CN107181045A - A kind of antenna of mobile terminal and the mobile terminal with the antenna - Google Patents
A kind of antenna of mobile terminal and the mobile terminal with the antenna Download PDFInfo
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- CN107181045A CN107181045A CN201710464235.XA CN201710464235A CN107181045A CN 107181045 A CN107181045 A CN 107181045A CN 201710464235 A CN201710464235 A CN 201710464235A CN 107181045 A CN107181045 A CN 107181045A
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- antenna
- feed assembly
- mobile terminal
- electric capacity
- resonance circuit
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- 239000002184 metal Substances 0.000 claims abstract description 18
- 229910052751 metal Inorganic materials 0.000 claims abstract description 18
- 230000005404 monopole Effects 0.000 claims abstract description 9
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 8
- 239000003990 capacitor Substances 0.000 claims description 3
- 238000013461 design Methods 0.000 abstract description 10
- 230000000694 effects Effects 0.000 abstract description 5
- 230000004044 response Effects 0.000 description 18
- 230000005855 radiation Effects 0.000 description 17
- 238000010586 diagram Methods 0.000 description 6
- 230000000712 assembly Effects 0.000 description 5
- 238000000429 assembly Methods 0.000 description 5
- 238000004891 communication Methods 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000009514 concussion Effects 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
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- 230000005611 electricity Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000000644 propagated effect Effects 0.000 description 2
- 230000000191 radiation effect Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—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
- H01Q1/50—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
- H01Q5/20—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
- H01Q5/50—Feeding or matching arrangements for broad-band or multi-band operation
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q7/00—Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
- H01Q9/04—Resonant antennas
- H01Q9/30—Resonant antennas with feed to end of elongated active element, e.g. unipole
Abstract
The invention provides a kind of antenna of mobile terminal and the mobile terminal with the antenna, the mobile terminal has metal shell, the cleaved formation gap in end of the metal shell, the metal shell is divided into narrow body portion and the body of opposite side of end edge side by gap, and the antenna includes the first resonance circuit and the second resonance circuit；First resonance circuit and the slot-coupled, including the first radiant body, the feed end located at the body, the first earth terminal located at body, the first feed assembly and the 4th feed assembly, constitute coil antenna unit；Second resonance circuit and the slot-coupled, including the second radiant body, located at the 4th earth terminal of the body and the second feed assembly, constitute monopole antenna element.Technical scheme reduces the component number and whole design complexities of antenna, reduces cost；Reduce influence of user's hand effect to antenna performance.
Description
Technical field
The present invention relates to field of mobile terminals, more particularly to a kind of mobile terminal antenna and mobile end with the antenna
End.
Background technology
Nowadays, with the development of the communication technology, 2G, 3G, 4G, WIFI, GPS network network coexist, for compatible heterogeneous networks, move
The antenna of dynamic equipment is required to be operated in multiple frequency ranges.In mobile terminal device field, the design environment of antenna is very
Complexity, space is limited, and must consider and other functional unit communal space structures.One of limitation is exactly merely to set
A kind of single antenna of meter can not cover required all frequency bands, in order to meet the demand in multiple band operations, just necessary
Design multiple antenna elements.In addition, in recent years wireless telecommunications system frequently with metal as housing, relative to conventional plastic machine
There is provided more preferable aesthetic for casing equipment.However, being set because most of signal can all be hindered by metal parts, therefore to be this kind of
Standby designing antenna technical difficulty is very high.
Prior art has made effort to solving this problem, and conventional technical scheme is that seam is set in metal chassis
Gap, carries out Antenna Design on the basis of the gap structure.Such as U.S. Patent Publication specification (publication number：US9350081B2)
A kind of changeable many radiant body broad-band antenna equipment and the method for controlling the equipment are disclosed, the antenna equipment is moved located at hand-held
Dynamic equipment (such as cell phone or smart mobile phone), can be operated in low-frequency range and high band.The antenna equipment includes a gold
Belong to radiant body, two feed assemblies and a grounding assembly.One feed assembly is used to adjust the antenna simultaneously in low-frequency range
And high band operation.Another feed assembly is used to make the world in high band operation.One switch module is used to change described
The signal flow direction of feed assembly.When the equipment works, the body (such as hand) of user may cover or hinder it
In an antenna module.For the situation of antenna module hydraulic performance decline that is capped or hindering, the signal flow direction can be automatic
Another component is switched to, so as to lift the robustness of mobile device.
Prior art realizes the support to multiple communication bands by setting multiple antenna modules in mobile device, so
And still suffer from problems with：
1. the antenna design of prior art is in low-frequency band (LB) narrower bandwidth, in order to cover whole low-frequency range, warp
Often need 3-4 frequency modulation state；
2. all frequency ranges are if desired covered in same mobile device, it is necessary to multiple fm components；
3. it is highly difficult to obtain optimal performance on low frequency, intermediate frequency, high frequency simultaneously,
4. it can not access all fm components with a single antenna feed point.
