CN108879116A - A kind of antenna system and terminal - Google Patents
A kind of antenna system and terminal Download PDFInfo
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- CN108879116A CN108879116A CN201810662036.4A CN201810662036A CN108879116A CN 108879116 A CN108879116 A CN 108879116A CN 201810662036 A CN201810662036 A CN 201810662036A CN 108879116 A CN108879116 A CN 108879116A
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- feed
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- antenna system
- arm
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q23/00—Antennas with active circuits or circuit elements integrated within them or attached to them
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- 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
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/50—Structural association of antennas with earthing switches, lead-in devices or lightning protectors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
- H01Q5/10—Resonant antennas
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
- H01Q5/20—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements characterised by the operating wavebands
- H01Q5/28—Arrangements for establishing polarisation or beam width over two or more different wavebands
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
- H01Q5/30—Arrangements for providing operation on different wavebands
- H01Q5/307—Individual or coupled radiating elements, each element being fed in an unspecified way
- H01Q5/314—Individual or coupled radiating elements, each element being fed in an unspecified way using frequency dependent circuits or components, e.g. trap circuits or capacitors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
- H01Q5/50—Feeding or matching arrangements for broad-band or multi-band operation
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- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- General Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
Abstract
The present invention provides a kind of antenna system and terminal, which is applied to the terminal with metal shell, and the metal shell is equipped with the gap of filling nonmetallic materials, and the metal shell has been separated to form resonance arm and coupling arm by the gap；The antenna system includes the resonance arm, the coupling arm, feed circuit and tuning circuit；Wherein, the first end of the tuning circuit connects the first feed point of the resonance arm, the second end of the tuning circuit connects the second feed point of the coupling arm, the third end of the tuning circuit is grounded, the first end of the feed circuit connects the resonance arm or the coupling arm, the second end ground connection of the feed circuit.The independent tuning of antenna system low frequency and medium-high frequency may be implemented in the present invention, can effectively realize that carrier wave polymerize antenna system, improve the radiation efficiency of antenna system, realize the covering of wide-band.In addition, to reduce the tuning circuit quantity of antenna system, and then reduce Antenna Design cost.
Description
Technical field
The present embodiments relate to field of communication technology more particularly to a kind of antenna systems and terminal.
Background technique
It improving with the development of science and technology, the communication technology is developed rapidly and significant progress, and with the communication technology
Raising, the popularization and improvement of electronic product to a unprecedented height, more and more terminals such as mobile phone, smart television
With computer etc. at indispensable a part in for people's lives.
While terminal is popularized, the functional type and performance requirement that user has terminal are higher and higher, such as audio
Function, camera function, camera function and fast charge charge function etc. all have become the necessary functions of terminal.
While increasingly being improved with the function of terminal, the aspect that the appearance and texture of terminal are also pursued at user,
And the terminal of metal shell, since outstanding metal-like has obtained the favor of more and more users.But in terminal enclosure gold
Under the smaller and smaller requirement of the empty regions of the enhancing and antenna that belong to texture demand, the Q value of antenna is increased, aerial radiation effect
Rate reduces and bandwidth narrows, so that existing antenna is difficult to realize wide-band covering.
Summary of the invention
The embodiment of the present invention provides a kind of antenna system and terminal, is difficult to realize wide-band covering to solve existing antenna
Problem.
To solve the above-mentioned problems, the invention is realized in this way：
In a first aspect, the embodiment of the invention provides a kind of antenna system, it is described applied to the terminal with metal shell
Metal shell be equipped with filling nonmetallic materials gap, the metal shell by the gap be separated to form resonance arm with
Coupling arm；The antenna system includes the resonance arm, the coupling arm, feed circuit and tuning circuit；Wherein, the tuning
The first end of circuit connects the first feed point of the resonance arm, and the second end of the tuning circuit connects the second of the coupling arm
Feed point, the third end ground connection of the tuning circuit, the first end of the feed circuit connect the resonance arm or the coupling arm,
The second end of the feed circuit is grounded.
Second aspect, the embodiment of the present invention also provide a kind of terminal, which includes antenna system as described above and gold
Belong to shell, the metal shell is equipped with the gap of filling nonmetallic materials, and the metal shell separates shape by the gap
At having resonance arm and coupling arm；The antenna system includes the resonance arm, the coupling arm, feed circuit and tuning circuit；
Wherein, the first end of the tuning circuit connects the first feed point of the resonance arm, and the second end of the tuning circuit connects institute
The second feed point of coupling arm, the third end ground connection of the tuning circuit are stated, the first end of the feed circuit connects the resonance
Arm or the coupling arm, the second end ground connection of the feed circuit.
