the first ground terminal 182.By
Corresponding electric field and magnetic field will be generated during aforesaid flow in high frequency electrical signal, and antenna is made to launch first antenna signal
(electromagnetic wave signal).If being in antenna reception pattern, influenced by extraneous first antenna signal (electromagnetic wave signal), by first
Corresponding high-frequency electrical will be generated in the galvanic circle that power feeding module 140, the first raddiating circuit and the first ground terminal 182 are constituted
Signal is then exported the high frequency electrical signal to data processing chip 150, data processing chip by the first power feeding module 140
150 can parse the data information carried on the high frequency electrical signal.The signal type of first antenna signal includes but is not limited to
Bluetooth signal, GPS signal, mobile cellular communication signal, NFC signal.
In structure, the second power feeding module 160 may include all kinds of electronic components related with antenna, for example, second
Power feeding module 160 may include all kinds of capacitors, inductance etc., by changing capacitance and inductance value, and change capacitor and inductance
Connection type in circuit keeps formation between the feeding point and the first ground terminal 182 inside the second power feeding module 160 different
Equivalent circuit, flow through the current characteristics of the second raddiating circuit to adjust, and then adjust the band limits of the second aerial signal.
For example, as shown in Fig. 2, the data processing chip 150 built in mobile terminal exports when being in antenna emission mode
The high frequency electrical signal of data information is carried, which flows through the second power feeding module 160, the second raddiating circuit, final logical
It crosses the first ground terminal 182 and returns to ground.Since high frequency electrical signal will generate corresponding electric field and magnetic field during aforesaid flow, make
Antenna launches the second aerial signal (electromagnetic wave signal).If being in antenna reception pattern, by the second extraneous aerial signal
(electromagnetic wave signal) influences, and the conduction being made of the second power feeding module 140, the second raddiating circuit and the first ground terminal 182 is returned
Corresponding high frequency electrical signal will be generated in road, then be exported the high frequency electrical signal to data by the second power feeding module 160
Chip 150 is managed, data processing chip 150 can parse the data information carried on the high frequency electrical signal.Second aerial signal
Signal type includes but is not limited to Bluetooth signal, GPS signal, mobile cellular communication signal, NFC signal.
It should be noted that connect since the first power feeding module 140 passes through the first contact 122 with conductive bezels 120, the
Two power feeding modules 160 are connect by the second contact 124 with conductive bezels 120, between the first contact 122 and the second contact 124
Distance is closer, and will lead to isolation between the first power feeding module 140 and the second power feeding module 160 reduces, two days on mobile terminal
Annoyance level between line will rise.For example, increasing the antenna number in terminal under the premise of 120 limited length of conductive bezels
Amount, frequently can lead to hypotelorism between antenna, and the efficiency of multiple antennas is caused very much (especially to exist compared to single antenna decline
In the case of low frequency).
And the antenna in the present embodiment, by the way that is arranged between the first power feeding module 140 and the second power feeding module 160
One ground terminal 182 achievees the purpose that improve isolation between the first power feeding module 140 and the second power feeding module 160.
In one embodiment, left and right double antenna can be set by lower antenna.Specifically, the first contact 122, second connect
Point 124, third contact 126 are arranged on lower conductive bezels 124.By the first power feeding module 140, the first raddiating circuit and
The galvanic circle that one ground terminal 182 is constituted may make up a part of left antenna, by the first power feeding module 140, the first radiation electric
The galvanic circle that road and the first ground terminal 182 are constituted may make up a part of right antenna.Conductive bezels 120 are held in manpower
When, handoff functionality may be implemented between the double antenna of left and right, to reduce the influence of holding, day when improving manpower test is linear
Energy.For example, will seriously affect the performance of left antenna when user's left-handed terminal, the work shape of left antenna can be suspended at this time
State, then right antenna is switched into working condition.
Antenna in the present embodiment, it is contemplated that the distance of left and right antenna is close, by the first power feeding module 140 and
First ground terminal 182 is set between two power feeding modules 160, improves the isolation between the antenna of left and right.