Therefore need to design a kind of antenna suitable for mobile terminal, can meet many using limited design environmental conditions
The work requirements of individual frequency range, while reducing component cost.
The content of the invention
In order to overcome above-mentioned technological deficiency, it is an object of the invention to provide a kind of antenna of mobile terminal, by institute
State and gap is set on the metal shell of mobile terminal, based on the slit design coupled antenna, realize covering multiband and saving
The technique effect of component cost.
The invention discloses a kind of antenna of mobile terminal, the mobile terminal has metal shell, the metal shell
The cleaved formation gap in end, the metal shell is divided into narrow body portion and the sheet of opposite side of end edge side by gap
Body portion, the antenna includes the first resonance circuit and the second resonance circuit；First resonance circuit and the slot-coupled, bag
Include the first radiant body, the feed end located at the body, the first earth terminal located at body, the first feed assembly and the 4th
Feed assembly, constitutes coil antenna unit；Second resonance circuit and the slot-coupled, including the second radiant body, be located at
4th earth terminal of the body and the second feed assembly, constitute monopole antenna element.
Preferably, first radiant body is in open annular, and located at the narrow body portion, one end of the opening extends to institute
Slot edge formation first end is stated, the first end is connected by the first feed assembly with first earth terminal, described
First feed assembly includes the first inductance and the first electric capacity of concatenation；The other end of the opening extends to form along the gap
Two ends, the second end is connected by the 4th feed assembly with the feed end, and the 4th feed assembly includes
The second inductance and signal source of concatenation, second inductance are located in the gap and orientation and the second end phase
Together.
Preferably, first resonance circuit also includes the second earth terminal located at the body；First radiation
The other end of body opening extends to the 3rd end of body formation along with the second end orthogonal direction；Described first is humorous
The circuit that shakes also includes the 5th feed assembly, and the 5th feed assembly also includes the second electric capacity, and the 3rd end passes through described
Second electric capacity is connected with second earth terminal.
Preferably, second radiant body is monopole type；Second feed assembly includes the 3rd inductance and the of concatenation
Three electric capacity.
Preferably, the antenna also includes ground connection switching circuit, and with the slot-coupled, the ground connection switching circuit includes
3rd radiant body, located at the 3rd earth terminal of the body and the 3rd feed assembly.
Preferably, the 3rd radiant body is monopole type；3rd feed assembly include switching switch, the 4th electric capacity and
Grounding resistance, the 4th electric capacity and grounding resistance are connected to the 3rd radiant body, the switching switch selection the described 4th
Electric capacity or grounding resistance are connected with the 3rd earth terminal.
Preferably, first inductance, the 3rd inductance are controllable impedance, and second electric capacity is tunable capacitor.
The invention also discloses a kind of mobile terminal, including any of the above-described kind of antenna.
Preferably, first antenna and the second antenna are provided with the mobile terminal, both structures are identical and axially symmetric.
Employ after above-mentioned technical proposal, compared with prior art, have the advantages that：
1. more frequency ranges can be capped under same antenna frequency modulation state, thus can reduce component number with
And whole design complexities, reduce cost；
2. reduce influence of user's hand effect to antenna performance.
Brief description of the drawings
Fig. 1 is the structural representation for meeting the antenna of mobile terminal in one embodiment of the present invention；
Fig. 2 is the topological structure schematic diagram for meeting the antenna of mobile terminal in one embodiment of the present invention；
Fig. 3 is the detailed construction schematic diagram for meeting the antenna of mobile terminal in one embodiment of the present invention；
Fig. 4 is the structural representation for meeting the antenna of mobile terminal in another preferred embodiment of the invention；
Fig. 5 is the antenna radiation efficiency experimental result schematic diagram for meeting mobile terminal in one embodiment of the present invention；
Fig. 6 is the antenna frequency response experimental result schematic diagram for meeting mobile terminal in one embodiment of the present invention.
Reference：
The narrow body portion of 10- antennas, 20- metal shells, 21-, 22- bodies, 23- gaps, the resonance circuits of 30- first, 31-
One radiant body, 311- first ends, 312- the second ends, the ends of 313- the 3rd, 32- feed ends, the earth terminals of 33- first, 34-
One feed assembly, the inductance of 341- first, the electric capacity of 342- first, the feed assemblies of 35- the 4th, the inductance of 351- second, 352- signal sources,
The earth terminals of 36- second, the feed assemblies of 37- the 5th, the electric capacity of 371- second, the resonance circuits of 40- second, the radiant bodies of 41- second, 42-
4th earth terminal, the feed assemblies of 43- second, the inductance of 431- the 3rd, the electric capacity of 432- the 3rd, 50- ground connection switching circuit, 51- the 3rd
Radiant body, the earth terminals of 52- the 3rd, the feed assemblies of 53- the 3rd, 531- switching switch, the electric capacity of 532- the 4th, 533- grounding resistances,
60- first antennas, 70 second antennas, the radiation efficiency curves of 81- first, the radiation efficiency curves of 82- second, the radiation effects of 83- the 3rd
Rate curve, 91- first bands response curve, 92- second bands response curve, the frequency response curves of 93- the 3rd.
