CN109818134A - A kind of terminal with metal edge frame antenna - Google Patents
A kind of terminal with metal edge frame antenna Download PDFInfo
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- CN109818134A CN109818134A CN201910205346.8A CN201910205346A CN109818134A CN 109818134 A CN109818134 A CN 109818134A CN 201910205346 A CN201910205346 A CN 201910205346A CN 109818134 A CN109818134 A CN 109818134A
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Abstract
This application provides a kind of terminals with metal edge frame antenna, including medium substrate, metal floor and metal edge frame；Mutually disconnected first gap, the second gap, third gap and the 4th gap is arranged in the edge of the metal floor；One end of the metal edge frame to connect with first gap, the second gap, third gap and the 4th gap is correspondingly arranged the first breakpoint, the second breakpoint, third breakpoint and the 4th breakpoint；The first matching network, the second matching network, third matching network and the 4th matching network is respectively set in second face of the medium substrate, and first matching network, the second matching network, third matching network and the 4th matching network are one-to-one respectively to feed the one end for connecting first gap, the second gap, third gap and the 4th gap.Terminal provided by the present application reduces antenna required headroom size in the mobile terminals such as mobile phone, adapts to growth requirement under the more and more narrower trend of clearance zone of mobile terminals such as mobile phone.
Description
Technical field
This application involves technical field of communication equipment more particularly to a kind of terminals with metal edge frame antenna.
Background technique
As the development of intelligent terminal technology, such as mobile phone mobile terminal carry more and more information transfer functions,
A pair of of multi-link scene of single communication terminal is also very universal, such as mobile phone and multiple base stations, positioning device and multi-satellite, road
By equipment and multiple data terminals etc..It therefore, is the usage scenario for adapting to the mobile terminals above situations such as mobile phone, mobile phone etc. is mobile
Terminal is higher and higher to the performance requirement of its antenna.
In recent years, better visual experience is brought to user due to the screen accounting of superelevation, thus screen mobile phone etc. is mobile comprehensively
Terminal is increasingly pursued by user.It is increasing screen accounting, more next with the development that the mobile terminals such as mobile phone shield comprehensively
Thinner termination thickness and more and more narrow screen back gauge are usually left in end so that the space for leaving terminal antenna for is smaller and smaller
The space of end antenna will be less than 2mm.However the antenna structure of the mobile terminals such as mobile phone is logical to the width demand of empty regions at present
Often greater than 3mm, when the antenna structure of this type to be applied to, terminal day opposite in mobile terminals such as small mobile phones in empty regions
Line occupied area reduces (antenna for reducing the mobile terminals such as mobile phone is taken up space), and antenna Q value increases, so that mobile phone etc. is mobile eventually
Not only bandwidth narrows end antenna, and efficiency will also be deteriorated, especially in low-frequency range.
Therefore, to meet the growth requirement that the mobile terminals such as mobile phone shield comprehensively, how to provide to have and be more suitable narrow headroom
The mobile terminals such as the mobile phone of environment antenna structure are those skilled in the art's technical problems urgently to be resolved.
Summary of the invention
This application provides a kind of terminals with metal edge frame antenna, needed for reducing antenna in the mobile terminals such as mobile phone
Headroom size adapts to growth requirement under the more and more narrower trend of clearance zone of mobile terminals such as mobile phone.
This application provides a kind of terminal with metal edge frame antenna, including medium substrate, the of the medium substrate
Metal floor is set on one side；It further include metal edge frame, the metal edge frame surrounds the surrounding of the medium substrate；
Mutually disconnected first gap, the second gap, third gap and Fpir Crevices is arranged in the edge of the metal floor
Gap, first gap, the second gap, the side of third gap and the 4th gap far from the metal floor and the metal edges
Frame connects；
One end pair of the metal edge frame to connect with first gap, the second gap, third gap and the 4th gap
First breakpoint, the second breakpoint, third breakpoint and the 4th breakpoint should be set；
Second face of the medium substrate be respectively set the first matching network, the second matching network, third matching network and
4th matching network, first matching network, the second matching network, third matching network and the 4th matching network difference are one by one
Corresponding feed connects the one end in first gap, the second gap, third gap and the 4th gap.
