CN107257016A - A kind of terminal multi-antenna structure and mobile terminal - Google Patents
A kind of terminal multi-antenna structure and mobile terminal Download PDFInfo
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- CN107257016A CN107257016A CN201710399526.5A CN201710399526A CN107257016A CN 107257016 A CN107257016 A CN 107257016A CN 201710399526 A CN201710399526 A CN 201710399526A CN 107257016 A CN107257016 A CN 107257016A
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- antenna
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/36—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
- H01Q1/52—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure
- H01Q1/521—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure reducing the coupling between adjacent antennas
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Abstract
The invention provides a kind of terminal multi-antenna structure and mobile terminal, it is related to electronic technology field, the isolation solved between the multiple antennas of existing mobile terminal is poor, limits the free degree and antenna performance of Antenna Design, makes the problem of appearance design of product is affected.The terminal multi-antenna structure includes：At least one breaking joint is provided with metal portion, metal portion, the metal structure of breaking joint both sides is respectively corresponding to a few antenna arm；At least one spacer is provided with breaking joint, spacer is conductive；Each network is selected to electrically connect by predeterminated frequency between antenna arm and the spacer nearest apart from the antenna arm, and at least one spacer in breaking joint selects grid grounding by predeterminated frequency.The solution of the present invention reduces the mutual coupling between multiple antennas, the isolation between multiple antennas is improved, optimizing antenna performance, there is provided the path of low-frequency antenna current crosses breaking joint, and improve the free degree of antenna performance debugging and the performance of low-frequency antenna, it is ensured that appearance.
Description
Technical field
The present invention relates to electronic technology field, and more particularly, to a kind of terminal multi-antenna structure and mobile terminal.
Background technology
As shown in figure 1, under conventional design, using metal or conductive component as the mobile terminal of the high accounting of shell, it is moved
Often a breaking joint 100 corresponds to one group of (two or more) antenna arm 200 in the antenna structure of terminal, if when the side of breaking joint is used
When making the radiation tail end of antenna, its electric-field intensity is general relatively strong, therefore is easier to the antenna of the opposite side coupled to breaking joint, and causes
Isolation deterioration between multiple antennas.So general breaking joint both sides are to utilize side to be that distal opening is used as aerial radiation, opposite side
Then it must often be grounded, to avoid having between two antennas stronger electric coupling and magnetic coupling, but this technology often limits each antenna
The free degree of design, or even antenna performance can be influenceed.
Increased in addition, breaking joint is directly disconnected width, be also conventional technology to reduce being mutually coupled between antenna, but
This method can make the design of product appearance be affected, reduction product overall competitiveness and attraction.
The content of the invention
The technical problem to be solved in the present invention is to provide a kind of antenna structure and mobile terminal, to solve to move in the prior art
Isolation between the multiple antennas of dynamic terminal is poor, limits the free degree and antenna performance of Antenna Design, makes the appearance design of product
The problem of being affected.
First aspect there is provided a kind of terminal multi-antenna structure, including：
At least one breaking joint is provided with metal portion, the metal portion, the metal structure of the breaking joint both sides is corresponded to respectively
At least one antenna arm；
At least one spacer for isolating both sides antenna arm is provided with the breaking joint, the spacer has conduction
Property；
Wherein, selected between each antenna arm and the spacer nearest apart from the antenna arm by predeterminated frequency
Network is electrically connected, and at least one described spacer in the breaking joint selects grid grounding by predeterminated frequency.
Second aspect there is provided a kind of mobile terminal, including：Terminal multi-antenna structure as described above.