Embodiment
Advantages of the present invention is expanded on further below in conjunction with accompanying drawing and specific embodiment.
Refering to Fig. 1, for the structural representation for the antenna 10 for meeting mobile terminal in one embodiment of the present invention, the shifting
Dynamic terminal includes：
- metal shell 20
The metal shell 20, located at the mobile terminal surface, the main narrow side including the back side and surrounding, for pacifying
Fill and protect the internal part of the mobile terminal.The cleaved formation gap 23 in end of the metal shell 20, the metal
Shell is divided into narrow body portion 21 and the body 22 of opposite side of end edge side by gap 23.The gap 23 can be located at
The upper end of the mobile terminal, can also be located at the bottom of the mobile terminal.The gap 23 is filled by nonmetallic materials,
To completely cut off the narrow body portion 21 and body 22, the narrow body portion 21 and body 22 is set to be in state of insulation, and according to feed
The signal of component carries out concussion sensing.
The antenna 10 includes：
- the first resonance circuit 30
First resonance circuit 30, is coupled with the gap 23, including the first radiant body 31, the feedback located at the body 22
Electric end 32, the first earth terminal 33, the first feed assembly 34 and the 4th feed assembly 35 located at body 22, constitute coil antenna
Unit.The frequency of the oscillating circuit of so-called resonance, i.e., one makes oscillating circuit that it is vibrating with another (or electromagnetism
Ripple) occur resonance.Effect of first resonance circuit 30 in the antenna 10 be it is vital, it is humorous without described first
Shake circuit 30, and the antenna 10 can not just produce concussion, also just can not send or receive electromagnetic wave signal.
First radiant body 31 is antenna in the narrow sense, and it is a kind of converter, and it is the letter propagated on wire medium
Number, the electromagnetic wave propagated in unbounded medium (being typically free space) is transformed into, or carry out opposite conversion；It is wireless
It is used for launching or receiving the part of electromagnetic wave in electric equipment.It is radio communication, broadcast, TV, radar, navigation, electronic countermeasure, distant
The engineering systems such as sense, radio astronomy, it is every using electromagnetic waves to transmission information, antenna is depended on to be operated.Usual day
Line all has invertibity, i.e., both can be used as transmitting antenna with common antenna, it is also possible to make reception antenna；The same antenna is used as transmitting
Or the fundamental characteristics parameter received is identical；That is the reciprocal theorem of antenna.In the present embodiment, the intension of the antenna 10 is than narrow
The antenna of justice will enrich, and further comprises the components such as the first resonance circuit 30, the second resonance circuit 40 so that the antenna 10 can
It is operated in multiple frequency ranges, and frequency-adjustable section.The antenna 10 is operated in the frequency range of mobile communications network, including 2G, 3G, 4G
Etc. multiple network standard, the mobile terminal is supported to carry out information exchange with outside.
The coupling refers to exist tightly between the input and output of two or more circuit elements or electric network etc.
Close fit is with influencing each other, and the phenomenon by interacting from a lateral opposite side transmission energy.In the present embodiment, described
One resonance circuit 30 is coupled with the gap 23, i.e., there occurs the sensing of electric energy and electromagnetic energy between the two, so as to launch electricity
Magnetic wave receives electromagnetic wave, realizes signal transfer functions.The loop aerial is that a plain conductor is coiled into a setting
Shape, such as circular, square, triangle is used as the structure of output end using conductor two ends.Particularly small-sized loop aerial is actual
Middle application is most, and antenna, portable station in Source Music receive antenna, radionavigation positioning antenna, field intentisy meter
Probe antenna etc..In the present embodiment, all parts of first resonance circuit 30 constitute ring antenna unit, give full play to
The advantage of loop aerial.The feed end 32 connects the antenna 10 and feeder line, signal input part as the antenna 10 or
Output end.In the present embodiment, the feed end 32 only has one, i.e., the multifrequency of the antenna 10 is realized by a feed end 32
Section covering, this is also the technological merit of the present invention, has saved design space, has taken full advantage of antenna structure resource.