In this way, by two cantilevers of resonance arm and coupling arm that setting is separated to form by gap on metal shell, and
Feed circuit is set on resonance arm or coupling arm, and tuning circuit is set between resonance arm and coupling arm.So as to logical
The low frequency tuning that resonance arm, feed circuit and tuning circuit realize antenna system is crossed, resonance arm, feed circuit and tuning electricity are passed through
The medium-high frequency tuning of antenna system is realized on road, and then realizes the independent tuning of antenna system low frequency and medium-high frequency, can effectively be realized
Carrier wave polymerize antenna system, improves the radiation efficiency of antenna system, realizes the covering of wide-band.
In addition, the feed circuit being arranged between resonance arm and coupling arm, the access connecting with resonance arm can be used for low
Frequency modulation is humorous, and the access connecting with coupling arm can be used for medium-high frequency tuning, so as to reduce the tuning circuit quantity of antenna system,
And then reduce Antenna Design cost.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, needed in being described below to the embodiment of the present invention
Attached drawing to be used is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention,
For those of ordinary skill in the art, without any creative labor, it can also obtain according to these attached drawings
Obtain other attached drawings.
Fig. 1 is one of the structure chart of antenna system provided in an embodiment of the present invention；
Fig. 2 is the two of the structure chart of antenna system provided in an embodiment of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are some of the embodiments of the present invention, instead of all the embodiments.Based on this hair
Embodiment in bright, every other implementation obtained by those of ordinary skill in the art without making creative efforts
Example, shall fall within the protection scope of the present invention.
In embodiments of the present invention, antenna system can be applied to the terminal with metal shell.Wherein, terminal can be
Mobile phone, tablet computer (Tablet Personal Computer), laptop computer (Laptop Computer), individual digital
Assistant (personal digital assistant, abbreviation PDA), mobile Internet access device (Mobile Internet Device,
Abbreviation MID) or wearable device (Wearable Device) etc..
Metal shell can be the rear shell of terminal, be also possible to the center or other metal parts of terminal, specifically can root
Determine that the embodiment of the present invention is not construed as limiting this according to the practical structures of terminal.
Metal shell is equipped with the gap of filling nonmetallic materials, and metal shell is separated to form ontology and two gold by gap
Belong to cantilever, two metal cantilevers are respectively resonance arm and coupling arm.It should be noted that gas, such as air it can be appreciated that
Nonmetallic materials.
In embodiments of the present invention, antenna system includes the resonance arm, the coupling arm, feed circuit and tuning electricity
Road；Wherein, the first end of the tuning circuit connects the first feed point of the resonance arm, the second end connection of the tuning circuit
The first end connection of second feed point of the coupling arm, the third end ground connection of the tuning circuit, the feed circuit is described humorous
It raises one's arm or the coupling arm, the second end of the feed circuit is grounded.
When specific implementation, a feed circuit can be only arranged in antenna system, and the first end of the feed circuit can connect
Connect any one of the resonance arm and the coupling arm, second end ground connection.
Certainly, two feed circuits also can be set in antenna system, and the first end of one of feed circuit is connected
The resonance arm, second end ground connection；The first end of another one feed circuit is connected into the coupling arm, second end ground connection.
For convenience of understanding, also referring to Fig. 1 and Fig. 2.
As shown in Figure 1, antenna system includes resonance arm 10, coupling arm 20, the first feed circuit 31 and tuning circuit 40.Its
In, the first feed point 11 of the first end connection resonance arm 10 of tuning circuit 40, the second end of tuning circuit 40 connects coupling arm 20
The second feed point 21, the third end ground connection of tuning circuit 40, the first end of the first feed circuit 31 connects resonance arm 10, the first feedback
The second end of source circuit 31 is grounded.
As shown in Fig. 2, antenna system includes resonance arm 10, coupling arm 20, the second feed circuit 32, third feed circuit 33
With tuning circuit 40.Wherein, the first feed point 11 of the first end connection resonance arm 10 of tuning circuit 40, the second of tuning circuit 40
Second feed point 21 of end connection coupling arm 20, the third end ground connection of tuning circuit 40, the 32 first ends connection of the second feed circuit
Resonance arm 10, the second end ground connection of the second feed circuit 32；The first end of third feed circuit 33 connects coupling arm 20, third feedback
The second end of source circuit 33 is grounded.
As it can be seen that the main distinction of Fig. 1 and antenna system shown in Fig. 2 is：In Fig. 1, antenna system is provided only with
One feed circuit 31, and the first feed circuit 31 connects resonance arm 10；In Fig. 2, antenna system is provided with the second feed circuit
32 and third feed circuit 33, and the second feed circuit 32 connects resonance arm 10, third feed circuit 33 connects coupling arm 20.
Wherein, resonance arm 10 and the uniform end of coupling arm 20 are grounded, and the other end is free end, and the free end of resonance arm 10 with
The opposite and interval opening A by gap in the free end of coupling arm 20 is arranged.