Fig. 3 is the circuit connection diagram of antenna in one embodiment.As shown in figure 3, in one embodiment, antenna
It further include spread spectrum module 220, one end of spread spectrum module 220 is connect with third contact 126, the other end of spread spectrum module 220 and
One ground terminal 182 connection, by adjusting the inductively or capacitively parameter of spread spectrum module 220, to adjust the first raddiating circuit and second
The circuit characteristic of raddiating circuit, and then extend the band limits of first antenna signal and the second aerial signal.
Spread spectrum module 220 may include all kinds of capacitors, inductance etc., by changing capacitance and/or inductance value, Yi Jitong
It crosses and changes the connection type of capacitor and/or inductance in circuit, the inductively or capacitively parameter of spread spectrum module 220 is adjusted.Due to
Spread spectrum module 220 was not only on the first raddiating circuit, but also on the second raddiating circuit, passed through the capacitor for changing spread spectrum module
Or inductance parameters, the LC oscillating characteristic of the first raddiating circuit and the second raddiating circuit can be changed simultaneously, and then change extension the
The band limits of one aerial signal and the second aerial signal.
It should be noted that due to having increased ground terminal newly between the first power feeding module 140 and the second power feeding module 160
180, only by adjusting the equivalent circuit in the first power feeding module 140 and the second power feeding module 160, it may be difficult to by the humorous of antenna
Frequency range of shaking adjusts tremendously low frequency section.And the antenna in the present embodiment, by being set between the first ground terminal 182 and third contact 126
Spread spectrum module 220 is set, is conducive to the resonance band of antenna extending to low-frequency range, has ensured the low frequency bandwidth of antenna.The low frequency
The range of section bandwidth may include 800MHz to 960MHz.
Fig. 4 is the circuit connection diagram of the antenna in one embodiment including two ground terminals.As shown in figure 4, conductive
Frame 120 is additionally provided with the 4th contact 128, and the 4th contact 128 is between the first contact 122 and the second contact 124.Antenna
It further include the second ground terminal 184, the second ground terminal 184 is electrically connected by the 4th contact 128 with conductive bezels 120.Wherein,
The galvanic circle that two ground terminals 184, conductive bezels 120 and the first power feeding module 140 are formed constitutes third raddiating circuit.Second
The galvanic circle that ground terminal 184, conductive bezels 120 and the second power feeding module 160 are formed constitutes the 4th raddiating circuit.
Wherein, the quantity of third contact 126 and the 4th contact 128 is unlimited, and position of the two on conductive bezels 120
Also unlimited, it is only necessary to guarantee that third contact 126 and the 4th contact 128 are all located between the first contact 122 and the second contact 124
?.
In the present embodiment, the raddiating circuit for receiving and dispatching first antenna signal includes two-way galvanic circle, is respectively
One raddiating circuit and third raddiating circuit.Wherein the particular circuit configurations of the first raddiating circuit are referring to above-described embodiment, herein not
It repeats again.Third raddiating circuit includes the first power feeding module 140, the first contact 122, the 4th contact 128 and the second ground terminal
184.Therefore ground is gone back to except through the first ground terminal 182, the electric current on raddiating circuit for receiving and dispatching first antenna signal may be used also
The first power feeding module 140, the first contact 122, the 4th contact 128 are flowed through, returns to ground eventually by the second ground terminal 184.Third spoke
The capacitor and inductance characteristic of transmit-receive radio road also will affect the capacitor and inductor characteristic of the raddiating circuit for receiving and dispatching first antenna signal,
And then influence LC oscillating current.
It similarly, also include two-way galvanic circle for receiving and dispatching the raddiating circuit of the second aerial signal in the present embodiment, point
It Wei not the second raddiating circuit and the 4th raddiating circuit.Wherein the particular circuit configurations of the second raddiating circuit are referring to above-described embodiment,
Details are not described herein.4th raddiating circuit connects including the second power feeding module 160, the second contact 124, the 4th contact 128 and second
Ground terminal 184.Therefore ground is gone back to except through the first ground terminal 182, the electric current on raddiating circuit for receiving and dispatching the second aerial signal
The second power feeding module 160, the second contact 124, the 4th contact 128 can be also flowed through, returns to ground eventually by the second ground terminal 184.