Terminal provided by the present application with metal edge frame antenna, in the terminal, the metal base plate on medium substrate
Mutually independent first gap, the second gap, third gap and the 4th gap are opened up with metal edge frame joint, is stitched with first
The one end for the metal edge frame that gap, the second gap, third gap and the 4th gap connect be correspondingly arranged the first breakpoint, the second breakpoint,
Third breakpoint and the 4th breakpoint pass through corresponding first matching network, the second matching network, third matching network and the 4th respectively
Distribution network feeds the first gap, the second gap, third gap and the 4th gap, forms 4 based on terminal metal frame
× 4MIMO antenna.In the terminal provided by the present application with metal edge frame antenna, using between metal floor and metal edge frame
Breakpoint and metal edge frame on gap, metal edge frame construct the antenna of terminal, and wherein gap is for providing empty regions.?
It is specific in use, the first gap, the second gap, third gap and the 4th gap width can usually arrive less than 2mm, accordingly
Reduce antenna in terminal to the size for needing empty regions, conveniently adapts to the development trend of the narrow headroom environment of terminal.
Detailed description of the invention
In order to illustrate more clearly of the technical solution of the application, letter will be made to attached drawing needed in the embodiment below
Singly introduce, it should be apparent that, for those of ordinary skills, without any creative labor,
It is also possible to obtain other drawings based on these drawings.
Fig. 1 is a kind of structural schematic diagram of the terminal with metal edge frame antenna provided by the embodiments of the present application；
Fig. 2 is a kind of main view of the terminal with metal edge frame antenna provided by the embodiments of the present application；
Fig. 3 is a kind of structural schematic diagram of first antenna provided by the embodiments of the present application；
Fig. 4 is a kind of structural schematic diagram of second antenna provided by the embodiments of the present application；
Fig. 5 is first antenna and the second antenna simulation result schematic diagram in terminal provided by the embodiments of the present application；
Fig. 6 is the efficiency schematic diagram of first antenna and the second antenna in terminal provided by the embodiments of the present application；
Fig. 7 is the structural schematic diagram of another terminal with metal edge frame antenna provided by the embodiments of the present application.
Wherein:
1- medium substrate, 2- metal floor, 3- metal edge frame, the first gap 4-, the second gap 5-, 6- third gap, 7-
4th gap, the first breakpoint of 8-, the second breakpoint of 9-, 10- third breakpoint, the 4th breakpoint of 11-, the first matching network of 12-, 121-
One feed minor matters, the first inductance of 122-, 123- first capacitor, the second capacitor of 124-, the second matching network of 13-, 131- first
With circuit, the second match circuit of 132-, 133- first switch, 134- second switch, 135- third switch, 136- first bridges electricity
Hold, 14- third matching network, the 4th matching network of 15-.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
Terminal provided by the embodiments of the present application with metal edge frame antenna has metal edge frame 3 including mobile phone, PC etc.
Terminal.Elaborating for the embodiment of the present application is carried out for ease of description, taking the mobile phone as an example below.
Attached drawing 1 is a kind of structural schematic diagram of the terminal with metal edge frame antenna provided by the embodiments of the present application, attached drawing 2
For a kind of main view of the terminal with metal edge frame antenna provided by the embodiments of the present application.As shown in figure 1 and 2, the application
The terminal with metal edge frame antenna that embodiment provides, including medium substrate 1 and metal edge frame 3, the first face of medium substrate 1
Metal floor 2 is set, and metal edge frame 3 is centered around the surrounding in medium substrate 1；The edge setting of metal floor 2 is mutual not
The first gap 4, the second gap 5, third gap 6 and the 4th gap 7 of connection, first gap 4, the second gap 5, third seam
The side of gap 6 and the 4th gap 7 far from the metal floor 2 connects with the metal edge frame 3；With first gap 4, second
The one end for the metal edge frame 3 that gap 5, third gap 6 and the 4th gap 7 connect is correspondingly arranged the first breakpoint 8, the second breakpoint 9,
Three breakpoints 10 and the 4th breakpoint 11；The first matching network 12, the second matching network is respectively set in second face of the medium substrate 1
13, third matching network 14 and the 4th matching network 15, first matching network 12, the second matching network 13, third matching
One-to-one feed connects first gap 4, the second gap 5, third gap 6 respectively for network 14 and the 4th matching network 15
With the one end in the 4th gap 7.