In fig. 1 and 2, resonance arm 10 and coupling arm 20 are L-shaped, and resonance arm 10 and coupling arm 20 can pass through connection
Ground terminal ground connection.Ground terminal can be mainly, i.e. main floor.Specifically, mainboard (pcb board) and coupled a sheet of
Whole metal, with antenna radiator, i.e. feed forms induced current, the reference ground as antenna.
It will be appreciated that the present invention and being not so limited the shape and resonance arm 10 of resonance arm 10 and coupling arm 20
With the earthing mode of coupling arm 20.
In other embodiments, resonance arm 10 and coupling arm 20 can also be in other shapes, such as linear, resonance arm
10 can also be grounded by other means with coupling arm 20, be such as grounded by metal shell or other component, specifically can be according to reality
Border needs to determine, the embodiment of the present invention is not construed as limiting this.
Wherein, the length of resonance arm 10 can be greater than the length of coupling arm 20, and resonance arm 10 can be used for generating low frequency
Resonance mode, coupling arm 20 can be used for generating the resonance mode of medium-high frequency.Therefore, resonance arm 10 is properly termed as low-frequency resonant
Arm, coupling arm 20 are properly termed as medium-high frequency coupling arm.
Tuning circuit 40 is arranged between resonance arm 10 and coupling arm 20.In this way, tuning circuit 40 is connect with resonance arm 10
Access can be used to implement low frequency tuning so that the low-frequency resonant of different frequency range may be implemented in resonance arm 10；Tuning circuit 40
The access connecting with coupling arm 20 can be used to implement medium-high frequency tuning, so that the middle height of different frequency range may be implemented in coupling arm 20
Frequency resonance.
Feed circuit is used for radiant electromagnetic energy, and feed circuit can provide different radiation energies, so that antenna
System can produce the resonance mode of low, middle and high frequency.
Specifically, in Fig. 1, resonance arm 10 is connected with the first feed circuit 31, and therefore, resonance arm 10 can directly pass through
First feed circuit 31 feed, generates the resonance mode of low frequency.Coupling arm 20 does not connect feed circuit, but coupling arm 20 can be with
Fed by way of coupling, i.e., the radiation energy of the first feed circuit 31 can through resonance arm 10, by the opening A in gap with
The mode of coupling is transferred to coupling arm 20, generates the resonance mode of medium-high frequency.
In Fig. 2, resonance arm 10 is connected with the second feed circuit 32, and therefore, resonance arm 10 can directly pass through the first feedback
Source circuit 31 is fed, and generates the resonance mode of low frequency.Coupling arm 20 is connected with third feed circuit 33, and therefore, coupling arm 20 can
It is fed with directly passing through third feed circuit 33, generates the resonance mode of medium-high frequency.
The antenna system of the present embodiment, by the way that the resonance arm and coupling arm that are separated to form by gap are arranged on metal shell
Two cantilevers, and feed circuit is set on resonance arm or coupling arm, and the setting tuning electricity between resonance arm and coupling arm
Road.So as to realize the low frequency tuning of antenna system by resonance arm, feed circuit and tuning circuit, pass through resonance arm, feedback
Source circuit and tuning circuit realize the medium-high frequency tuning of antenna system, and then realize that antenna system low frequency and the independent of medium-high frequency are adjusted
It is humorous, it can effectively realize that carrier wave polymerize antenna system, improve the radiation efficiency of antenna system, realize the covering of wide-band.
In addition, the feed circuit being arranged between resonance arm and coupling arm, the access connecting with resonance arm can be used for low
Frequency modulation is humorous, and the access connecting with coupling arm can be used for medium-high frequency tuning, so as to reduce the tuning circuit quantity of antenna system,
And then reduce Antenna Design cost.
Optionally, the first feed point 11 can be close to the free end of resonance arm 10；Second feed point 21 can be close to coupling arm 20
Free end.In this way, in the scene that coupling arm 20 is fed by way of coupling, can shorten the first feed point 11, opening A and
The distance between second feed point, 21 three so as to improve coupling effect, and then can increase covering frequency bandwidth.
Optionally, tuning circuit 40 includes N way switch 41 and N number of first matching element；Wherein, N way switch 41 is each
First matching element is connected in series in way switch, and K the first matching elements in N number of first matching element connect the first feed point
11, N-K the first matching elements in N number of first matching element in addition to above-mentioned K the first matching elements connect the second feed points
21；N is the positive integer greater than 1, and K is the positive integer less than N.
Wherein, the first matching element may include at least one in capacitor and inductance, and the every of N way switch 41 opens all the way
The collocation of at least one closed in the capacitor and inductance for the first matching element being connected in series can be different, so as to control
N way switch is in different on states, i.e., when N road of control is in different on states, antenna system different frequencies may be implemented
The tuning of section.