- the second resonance circuit 40
Second resonance circuit 40, is coupled with the gap 23, including the second radiant body 41, located at the body 22
Four earth terminals 42 and the second feed assembly 43, constitute monopole antenna element.The unipole antenna is vertical quarter-wave
Long antenna, antenna is equivalent on a ground plane, it can be actual ground or car body, human body etc. equally
Face.In the present embodiment, all parts of second resonance circuit 40 constitute unipole antenna, are connected across the two of the gap 23
Side, its ground plane is the body 22.
- ground connection switching circuit 50
Switching circuit 50 is grounded, is coupled with the gap 23, the ground connection switching circuit 50 includes the 3rd radiant body 51, set
In the 3rd earth terminal 52 and the 3rd feed assembly 53 of the body 22.The ground connection switching circuit 50 is in monopole type, bridging
Both sides in the gap 23, its ground plane is the body 22.
In summary, the structure of the antenna 10 shown in Fig. 1 is macrostructure, it can be seen that first resonance circuit
30th, the second resonance circuit 40, ground connection switching circuit 50 and the laying structure in the gap 23, the internal structure of foregoing circuit is under
Text is elaborated.
Refering to Fig. 2, for the topological structure schematic diagram for the antenna 10 for meeting mobile terminal in one embodiment of the present invention, exhibition
Show that the connection between first resonance circuit 30, the second resonance circuit 40 and each part in inside of ground connection switching circuit 50 is closed
System.
First resonance circuit 30, in addition to located at the second earth terminal 36 of body 22 and the 5th feed assembly 37.
First radiant body 31 is connected with first feed assembly 34, the 4th feed assembly 35, the 5th feed assembly 37；Described
One feed assembly 34 is connected with first earth terminal 33；4th feed assembly 35 is connected with the feed end 32；It is described
5th feed assembly 37 is connected with second earth terminal 36.
Inside second resonance circuit 40, second radiant body 41 is connected with second feed assembly 43, described
Second feed assembly 43 is connected with the 4th earth terminal 42.
Inside the ground connection switching circuit 50, the 3rd radiant body 51 is connected with the 3rd feed assembly 53, described
3rd feed assembly 53 is connected with the 3rd earth terminal 52.
Refering to Fig. 3, to meet the detailed construction schematic diagram of the antenna of mobile terminal in one embodiment of the present invention, enter one
Step describes first resonance circuit 30, the second resonance circuit 40 and the Inner Constitution for being grounded switching circuit 50 and structure spy
Levy.
First radiant body 31 is in open annular, located at the narrow body portion 21, and one end of the opening extends to described
The edge of gap 23 formation first end 311, the first end 311 passes through the first feed assembly 34 and first earth terminal 33
Connection.The other end of the opening forms the second end 312 along the gap 23 extension, and the second end 312 is by described
4th feed assembly 35 is connected with the feed end 32.Other end edge and the orthogonal direction of the second end 312 of the opening
Extend to the 3rd end 313 of the formation of body 22.
The first feed group 34 includes：
- the first inductance 341
First inductance 341, one end is connected with first earth terminal 33, and the other end is connected with first electric capacity 342.
- the first electric capacity 342
First electric capacity 342, one end is connected with first inductance 341, and the other end is connected with the first end 311.Institute
State the first electric capacity 342 and be operationally in series resonance state with first inductance 341.
4th feed assembly 35 includes：
- the second inductance 351
Second inductance 351, in the gap 23, and orientation is identical with the second end 312.Described second
The one end of inductance 351 is concatenated with the signal source 352, and the other end is connected with the 3rd end 313.
- signal source 352
Signal source 352, one end is connected with the feed end 32, and the other end is connected with second inductance 351.The signal
Source 32 sends the electric signal of some frequency, resonance is produced in the antenna 10, by first radiant body 31 with electromagnetic wave
Form is launched.
5th feed assembly 37 includes：
- the second electric capacity 371
Second electric capacity 371, one end is connected with second earth terminal 36, and the other end is connected with the 3rd end 313.
Second feed assembly 43 includes：
- the three inductance 431
3rd inductance 431, one end is connected with the 4th earth terminal 42, and the other end is connected with the 3rd electric capacity 432.
- the three electric capacity 432
3rd electric capacity 432, one end is connected with second radiant body 41, and the other end is connected with the 3rd inductance 431.Institute
State the 3rd electric capacity 432 and be operated in series resonance state with the 3rd inductance 431.
3rd feed assembly 53 includes：
- switching switch 531
Switching switch 531, including fixing end and selection end, the fixing end is connected with the 3rd earth terminal 52, described
Selection end is connected with the 4th electric capacity 532, grounding resistance 533 respectively.Connection the 4th electric capacity of switching switch 531
532nd, one in grounding resistance 533 so that the 3rd radiant body 51 is in capacity earth or resistance eutral grounding state, makes indirectly
Obtain antenna 10 and be in different working conditions.