In the embodiment of the present application, medium substrate 1 can be the printed circuit board of mobile phone.In general, by the back side of medium substrate 1
It is denoted as the first face of medium substrate 1, the front of medium substrate 1 is denoted as to the second face of medium substrate 1, but not limited to this.Gold
Possession plate 2 can be the reference ground of printing to 1 first face of medium substrate, and the edge of metal floor 2 connects with metal edge frame 3.
The edge of metal floor 2, the first seam is arranged in first gap 4, the second gap 5, third gap 6 and the 4th gap 7
Gap 4, the second gap 5, third gap 6 are not connected to independently between each other with the 4th gap 7.In the embodiment of the present application, the first seam
Gap 4, the second gap 5, third gap 6 and the 4th gap 7 are narrow rectangular channel, the first gap 4, the second gap 5, third gap 6
Connect with the side of the length extending direction in the 4th gap 7 with metal edge frame 3, i.e. the first gap 4, the second gap 5, third gap
6 and the 4th side of the gap 7 far from metal floor 2 connect with metal edge frame 3, the first gap 4, the second gap 5, third gap 6
With the 4th gap 7 along the edge distribution of metal edge frame 3.Specifically, the first gap 4, the second gap 5, third gap 6 and Fpir Crevices
The position of gap 7 can be selected according to the size of its physical length and terminal metal floor 2, i.e. the first gap 4, the second gap
5, third gap 6 or the 4th gap 7 may be provided at the long side or short side of terminal, be not specifically limited in this application, can
It is selected according to its actual needs.
First breakpoint 8, the second breakpoint 9, third breakpoint 10 and the 4th breakpoint 11 are set on metal edge frame 3 accordingly, the
One breakpoint 8, the second breakpoint 9, third breakpoint 10 and the corresponding setting of the 4th breakpoint 11 with the first gap 4, the second gap
5, one end for the metal edge frame 3 that third gap 6 and the 4th gap 7 connect.That is, the setting of the first breakpoint 8 connects gold in the first gap 4
Belong to one end of frame 3, the second breakpoint 9 is arranged in the second gap 5 and connects one end of metal edge frame 3, and the setting of third breakpoint 10 is the
Three gaps 6 connect one end of metal edge frame 3, and the 4th breakpoint 11 is arranged in the 4th gap 7 and connects one end of metal edge frame 3.Because
First gap 4 is narrow rectangular channel, then its metal edge frame 3 for connecting in its length extending direction there are both ends, the first breakpoint 8
Setting position can arbitrarily be selected from this both ends, can specifically be selected according to its actual needs, not do specific limit in this application
It is fixed.
The first gap 4 of first matching network 12 feed connection, the second gap 5 of the second matching network 13 feed connection, third
The feed connection of matching network 14 third gap 6, the 4th gap 7 of the 4th matching network 15 feed connection, feed includes direct feed
And couple feed.Specifically, the first matching network 12, the second matching network 13, third matching network 14 and the 4th matching network
15 feed the first gap 4 of connection, the second gap 5, third gap 6 and the 4th gap 7 by microstrip feed line.First matching network
12, the second matching network 13, third matching network 14 and the 4th matching network 15 are respectively by capacitor, inductance and microstrip feed line group
At, can be designed as the resonant matching network structure of L-type, π type or other forms, specifically can using one or more capacitors or
Inductance or capacitor and inductor combination are formed, the tuning as antenna self-impedance, convenient for can be in required working frequency range from humorous
Vibration.Specifically, the first gap 4 of the first matching network 12 feed connection, the metal to connect with the first gap 4 and the first gap 4
Frame 3 forms first antenna；The second gap 5 of second matching network 13 feed connection, with 5 phase of the second gap 5 and the second gap
The metal edge frame 3 connect forms the second antenna；The feed connection of third matching network 14 third gap 6, with third gap 6 and third
The metal edge frame 3 that gap 6 connects forms third antenna；The 4th gap 7 of 4th matching network 15 feed connection, with the 4th gap 7
And the 4th the metal edge frame 3 that connects of gap 7 form the 4th antenna；And then form 4 × 4MIMO antenna.First matching network
12, the second matching network 13, third matching network 14 and the 4th matching network 15 be used for tune respective antenna resonance frequency point and
Bandwidth.