Specifically, the different on states on K road of the first feed point of control connection, may be implemented in antenna system low-frequency range
The tuning of different frequency range；The different on states on N-K road of control the second feed point of connection, may be implemented antenna system medium-high frequency
The tuning of different frequency range in section.
As it can be seen that in the present embodiment, antenna system can according to need the different on states of control N way switch, from
And can achieve the purpose that channel is expanded or is multiplexed, and then the tuning switch quantity of antenna can be reduced, reduce Antenna Design
Cost and switching loss.At the same time, the tuning of antenna system different frequency range can also be realized.
Further, in some embodiments, as depicted in figs. 1 and 2, N way switch 41 can show as four-way switch,
Then correspondingly, antenna system includes 4 the first matching elements, and each way switch of four-way switch is connected in series one first
With element.Wherein, 2 the first matching elements in 4 the first matching elements connect 11,4 the first matching elements of the first feed point
In other 2 the first matching elements connect the second feed point 21.
To distinguish 4 the first matching elements, in fig. 1 and 2, the successively label from left to right by 4 the first matching elements
It is 42,43,44 and 45.
As depicted in figs. 1 and 2, the first matching element of 2, left side in 4 the first matching elements marked as 42 and is marked
Number for 43 the first matching element connect 11,4 the first matching elements of the first feed point in the first matching element of 2, right side, i.e.,
The second feed point 21 is connected with the first matching element marked as 45 marked as 44.
At least one of it should be understood that in the capacitor and inductance of the first matching element marked as 42 and marked as 43
Collocation can be different, so as to realize antenna system by the different on states of 2 accesses of control the first feed point of connection
The tuning of different frequency range in low-frequency range；At least one in the capacitor and inductance of the first matching element marked as 44 and marked as 45
The collocation of item can be different, so as to pass through the different on states of 2 accesses of control the second feed point of connection, realization antenna
The tuning of different frequency range in system medium-high frequency section.
Specifically, in the conductive state in the branch where the first matching element marked as 42, first marked as 43
In the case that branch where matching element is in an off state, the tune of the first frequency range in antenna system low-frequency range may be implemented
It is humorous.
It is in an off state in the branch where the first matching element marked as 42, the first matching element marked as 42
In the case that the branch at place is in the conductive state, the tuning of the second frequency range in antenna system low-frequency range may be implemented.
It is in the conductive state in the branch where the first matching element marked as 43, the first matching element marked as 42
In the case that the branch at place is in the conductive state, the tuning of third frequency range in antenna system low-frequency range may be implemented.
Specifically, in the conductive state in the branch where the first matching element marked as 44, first marked as 45
In the case that branch where matching element is in an off state, the tune of tetra- frequency range of antenna system medium-high frequency Duan Zhong may be implemented
It is humorous.
It is in an off state in the branch where the first matching element marked as 44, the first matching element marked as 45
In the case that the branch at place is in the conductive state, the tuning of five frequency range of antenna system medium-high frequency Duan Zhong may be implemented.
It is in the conductive state in the branch where the first matching element marked as 45, the first matching element marked as 45
In the case that the branch at place is in the conductive state, the tuning of six frequency range of antenna system medium-high frequency Duan Zhong may be implemented.
Wherein, the specific range of the first frequency range in low-frequency range, the second frequency range and third frequency range specifically can be according to antenna
The structure of system designs, such as the first matching element marked as 42, the first matching element marked as 43, feed circuit it is specific
The form of expression determines that the embodiment of the present invention is not construed as limiting this.
The specific range of the 4th frequency range, the 5th frequency range and the 6th frequency range in medium-high frequency section specifically can be according to antenna system
Structure design, such as specific manifestation of the first matching element marked as 44, the first matching element, feed circuit marked as 45
Form determines that the embodiment of the present invention is not construed as limiting this.
As it can be seen that by the above-mentioned means, antenna system can according to need control four-way switch different on states, thus
It can achieve the purpose that channel is expanded or is multiplexed, and then the tuning switch quantity of antenna can be reduced, reduce antenna and be designed to
Sheet and switching loss.At the same time, the tuning of antenna system different frequency range can also be realized.
In fig. 1 and 2, N way switch includes a moved end (i.e. common end) and N number of non-moving end.It will be appreciated that this
The form of expression for inventing and being not so limited N way switch as N way switch can show as electronic switch, and can pass through chip
The on off operating mode of N way switch is controlled, can specifically be determined according to actual needs, the embodiment of the present invention is not construed as limiting this.
Optionally, as depicted in figs. 1 and 2, tuning circuit 40 further includes the second matching element 46, the second matching element 46
First end connects the second feed point 21, the second end ground connection of the second matching element 46.
In fig. 1 and 2,46 parallel connection N way switch 41 of the second matching element forms parallel-connection structure.