Antenna in the present embodiment, by being arranged at least between the first power feeding module 140 and the second power feeding module 160
Two ground terminals, wherein at least one ground terminal is directly connected to conductive bezels 120, at least one ground terminal passes through spread spectrum mould
Block 220 is indirectly connected with conductive bezels 120, is further improved between the first power feeding module 140 and the second power feeding module 160
Isolation.
As shown in figure 5, in one embodiment, spread spectrum module 220 includes switching switch 222, and switchs with switching
The first capacitor C1 of 222 connections.First capacitor C1, which is controlled, by switching switch 222 accesses third contact 126 and the first ground terminal
Between 182, to extend the capacitance parameter for adjusting spread spectrum module 220.Wherein, the quantity of first capacitor can be multiple.
In one embodiment, spread spectrum module 220 includes switching switch 222, and with switch that switch 222 connect the
One inductance L1.The first inductance L1 is controlled by switching switch 222 to access between third contact 126 and the first ground terminal 182, with
Adjust the inductance parameters of spread spectrum module 220.Wherein, the quantity of the first inductance can be multiple.
In one embodiment, first capacitor includes capacitor C1 and capacitor C2, and the first inductance includes inductance L1 and inductance
L2.Switching switch 222 in figure includes four throw switch 222 of hilted broadsword, can be realized by logic control or voltage and current signal single
The switching of four throw switch 222 of knife.Capacitor C1, capacitor C2, inductance L1, inductance L2 respectively correspond four in four throw switch 222 of hilted broadsword
A access can choose by the switching of four throw switch 222 of hilted broadsword by appointing in capacitor C1, capacitor C2, inductance L1, inductance L2
It anticipates one and accesses in the equivalent circuit of spread spectrum module 220, and then adjust the capacitor and inductance parameters of spread spectrum module 220.Switching is opened
Pass may include the single pole multiple throws such as single-pole three-throw switch, four throw switch of hilted broadsword.
Antenna in the present embodiment, by switching switch 222 and first capacitor, the first inductance cooperate, thus with simply and
Reliable way adjusts the capacitor and inductance parameters of spread spectrum module 220, and then extends first antenna signal and the second aerial signal
Band limits.
In one embodiment, the first power feeding module 140 and the second power feeding module 160 are configured as tuning by changing
Parameter does not overlap first antenna signal and the band limits of the second aerial signal.Specifically, by changing the first feed
The inductively or capacitively characteristic of module 140 and the inductively or capacitively characteristic by changing the second power feeding module 160, make first day
Line signal and the band limits of the second aerial signal do not overlap.
First power feeding module 140 may include all kinds of capacitors, inductance etc., by changing capacitance and inductance value, Yi Jigai
The connection type of power transformation appearance and inductance in circuit, thus it is possible to vary the inductively or capacitively characteristic of the first power feeding module 140.Similarly,
Second power feeding module 160 can also change its inductively or capacitively characteristic in this manner, and details are not described herein.
The circuit structure of first power feeding module 140 and the second power feeding module 160 is relatively independent, feeds mould in adjustment first
The second power feeding module 160 is not interfered with when the inductively or capacitively characteristic of block 140, similarly, is adjusting the second power feeding module 160
Inductively or capacitively characteristic when do not interfere with the first power feeding module 140.To pass through the first power feeding module 140, second of setting
Power feeding module 160 does not overlap first antenna signal and the band limits of the second aerial signal.
