CN108987901A - Antenna assembly - Google Patents
Antenna assembly Download PDFInfo
- Publication number
- CN108987901A CN108987901A CN201810603277.1A CN201810603277A CN108987901A CN 108987901 A CN108987901 A CN 108987901A CN 201810603277 A CN201810603277 A CN 201810603277A CN 108987901 A CN108987901 A CN 108987901A
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- frame
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- conductive sub
- electrically connected
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
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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
- H01Q1/12—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
- H01Q1/48—Earthing means; Earth screens; Counterpoises
-
- 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
- H01Q13/00—Waveguide horns or mouths; Slot antennas; Leaky-waveguide antennas; Equivalent structures causing radiation along the transmission path of a guided wave
- H01Q13/10—Resonant slot 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
- H01Q5/10—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
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Computer Hardware Design (AREA)
- General Engineering & Computer Science (AREA)
- Support Of Aerials (AREA)
- Waveguide Aerials (AREA)
Abstract
The embodiment of the invention discloses a kind of antenna assembly, it is applied to the terminal with substrate and conductive framework.The conductive pane body is located at the periphery of substrate；The conduction framework includes the first conductive bezels, and first conductive bezels are divided into the first conductive sub- frame and the second conductive sub- frame by the first opening.The antenna assembly includes first antenna unit, and first antenna unit includes the first conductive sub- frame, the second conductive sub- frame and the first feeder line；The first radiating slot is formed between first conductive sub- frame and substrate, forms the second radiating slot between the second conductive sub- frame and substrate；First feeder line includes the first feeding point, the first match circuit and the second match circuit.First feeding point is electrically connected by the first match circuit with the first conductive sub- frame, and the first feeding point also passes through the second match circuit and is electrically connected with the second conductive sub- frame.Mimo antenna of the present invention remains the integrality of metal back cover, can cover LTE/WWAN frequency range.
Description
Technical field
The present invention relates to field of communication technology, in particular to a kind of antenna assembly.
Background technique
Antenna is intelligent terminal transmitting/receiving wireless signal front end component, and work is when emitting, and antenna is by the high-frequency current in circuit
Or the guided wave on feeding transmission line is efficiently converted into certain polarized spatial electromagnetic wave, launches to defined direction,
When receiving, opposite transformation is carried out.The quality of antenna performance directly influences the speech quality and data downloading of intelligent terminal
Speed.With the fast development of wireless communication technique, consumer requires radio communication quality higher and higher, traditional single antenna
Transmit-receive technology is not only easy to be influenced by unfavorable factors such as multipath transmisstions, keeps link performance unstable, and data transmission speed
Rate is relatively low.For the multipath fading in mobile communication and improve link stability, MIMO (Mitiple-ImputMitiple-
Output, multiple-input and multiple-output) technology is widely used, and which utilizes limited frequency spectrum resource, passes through and improves spatial reuse
Gain and diversity gain effectively improve channel capacity, reduce channel bit error rate.
Mobile terminal requires the degree of metallization higher and higher at present.Metal back cover includes metal rear shell and metal center
There are two types of slot opening form is general: one of which is after distinguishing crosscutting formation three-stage metal for entire metal back cover upper-lower section
Lid, this be generally in the form of leave one section of straight slot；Another is cracked in the junction of metal rear shell and metal center, this
The gap that kind form leaves is usually " C " shape gap, while can also remain the integrality of metal rear shell.
For mobile terminal, peripheral components are more and more, such as camera, microphone, LED flash, leave antenna for and set
It is smaller and smaller to count space, simultaneously because demand of the user for data high transfer rate, design multiple antennas realizes that MIMO performance claims
For a kind of trend.It is limited to package size, mutiple antennas especially four are designed in the case where meeting the insulated degree requirement between antenna
Antenna becomes technical problem urgently to be resolved when Miniature Terminal MIMO scheme designs.