- the four electric capacity 532
4th electric capacity 532, one end is connected with the 3rd radiant body 51, the selection of the other end and the switching switch 531
End connection, ground connection or vacant state are according to the working condition that the switching switchs 531.
- grounding resistance 533
Grounding resistance 533, one end is connected with the 3rd radiant body 51, the selection of the other end and the switching switch 531
End connection, ground connection or vacant state are according to the working condition that the switching switchs 531.It is easy to see that the ground connection electricity
Resistance 533 is connected to the 3rd radiant body 51 with the 4th electric capacity 532, and 531 working condition point is switched according to the switching
It is not grounded.
As the further improvement of the antenna 10, first inductance 341, the 3rd inductance 431 are controllable impedance, described
Second electric capacity 371 is tunable capacitor.The present embodiment is from requirements of type selecting of the adjustable component as above-mentioned inductance, electric capacity so that
First inductance 341, the inductance value alterable of the 3rd inductance 431, the capacitance alterable of second electric capacity 371.It is described
The change of inductance value, capacitance so that the resonant frequency of the antenna 10 changes, therefore adjust the inductance value, electric capacity
Value, can make the antenna 10 work over different frequencies.
Refering to Fig. 4, to meet the structural representation of the antenna of mobile terminal in another preferred embodiment of the invention, the shifting
Dynamic terminal includes：
- first antenna 60
The first antenna 60 constructs identical with the antenna 10, on the left of the mobile terminal upper end, can cover many
Individual frequency range.
- the second antenna 70
Second antenna 70 constructed with the first antenna 60 it is identical, on the right side of the mobile terminal upper end, with institute
First antenna 60 is stated in axially symmetric, multiple frequency ranges can be covered.
In the present embodiment, provided with two paired antennas, the antenna of first antenna 60 and second in the mobile terminal
70 working condition can be exchanged, such as described first antenna 60 is operated in emission state, and second antenna 70, which is operated in, to be connect
Receipts state.Further, it is also possible to which according to the Antenna Operation of both signal radiation position optimum selecting better performances, this is due to institute
State mobile terminal to be usually held by a user, by the hand-held region blocked often electromagenetic wave radiation poor-performing, thus be arranged to pair
Antenna causes at least one antenna to be in the state not being blocked, it is ensured that the communication performance of the mobile terminal.
Refering to Fig. 5, to meet the antenna radiation efficiency experimental result signal of mobile terminal in one embodiment of the present invention
Figure, illustrates the radiation efficiency experimental result under 3 kinds of frequency modulation states, is the first radiation efficiency curve 81, second radiation effect respectively
The radiation efficiency curve 83 of rate curve 82 and the 3rd.Megahertz in Fig. 5, abscissa is frequency, and unit is MHz, i.e., axis of abscissas model
Enclose for 600MHz~2670MHz；Ordinate is radiation efficiency, and unit is dB, and axis of ordinates scope is -1dB~-6dB.
First radiation efficiency curve 81 has preferably at 780MHz~960MHz, 1950MHz~2670MHz frequency ranges
Radiation efficiency, under the frequency modulation state, the antenna 10 is in low-frequency range and high band better performances.
Second radiation efficiency curve 82 has preferably at 700MHz~780MHz, 1710MHz~2310MHz frequency ranges
Radiation efficiency, under the frequency modulation state, the antenna 10 is in Mid Frequency and high band better performances.
3rd radiation efficiency curve 83 600MHz~650MHz, 860MHz~1000MHz, 1650MHz~
There is preferable radiation efficiency at 2250MHz frequency ranges, under the frequency modulation state, the antenna 10 is in Mid Frequency better performances.
Refering to Fig. 6, to meet the antenna frequency response experimental result signal of mobile terminal in one embodiment of the present invention
Figure, illustrates the frequency response experimental result under 3 kinds of frequency modulation states, is first band response curve 91, second band sound respectively
Answer the frequency response curve 93 of curve 92 and the 3rd.In Fig. 6, abscissa is frequency, and scope is 500MHz~3000MHz；Ordinate
For frequency response parameter.
The first band response curve 91 1050MHz~1950MHz, 2200MHz~2400MHz, 2700MHz~
There is preferable frequency response at 3000MHz frequency ranges, under the frequency modulation state, the antenna 10 is in Mid Frequency better performances, in height
Frequency range response range is narrower.
The second band response curve 92 has preferably at 800MHz~1800MHz, 2100MHz~3000MHz frequency ranges
Frequency response, under the frequency modulation state, the antenna 10 has significantly in Mid Frequency and high band better performances in low-frequency range
Response attenuation.