It should be noted that the mobile terminal of setting double antenna generally uses MIMO (Multiple-Input
Multiple-Output) technology can guarantee the matter of communication as long as any antenna that is, in mutiple antennas can work normally
Amount.For example, when user's left-handed mobile phone, although the aerial signal in double antenna close to left hand is affected, in double antenna
The signal of antenna far from left hand is unaffected, thus can guarantee the quality of communication using MIMO technology.However, setting exists
The resonance band of double antenna in same terminal is closer, then the interference between double antenna is more serious.
Antenna in the present embodiment, by changing the tuner parameters of the first power feeding module 140 and the second power feeding module 160,
First antenna signal and the band limits of the second aerial signal can be separated open, avoid the co-channel interference between double antenna.
Fig. 6 is the circuit connection diagram of the antenna of one embodiment.As shown in fig. 6, the first power feeding module 140 includes
First variable capacitance C3, the second power feeding module 160 include the second variable capacitance C4.By the electricity for changing the first variable capacitance C3
Hold characteristic to change the tuner parameters of the first power feeding module 140.By changing the capacitance characteristic of the second variable capacitance C4 to change
The tuner parameters of second power feeding module 160.
For example, capacitance and the second variable capacitance C4 that voltage adjusts the first variable capacitance C3 can be controlled based on the received
Capacitance.Wherein, control voltage can be generated by controller (not shown).For example, controller and setting are at the terminal
The connection of sensor (not shown), the user that controller is detected according to sensor holds information (left-handed or right
Hand is held), primary antenna is set by the good antenna of signal in double antenna, supplemented by the antenna setting of dtr signal in double antenna
Antenna, the control voltage that controller generates will adjust the capacitor of the capacitance and the second variable capacitance C4 of the first variable capacitance C3
Value generates co-channel interference to primary antenna to avoid auxiliary antenna to increase or decrease the band limits of auxiliary antenna.
The variation range of the capacitance of first variable capacitance C3 and the capacitance of the second variable capacitance C4 is unlimited, range
It can be arranged according to specific antenna structure.
The antenna of the present embodiment, by the way that the first variable capacitance C3 and the second variable capacitance C4 is arranged, with simple and reliable
Mode separates out first antenna signal and the band limits of the second aerial signal, avoids the co-channel interference between double antenna.
In one embodiment, the first power feeding module 140 further includes the first feeding point 144, handles core for receiving data
The electric signal that piece 150 transmits is also used to the electric signal that the first power feeding module 140 generates being sent to data processing chip 150.The
The effect of two feeding points 164 can be found in the first feeding point 144, and details are not described herein.
Fig. 7 is the circuit connection diagram of the antenna of one embodiment.As shown in fig. 7, the first power feeding module 140 includes
First channel selector 146, the second capacitor C5 and/or the second inductance L3, control the first channel selector 146 respectively with the second capacitor
C5 or the second inductance L3 connection are to form the first access.Second power feeding module 160 includes alternate path switch 166, third capacitor
C7 and/or third inductance L4 controls alternate path switch 166 respectively with second capacitor or the second inductance connection to be formed
First access.
Further, the second capacitor, third capacitor, the second inductance, third inductance quantity can be multiple.First is logical
Way switch and alternate path switch may include multiple individual switches or single pole multiple throw etc..
For example, first capacitor includes capacitor C5 and C6, the second capacitor includes capacitor C7 and C8.First channel selector 146,
Alternate path switch 166 all includes single-pole three-throw switch.By the switching of single-pole three-throw switch 146 can choose by capacitor C5,
In the equivalent circuit of any one the first power feeding module 140 of access in capacitor C6, inductance L3, and then change the first feed mould
The tuner parameters of block 140.The switching principle of single-pole three-throw switch 166 can refer to single-pole three-throw switch 166, and details are not described herein.
In one embodiment, the first access switching switch may include first switch, second switch, third switch (figure
In be not shown), one end of first switch is connect with capacitor C5, the other end ground connection.One end of second switch is connect with capacitor C6,
Other end ground connection.One end of third switch is connect with inductance L3, other end ground connection.Wherein, when first switch is closed, capacitor C5
It accesses in the equivalent circuit of the first power feeding module 140, when first switch disconnects, capacitor C5 does not access the first power feeding module 140
In equivalent circuit.Second switch, the working principle of third switch are similar with first switch, and details are not described herein.