Summary of the invention
First aspect of the embodiment of the present invention discloses a kind of antenna assembly, is applied to the end with substrate and conductive framework
End；The conductive pane body is located at the periphery of substrate, and the conduction framework includes the first conductive bezels, the first conductive bezels quilt
First opening is divided into the first conductive sub- frame and the second conductive sub- frame；
The antenna assembly includes first antenna unit, and first antenna unit includes the first conductive sub- frame, the second conduction
Sub- frame and the first feeder line；The first radiating slot, the second conductive sub- frame are formed between first conductive sub- frame and substrate
The second radiating slot is formed between substrate；First feeder line includes the first feeding point, the first match circuit and the second matching
Circuit；
First feeding point is electrically connected by the first match circuit with the first conductive sub- frame, and the first feeding point also passes through second
Match circuit is electrically connected with the second conductive sub- frame；The ground plane of the first conductive sub- frame one end and substrate far from the first opening
Electrical connection, the second conductive sub- frame are also electrically connected with the ground plane of substrate far from one end of the first opening.
As a kind of possible embodiment, in the antenna assembly, the first antenna cell operation is in the first frequency
Band and second band, the length of the first radiating slot frequency range required for first band determine, the second radiating slot
Length frequency range required for second band determine.
As a kind of possible embodiment, in the antenna assembly, the conduction framework further includes the second conductive side
Frame, second conductive bezels are divided into the conductive sub- frame of third and the 4th conductive sub- frame by the second opening；
The antenna assembly further includes the second antenna element, and the second antenna element includes the conductive sub- frame of third, the 4th leads
Electronics frame and the second feeder line；Third radiating slot is formed between the conductive sub- frame of third and substrate, the 4th leads electronic edge
The 4th radiating slot is formed between frame and substrate；Second feeder line includes the second feeding point, third match circuit and the 4th
With circuit；
Second feeding point is electrically connected by third match circuit with the conductive sub- frame of third, and the second feeding point also passes through the 4th
Match circuit is electrically connected with the 4th conductive sub- frame；The ground plane of the conductive sub- frame of third one end and substrate far from the second opening
Electrical connection, the 4th conductive sub- frame are also electrically connected with the ground plane of substrate far from one end of the second opening；The conductive son of the third
The one end of frame far from the second opening is mechanically connected and is electrically connected far from one end of the first opening with the first conductive sub- frame.
As a kind of possible embodiment, in the antenna assembly, the described first conductive sub- frame is opened far from first
One end of mouth is electrically connected with the first prominent grounding parts of ground plane, the one end of the conductive sub- frame of the third far from the second opening
It is electrically connected with the first prominent grounding parts of ground plane；The prominent grounding parts of the first of ground plane are located at the first radiating slot and third spoke
It penetrates between gap.
As a kind of possible embodiment, in the antenna assembly, first feeder line is set to substrate
On first non-conductive layer, first feeder line further includes the first grounding point, the ground plane of first grounding point and substrate
Electrical connection；
Second feeder line is set on the second non-conductive layer of substrate, and second feeder line further includes second
Grounding point, second grounding point are electrically connected with the ground plane of substrate.
As a kind of possible embodiment, in the antenna assembly, the conduction framework further includes third conduction side
Frame, the third conductive bezels are divided into the 5th conductive sub- frame and the 6th conductive sub- frame by third opening；
The antenna assembly further includes third antenna unit, and third antenna unit is led including the 5th conductive sub- frame, the 6th
Electronics frame and third feeder line；The 5th radiating slot is formed between 5th conductive sub- frame and substrate, the 6th leads electronic edge
The 6th radiating slot is formed between frame and substrate；Third feeder line includes third feeding point, the 5th match circuit and the 6th
With circuit；
Third feeding point is electrically connected by the 5th match circuit with the 5th conductive sub- frame, and third feeding point also passes through the 6th
Match circuit is electrically connected with the 6th conductive sub- frame；The ground plane of one end and substrate that the 5th conductive sub- frame is open far from third
Electrical connection, the 6th conductive sub- frame are also electrically connected with the ground plane of substrate far from one end that third is open；Described 5th conductive son
Frame is mechanically connected and is electrically connected far from one end of the first opening with the second conductive sub- frame far from one end that third is open.
As a kind of possible embodiment, in the antenna assembly, the described second conductive sub- frame is opened far from first
One end of mouth is electrically connected with the second prominent grounding parts of ground plane, one end that the described 5th conductive sub- frame is open far from third
It is electrically connected with the second prominent grounding parts of ground plane；The prominent grounding parts of the second of ground plane are located at the second radiating slot and the 5th spoke
It penetrates between gap.