The above-mentioned technical proposal of the present invention has the beneficial effect that：
The terminal multi-antenna structure of the embodiment of the present invention, with a metal portion for forming antenna, is provided with the metal portion
At least one breaking joint, the metal structure of breaking joint both sides is respectively corresponding to a few antenna arm；It is provided with breaking joint for isolating two
At least one spacer of side antenna arm, spacer is conductive；Wherein each antenna arm with it is nearest apart from the antenna arm
Network is selected to electrically connect by predeterminated frequency between spacer, and at least one spacer in breaking joint is selected by predeterminated frequency
Grid grounding.So, by adding spacer in the breaking joint between antenna, the mutual coupling between the multiple antennas of breaking joint both sides is reduced
Property, the isolation between multiple antennas is improved, antenna performance is optimized.And spacer selects grid grounding by predeterminated frequency, makes
Spacer can have different impedance responses to the antenna of breaking joint both sides, be lifted while isolation, improving day multiple antennas
The free degree of line performance adjustment.And select network and the different antennae arm of breaking joint both sides to be electrically connected by predeterminated frequency,
The path of low-frequency current is extended, the performance of low frequency function is improved.And can often reduce and need the disconnection width of increased breaking joint,
Appearance is ensure that, preferable integral product competitiveness and Consumer's Experience can be possessed.Solve mobile terminal in the prior art
Multiple antennas between isolation it is poor, limit the free degree and antenna performance of Antenna Design, make the appearance design of product by shadow
The problem of ringing.
Brief description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be in embodiment or description of the prior art
The required accompanying drawing used is briefly described, it should be apparent that, drawings in the following description are only some realities of the present invention
Example is applied, for those of ordinary skill in the art, without having to pay creative labor, can also be attached according to these
Figure obtains other accompanying drawings.
Fig. 1 is the schematic diagram of existing terminal multi-antenna structure；
Fig. 2 is the schematic diagram of terminal multi-antenna structure of the present invention；
Fig. 3 is the schematic diagram that terminal multi-antenna structure one of the present invention is implemented；
Fig. 4 is another schematic diagram of terminal multi-antenna structure of the present invention；
Fig. 5 is another schematic diagram implemented of terminal multi-antenna structure of the present invention；
Fig. 6 is another schematic diagram of terminal multi-antenna structure of the present invention；
Fig. 7 is another schematic diagram implemented of terminal multi-antenna structure of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is a part of embodiment of the invention, rather than whole embodiments.Based on this hair
Embodiment in bright, the every other implementation that those of ordinary skill in the art are obtained under the premise of creative work is not made
Example, belongs to the scope of protection of the invention.
In some embodiments of the invention, there is provided a kind of terminal multi-antenna structure shown in reference picture 2-7, including：
At least one breaking joint 11, the metal structure point of the both sides of breaking joint 11 are provided with metal portion 1, the metal portion 1
At least one antenna arm 12 is not corresponded to；
At least one spacer 2 for isolating both sides antenna arm 12 is provided with the breaking joint 11, the spacer 2 has
It is conductive；
Wherein, default frequency is passed through between each antenna arm 12 and the spacer 2 nearest apart from the antenna arm 12
Rate selection network 3 is electrically connected, and the spacer 2 of at least one in the breaking joint 11 selects network 3 to connect by predeterminated frequency
Ground.
Here, spacer 2 selects network 3 to be grounded by predeterminated frequency, spacer 2 is had not the antenna of breaking joint both sides
Same impedance response, lifts the free degree while isolation, improving antenna performance debugging multiple antennas.And by default
Frequency selective network 3 and the different antennae arm 12 of the both sides of breaking joint 11 are electrically connected, and realize frequency-division filter, are filtered by dividing
Ripple extends the path (because required current path and working frequency into reverse related) of low-frequency current, improves low frequency function
Performance, such as lifting 13.56MHz NFC (the short distance wireless communication technology, Near Field Communication) function
Performance (but not limited to), and reduce the influence to other antennas.
Wherein, spacer 2 is to be inserted in absolute construction in breaking joint, and spacer 2 can be made of metal material (but not to be limited
In this).
Wherein, it can be respectively arranged to isolate at least one spacer 2 of both sides antenna arm 12 in each breaking joint 11.