Alternate path switching switch also may include three switches, and concrete operating principle can refer to the switching of the first access and open
It closes, details are not described herein.
In one embodiment, one end of the first channel selector 146 is connect with the second capacitor C5 or the second inductance L3, the
The other end of one channel selector 146 is grounded.One end of alternate path switch 166 is connect with third capacitor C7 or third inductance L4,
The other end of alternate path switch 166 is grounded.Further, first capacitor further includes capacitor C6, and the second capacitor further includes capacitor
C8.First channel selector 146 and alternate path switch 166 include single-pole three-throw switch.As shown in fig. 6, capacitor C5, capacitor C6
It is grounded with one end of inductance L3 by single-pole three-throw switch 620, the first power feeding module 140 and the second power feeding module can be increased
The quantity of ground terminal between 160.Similarly, one end of capacitor C7, capacitor C8 and inductance L4 are connect by single-pole three-throw switch 166
Ground can increase the quantity of ground terminal between the first power feeding module 140 and the second power feeding module 160.
The antenna of the present embodiment, by increasing ground terminal between the first power feeding module 140 and the second power feeding module 160
Quantity further improves the isolation between the first power feeding module 140 and the second power feeding module 160.
Fig. 8 is the structural schematic diagram of antenna in one embodiment.As shown in figure 8, being offered at least on conductive bezels 120
Two gaps, including gap 720 and gap 740, the first contact 122, the second contact 124, third contact 126 are located at gap 720
Between gap 740.First antenna signal and the second aerial signal are emitted from gap 720 and gap 740 respectively.
The embodiment of the invention also provides a kind of mobile terminal, mobile terminal includes the aerial system in an above-mentioned embodiment
System.The mobile terminal of antenna system with any of the above-described embodiment, by the first power feeding module and the second power feeding module it
Between ground terminal is set, achieved the purpose that improve the isolation between the first power feeding module and the second power feeding module.Such as Fig. 9 institute
Show, for ease of description, only parts related to embodiments of the present invention are shown, and it is disclosed by specific technical details, it please refers to
Antenna system of embodiment of the present invention part.The mobile terminal can be include mobile phone, tablet computer, laptop, palm electricity
(such as smartwatch is (such as brain, mobile internet device (MID, mobile internet device), wearable device
IWatch etc.), Intelligent bracelet, pedometer etc.) or other settable antennas communication module, by taking mobile terminal is mobile phone as an example：
Fig. 9 is the block diagram of the part-structure of mobile phone 900 relevant to mobile terminal provided in an embodiment of the present invention.With reference to
Fig. 9, mobile phone 900 include：Antenna system 910, memory 920, input unit 930, display unit 940, sensor 950, audio
The components such as circuit 960, Wireless Fidelity (wireless fidelity, WIFI) module 970, processor 980 and power supply 990.
It will be understood by those skilled in the art that handset structure shown in Fig. 8 does not constitute the restriction to mobile phone, it may include than diagram
More or fewer components perhaps combine certain components or different component layouts.
Wherein, antenna system 910 can be used for receiving and sending messages or communication process in signal send and receive, can by base station
Downlink information receive after, to processor 980 handle；The data of uplink can also be sent to base station.Memory 920 can be used
In storage software program and module, processor 980 is stored in the software program and module of memory 920 by operation, from
And execute the various function application and data processing of mobile phone.Memory 920 can mainly include that program storage area and data store
Area, wherein program storage area can (such as the sound-playing function of application program needed for storage program area, at least one function
Application program, the application program of image player function etc.) etc.；Data storage area can be stored to be created according to using for mobile phone
Data (such as audio data, address list etc.) etc..In addition, memory 920 may include high-speed random access memory, also
It may include nonvolatile memory, for example, at least a disk memory, flush memory device or other volatile solid-states are deposited
Memory device.