As a kind of possible embodiment, in the antenna assembly, the conduction framework further includes the 4th conductive side
Frame, the 4th conductive bezels are divided into the 7th conductive sub- frame and the 8th conductive sub- frame by the 4th opening；
The antenna assembly further includes the 4th antenna element, and the 4th antenna element is led including the 7th conductive sub- frame, the 8th
Electronics frame and the 4th feeder line；The 7th radiating slot is formed between 7th conductive sub- frame and substrate, the 8th leads electronic edge
The 8th radiating slot is formed between frame and substrate；4th feeder line includes the 4th feeding point, the 7th match circuit and the 8th
With circuit；
4th feeding point is electrically connected by the 7th match circuit with the 7th conductive sub- frame, and the 4th feeding point also passes through the 8th
Match circuit is electrically connected with the 8th conductive sub- frame；The ground plane of the 7th conductive sub- frame one end and substrate far from the 4th opening
Electrical connection, the 8th conductive sub- frame are also electrically connected with the ground plane of substrate far from one end of the 4th opening；Described 8th conductive son
The one end of frame far from the 4th opening is mechanically connected and is electrically connected far from one end that third is open with the 6th conductive sub- frame；It is described
One end mechanical connection of the one end of 7th conductive sub- frame far from the 4th opening with the 4th conductive sub- frame far from the second opening and
Electrical connection.
As a kind of possible embodiment, in the antenna assembly, the described 8th conductive sub- frame is opened far from the 4th
One end of mouth is electrically connected with the prominent grounding parts of the third of ground plane, one end that the described 6th conductive sub- frame is open far from third
It is electrically connected with the prominent grounding parts of the third of ground plane；The prominent grounding parts of the third of ground plane are located at the 6th radiating slot and the 8th spoke
It penetrates between gap.
As a kind of possible embodiment, in the antenna assembly, the described 7th conductive sub- frame is opened far from the 4th
One end of mouth is electrically connected with the 4th prominent grounding parts of ground plane, the described 4th one end of conductive sub- frame far from the second opening
It is electrically connected with the 4th prominent grounding parts of ground plane；The prominent grounding parts of the 4th of ground plane are located at the 4th radiating slot and the 7th spoke
It penetrates between gap.
As can be seen from the above technical solutions, the embodiment of the present invention has the advantage that
The embodiment of the invention discloses said antenna devices, are radiated with the metal back cover of mobile terminal, reduce antenna institute
The volume needed but has better radiance.Under the premise of keeping mobile terminal rear shell complete, antenna system is improved
Radio frequency efficiency.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the structure chart of antenna assembly provided by the first embodiment of the invention.
Fig. 2 is the structure chart of antenna assembly provided by second of embodiment of the invention.
Specific embodiment
In addition to this, the miniaturization of antenna, broadband/multifrequency are always the index that terminal antenna designer most asks, so
Using simple antenna structure combination match circuit technology, broadband/multiband covering is realized.Technology to be solved by this invention is asked
Topic is to provide a kind of mimo antenna for intelligent mobile terminal, is radiated using metal back cover, different match circuit of arranging in pairs or groups makes
It can cover LTE/WWAN frequency range.
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 only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Fig. 1 is the structure chart of antenna assembly 100 provided by the first embodiment of the invention, and antenna assembly 100 is applied
In terminal.The terminal for example can be smart phone, laptop, tablet computer, portable media player, number
Radio receiver, navigation device etc..But technology according to the present invention also should include certain fixed terminals, such as can be with
It is some base stations.
Antenna assembly 100 is applied to the terminal with substrate 90 and conductive framework 10, and conductive framework 10 is located at substrate 90
Periphery.Conductive framework 10 includes the first conductive bezels 12, and first conductive bezels 12 are divided into first to lead by the first opening 122
Electronics frame 120 and the second conductive sub- frame 124.As infinite citing, conductive framework 10 is made of metal.
Antenna assembly 100 includes first antenna unit, and first antenna unit is led including the first conductive sub- frame 120, second
Electronics frame 124 and the first feeder line 20.The first radiating slot is formed between first conductive sub- frame 120 and substrate 90, the
The second radiating slot is formed between two conductive sub- frames 124 and substrate 90.First feeder line 20 includes the first feeding point 22, the
One match circuit 24 and the second match circuit 26.