Specifically, the metal portion 1 can be golden for the inside of metal frame, becket, metal shell or non-metallic material profile
Belong to profile, also can be non-metallic material profile and the multi-antenna structure in profile.Wherein, can be by gold when using metal shell
Category housing laterally hollows out a part, is divided into antenna field and main, antenna field is longitudinally set as above-mentioned metal portion 1, and in antenna field
Breaking joint 11 is put, at least two antenna arms 12 are broken into.
The terminal multi-antenna structure of the embodiment of the present invention, by adding spacer 2 in the breaking joint 11 between antenna, is reduced
Mutual coupling between the multiple antennas of the both sides of breaking joint 11, improves the isolation between multiple antennas, optimizes antenna performance.And spacer 2
Select network 3 to be grounded by predeterminated frequency, spacer 2 there are different impedance responses to the antenna of the both sides of breaking joint 11, lifted
The free degree while isolation, improving antenna performance debugging multiple antennas.And network 3 is selected with breaking by predeterminated frequency
The different antennae arm for stitching 11 both sides is electrically connected, and extends the path of low-frequency current, improves the performance of low frequency function.And
Can often reduce needs the disconnection width of increased breaking joint 11, it is ensured that appearance, can possess preferable integral product competitiveness
With Consumer's Experience.The isolation solved between the multiple antennas of mobile terminal in the prior art is poor, limits the freedom of Antenna Design
Degree and antenna performance, make the problem of appearance design of product is affected.
Optionally, when being provided with multiple spacers 2 in the breaking joint 11, the adjacent spacer 2 of each two
Between by predeterminated frequency select network 3 electrically connect.
Now, network 3 is selected to electrically connect by predeterminated frequency between two adjacent spacers 2 so that with frequency or close
Also there is preferably isolation between the multiple antennas of working frequency, improve with the isolation between frequency or the close multiple antennas of working frequency
Degree, and improve the free degree of antenna performance debugging.
As a kind of optional implementation, shown in reference picture 2,3, a spacer is provided with the breaking joint 11
2, the spacer 2 selects network 3 to be grounded by predeterminated frequency, and each antenna arm 12 with it is nearest apart from the antenna arm 12
The spacer 2 between by predeterminated frequency select network 3 electrically connect.
Here, by inserting spacer 2 in the breaking joint 11 between multiple antennas, and spacer 2 is made to be selected by predeterminated frequency
Network 3 is grounded, i.e., the spacer 2 with frequency selectivity is inserted in the breaking joint 11 between multiple antennas, and now 2 pairs of spacer breaks
Different impedance responses can be had by stitching the antenna of 11 both sides, so as to be lifted while isolation, improving day linear multiple antennas
The free degree that can be debugged.And select network 3 and the different antennae arm 12 of the both sides of breaking joint 11 to be electrically connected by predeterminated frequency,
Frequency-division filter is realized, the path of low-frequency current is extended (because required current path and working frequency by frequency-division filter
Into reverse correlation), the performance of low frequency function is improved, the performance (but not limited to) of 13.56MHz NFC functions is such as lifted, and
Reduce the influence to other antennas.The predeterminated frequency selection network 3 of ground connection, which also plays, simultaneously does not allow low-frequency current path straight
It is connected to the function on ground so that low frequency performance is further lifted.
For example, select the different impedance response of Antenna Design of the network 3 to the both sides of breaking joint 11 by predeterminated frequency, can make every
It, close to short-circuit condition, and is close to open-circuit condition, so as to breaking joint to opposite side antenna to be to breaking joint 11 certain side antenna from piece 2
The antenna of 11 both sides can have different responses and influence, therefore have the higher antenna performance debugging free degree.
Wherein, based on different impedance responses are deliberately designed to the both sides antenna of breaking joint 11, the position that can carry out spacer 2 is excellent
Change, i.e., spacer 2 can be arranged in breaking joint 11 in a centered manner, can not also mode placed in the middle be arranged in breaking joint 11, from
And reach more preferably antenna performance.