Input unit 930 can be used for receiving the number or character information of input, and generates and set with the user of mobile phone 900
It sets and the related key signals of function control inputs.In one embodiment, input unit 930 may include touch panel 931 with
And other input equipments 932.Touch panel 931, alternatively referred to as touch screen collect the touch behaviour of user on it or nearby
Make (for example user uses any suitable objects or attachment such as finger, stylus on touch panel 931 or in touch panel 931
Neighbouring operation), and corresponding attachment device is driven according to preset formula.In one embodiment, touch panel
931 may include touching two parts of measuring device and touch controller.Wherein, the touch side of measuring device measurement user is touched
Position, and touch operation bring signal is measured, transmit a signal to touch controller；Touch controller from touch measuring device
Upper reception touch information, and it is converted into contact coordinate, then give processor 980, and can receive what processor 980 was sent
It orders and is executed.It is touched furthermore, it is possible to be realized using multiple types such as resistance-type, condenser type, infrared ray and surface acoustic waves
Control panel 931.In addition to touch panel 931, input unit 930 can also include other input equipments 932.In one embodiment
In, other input equipments 932 can include but is not limited to physical keyboard, function key (such as volume control button, switch key
Deng) etc. one of or it is a variety of.
Display unit 940 can be used for showing information input by user or be supplied to user information and mobile phone it is each
Kind menu.Display unit 940 may include display panel 941.In one embodiment, liquid crystal display (Liquid can be used
Crystal Display, LCD), the forms such as Organic Light Emitting Diode (Organic Light-Emitting Diode, OLED)
To configure display panel 941.In one embodiment, touch panel 931 can cover display panel 941, when touch panel 931
After measuring touch operation on it or nearby, processor 980 is sent to determine the type of touch event, is followed by subsequent processing
Device 980 provides corresponding visual output according to the type of touch event on display panel 941.Although in Fig. 9, touch surface
Plate 931 and display panel 941 are the input and input function for realizing mobile phone as two independent components, but certain
In embodiment, can be integrated by touch panel 931 and display panel 941 and that realizes mobile phone output and input function.
Mobile phone 900 may also include at least one sensor 950, such as optical sensor, motion sensor and other sensings
Device.In one embodiment, optical sensor may include ambient light sensor and proximity sensor, wherein ambient light sensor can
The brightness of display panel 941 is adjusted according to the light and shade of ambient light, proximity sensor can be closed when mobile phone is moved in one's ear
Close display panel 941 and/or backlight.Motion sensor may include acceleration transducer, can measure by acceleration transducer each
The size of acceleration on a direction can measure size and the direction of gravity, can be used to identify the application of mobile phone posture when static
(such as horizontal/vertical screen switching), Vibration identification correlation function (such as pedometer, percussion) etc..In addition, mobile phone can also configure gyro
Other sensors such as instrument, barometer, hygrometer, thermometer, infrared sensor etc..
Voicefrequency circuit 960, loudspeaker 961 and microphone 962 can provide the audio interface between user and mobile phone.Audio
Electric signal after the audio data received conversion can be transferred to loudspeaker 961, be converted to by loudspeaker 961 by circuit 960
Voice signal output；On the other hand, the voice signal of collection is converted to electric signal by microphone 962, is connect by voicefrequency circuit 960
Audio data is converted to after receipts, then by after the processing of audio data output processor 980, can be sent to through RF circuit 910 another
Mobile phone, or audio data is exported to memory 920 so as to subsequent processing.
WIFI belongs to short range wireless transmission technology, and mobile phone can help user's transceiver electronics postal by WIFI module 970
Part, browsing webpage and access streaming video etc., it provides wireless broadband internet access for user.Although Fig. 9 is shown
WIFI module 970, but it is understood that, it include the radiant section of WIFI frequency range in antenna system, i.e. the second radiant section
112, which can realize the signal transmitting and receiving of WIFI frequency range, therefore WIFI module 970 and be not belonging to must be configured into for mobile phone 900,
It can according to need and omit.