The 3rd frequency response curve 93 has preferably at 650MHz~1700MHz, 2100MHz~3000MHz frequency ranges
Frequency response, under the frequency modulation state, the antenna 10 is in low-frequency range, Mid Frequency and high band better performances, response range
It is wider.
Because the experimental result cited by Fig. 5, Fig. 6 is obtained under limited preparatory condition, therefore the present invention relates to
The technique effect of antenna system be not limited to experimental result shown in Fig. 5 and Fig. 6.In actual applications, the antenna system
10 chirp parameter can be adjusted accordingly, can obtain different communication technology performances.
It should be noted that embodiments of the invention have preferably implementation, and any type of not is made to the present invention
Limitation, any one skilled in the art changes or is modified to possibly also with the technology contents of the disclosure above equivalent effective
Embodiment, as long as without departing from the content of technical solution of the present invention, what the technical spirit according to the present invention was made to above example
Any modification or equivalent variations and modification, in the range of still falling within technical solution of the present invention.
Claims (9)
1. a kind of antenna of mobile terminal, the mobile terminal has metal shell, the cleaved shape in end of the metal shell
Into gap, the metal shell is divided into narrow body portion and the body of opposite side of end edge side by gap, and its feature exists
In,
The antenna includes the first resonance circuit and the second resonance circuit；
First resonance circuit and the slot-coupled, including the first radiant body, the feed end located at the body, be located at
The first earth terminal, the first feed assembly and the 4th feed assembly of body, constitute coil antenna unit；
Second resonance circuit and the slot-coupled, including the second radiant body, the 4th earth terminal located at the body
And second feed assembly, constitute monopole antenna element.
2. antenna as claimed in claim 1, it is characterised in that
First radiant body is in open annular, and located at the narrow body portion, one end of the opening extends to the slot edge
First end is formed, the first end is connected by the first feed assembly with first earth terminal, the first feed group
Part includes the first inductance and the first electric capacity of concatenation；
The other end of the opening extends to form the second end along the gap, and the second end passes through the 4th feed group
Part is connected with the feed end, and the 4th feed assembly includes the second inductance and signal source of concatenation, and second inductance is set
In in the gap and orientation is identical with the second end.
3. antenna as claimed in claim 2, it is characterised in that
First resonance circuit also includes the second earth terminal located at the body；
The other end of the first radiant body opening along and the second end orthogonal direction extend to the body formation the
Three ends；
First resonance circuit also includes the 5th feed assembly, and the 5th feed assembly also includes the second electric capacity, described the
Three ends are connected by second electric capacity with second earth terminal.
4. antenna as claimed in claim 1, it is characterised in that
Second radiant body is monopole type；
Second feed assembly includes the 3rd inductance and the 3rd electric capacity of concatenation.
5. antenna as claimed in claim 4, it is characterised in that
The antenna also includes ground connection switching circuit, and the slot-coupled, the ground connection switching circuit include the 3rd radiant body,
Located at the 3rd earth terminal of the body and the 3rd feed assembly.
6. antenna as claimed in claim 5, it is characterised in that
3rd radiant body is monopole type；
3rd feed assembly includes switching switch, the 4th electric capacity and grounding resistance, and the 4th electric capacity and grounding resistance are simultaneously
The 3rd radiant body is connected to, the switching switch selection the 4th electric capacity or grounding resistance connect with the 3rd earth terminal
Connect.
7. antenna as claimed in claim 6, it is characterised in that
First inductance, the 3rd inductance are controllable impedance, and second electric capacity is tunable capacitor.
8. a kind of mobile terminal, is characterised by, including the antenna as described in claim any one of 1-7.