Particularly, when short-circuit (ground connection) state is presented to certain side antenna in spacer 2, spacer 2 can be adjusted deviation
This side antenna, i.e., it is close to the antenna that open-circuit condition is presented in opposite side, it is linear to the side day because short-circuit condition is presented to reduce
The influence of energy.And this method can often reduce the demand that increase breaking joint 11 disconnects width, it is ensured that appearance, and there is preferably antenna
Performance.
Wherein, each antenna arm 12 can be connected to ground by feed, and feed refers generally to the position that feeder line is connected at antenna,
Feeder line refers generally to the transmission line that radio-frequency front-end is connected to antenna.
Further, shown in reference picture 3, the metal portion 1 for setting antenna arm 12 and breaking joint 11 can be at the top of metal center
Or bottom (but not limited to).Two breaking joints 11 can be set for arch or bottom in a metal, metal center is broken into three
Metal structure between metal structure, two of which breaking joint 11 is divided into two antenna arms 12, another two metal structure by ground connection
Respectively as an antenna arm 12, so that at the top of metal center or bottom is broken into four antenna arms 12, each antenna arm 12
It is grounded by feed.
Wherein, a spacer 2 is provided with breaking joint 11, spacer 2 is the absolute construction being inserted in breaking joint 11.Isolation
Piece 2 selects network 3 to be grounded by predeterminated frequency, the antenna arm 12 of the both sides of breaking joint 11 and the spacer nearest apart from the antenna arm 12
Network 3 is selected to electrically connect by predeterminated frequency between 2.Wherein, predeterminated frequency selection network 3 and feed be arranged at metal center with
Between the main ground 4 of terminating circuit.
Now, spacer 2 selects network 3 to be grounded by predeterminated frequency so that spacer 2 can to the antenna of the both sides of breaking joint 11
There are different impedance responses, to improve the free degree of antenna performance debugging.And 11 liang of network 3 and breaking joint are selected by predeterminated frequency
The different antennae arm 12 of side is electrically connected, and realizes frequency-division filter, can extend the road of low-frequency current by frequency-division filter
Footpath, lifts low frequency performance.For example, with continued reference to shown in Fig. 3, it is assumed that the first feed 51 is NFC feed, then the dotted line A in Fig. 3
NFC current paths as after present invention extension, so as to not limited by outward appearance breaking joint, there is preferable Consumer's Experience.Wherein
Dotted line A one end is the first feed 51, and the other end is grounded by antenna arm 12.
Wherein, spacer 2 can be arranged in breaking joint 11 in placed in the middle or mode not placed in the middle, so as to reach more preferably antenna
Performance.
Now, by adding spacer 2 in the breaking joint 11 between antenna, reduce mutual between the multiple antennas of the both sides of breaking joint 11
Coupling, improves the isolation between multiple antennas, optimizes antenna performance.And can often reduce needs the disconnection of increased breaking joint 11 wide
Degree, it is ensured that appearance, can possess preferable integral product competitiveness and Consumer's Experience.And low frequency performance is improved, and make
Spacer 2 can have different impedance responses to the antenna of the both sides of breaking joint 11, improve the free degree of antenna performance debugging.
As another optional implementation, shown in reference picture 4,5, two isolation are provided with the breaking joint 11
Network 3 is selected to be electrically connected by predeterminated frequency between piece 2 (the first spacer 21 and the second spacer 22), two spacers 2
Select network 3 to be grounded by predeterminated frequency again after connecing, and each antenna arm 12 with apart from the antenna arm 12 recently described in
Network 3 is selected to electrically connect by predeterminated frequency between spacer 2.
Here, by inserting two spacers 2 in the breaking joint 11 between multiple antennas, and spacer 2 is made by predeterminated frequency
Selection network 3 is grounded, i.e., the spacer 2 with frequency selectivity is inserted in the breaking joint 11 between multiple antennas, now spacer 2
There can be different impedance responses to the antenna of the both sides of breaking joint 11, so as to be lifted while isolation, improving day multiple antennas
The free degree of line performance adjustment.Two spacers 2 are especially made to select network 3 to be grounded again after connecting by predeterminated frequency, it is such
Even design with frequency or close between the multiple antennas of working frequency (because with frequently or close to the isolation between working frequency often most
Difference, i.e. mutual coupling are most strong, often least easily decoupling, therefore often maximum on antenna performance influence) can also there is preferably isolation, change
It has been apt to the isolation between frequency or the close multiple antennas of working frequency, and has further increased the free degree of antenna performance debugging.