Processor 980 is the control centre of mobile phone, using the various pieces of various interfaces and connection whole mobile phone,
By running or execute the software program and/or module that are stored in memory 920, and calls and be stored in memory 920
Data, execute mobile phone various functions and processing data, thus to mobile phone carry out integral monitoring.In one embodiment, locate
Managing device 980 may include one or more processing units.In one embodiment, processor 980 can integrate application processor and tune
Demodulation processor processed, wherein the main processing operation system of application processor, user interface and application program etc.；Modulatedemodulate is mediated
Reason device mainly handles wireless communication.It is understood that above-mentioned modem processor can not also be integrated into processor 980
In.
Mobile phone 900 further includes the power supply 990 (such as battery) powered to all parts, it is preferred that power supply can pass through electricity
Management system and processor 980 are logically contiguous, to realize management charging, electric discharge and power consumption by power-supply management system
The functions such as management.
In one embodiment, mobile phone 900 can also include camera, bluetooth module etc..
Any reference to memory, storage, database or other media used in this application may include non-volatile
And/or volatile memory.Suitable nonvolatile memory may include read-only memory (ROM), programming ROM (PROM),
Electrically programmable ROM (EPROM), electrically erasable ROM (EEPROM) or flash memory.Volatile memory may include depositing at random
Access to memory (RAM), it is used as external cache.By way of illustration and not limitation, RAM is available in many forms, all
Such as static RAM (SRAM), dynamic ram (DRAM), synchronous dram (SDRAM), double data rate sdram (DDR SDRAM), enhancing
Type SDRAM (ESDRAM), synchronization link (Synchlink) DRAM (SLDRAM), memory bus (Rambus) direct RAM
(RDRAM), direct memory bus dynamic ram (DRDRAM) and memory bus dynamic ram (RDRAM).
The several embodiments of the application above described embodiment only expresses, the description thereof is more specific and detailed, but simultaneously
The limitation to the application the scope of the patents therefore cannot be interpreted as.It should be pointed out that for those of ordinary skill in the art
For, without departing from the concept of this application, various modifications and improvements can be made, these belong to the application's
Protection scope.Therefore, the protection scope of the application patent should be subject to the attached claims.
Claims (10)
1. a kind of antenna, which is characterized in that including：
Conductive bezels are provided with the first contact, the second contact and third contact, wherein the third contact is located at described first
Between contact and second contact；
First ground terminal is electrically connected by the third contact with the conductive bezels；
First power feeding module is electrically connected by first contact with the conductive bezels, and first power feeding module described is led
The galvanic circle that electric frame and first ground terminal are formed constitutes the first raddiating circuit, and first raddiating circuit is for emitting
Or receive first antenna signal；
Second power feeding module is electrically connected by second contact with the conductive bezels, and second power feeding module described is led
The galvanic circle that electric frame and first ground terminal are formed constitutes the second raddiating circuit, and second raddiating circuit is for emitting
Or receive the second aerial signal.
2. antenna according to claim 1, which is characterized in that further include spread spectrum module, one end of the spread spectrum module with
The third contact connection, the other end of the spread spectrum module is connect with the ground terminal, by adjusting the spread spectrum module
Inductively or capacitively parameter to adjust the circuit characteristic of first raddiating circuit and the second raddiating circuit, and then extends described the
The band limits of one aerial signal and the second aerial signal.
3. antenna according to claim 2, which is characterized in that the spread spectrum module include switching switch and with it is described
The first capacitor or the first inductance of switching switch connection；The third is accessed by first capacitor described in the switching switch control
The capacitance parameter of the spread spectrum module is adjusted between contact and the first ground terminal；Alternatively, passing through switching switch control institute
It states the first inductance and accesses between the third contact and the first ground terminal the inductance parameters for adjusting the spread spectrum module.