First feeding point 22 is electrically connected by the first match circuit 24 with the first conductive sub- frame 120, the first feeding point 22
Also it is electrically connected by the second match circuit 26 with the second conductive sub- frame 124.First conductive sub- frame 120 is far from the first opening
122 one end is electrically connected with the ground plane of substrate 90, second one end of conductive sub- frame 124 far from the first opening 122 also with base
The ground plane of plate is electrically connected.In a kind of infinite embodiment of the present invention, the first match circuit 24 and the second match circuit 26
It all include inductance, capacitor or their combination.
The first antenna cell operation is in first band and second band, and the length of the first radiating slot is by first band
Required frequency range determines, the length of the second radiating slot frequency range required for second band determines.?
In the embodiment of the present invention, the length of the second radiating slot is greater than the length of the first radiating slot.In embodiments of the present invention, first
Frequency band is about between 824MHz between 960MHz, and second band is about between 1710MHz between 2690MHz.
Further, conductive framework 10 further includes the second conductive bezels 14, and second conductive bezels 14 are by the second opening
142 are divided into the conductive sub- frame 140 of third and the 4th conductive sub- frame 144.Antenna assembly 100 further includes the second antenna element,
Second antenna element includes the third conductive sub- frame 144 of conductive sub- frame the 140, the 4th and the second feeder line 40.Third is conductive
Third radiating slot is formed between sub- frame 140 and substrate 90, forms the 4th spoke between the 4th conductive sub- frame 144 and substrate 90
Penetrate gap.Second feeder line 40 includes the second feeding point 42, third match circuit 44 and the 4th match circuit 46.
Second feeding point 42 is electrically connected by third match circuit 44 with the conductive sub- frame 140 of third, the second feeding point 42
Also it is electrically connected by the 4th match circuit 46 with the 4th conductive sub- frame 144.The conductive sub- frame 140 of third is far from the second opening
142 one end is electrically connected with the ground plane of substrate 90, the 4th one end of conductive sub- frame 144 far from the second opening 142 also with base
The ground plane of plate 90 is electrically connected.The one end of the conductive sub- frame 140 of the third far from the second opening 142 and the first conductive sub- frame
120 far from one end mechanical connection of the first opening 122 and electrical connection.
In a kind of infinite embodiment of the present invention, third match circuit 44 and the 4th match circuit 46 all include electricity
Sense, capacitor or their combination.
Second antenna element works in third frequency band and the 4th frequency band, and the length of third radiating slot is by third frequency band
Required frequency range determines, length frequency range required for the 4th frequency band of the 4th radiating slot determines.?
In the embodiment of the present invention, the length of third radiating slot is greater than the length of the 4th radiating slot.
Specifically, the first prominent grounding parts of one end and ground plane far from the first opening 122 of the first conductive sub- frame 120
902 electrical connections, the one end of the conductive sub- frame 140 of third far from the second opening 142 also protrude grounding parts 902 with the first of ground plane
Electrical connection；The prominent grounding parts 902 of the first of ground plane are between the first radiating slot and third radiating slot.
In a kind of infinite embodiment of the present invention, the first feeder line 20 is set to the first non-conductive layer of substrate 90
On, the first feeder line 20 further includes the first grounding point, and first grounding point is electrically connected with the ground plane of substrate 90.Second feedback
Electric line 40 is set on the second non-conductive layer of substrate 90, and the second feeder line 40 further includes the second grounding point, and described second
Grounding point is electrically connected with the ground plane of substrate 90.
Fig. 2 is the structure chart of antenna assembly 200 provided by second of embodiment of the invention.Antenna assembly 200 and Fig. 1
The difference of shown antenna assembly 100 is: conductive framework 10 further includes third conductive bezels 16 and the 4th conductive bezels 18, antenna
Device 200 further includes third antenna unit and the 4th antenna element.Namely conductive framework 10 includes the first conductive bezels 12, second
Conductive bezels 14, third conductive bezels 16 and the 4th conductive bezels 18.Antenna assembly 200 includes first antenna unit, second day
Line unit, third antenna unit and the 4th antenna element.