9. mobile terminal as claimed in claim 8, it is characterised in that
First antenna and the second antenna are provided with the mobile terminal, both structures are identical and axially symmetric.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710464235.XA CN107181045B (en) | 2017-06-19 | 2017-06-19 | Antenna of mobile terminal and mobile terminal with same |
| PCT/CN2017/089478 WO2018232677A1 (en) | 2017-06-19 | 2017-06-22 | Antenna for mobile terminal and mobile terminal having said antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710464235.XA CN107181045B (en) | 2017-06-19 | 2017-06-19 | Antenna of mobile terminal and mobile terminal with same |
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| Publication Number | Publication Date |
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| CN107181045A true CN107181045A (en) | 2017-09-19 |
| CN107181045B CN107181045B (en) | 2024-02-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710464235.XA Active CN107181045B (en) | 2017-06-19 | 2017-06-19 | Antenna of mobile terminal and mobile terminal with same |
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| CN (1) | CN107181045B (en) |
| WO (1) | WO2018232677A1 (en) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108493616A (en) * | 2018-02-28 | 2018-09-04 | 上海与德科技有限公司 | Antenna |
| CN108987908A (en) * | 2018-07-27 | 2018-12-11 | 北京小米移动软件有限公司 | A kind of antenna and mobile terminal |
| CN109586036A (en) * | 2018-12-29 | 2019-04-05 | 维沃移动通信有限公司 | A kind of antenna structure and wireless communication terminal |
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Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003152430A (en) * | 2001-11-09 | 2003-05-23 | Hitachi Cable Ltd | Two frequency planar antenna and electric apparatus comprising it |
| US20080030418A1 (en) * | 2005-02-18 | 2008-02-07 | Patrice Brachat | Multi-band printed dipole antenna |
| US20140071005A1 (en) * | 2012-09-07 | 2014-03-13 | Acer Incorporated | Mobile device and antenna structure therein |
| CN104505575A (en) * | 2014-12-29 | 2015-04-08 | 上海安费诺永亿通讯电子有限公司 | Adjustable antenna for all-metal structural communication terminal equipment |
| CN105098369A (en) * | 2015-08-31 | 2015-11-25 | 努比亚技术有限公司 | Slot antenna and terminal |
| CN105161845A (en) * | 2015-09-15 | 2015-12-16 | 李文洁 | Ground potential metal shell radiation antenna |
| CN205081233U (en) * | 2015-10-22 | 2016-03-09 | 广东欧珀移动通信有限公司 | Duplex feeding antenna structure of lid after all -metal |
| US20160190685A1 (en) * | 2008-03-05 | 2016-06-30 | Ethertronics, Inc. | Integrated antenna beam steering system |
| CN106129641A (en) * | 2016-06-30 | 2016-11-16 | 维沃移动通信有限公司 | A kind of changing method of antenna structure, mobile terminal and antenna mode |
| US20160336643A1 (en) * | 2015-05-12 | 2016-11-17 | Apple Inc. | Electronic Device With Tunable Hybrid Antennas |
| CN205752543U (en) * | 2016-05-20 | 2016-11-30 | 维沃移动通信有限公司 | A kind of antenna system and mobile terminal |
| CN106252888A (en) * | 2016-07-29 | 2016-12-21 | 宇龙计算机通信科技(深圳)有限公司 | A kind of antenna system, terminal and antenna band method of adjustment |
| CN106299662A (en) * | 2016-09-20 | 2017-01-04 | 惠州硕贝德无线科技股份有限公司 | Novel slot antenna |
| CN206003961U (en) * | 2016-09-20 | 2017-03-08 | 惠州硕贝德无线科技股份有限公司 | New slot antenna |
| CN106506023A (en) * | 2016-09-29 | 2017-03-15 | 宇龙计算机通信科技(深圳)有限公司 | Antenna system and mobile terminal |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6909402B2 (en) * | 2003-06-11 | 2005-06-21 | Sony Ericsson Mobile Communications Ab | Looped multi-branch planar antennas having multiple resonant frequency bands and wireless terminals incorporating the same |
| CN202282452U (en) * | 2011-10-31 | 2012-06-20 | 上海大学 | Multiple-frequency slot antenna for mobile phone with closed metal frame |
| KR102025638B1 (en) * | 2013-03-12 | 2019-09-26 | 삼성전자 주식회사 | Interior antenna for mobile portable terminal |
| CN205488481U (en) * | 2016-01-29 | 2016-08-17 | 联想(北京)有限公司 | Antenna and electric device |
| CN106207414A (en) * | 2016-07-29 | 2016-12-07 | 宇龙计算机通信科技(深圳)有限公司 | Antenna assembly and electronic equipment |
-
2017
- 2017-06-19 CN CN201710464235.XA patent/CN107181045B/en active Active
- 2017-06-22 WO PCT/CN2017/089478 patent/WO2018232677A1/en active Application Filing