Terminal provided by the embodiments of the present application with metal edge frame antenna, metal base plate and metal on medium substrate 1
3 joint of frame opens up mutually independent first gap 4, the second gap 5, third gap 6 and the 4th gap 7, stitches with first
The one end for the metal edge frame 3 that gap 4, the second gap 5, third gap 6 and the 4th gap 7 connect is correspondingly arranged the first breakpoint 8, second
Breakpoint 9, third breakpoint 10 and the 4th breakpoint 11 pass through corresponding first matching network 12, the second matching network 13, third respectively
Distribution network 14 and the 4th matching network 15 feed the first gap 4, the second gap 5, third gap 6 and the 4th gap 7, shape
At 4 × 4MIMO antenna based on terminal metal frame 3.In the terminal provided by the embodiments of the present application with metal edge frame antenna,
Terminal is constructed using the gap between metal floor 2 and metal edge frame 3, the breakpoint on metal edge frame 3 and metal edge frame 3
Antenna, wherein gap is for providing empty regions.Specific in use, the first gap 4, the second gap 5,6 and of third gap
The width in the 4th gap 7, which can usually arrive, is less than 2mm, accordingly reduces antenna in terminal to the size for needing empty regions, is convenient for
Adapt to the development trend of the narrow headroom environment of terminal.
In the embodiment of the present application when the first breakpoint 8, the second breakpoint 9, third breakpoint 10 or 11 position of the 4th breakpoint are opposite
When first gap 4, the second gap 5, third gap 6 and the 4th gap 7 change, corresponding matching network and feed shape
Formula will also change accordingly.Only there is provided a kind of first gap 4, the second gap 5, third gap 6 and the by attached Fig. 1 and 2
Four gaps, 7 arrangement form is used as exemplary and illustrates, but do not limit the application, and 1 pair of the embodiment of the present application with reference to the accompanying drawing
The technical solution of offer is described in detail.
As shown in figure 1 and 2, when the first gap 4 is distributed along the long side of metal edge frame 3, the one end in the first gap 4 is close
The short side of metal edge frame 3, the other end in the first gap 4 is far from the short side.Note, the first gap 4 is close to the short side
One end be first gap 4 starting point end, the other end in the first gap 4 is the destination terminal in first gap 4.First is disconnected
Point 8 is arranged in the position corresponding with the destination terminal of metal edge frame 3.Select a bit on the first gap 4 at the first breakpoint 8
As feed point, the end of the first matching network 12 couples first gap 4 by microstrip feed line at the feed point
Feed, i.e. microstrip feed line connect the first gap 4, that is, the first antenna formed is seam antenna, and radiation relies on the electricity in the first gap 4
?.In this way, first antenna selects feed point near the first breakpoint 8, electric field strength is relatively high, combines with couple feed
It is easier to motivate low-frequency resonant, is conducive to the covering that first antenna realizes low frequency bandwidth, guarantee the mobile terminal antennas such as mobile phone
In low-frequency range performance.
Further, as shown in Fig. 3, the end of the first matching network 12 is provided with the first feed minor matters 121, first
Distribution network 12 carries out couple feed to first gap 4 by the first feed minor matters 121.The first feed minor matters
121 feed minor matters for L-type, and the first feed minor matters 121 are prolonged to first gap 4 far from the direction of first breakpoint 8
It stretches.Increase contact area between the first matching network 12 and the first gap 4 using the first feed minor matters 121, is further ensured that the
Covering of one antenna in low frequency bandwidth.
In the embodiment of the present application, the first matching network 12 includes the first inductance 122, first capacitor 123 and the second capacitor
124；First signal end of the first capacitor 123 connects the beginning of first matching network 12, the first capacitor 123
Second signal end connects the end of first matching network 12；The first signal end connection described the of second capacitor 124
The second signal end of one capacitor 123, the second signal end ground connection of second capacitor 124；First letter of first inductance 122
Number end connects the second signal end of the first capacitor 123, the second signal end ground connection of first inductance 122.That is, first
Distribution network 12 carries out impedance matching to first antenna by shunt inductance, shunt capacitance and series capacitance, reduces the reflection of route
And interference, so that can be with maximum power transfer from information source to load, and the length of antenna is increased to a certain extent, so that
The resonance that first antenna generates is inclined toward low frequency, is conducive to the miniaturization of antenna, and then guarantees first antenna in low frequency bandwidth
Covering.