Select network 3 and the different antennae arm 12 of the both sides of breaking joint 11 to be electrically connected especially through predeterminated frequency, realize frequency dividing filter
Ripple, the path (because required current path and working frequency into reverse related) of low-frequency current is extended by frequency-division filter,
The performance of low frequency function is improved, the performance (but not limited to) of 13.56MHz NFC functions is such as lifted, and reduced to other
The influence of antenna.The predeterminated frequency selection network 3 of ground connection also plays the work(for not allowing low-frequency current path to be directly connected to ground simultaneously
Can so that low frequency performance is further lifted.
For example, select the different impedance response of Antenna Design of the network 3 to the both sides of breaking joint 11 by predeterminated frequency, can make every
It, close to short-circuit condition, and is close to open-circuit condition, so as to breaking joint to opposite side antenna to be to breaking joint 11 certain side antenna from piece 2
The antenna of 11 both sides can have different responses and influence, therefore have the higher antenna performance debugging free degree.
Wherein, based on different impedance responses are deliberately designed to the both sides antenna of breaking joint 11, the position that can carry out spacer 2 is excellent
Change, i.e., two spacers 2 can be arranged in breaking joint 11 in a centered manner as overall (but not limited to), can not also be placed in the middle
Mode be arranged in breaking joint 11, so as to reach more preferably antenna performance.
Particularly, when short-circuit (ground connection) state is presented to certain side antenna in spacer 2, can using two spacers 2 as
Overall (but not limited to) adjustment deviates this side antenna, i.e., close to the antenna that open-circuit condition is presented in opposite side, to reduce because being in
Existing short-circuit condition and to the influence of the side antenna performance.And this method can often reduce the demand that increase breaking joint 11 disconnects width, protect
Appearance is demonstrate,proved, and has preferably antenna performance.
Wherein, each antenna arm 12 can be connected to ground by feed, and feed refers generally to the position that feeder line is connected at antenna,
Feeder line refers generally to the transmission line that radio-frequency front-end is connected to antenna.
Further, shown in reference picture 5, the metal portion 1 for setting antenna arm 12 and breaking joint 11 can be at the top of metal center
Or bottom (but not limited to).Two breaking joints 11 can be set for arch or bottom in a metal, metal center is broken into three
Metal structure between metal structure, two of which breaking joint 11 is divided into two antenna arms 12, another two metal structure by ground connection
Respectively as an antenna arm 12, so that at the top of metal center or bottom is broken into four antenna arms 12, each antenna arm 12
It is grounded by feed.
Wherein, two spacers 2 (the first spacer 21 and the 3rd spacer 22), two spacers are provided with breaking joint 11
2 be the absolute construction being inserted in breaking joint 11.Network 3 is selected to lead to again after electrically connecting by predeterminated frequency between two spacers 2
Predeterminated frequency selection network 3 is crossed to be grounded.And the antenna arm 12 of the both sides of breaking joint 11 and the spacer 2 nearest apart from the antenna arm 12 it
Between by predeterminated frequency select network 3 electrically connect.Wherein, predeterminated frequency selection network 3 and feed are arranged at metal center and end
Between the main ground 4 of terminal circuit.
Now, selected after the electrical connection of network 3, then selected by predeterminated frequency by predeterminated frequency between two spacers 2
Network 3 is grounded so that even with frequency or close to can also there is preferably isolation between the multiple antennas of working frequency, improving antenna
The free degree of performance adjustment.And select network 3 and the different antennae arm 12 of the both sides of breaking joint 11 electrically to be connected by predeterminated frequency
Connect, realize frequency-division filter, the path of low-frequency current can be extended by frequency-division filter, lift low frequency performance.For example, continuing to join
According to shown in Fig. 5, it is assumed that the first feed 51 is NFC feed, then the dotted line B in Fig. 5 is the NFC electric currents road after present invention extension
, so as to not limited by outward appearance breaking joint, there is preferable Consumer's Experience in footpath.Wherein dotted line B one end is the first feed 51, another
End is grounded by antenna arm 12.