Second matching element is mainly used for medium-high frequency section antenna tuning.When specific implementation, as depicted in figs. 1 and 2, second
By-pass inductor can be shown as with element 46.It will be appreciated that the present invention and being not so limited the table of the second matching element 46
Existing form, in other embodiments, the second matching element 46 can also show as the adjustable coupling arm 20 such as shunt capacitance
Electrical length element.
In fig. 1 and 2, the second matching element 46 is a branch of tuning circuit 40, i.e. the second matching element 46 with
40 combination settings of tuning circuit.It will be appreciated that in other embodiments, the second matching element 46 can also be with tuning electricity
Road 40 is independently arranged.
It is illustrated below for the different expression form of feed circuit in Fig. 1 and Fig. 2.
In Fig. 1, feed circuit includes the first feed circuit 31 being electrically connected with resonance arm 10.
First feed circuit 31 includes the first feed 311 and the first feed match circuit 312 being connected in series.Specific implementation
When, the sequence of the first feed 311 and the first feed match circuit 312 in the first feed circuit 31 can be set according to actual needs
It sets, the embodiment of the present invention is not construed as limiting this.
Illustratively, as shown in Figure 1, the first feed match circuit 312 can connect resonance arm 10, the first feed 311 is connect
Ground.
When specific implementation, the first feed match circuit 312 may include m strip feed match circuit branch, and every branch
In the capacitor on road, inductance at least one of collocation it is different, m is positive integer.In this way, can be by the way that different sub- feeds be connected
With circuit, different radiation modes are in control the first feed circuit 31, and then realize the tuning of antenna system different frequency range.
Wherein, the first feed 311 is antenna radiator, as the carrier of radiant electromagnetic energy, can be sheet metal, but
It is not limited only to this.
Optionally, as shown in Figure 1, the first feed match circuit 312 includes third matching element 3121, the 4th matching element
3122 and first tuning switch 3123；Wherein, third matching element 3121 and the 4th matching element 3122 constitute the first sub- feed
Match circuit；Third matching element 3121 and the first tuning switch 3123 constitute the second sub- feed match circuit.
Wherein, the first tuning switch is mainly used for multiband and the tuning switching of one-segment state.Specifically, in the first tuning
When switch 3123 is in the conductive state, the second sub- feed match circuit is in the conductive state, and the tuning of antenna intermediate frequency may be implemented；?
When first tuning switch 3123 is in an off state, the first sub- feed match circuit is in the conductive state, may be implemented low frequency and
High-frequency tuning.So as to optimize the radiation efficiency of antenna.
In Fig. 2, feed circuit includes the second feed circuit 32 for connecting resonance arm 10, and the of connection coupling arm 20
Three feed circuits 33.
Second feed circuit 32 includes the second feed 321 and the second feed match circuit 322 being connected in series；Third feed
Circuit 33 includes the third feed 331 and third feed match circuit 332 being connected in series；Wherein, the second feed match circuit 322
Connect resonance arm 10, the second feed 321 ground connection；Third feed match circuit 332 connects coupling arm 20, and third feed 331 connects
Ground.
In this embodiment, the second feed circuit 32 can be used for generating low frequency radiation, and third feed circuit 33 can be with
For generating medium-high frequency radiation.
When specific implementation, the second feed match circuit 322 may include k strip feed match circuit branch, and every branch
In the capacitor on road, inductance at least one of collocation it is different, k is positive integer.In this way, can be by the way that different sub- feeds be connected
With circuit, different radiation modes are in control the second feed circuit 32, and then realize different frequency range in antenna system low frequency
Tuning.
Third feed match circuit 332 may include q strip feed match circuit branch, and the capacitor of every branch, electricity
The collocation of at least one in sense is different, and q is positive integer.In this way, can be by the way that different sub- feed match circuits be connected, to control
Third feed match circuit 332 processed is in different radiation modes, and then realizes the tuning of different frequency range in antenna system medium-high frequency.
Wherein, the second feed 321 and third feed 331 are antenna radiators, can as the carrier of radiant electromagnetic energy
To be sheet metal, but it is not limited only to this.
Optionally, as shown in Fig. 2, the second feed match circuit 322 may include the matching of the 5th matching element the 3321, the 6th
Element 3322 and the second tuning switch 3323；Third feed match circuit 332 may include the 7th matching element；Wherein, the 5th
Matching element 3321 and the 6th matching element 3322 constitute the sub- feed match circuit of third；5th matching element 3321 and second is adjusted
Humorous switch 3323 constitutes the 4th sub- feed match circuit.
In Fig. 2, the structure phase of the structure of the second feed match circuit 322 and the first feed match circuit 312 in Fig. 1
Together, but in other embodiments, the second feed match circuit 322 can also show as other forms, specifically can be according to reality
It needs to determine, the embodiment of the present invention is not construed as limiting this.
It should be noted that in embodiments of the present invention, the master in terminal can be set in feed circuit and tuning circuit
On plate.At this point, feed circuit and tuning circuit can be connected by metal connecting piece with feed point.