Third conductive bezels 16 are divided into the 5th conductive sub- frame 160 and the 6th conductive sub- frame by third opening 162
164。
Third antenna unit includes the 5th conductive sub- frame 164 of conductive sub- frame the 160, the 6th and third feeder line 50.
The 5th radiating slot, shape between the 6th conductive sub- frame 164 and substrate 90 are formed between 5th conductive sub- frame 160 and substrate 90
At the 6th radiating slot.Third feeder line 50 includes third feeding point 52, the 5th match circuit 54 and the 6th match circuit 56.
Third feeding point 52 is electrically connected by the 5th match circuit 54 with the 5th conductive sub- frame 160, third feeding point 52
Also it is electrically connected by the 6th match circuit 56 with the 6th conductive sub- frame 164.5th conductive sub- frame 160 is open far from third
162 one end is electrically connected with the ground plane of substrate 90, the 6th one end of conductive sub- frame 164 far from third opening 162 also with base
The ground plane of plate 90 is electrically connected；The one end of described 5th conductive sub- frame 160 far from third opening 162 and the second conductive sub- frame
124 far from one end mechanical connection of the first opening 122 and electrical connection.
In a kind of infinite embodiment of the present invention, the 5th match circuit 54 and the 6th match circuit 56 all include electricity
Sense, capacitor or their combination.
The third antenna cell operation is in the 5th frequency band and the 6th frequency band, and the length of the 5th radiating slot is by the 5th frequency band
Required frequency range determines, length frequency range required for the 6th frequency band of the 6th radiating slot determines.?
In the embodiment of the present invention, the length of the 6th radiating slot is greater than the length of the 5th radiating slot.
Specifically, the second prominent grounding parts of one end and ground plane far from the first opening 122 of the second conductive sub- frame 124
904 electrical connections, the 5th one end of conductive sub- frame 160 far from third opening 162 also protrude grounding parts 904 with the second of ground plane
Electrical connection；The prominent grounding parts 904 of the second of ground plane are between the second radiating slot and the 5th radiating slot.
Further, conductive framework 10 further includes the 4th conductive bezels 18, and the 4th conductive bezels 18 are by the 4th 182 points of opening
It is cut into the 7th conductive sub- frame 180 and the 8th conductive sub- frame 184.
Further, antenna assembly 200 further includes the 4th antenna element, and the 4th antenna element includes the 7th conductive sub- frame
180, the 8th conductive sub- frame 184 and the 4th feeder line 60.The 7th spoke is formed between 7th conductive sub- frame 180 and substrate 90
Gap is penetrated, forms the 8th radiating slot between the 8th conductive sub- frame 184 and substrate 90.4th feeder line 60 includes the 4th feedback
Electricity the 62, the 7th match circuit 64 of point and the 8th match circuit 66.
4th feeding point 62 is electrically connected by the 7th match circuit 64 with the 7th conductive sub- frame 180, the 4th feeding point 62
Also it is electrically connected by the 8th match circuit 66 with the 8th conductive sub- frame 184；7th conductive sub- frame 180 is far from the 4th opening
182 one end is electrically connected with the ground plane of substrate 90, the 8th one end of conductive sub- frame 184 far from the 4th opening 182 also with base
The ground plane of plate 90 is electrically connected.The one end of 8th conductive sub- frame 184 far from the 4th opening 182 and the 6th conductive sub- frame 164
Far from one end mechanical connection of third opening 162 and electrical connection；7th one end of conductive sub- frame 180 far from the 4th opening 182
It is mechanically connected and is electrically connected far from one end of the second opening 142 with the 4th conductive sub- frame 144.
In a kind of infinite embodiment of the present invention, the 7th match circuit 64 and the 8th match circuit 66 all include electricity
Sense, capacitor or their combination.
4th antenna element works in the 7th frequency band and the 8th frequency band, and the length of the 7th radiating slot is by the 7th frequency band
Required frequency range determines, length frequency range required for the 8th frequency band of the 8th radiating slot determines.?
In the embodiment of the present invention, the length of the 7th radiating slot is greater than the length of the 8th radiating slot.