Wherein, two spacers in placed in the middle or mode not placed in the middle can be arranged at breaking joint as overall (but not limited to)
In, so as to reach more preferably antenna performance.
Now, by adding spacer 2 in the breaking joint 11 between antenna, reduce mutual between the multiple antennas of the both sides of breaking joint 11
Coupling, improves the isolation between multiple antennas, optimizes antenna performance.And can often reduce needs the disconnection of increased breaking joint 11 wide
Degree, it is ensured that appearance, can possess preferable integral product competitiveness and Consumer's Experience.And low frequency performance is improved, and make
Spacer 2 can have different impedance responses to the antenna of the both sides of breaking joint 11, improve the free degree of antenna performance debugging.And cause
Even with frequency or close to can also there is preferably isolation between the multiple antennas of working frequency, improving close with frequency or working frequency
Multiple antennas between isolation, further increase antenna performance debugging the free degree.
As another optional implementation, shown in reference picture 6,7, three isolation are provided with the breaking joint 11
Pass through between piece 2 (the first spacer 21, the second spacer 22 and the 3rd spacer 23), the adjacent spacer 2 of each two
After predeterminated frequency selection network 3 is electrically connected, one of them described spacer 2 selects network 3 to be grounded by predeterminated frequency again, and often
Network 3 is selected to be electrically connected by predeterminated frequency between the individual antenna arm 12 and the spacer 2 nearest apart from the antenna arm 12
Connect.
Wherein, it is preferred that selected after the electrical connection of network 3, be located at by predeterminated frequency between the adjacent spacer 2 of each two
A middle spacer 2 selects network 3 to be grounded by predeterminated frequency again.
Here, by inserting three spacers 2 in the breaking joint 11 between multiple antennas, and spacer 2 is made by predeterminated frequency
Selection network 3 is grounded, i.e., the spacer 2 with frequency selectivity is inserted in the breaking joint 11 between multiple antennas, now spacer 2
There can be different impedance responses to the antenna of the both sides of breaking joint 11, so as to be lifted while isolation, improving day multiple antennas
The free degree of line performance adjustment.The adjacent spacer 2 of each two is especially set to select network 3 to connect by predeterminated frequency, it is such
Even design with frequency or close between the multiple antennas of working frequency (because with frequently or close to the isolation between working frequency often most
Difference, i.e. mutual coupling are most strong, often least easily decoupling, therefore often maximum on antenna performance influence) can also there is preferably isolation, change
It has been apt to the isolation between frequency or the close multiple antennas of working frequency, and has further increased the free degree of antenna performance debugging.
And this design, compared to one or two spacer 22 is inserted in breaking joint 11, adjustable design freedom is higher, therefore often more has
Chance reaches more preferably decoupling performance, and has more preferable antenna performance.Especially through 11 liang of predeterminated frequency selection network 3 and breaking joint
The different antennae arm 12 of side is electrically connected, and realizes frequency-division filter, and the path of low-frequency current is extended by frequency-division filter
(because required current path and working frequency into reverse related), improves the performance of low frequency function, such as lifts 13.56MHz
The performance (but not limited to) of NFC function, and reduce the influence to other antennas.The predeterminated frequency of ground connection selects network simultaneously
3 also play the function of not allowing low-frequency current path to be directly connected to ground so that low frequency performance is further lifted.
For example, select the different impedance response of Antenna Design of the network 3 to the both sides of breaking joint 11 by predeterminated frequency, can make every
It, close to short-circuit condition, and is close to open-circuit condition, so as to breaking joint to opposite side antenna to be to breaking joint 11 certain side antenna from piece 2
The antenna of 11 both sides can have different responses and influence, therefore have the higher antenna performance debugging free degree.