Feed circuit and tuning circuit are for adjusting in working frequency range internal impedance, so that impedance conjugation before and after circuit, matching
Well.
In addition, may include in each matching element of feed circuit and tuning circuit capacitor, in inductance at least one of, into
One step, it can also include switch, to form different match circuits.
It should be noted that the embodiment for the plurality of optional introduced in the embodiment of the present invention, as depicted in figs. 1 and 2, that
This realization that can be combined with each other；It is of course also possible to be implemented separately, this embodiment of the present invention is not construed as limiting.
The antenna system of the embodiment of the present invention at least has following improvement：
On the one hand, by design low-frequency resonant arm 10 and medium-high frequency coupling arm 20, frequency can be realized on antenna structure
Rate is relatively independent.
On the other hand, the tuning circuit 40 between resonance arm 10 and coupling arm 20 is set, is connect with resonance arm 10
Branch is tuned for low frequency, and the branch connecting with coupling arm 20 is tuned for medium-high frequency, so as to realize low frequency and medium-high frequency
Tuning mode is relatively independent, while can reduce the tuning circuit quantity of antenna, and then reduces Antenna Design cost.
After the structure for determining feed circuit and tuning circuit 40, when specific implementation, can by adjust feed circuit and
The combination between conducting and disconnection switched in tuning circuit 40, to adjust the frequency range of antenna system and the width of band bandwidth
Degree, to realize antenna under the requirement for meeting the needs of metal shell texture and small headroom environment, may be implemented low middle height
The covering of band bandwidth.
Below between CA the frequency band of different scenes (Carrier Aggregation, carrier wave polymerization) antenna tuning design into
Row illustrates.
Wherein, LB (Low Band, low-frequency band) can specifically show as the frequency range of 700MHz~960MHz；MB
(Middle Band, mf band) can specifically show as the frequency range of 1710MHz~2170MHz；HB (High Band, intermediate frequency
Wave band) it can specifically show as the frequency range of 2300MHz~2690MHz.It will be appreciated that International Standard may wrap it
The band limits included is repartitioned, and the present invention can not be influenced by dividing.
Bx is the general name of each frequency band, and the full name of B is Band, can be construed to frequency band, indicates the frequency standardized in international standard
Band, such as B1, B3, B41 etc., wherein the frequency range of B1 is 1920-2170MHz, and the frequency range of B3 is 1710-1880MHz,
The frequency range of B41 is 2500-2690MHz.
Scene one, the design of low-frequency range antenna tuning.
Illustratively, when the access in N way switch for low frequency tuning is in an off state, low-frequency resonant arm can lead to
The work of feed Circuit Matching is crossed in B8 frequency range：
The tuning of B5 frequency range can match realization by certain tuned in conducting N way switch for low frequency all the way, general to match
Total capacitance had both been able to achieve tuning design in 0.3pF or so, and pF can be construed to pico farad.
The tuning of B12 or B28 frequency range can be real by certain one or more matching in conducting N way switch for low frequency tuning
Existing, general matching total capacitance had both been able to achieve tuning design in 0.8-2pF or so.
Since to may be implemented frequency relatively independent for the embodiment of the present invention, when carrying out the design of low-frequency range antenna tuning,
The access that coupling arm is connected in N way switch can be the state of being switched on or off.
Scene two, the design of medium-high frequency section antenna tuning.
Illustratively, when the access in N way switch for low frequency tuning is in an off state, coupling arm can pass through feedback
Source circuit matching and the effect work of by-pass inductor are in B3 frequency range：
The tuning of B1 or B39 frequency range can by matching realization all the way for certain of medium-high frequency tuning in conducting N way switch, one
As be to be tuned using inductance element.
The tuning of B40 frequency range can pass through certain one or more matching inductance in conducting N way switch for medium-high frequency tuning
It realizes, general matching total inductance had both been able to achieve tuning design in 2-4nH or so, and nH can be construed to nanohenry.
The tuning of B41 frequency range can then pass through certain one or more matching electricity in conducting N way switch for medium-high frequency tuning
Sense is realized, matching capacitance realization all the way also can be used, and about 0.8-2pF or so had both been able to achieve B41 tuning design.
CA antenna tuning designs between scene three, MB frequency band.
Illustratively, B1 and B3CA Antenna Design：It can be by adjusting inductance of the N way switch for medium-high frequency tuning access
The auxiliary tuning of first tuning switch in component parameters and low-frequency resonant arm, CA antenna is set between B1 and B3 frequency band may be implemented
Meter.
CA antenna tuning designs between scene four, MB and HB frequency band.
Illustratively, B3 and B7CA Antenna Design：It can be by adjusting inductance of the N way switch for medium-high frequency tuning access
The auxiliary tuning of first tuning switch in component parameters and low-frequency resonant arm, CA antenna is set between B3 and B7 frequency band may be implemented
Meter.