4. antenna according to claim 2, which is characterized in that the conductive bezels are additionally provided with the 4th contact, and described
Four contacts are between first contact and the second contact；
The antenna further includes the second ground terminal, and second ground terminal is electrically connected by the 4th contact with the conductive bezels
It connects；Wherein, the galvanic circle that second ground terminal, the conductive bezels and first power feeding module are formed constitutes third spoke
Transmit-receive radio road；The galvanic circle that second ground terminal, the conductive bezels and second power feeding module are formed constitutes the 4th spoke
Transmit-receive radio road.
5. antenna according to claim 1, which is characterized in that first power feeding module and the second power feeding module are configured
Not overlap the first antenna signal and the band limits of second aerial signal by changing tuner parameters.
6. antenna according to claim 5, which is characterized in that first power feeding module includes the first variable capacitance, institute
Stating the second power feeding module includes the second variable capacitance；By changing the capacitance characteristic of first variable capacitance to change described the
The tuner parameters of one power feeding module；By changing the capacitance characteristic of second variable capacitance to change second power feeding module
Tuner parameters.
7. antenna according to claim 5, which is characterized in that first power feeding module includes the first channel selector, the
Two capacitors and/or the second inductance control first channel selector respectively with second capacitor or the second inductance connection with shape
At the first access；Second power feeding module includes alternate path switch, third capacitor and/or third inductance, controls described the
Two channel selectors are respectively with second capacitor or the second inductance connection to form the first access.
8. antenna according to claim 7, which is characterized in that one end of first channel selector and second capacitor
Or second inductance connection, the other end ground connection of first channel selector；One end of alternate path switch with it is described
Third capacitor or third inductance connection, the other end ground connection of the alternate path switch.
9. antenna according to claim 1, which is characterized in that offer at least two gaps, institute on the conductive bezels
The first contact, second contact, the third contact are stated between two adjacent gaps.
10. a kind of mobile terminal, which is characterized in that including antenna as described in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810608035.1A CN108832296A (en) | 2018-06-13 | 2018-06-13 | Antenna and mobile terminal with the antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810608035.1A CN108832296A (en) | 2018-06-13 | 2018-06-13 | Antenna and mobile terminal with the antenna |
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| Publication Number | Publication Date |
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| CN108832296A true CN108832296A (en) | 2018-11-16 |
Family
ID=64145162
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|---|---|---|---|
| CN201810608035.1A Pending CN108832296A (en) | 2018-06-13 | 2018-06-13 | Antenna and mobile terminal with the antenna |
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| CN109687141A (en) * | 2019-01-04 | 2019-04-26 | Oppo广东移动通信有限公司 | Antenna module, method of controlling antenna and electronic device |
| CN109713446A (en) * | 2018-12-29 | 2019-05-03 | 瑞声精密制造科技(常州)有限公司 | Transmission line mould group, antenna modules and mobile terminal |
| CN109818137A (en) * | 2019-02-19 | 2019-05-28 | 深圳市和盈互联科技有限公司 | A kind of mobile terminal multi-antenna device |
| CN109860981A (en) * | 2019-04-02 | 2019-06-07 | 中天宽带技术有限公司 | A kind of mobile terminal mimo antenna and mobile terminal |
| CN110137681A (en) * | 2019-05-08 | 2019-08-16 | 清华大学 | A kind of broadband 5G MIMO antenna for mobile phone of capacitor-decoupling |
| CN111276797A (en) * | 2018-12-05 | 2020-06-12 | 青岛海信移动通信技术股份有限公司 | Antenna device and terminal |
| CN112635971A (en) * | 2019-09-24 | 2021-04-09 | 北京小米移动软件有限公司 | Antenna and mobile terminal |
| WO2021129832A1 (en) * | 2019-12-27 | 2021-07-01 | 维沃移动通信有限公司 | Antenna assembly and electronic device |
| CN113437475A (en) * | 2021-06-25 | 2021-09-24 | 歌尔科技有限公司 | Antenna device and portable electronic device |
| CN113454844A (en) * | 2019-02-19 | 2021-09-28 | 三星电子株式会社 | Multiple antennas and electronic device including the same |
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Application publication date: 20181116 |