Specifically, the prominent grounding parts of third of one end and ground plane far from the 4th opening 182 of the 8th conductive sub- frame 184
906 electrical connections, the 6th one end of conductive sub- frame 164 far from third opening 162 also protrude grounding parts 906 with the third of ground plane
Electrical connection；The prominent grounding parts 906 of the third of ground plane are between the 6th radiating slot and the 8th radiating slot.
Specifically, the 4th prominent grounding parts of one end and ground plane far from the 4th opening 182 of the 7th conductive sub- frame 180
908 electrical connections, the 4th one end of conductive sub- frame 144 far from the second opening 142 also protrude grounding parts 908 with the 4th of ground plane the
Electrical connection；The prominent grounding parts 908 of the 4th of ground plane are between the 4th radiating slot and the 7th radiating slot.
It is the two unit mimo antenna systems radiated with metal back cover in the first embodiment of the invention.Including
The feed system of metal back cover and antenna element.Wherein first antenna unit and the second antenna element are one group of symmetrical structure, position
In the two sides on metal back cover top.It must be noted that mobile terminal of the present invention further includes other elements, such as handle
Device, battery module, wireless communication module, multi-media module, touch panel module, audio-frequency module, interface module and memory
Module.
In embodiment, the feed system of antenna element draws two feed legs, the respectively first feed branch from feed
Road and the second feed leg.First feed leg is connected to the first metal center by the first match circuit, and the second feed leg is logical
It crosses the second match circuit and is connected to the second metal center.
In embodiment, the first match circuit concatenates an inductance by high pass circuit and constitutes, and high pass circuit is about first
A capacitor is concatenated in feed leg, and an inductance in parallel is constituted again；Second match circuit concatenates an inductance structure by low pass circuit
At low pass circuit about concatenates an inductance in the second feed leg and is being connected in parallel with a capacitor composition.It is appreciated that this first
The value of specific capacitor and inductor required for match circuit and the second match circuit can be determined according to practical debugging situation.As a result,
Antenna element adjustment can be made in the first frequency range and the second band operation by different types of match circuit.
In embodiment, metal back cover includes metal rear shell and metal center；There are two openings among metal center, respectively
For the first opening and the second opening, metal center is divided into the first metal center and the second metal center by two openings.
In embodiment, it is had the gap between metal rear shell and metal center, partial gap is connected by earthing member, remaining gap
It is filled with non-conductive medium.Gap between first metal center and metal rear shell is the first gap, the second metal center and gold
Belonging to the gap between rear shell is the second gap；Length resonance length as required for first band in the first gap is determined；The
Length resonance length as required for second band in two gaps is determined.
In embodiment, the width in the first gap and the second gap is uniform and equal.
There are also second of embodiments by the present invention, and in second of embodiment, first antenna unit is remained unchanged, the second antenna
The first feed leg the first match circuit of series connection in unit is connected to the second metal center, the second feed branch of the second antenna element
Road the second match circuit of series connection is connected to the first metal center.
It should be appreciated that the first gap of the second antenna element of second of embodiment and the second gap of first antenna unit
It is co-located under the second metal center, although the interval between two antenna elements is close to each other, is now in the second gold medal
Belong to center two gaps work in different frequency ranges, that is to say, that at this time first antenna unit be located at the second metal center
Gap work in high-frequency band, the gap work for being located at the second metal center of the second antenna element in low frequency band, so
Isolation between two antenna elements also may be greater than a certain preset value.
It should be appreciated that current mobile terminal is in the region that bottom end is also Antenna Design, therefore, which can also be
High and low frequency realizes 4 × 4MIMO performance simultaneously.There are also the third embodiments by the present invention, in the third embodiment, after metal
The bottom end of lid similarly arranges two antenna elements, respectively third antenna unit and the 4th antenna element；Wherein bottom end
Two antenna elements and two antenna elements on top are symmetrical.
Obviously, those skilled in the art can carry out various modification and variations without departing from the essence of the application to the application
Mind and range.In this way, if these modifications and variations of the application belong to the range of the claim of this application and its equivalent technologies
Within, then the application is also intended to include these modifications and variations.