Antenna tuning design principle can refer to foregoing description, not make exhaustion herein.
As it can be seen that the antenna system of your embodiment through the invention, may be implemented multiband and design coexists.
The embodiment of the present invention also provides a kind of terminal, which includes antenna system as described above and metal shell, institute
The gap that metal shell is equipped with filling nonmetallic materials is stated, the metal shell has been separated to form resonance arm by the gap
And coupling arm；The antenna system includes the resonance arm, the coupling arm, feed circuit and tuning circuit；Wherein, the tune
The first end of humorous circuit connects the first feed point of the resonance arm, and the second end of the tuning circuit connects the of the coupling arm
Two feed points, the third end ground connection of the tuning circuit, the first end of the feed circuit connect the resonance arm or the coupling
Arm, the second end ground connection of the feed circuit.
Wherein, the structure of antenna system is referred to above-described embodiment, and details are not described herein.Due to using above-mentioned implementation
Antenna system in example, therefore terminal provided in an embodiment of the present invention has the institute of above-mentioned antenna system effective, to avoid weight
Multiple, details are not described herein.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all contain
Lid is within protection scope of the present invention.Therefore, protection scope of the present invention should be subject to the protection scope in claims.
Claims (9)
1. a kind of antenna system, applied to the terminal with metal shell, which is characterized in that the metal shell is equipped with filling
The gap of nonmetallic materials, the metal shell are separated to form resonance arm and coupling arm by the gap；
The antenna system includes the resonance arm, the coupling arm, feed circuit and tuning circuit；
Wherein, the first end of the tuning circuit connects the first feed point of the resonance arm, and the second end of the tuning circuit connects
The second feed point of the coupling arm is connect, the third end of the tuning circuit is grounded, described in the first end connection of the feed circuit
Resonance arm or the coupling arm, the second end ground connection of the feed circuit.
2. antenna system according to claim 1, which is characterized in that the tuning circuit includes N way switch and N number of first
Matching element；
Wherein, first matching element, N number of first matching element is connected in series in each way switch of the N way switch
In K the first matching elements connect first feed points, except the K first matching member in N number of first matching element
N-K the first matching elements except part connect second feed point；N is the positive integer greater than 1, and K is the positive integer less than N.
3. antenna system according to claim 2, which is characterized in that the tuning circuit further includes the second matching element,
The first end of second matching element connects second feed point, the second end ground connection of second matching element.
4. antenna system according to claim 1, which is characterized in that the feed circuit includes being electrically connected with the resonance arm
The the first feed circuit connect；
The first feed circuit includes the first feed and the first feed match circuit being connected in series.
5. antenna system according to claim 4, which is characterized in that the first feed match circuit includes third matching
Element, the 4th matching element and the first tuning switch；
Wherein, the third matching element and the 4th matching element constitute the first sub- feed match circuit；The third
The second sub- feed match circuit is constituted with element and first tuning switch.
6. antenna system according to claim 1, which is characterized in that the feed circuit includes connecting the resonance arm
Second feed circuit, and the third feed circuit of the connection coupling arm；
The second feed circuit includes the second feed and the second feed match circuit being connected in series；The third feed circuit
Third feed and third feed match circuit including series connection.
7. antenna system according to claim 6, which is characterized in that the second feed match circuit includes the 5th matching
Element, the 6th matching element and the second tuning switch；The third feed match circuit includes the 7th matching element；
Wherein, the 5th matching element and the 6th matching element constitute the sub- feed match circuit of third；Described 5th
The 4th sub- feed match circuit is constituted with element and second tuning switch.
8. antenna system according to claim 1, which is characterized in that the resonance arm and the uniform termination of the coupling arm
Ground, the other end is free end, and the free end of the resonance arm is opposite with the free end of the coupling arm and is spaced setting, described
First feed point is close to the free end of the resonance arm, and second feed point is close to the free end of the coupling arm.
9. a kind of terminal, which is characterized in that including antenna system such as described in any item of the claim 1 to 8.