Patent Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003152430A (en) * | 2001-11-09 | 2003-05-23 | Hitachi Cable Ltd | Two frequency planar antenna and electric apparatus comprising it |
| US20080030418A1 (en) * | 2005-02-18 | 2008-02-07 | Patrice Brachat | Multi-band printed dipole antenna |
| US20160190685A1 (en) * | 2008-03-05 | 2016-06-30 | Ethertronics, Inc. | Integrated antenna beam steering system |
| US20140071005A1 (en) * | 2012-09-07 | 2014-03-13 | Acer Incorporated | Mobile device and antenna structure therein |
| CN104505575A (en) * | 2014-12-29 | 2015-04-08 | 上海安费诺永亿通讯电子有限公司 | Adjustable antenna for all-metal structural communication terminal equipment |
| US20160336643A1 (en) * | 2015-05-12 | 2016-11-17 | Apple Inc. | Electronic Device With Tunable Hybrid Antennas |
| CN105098369A (en) * | 2015-08-31 | 2015-11-25 | 努比亚技术有限公司 | Slot antenna and terminal |
| CN105161845A (en) * | 2015-09-15 | 2015-12-16 | 李文洁 | Ground potential metal shell radiation antenna |
| CN205081233U (en) * | 2015-10-22 | 2016-03-09 | 广东欧珀移动通信有限公司 | Duplex feeding antenna structure of lid after all -metal |
| CN205752543U (en) * | 2016-05-20 | 2016-11-30 | 维沃移动通信有限公司 | A kind of antenna system and mobile terminal |
| CN106129641A (en) * | 2016-06-30 | 2016-11-16 | 维沃移动通信有限公司 | A kind of changing method of antenna structure, mobile terminal and antenna mode |
| CN106252888A (en) * | 2016-07-29 | 2016-12-21 | 宇龙计算机通信科技(深圳)有限公司 | A kind of antenna system, terminal and antenna band method of adjustment |
| CN106299662A (en) * | 2016-09-20 | 2017-01-04 | 惠州硕贝德无线科技股份有限公司 | Novel slot antenna |
| CN206003961U (en) * | 2016-09-20 | 2017-03-08 | 惠州硕贝德无线科技股份有限公司 | New slot antenna |
| CN106506023A (en) * | 2016-09-29 | 2017-03-15 | 宇龙计算机通信科技(深圳)有限公司 | Antenna system and mobile terminal |
Non-Patent Citations (3)
| Title |
|---|
| PETER LINDBERG: "Wideband Slot Antenna for Low-Profile Hand-held Terminal Applications", 《2006 EUROPEAN CONFERENCE ON WIRELESS TECHNOLOGY》 * |
| 崔勇;王勇;杨世武;: "应用于Wi-Fi频段的背腔式缝隙天线设计", 电波科学学报, no. 01 * |
| 杨军;邵建兴;李校林;: "一种S波段的多频微带天线的分析与设计", 通信技术, no. 06 * |
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|---|---|---|---|---|
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| US11626662B2 (en) | 2017-12-28 | 2023-04-11 | Huawei Technologies Co., Ltd. | Multi-band antenna and mobile terminal |
| CN113823899B (en) * | 2017-12-28 | 2023-02-03 | 华为技术有限公司 | Multi-frequency antenna and mobile terminal |
| CN108493616A (en) * | 2018-02-28 | 2018-09-04 | 上海与德科技有限公司 | Antenna |
| CN108987908A (en) * | 2018-07-27 | 2018-12-11 | 北京小米移动软件有限公司 | A kind of antenna and mobile terminal |
| US10819012B2 (en) | 2018-07-27 | 2020-10-27 | Beijing Xiaomi Mobile Software Co., Ltd. | Antenna and mobile terminal |
| CN108987908B (en) * | 2018-07-27 | 2021-05-18 | 北京小米移动软件有限公司 | Antenna and mobile terminal |
| CN109687148A (en) * | 2018-11-23 | 2019-04-26 | 合肥联宝信息技术有限公司 | The multi-antenna structure of becket combination slit |
| CN109687148B (en) * | 2018-11-23 | 2021-08-24 | 合肥联宝信息技术有限公司 | Multi-antenna structure with metal ring combined with slit |
| CN109586036A (en) * | 2018-12-29 | 2019-04-05 | 维沃移动通信有限公司 | A kind of antenna structure and wireless communication terminal |
| CN111628298A (en) * | 2019-02-27 | 2020-09-04 | 华为技术有限公司 | Integrated antenna and electronic device |
| CN112186354A (en) * | 2019-07-03 | 2021-01-05 | 华为技术有限公司 | Antenna and terminal equipment |
| CN111725602A (en) * | 2020-03-19 | 2020-09-29 | 上海航天测控通信研究所 | Modular combined helical antenna |
| CN111725602B (en) * | 2020-03-19 | 2022-03-01 | 上海航天测控通信研究所 | Modular combined helical antenna |
| CN113708093A (en) * | 2020-05-22 | 2021-11-26 | 北京小米移动软件有限公司 | Antenna structure and electronic device |
| CN113708093B (en) * | 2020-05-22 | 2024-02-06 | 北京小米移动软件有限公司 | Antenna structure and electronic equipment |
| CN113745809A (en) * | 2020-05-27 | 2021-12-03 | 华为技术有限公司 | Electronic device |
| CN113745809B (en) * | 2020-05-27 | 2023-08-22 | 华为技术有限公司 | Electronic equipment |
| CN113690577A (en) * | 2021-08-31 | 2021-11-23 | 维沃移动通信（杭州）有限公司 | Wearable device and control method thereof |
| CN115764307A (en) * | 2021-09-03 | 2023-03-07 | 荣耀终端有限公司 | Terminal monopole antenna |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2018232677A1 (en) | 2018-12-27 |
| CN107181045B (en) | 2024-02-20 |
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