Claims (10)
1. a kind of antenna assembly, it is characterised in that: applied to the terminal with substrate and conductive framework, the conductive pane body is located at
The periphery of substrate；The conduction framework includes the first conductive bezels, and first conductive bezels are divided into first by the first opening
Conductive sub- frame and the second conductive sub- frame；
The antenna assembly includes first antenna unit, and first antenna unit leads electronic edge including the first conductive sub- frame, second
Frame and the first feeder line；The first radiating slot, the second conductive sub- frame and base are formed between first conductive sub- frame and substrate
The second radiating slot is formed between plate；First feeder line includes the first feeding point, the first match circuit and the second match circuit；
First feeding point is electrically connected by the first match circuit with the first conductive sub- frame, and the first feeding point also passes through the second matching
Circuit is electrically connected with the second conductive sub- frame；The ground plane of the first conductive sub- frame one end and substrate far from the first opening is electrically connected
It connects, the second conductive sub- frame is also electrically connected with the ground plane of substrate far from one end of the first opening.
2. antenna assembly as described in claim 1, it is characterised in that: the first antenna cell operation is in first band and
Two frequency bands, the length of the first radiating slot frequency range required for first band determine, the length of the second radiating slot
Required for second band frequency range determines.
3. antenna assembly as described in claim 1, it is characterised in that: the conduction framework further includes the second conductive bezels, institute
It states the second conductive bezels and the conductive sub- frame of third and the 4th conductive sub- frame is divided by the second opening；
The antenna assembly further includes the second antenna element, and the second antenna element includes the conductive sub- frame of third, the 4th conductive son
Frame and the second feeder line；Form third radiating slot between the conductive sub- frame of third and substrate, the 4th conductive sub- frame and
The 4th radiating slot is formed between substrate；Second feeder line includes the second feeding point, third match circuit and the 4th matching electricity
Road；
Second feeding point is electrically connected by third match circuit with the conductive sub- frame of third, and the second feeding point also passes through the 4th matching
Circuit is electrically connected with the 4th conductive sub- frame；The ground plane of the conductive sub- frame of third one end and substrate far from the second opening is electrically connected
It connects, the 4th conductive sub- frame is also electrically connected with the ground plane of substrate far from one end of the second opening；The conductive sub- frame of the third
One end far from the second opening is mechanically connected and is electrically connected far from one end of the first opening with the first conductive sub- frame.
4. antenna assembly as claimed in claim 3, it is characterised in that: the first conductive sub- frame far from the first opening one
End be electrically connected with the first of ground plane the prominent grounding parts, one end that the sub- frame of the third conduction is open far from second also with ground connection
The prominent grounding parts electrical connection of the first of layer；The prominent grounding parts of the first of ground plane are located at the first radiating slot and third radiating slot
Between.
5. antenna assembly as claimed in claim 3, it is characterised in that: it is first non-to be set to substrate for first feeder line
On conductive layer, first feeder line further includes the first grounding point, and first grounding point is electrically connected with the ground plane of substrate；
Second feeder line is set on the second non-conductive layer of substrate, and second feeder line further includes the second ground connection
Point, second grounding point are electrically connected with the ground plane of substrate.
6. antenna assembly as claimed in claim 3, it is characterised in that: the conduction framework further includes third conductive bezels, institute
It states third conductive bezels and the 5th conductive sub- frame and the 6th conductive sub- frame is divided by third opening；
The antenna assembly further includes third antenna unit, and third antenna unit includes the 5th conductive sub- frame, the 6th conductive son
Frame and third feeder line；Form the 5th radiating slot between 5th conductive sub- frame and substrate, the 6th conductive sub- frame and
The 6th radiating slot is formed between substrate；Third feeder line includes third feeding point, the 5th match circuit and the 6th matching electricity
Road；
Third feeding point is electrically connected by the 5th match circuit with the 5th conductive sub- frame, and third feeding point also passes through the 6th matching
Circuit is electrically connected with the 6th conductive sub- frame；5th conductive sub- frame is electrically connected far from the ground plane of one end and substrate that third is open
It connects, the 6th conductive sub- frame is also electrically connected with the ground plane of substrate far from one end that third is open；Described 5th conductive sub- frame
One end far from third opening is mechanically connected and is electrically connected far from one end of the first opening with the second conductive sub- frame.