As shown in figure 1 and 2, when the second gap 5 is distributed along the long side of metal edge frame 3, and the second gap 5 is stitched with first
Gap 4 is located at the same side of metal floor 2.Second gap 5 is using one end close to the first gap 4 as starting point end, far from the first seam
The other end of gap 4 is destination terminal, and the second breakpoint 9 is arranged in the position corresponding with the destination terminal of metal edge frame 3, i.e. the second breakpoint
9 are located on the metal edge frame 3 that the second gap 5 connects far from the one end in the first gap 4.Select the metal edges that connect with the second gap 5
Far from feed point is a little used as at the second breakpoint 9 on frame 3, the second matching network 13 connects the feed point, and the second distribution network passes through
The feed point direct feed connects the second gap 5.The setting of feed point position is connecting metal edge frame 3 far from second with the second gap 5
One end of breakpoint 9, convenient for guaranteeing feed point to the metal edge frame length between the second breakpoint 9.Second antenna using the second gap 5 its
Corresponding metal edge frame 3 and the metal edge frame 3 were neighbouring that metal floor 2 is radiated, due to the second antenna and first day
Radiation theory that line utilizes is different, so that the second antenna and first antenna are mutually flowing present on adjacent metal floor 2
Surface current is weaker, and mutual energy coupling will be weaker, improves the isolation between first antenna and the second antenna.
As shown in Fig. 4, the second matching network 13 is opened including the first match circuit 131, the second match circuit 132, first
133 and second switch 134 are closed, corresponding control first match circuit 131 of the first switch 133 connects second matching
The end of network 13, corresponding control second match circuit 132 of the second switch 134 connect second matching network 13
End.That is, the use of the first match circuit 131 of corresponding control of first switch 133, the corresponding control second of second switch 134
Use with circuit 132.In this way, realizing the reconstruct of the second antenna resonance frequency spectrum and bandwidth by the switching of match circuit.
In the embodiment of the present application, bridging in parallel has third switch 135 on the metal edge frame 3 that connects with second gap 5,
One end of the third switch 135 connects the metal edge frame 3, other end connection the first bridging electricity of the third switch 135
Hold 136 the first signal end, the second signal end ground connection of first flying capcitor 136.First bridging of the control of third switch 135
The access and disconnection of capacitor 136.When being closed third switch 135, the first flying capcitor 136 connects gold by third switch 135
Belong to frame 3, i.e. the first flying capcitor 136 accesses antenna, changes the electrical length of the second antenna, realizes weighing for the second antenna
Structure, and then realize the second antenna resonance frequency spectrum and bandwidth adjustment switching and change.
Further, by including the first match circuit 131, the second match circuit 132, first switch 133 and second switch
134 the second matching network 13 is applied in combination with the first flying capcitor 136, realizes the more optimized reconstruct of the second antenna structure.Such as,
Be closed first switch 133, disconnect second switch 134 and third switch 135, the first match circuit 131 of connection, the second antenna it is humorous
Vibration frequency range can cover 824-894MHz；First switch 133 is disconnected, second switch 134 and third switch 135 are closed, connects second
Match circuit 132 and the first flying capcitor 136, the resonance band of the second antenna can cover 880-960NHz.In this way, using that can weigh
The mode of structure tunes the resonance and bandwidth of the second antenna by accessing different match circuits, and then realizes the humorous of the second antenna
Frequency range of shaking covers 824-960MHz.
In the embodiment of the present application, first match circuit 131 include the second inductance, third inductance, third capacitor and
4th capacitor；First signal end of the third capacitor connects the first switch 133, the second signal end of the third capacitor
The first signal end of the 4th capacitor is connected, the second signal end of the 4th capacitor connects first match circuit 131
End；First signal end of second inductance connects the second signal end of the third capacitor, and the of second inductance
Binary signal end ground connection；First signal end of the third inductance connects the second signal end of the 4th capacitor, the third electricity
The second signal end of sense is grounded.The knot similar with the first match circuit 131 can be used in the specific structure of second match circuit 132
Structure is specifically detailed in the first match circuit 131, but not limited to this, the match circuit of existing other forms can be selected as needed,
Details are not described herein.