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| CN201810662036.4A CN108879116B (en) | 2018-06-25 | 2018-06-25 | Antenna system and terminal |
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| CN201810662036.4A CN108879116B (en) | 2018-06-25 | 2018-06-25 | Antenna system and terminal |
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| CN108879116B CN108879116B (en) | 2021-06-18 |
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Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| CN109687110A (en) * | 2018-12-28 | 2019-04-26 | 维沃移动通信有限公司 | A kind of antenna structure and communication terminal |
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Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104377423A (en) * | 2013-08-12 | 2015-02-25 | 宏碁股份有限公司 | Movable device |
| US20150180132A1 (en) * | 2013-12-23 | 2015-06-25 | Saku Lahti | Electrically tunable miniature antenna |
| CN105531870A (en) * | 2013-07-19 | 2016-04-27 | 诺基亚技术有限公司 | Apparatus and methods for wireless communication |
| CN105633555A (en) * | 2016-01-25 | 2016-06-01 | 宇龙计算机通信科技(深圳)有限公司 | Antenna switching assembly, switching method, switching system, antenna and mobile terminal |
| CN105826653A (en) * | 2015-11-30 | 2016-08-03 | 维沃移动通信有限公司 | Antenna device and mobile terminal |
| CN205846212U (en) * | 2016-07-01 | 2016-12-28 | 瑞声科技(新加坡)有限公司 | Whole frequency band antenna structure of mobile phole |
| CN206148617U (en) * | 2016-10-24 | 2017-05-03 | 广东欧珀移动通信有限公司 | Antenna device and mobile terminal |
| CN107039766A (en) * | 2017-04-28 | 2017-08-11 | 维沃移动通信有限公司 | A kind of antenna assembly and electronic equipment |
| CN107069223A (en) * | 2017-01-23 | 2017-08-18 | 西安易朴通讯技术有限公司 | Tunable antenna and terminal |
| CN107645055A (en) * | 2017-08-28 | 2018-01-30 | 维沃移动通信有限公司 | A kind of antenna system and mobile terminal |
| CN107732449A (en) * | 2017-11-20 | 2018-02-23 | 广东欧珀移动通信有限公司 | The circuit board assemblies and terminal device of antenna radiation performance can be improved |
| CN107959106A (en) * | 2017-11-14 | 2018-04-24 | 维沃移动通信有限公司 | A kind of antenna assembly and mobile terminal |
| CN107994328A (en) * | 2017-12-28 | 2018-05-04 | 广东欧珀移动通信有限公司 | Antenna module, housing and mobile terminal |
-
2018
- 2018-06-25 CN CN201810662036.4A patent/CN108879116B/en active Active
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105531870A (en) * | 2013-07-19 | 2016-04-27 | 诺基亚技术有限公司 | Apparatus and methods for wireless communication |
| CN104377423A (en) * | 2013-08-12 | 2015-02-25 | 宏碁股份有限公司 | Movable device |
| US20150180132A1 (en) * | 2013-12-23 | 2015-06-25 | Saku Lahti | Electrically tunable miniature antenna |
| CN105826653A (en) * | 2015-11-30 | 2016-08-03 | 维沃移动通信有限公司 | Antenna device and mobile terminal |
| CN105633555A (en) * | 2016-01-25 | 2016-06-01 | 宇龙计算机通信科技(深圳)有限公司 | Antenna switching assembly, switching method, switching system, antenna and mobile terminal |
| CN205846212U (en) * | 2016-07-01 | 2016-12-28 | 瑞声科技(新加坡)有限公司 | Whole frequency band antenna structure of mobile phole |
| CN206148617U (en) * | 2016-10-24 | 2017-05-03 | 广东欧珀移动通信有限公司 | Antenna device and mobile terminal |
| CN107069223A (en) * | 2017-01-23 | 2017-08-18 | 西安易朴通讯技术有限公司 | Tunable antenna and terminal |
| CN107039766A (en) * | 2017-04-28 | 2017-08-11 | 维沃移动通信有限公司 | A kind of antenna assembly and electronic equipment |
| CN107645055A (en) * | 2017-08-28 | 2018-01-30 | 维沃移动通信有限公司 | A kind of antenna system and mobile terminal |
| CN107959106A (en) * | 2017-11-14 | 2018-04-24 | 维沃移动通信有限公司 | A kind of antenna assembly and mobile terminal |
| CN107732449A (en) * | 2017-11-20 | 2018-02-23 | 广东欧珀移动通信有限公司 | The circuit board assemblies and terminal device of antenna radiation performance can be improved |
| CN107994328A (en) * | 2017-12-28 | 2018-05-04 | 广东欧珀移动通信有限公司 | Antenna module, housing and mobile terminal |
Non-Patent Citations (2)
| Title |
|---|
| ELPINIKI TSAKALAKI: "Concurrent Communication and Sensing in Cognitive Radio Devices: Challenges and an Enabling Solution", 《IEEE》 * |
| 袁博: "多频带缝隙天线设计与研究", 《中国博士学位论文全文数据库》 * |
Cited By (27)
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|---|---|---|---|---|
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| EP3896790A4 (en) * | 2018-12-12 | 2022-01-26 | Vivo Mobile Communication Co., Ltd. | Antenna structure and communication terminal |
| US11909130B2 (en) | 2018-12-12 | 2024-02-20 | Vivo Mobile Communication Co., Ltd. | Antenna structure and communications terminal |
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| WO2021160066A1 (en) * | 2020-02-14 | 2021-08-19 | 维沃移动通信有限公司 | Antenna and electronic device |
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