7. antenna assembly as claimed in claim 6, it is characterised in that: the second conductive sub- frame far from the first opening one
End is electrically connected with the second of ground plane the prominent grounding parts, one end that the sub- frame of the 5th conduction is open far from third also with ground connection
The prominent grounding parts electrical connection of the second of layer；The prominent grounding parts of the second of ground plane are located at the second radiating slot and the 5th radiating slot
Between.
8. antenna assembly as claimed in claim 6, it is characterised in that: the conduction framework further includes the 4th conductive bezels, institute
It states the 4th conductive bezels and the 7th conductive sub- frame and the 8th conductive sub- frame is divided by the 4th opening；
The antenna assembly further includes the 4th antenna element, and the 4th antenna element includes the 7th conductive sub- frame, the 8th conductive son
Frame and the 4th feeder line；Form the 7th radiating slot between 7th conductive sub- frame and substrate, the 8th conductive sub- frame and
The 8th radiating slot is formed between substrate；4th feeder line includes the 4th feeding point, the 7th match circuit and the 8th matching electricity
Road；
4th feeding point is electrically connected by the 7th match circuit with the 7th conductive sub- frame, and the 4th feeding point also passes through the 8th matching
Circuit is electrically connected with the 8th conductive sub- frame；The ground plane of the 7th conductive sub- frame one end and substrate far from the 4th opening is electrically connected
It connects, the 8th conductive sub- frame is also electrically connected with the ground plane of substrate far from one end of the 4th opening；Described 8th conductive sub- frame
One end far from the 4th opening is mechanically connected and is electrically connected far from one end that third is open with the 6th conductive sub- frame；Described 7th
The one end of conductive sub- frame far from the 4th opening is mechanically connected and is electrically connected far from one end of the second opening with the 4th conductive sub- frame
It connects.
9. antenna assembly as claimed in claim 8, it is characterised in that: the 8th conductive sub- frame far from the 4th opening one
End is electrically connected with the prominent grounding parts of the third of ground plane, one end that the sub- frame of the 6th conduction is open far from third also with ground connection
The prominent grounding parts electrical connection of the third of layer；The prominent grounding parts of the third of ground plane are located at the 6th radiating slot and the 8th radiating slot
Between.
10. antenna assembly as claimed in claim 8 or 9, it is characterised in that: the described 7th conductive sub- frame is far from the 4th opening
The 4th prominent grounding parts of one end and ground plane be electrically connected, one end that the described 4th conductive sub- frame is open far from second also with
The prominent grounding parts electrical connection of the 4th of ground plane；The prominent grounding parts of the 4th of ground plane are located at the 4th radiating slot and the 7th radiation
Between gap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810603277.1A CN108987901A (en) | 2018-06-12 | 2018-06-12 | Antenna assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810603277.1A CN108987901A (en) | 2018-06-12 | 2018-06-12 | Antenna assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108987901A true CN108987901A (en) | 2018-12-11 |
Family
ID=64541177
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810603277.1A Pending CN108987901A (en) | 2018-06-12 | 2018-06-12 | Antenna assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108987901A (en) |
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| CN109755761A (en) * | 2018-12-28 | 2019-05-14 | 瑞声精密制造科技(常州)有限公司 | A kind of antenna modules and electronic equipment |
| CN111063985A (en) * | 2019-12-31 | 2020-04-24 | 联想(北京)有限公司 | Electronic device |
| WO2020134366A1 (en) * | 2018-12-28 | 2020-07-02 | 瑞声声学科技(深圳)有限公司 | Antenna system and mobile terminal |
| WO2020133111A1 (en) * | 2018-12-27 | 2020-07-02 | 华为技术有限公司 | Antenna device and terminal |
| CN113054438A (en) * | 2021-03-29 | 2021-06-29 | 北京有竹居网络技术有限公司 | Antenna structure and terminal dorsal scale |
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| CN107196043A (en) * | 2017-06-19 | 2017-09-22 | 上海传英信息技术有限公司 | A kind of antenna system of mobile terminal and the mobile terminal with the antenna system |
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| WO2020133111A1 (en) * | 2018-12-27 | 2020-07-02 | 华为技术有限公司 | Antenna device and terminal |
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Application publication date: 20181211 |