Attached drawing 5 is a kind of first antenna provided by the embodiments of the present application and the second antenna simulation result schematic diagram, attached drawing 6 are
The efficiency schematic diagram of the first antenna and the second antenna.As shown in Fig. 5, it can be seen that first antenna is in the first matching network
824-960MHz can be covered under 12 adjusting, the second antenna can also be covered by switching two states in the way of restructural
824-960MHz is covered, and the isolation of two antennas in two ipsilateral antennas in feed placement in -10db hereinafter, be within close proximity
In the case where still maintain preferable isolation.It can be obtained by attached drawing 6, the efficiency of two antennas 45% or more, meets actual
Terminal requirements.
In the embodiment of the present application, the positional relationship and third matching network 14 etc. of third gap 6 and third breakpoint 10
The setting that can be found in each structure in first antenna or the second antenna is set, i.e. the structure of third antenna can be found in first antenna or the
Two antennas；Equally, the settings such as positional relationship and the 4th matching network 15 of the 4th gap 7 and the 4th breakpoint 11 can be found in
The setting of each structure, the i.e. structure of the 4th antenna can be found in first antenna or the second antenna in one antenna or the second antenna, herein
It repeats no more.
In the application specific embodiment, first gap 4 and the third gap 6 are about the metal floor 2
The central axes of length direction are symmetrical；Second gap 5 and the 4th gap 7 are about 2 length direction of metal floor
Central axes are symmetrical.Respectively open along the long side two sides of metal floor 2 there are two narrow rectangular channel, help to reduce camera in terminal,
Influence of the components such as earpiece to antenna performance, and facilitate processing and fabricating and structure beautiful.
Further, third matching network 14 and third breakpoint 10 and the first matching network 12 and the first breakpoint 8 are about gold
The central axes of 2 length direction of possession plate are symmetrical；4th matching network 15 and the 4th breakpoint 11 and the second matching network 13 and second
Breakpoint 9 is symmetrical about the central axes of 2 length direction of metal floor.
In the application specific embodiment, to meet antenna in terminal resonance band, can to cover 824-960MHz first disconnected
The width of the 8, second breakpoint 9 of point, third breakpoint 10 and the 4th breakpoint 11 is 1.5mm, and the size adjusting gap according to terminal
Length.Usually when breakpoint width increases, resonance band is toward high frequency deviation, and the beamwidth of antenna broadens；When breakpoint width reduces
When, resonance band is inclined toward low frequency, and the beamwidth of antenna narrows.
Attached drawing 7 is the structural schematic diagram of another terminal with metal edge frame antenna provided by the embodiments of the present application.Such as
Shown in attached drawing 7, if feeding classification and matching network etc. remain unchanged, relative to shown in attached Fig. 1 and 2 have metal edge frame antenna
Terminal its gap length narrow, antenna in terminal resonance band can be in 2.4-2.7GHz, 3.3-3.6GHz or 4.8-5.0GHz
Frequency range generates resonance.
All the embodiments in this specification are described in a progressive manner, same and similar portion between each embodiment
Dividing may refer to each other, and each embodiment focuses on the differences from other embodiments, and related place is referring to side
The part of method embodiment illustrates.It should be noted that, in this document, the relationship art of such as " first " and " second " or the like
Language is only used to distinguish one entity or operation from another entity or operation, without necessarily requiring or implying this
There are any actual relationship or orders between a little entities or operation.Those skilled in the art are considering specification and reality
After trampling invention here, other embodiments of the present invention will readily occur to.This application is intended to cover any modification of the invention,
Purposes or adaptive change, these variations, uses, or adaptations follow general principle of the invention and including these
The common knowledge or conventional techniques in the art that invention is not invented.Description and embodiments are considered only as exemplary
, true scope and spirit of the invention are indicated by the following claims.
It should be understood that the application is not limited to the precise structure that has been described above and shown in the drawings, and
And various modifications and changes may be made without departing from the scope thereof.Scope of the present application is only limited by the accompanying claims.
Claims (10)
1. a kind of terminal with metal edge frame antenna, including medium substrate, the first face setting metal of the medium substrate
Plate；It is characterized in that, further including metal edge frame, the metal edge frame surrounds the surrounding of the medium substrate；
Mutually disconnected first gap, the second gap, third gap and the 4th gap, institute is arranged in the edge of the metal floor
State the first gap, the second gap, the side of third gap and the 4th gap far from the metal floor and the metal edge frame phase
It connects；
It is corresponding with one end of the metal edge frame that first gap, the second gap, third gap and the 4th gap connect to set
Set the first breakpoint, the second breakpoint, third breakpoint and the 4th breakpoint；
The first matching network, the second matching network, third matching network and the 4th is respectively set in second face of the medium substrate
Matching network, first matching network, the second matching network, third matching network and the 4th matching network correspond respectively
Feed connect the one end in first gap, the second gap, third gap and the 4th gap.
2. terminal according to claim 1, which is characterized in that the end of first matching network is in first gap
Couple feed is carried out to first gap at first breakpoint.
3. terminal according to claim 2, which is characterized in that the end of first matching network is provided with the first feed
Minor matters, first feed carry out couple feed to first gap by the first feed minor matters；
The first feed minor matters are that L-type feeds minor matters, and the first feed minor matters are to first gap far from described first
The direction of breakpoint extends.
4. terminal according to claim 1, which is characterized in that the end connection and described second of second matching network
The tie point of the metal edge frame that gap connects, second matching network and the metal edge frame is far from second breakpoint.
5. terminal according to claim 1 or 4, which is characterized in that second gap and first gap are located at institute
State the ipsilateral of metal floor, second breakpoint be located at second gap connect metal edge frame far from first gap one
End.
6. terminal according to claim 1, which is characterized in that second matching network includes the first match circuit, the
Two match circuits, first switch and the second switch；
The corresponding end for controlling first match circuit and connecting second matching network of the first switch, described second opens
Close the corresponding end for controlling second match circuit and connecting second matching network.
7. terminal according to claim 1 or 6, which is characterized in that on the metal edge frame to connect with second gap simultaneously
Connection bridging has third switch, and one end of the third switch connects the metal edge frame, the other end connection of the third switch
First signal end of the first flying capcitor, the second signal end ground connection of first flying capcitor.
8. terminal according to claim 1, which is characterized in that first matching network includes the first inductance, the first electricity
Hold and the second capacitor；
First signal end of the first capacitor is the beginning of first matching network, the second signal end of the first capacitor
Connect the end of first matching network；First signal end of second capacitor connects the second signal of the first capacitor
End, the second signal end ground connection of second capacitor；First signal end of first inductance connects the of the first capacitor
Binary signal end, the second signal end ground connection of first inductance.
9. terminal according to claim 6, which is characterized in that first match circuit includes the second inductance, third electricity
Sense, third capacitor and the 4th capacitor；
First signal end of the third capacitor connects the first switch, described in the second signal end connection of the third capacitor
The second signal end of first signal end of the 4th capacitor, the 4th capacitor connects the end of first match circuit；It is described
First signal end of the second inductance connects the second signal end of the third capacitor, the second signal termination of second inductance
Ground；First signal end of the third inductance connects the second signal end of the 4th capacitor, the second letter of the third inductance
Number end ground connection.
10. terminal according to claim 1, which is characterized in that first gap and the third gap are about described
The central axes of metal floor length direction are symmetrical；Second gap and the 4th gap are about the metal floor length side
To central axes it is symmetrical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910205346.8A CN109818134B (en) | 2019-03-18 | 2019-03-18 | Terminal with metal frame antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910205346.8A CN109818134B (en) | 2019-03-18 | 2019-03-18 | Terminal with metal frame antenna |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109818134A true CN109818134A (en) | 2019-05-28 |
| CN109818134B CN109818134B (en) | 2021-06-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910205346.8A Active CN109818134B (en) | 2019-03-18 | 2019-03-18 | Terminal with metal frame antenna |
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| CN (1) | CN109818134B (en) |
Cited By (3)
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| CN112259966A (en) * | 2020-09-28 | 2021-01-22 | 努比亚技术有限公司 | Multi-frequency band antenna structure |
| CN112467372A (en) * | 2019-09-06 | 2021-03-09 | 华为技术有限公司 | Antenna system, mobile terminal and signal transmission method |
| CN114069228A (en) * | 2020-08-07 | 2022-02-18 | 华为技术有限公司 | Power supply system of antenna and electronic equipment |
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| CN109818134B (en) | 2021-06-25 |
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Address after: 266071 Shandong city of Qingdao province Jiangxi City Road No. 11 Patentee after: Qingdao Hisense Mobile Communication Technology Co.,Ltd. Address before: 266071 Shandong city of Qingdao province Jiangxi City Road No. 11 Patentee before: HISENSE MOBILE COMMUNICATIONS TECHNOLOGY Co.,Ltd. |
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