Wherein, based on different impedance responses are deliberately designed to the both sides antenna of breaking joint 11, the position that can carry out spacer 2 is excellent
Change, i.e., three spacers 2 can be arranged in breaking joint 11 in a centered manner as overall (but not limited to), can not also be placed in the middle
Mode be arranged in breaking joint 11, so as to reach more preferably antenna performance.
Particularly, when short-circuit (ground connection) state is presented to certain side antenna in spacer 2, can using three spacers 2 as
Overall (but not limited to) adjustment deviates this side antenna, i.e., close to the antenna that open-circuit condition is presented in opposite side, to reduce because being in
Existing short-circuit condition and to the influence of the side antenna performance.And this method can often reduce the demand that increase breaking joint 11 disconnects width, protect
Appearance is demonstrate,proved, and has preferably antenna performance.
Wherein, each antenna arm 12 can be connected to ground by feed, and feed refers generally to the position that feeder line is connected at antenna,
Feeder line refers generally to the transmission line that radio-frequency front-end is connected to antenna.
Further, shown in reference picture 7, the metal portion 1 for setting antenna arm 12 and breaking joint 11 can be at the top of metal center
Or bottom (but not limited to).Two breaking joints 11 can be set for arch or bottom in a metal, metal center is broken into three
Metal structure between metal structure, two of which breaking joint 11 is divided into two antenna arms 12, another two metal structure by ground connection
Respectively as an antenna arm 12, so that at the top of metal center or bottom is broken into four antenna arms 12, each antenna arm 12
It is grounded by feed.
Wherein, three spacers 2 (the first spacer 21, the second spacer 22 and the 3rd spacer are provided with breaking joint 11
23), three spacers 2 are the absolute construction being inserted in breaking joint 11.Net is selected by predeterminated frequency between each two spacer 2
After network 3 is electrically connected, network 3 is selected to be grounded by predeterminated frequency again positioned at middle spacer 2.And the antenna arm of the both sides of breaking joint 11
Network 3 is selected to electrically connect by predeterminated frequency between 12 and the spacer 2 nearest apart from the antenna arm 12.Wherein, predeterminated frequency
Selection network 3 and feed are arranged between metal center and the main ground 4 of terminating circuit.
Now, selected after the electrical connection of network 3, be located at by predeterminated frequency between each two spacer 2 in three spacers 2
Middle spacer 2 selects network 3 to be grounded by predeterminated frequency again so that even with frequency or close to the multiple antennas of working frequency
Between can also have preferably isolation, improve antenna performance debugging the free degree.And network 3 and breaking joint are selected by predeterminated frequency
The different antennae arm 12 of 11 both sides is electrically connected, and realizes frequency-division filter, and low-frequency current can be extended by frequency-division filter
Path, lifted low frequency performance.For example, with continued reference to shown in Fig. 7, it is assumed that the first feed 51 is NFC feed, then in Fig. 7
Dotted line C is the NFC current paths after present invention extension, so as to not limited by outward appearance breaking joint, there is preferable Consumer's Experience.
Wherein dotted line C one end is the first feed 51, and the other end is grounded by antenna arm 12.
Wherein, three spacers in placed in the middle or mode not placed in the middle can be arranged at breaking joint as overall (but not limited to)
In, so as to reach more preferably antenna performance.
Now, by adding spacer 2 in the breaking joint 11 between antenna, reduce mutual between the multiple antennas of the both sides of breaking joint 11
Coupling, improves the isolation between multiple antennas, optimizes antenna performance.And can often reduce needs the disconnection of increased breaking joint 11 wide
Degree, it is ensured that appearance, can possess preferable integral product competitiveness and Consumer's Experience.And low frequency performance is improved, and make
Spacer 2 can have different impedance responses to the antenna of the both sides of breaking joint 11, improve the free degree of antenna performance debugging.And cause
Even with frequency or close to can also there is preferably isolation between the multiple antennas of working frequency, improving close with frequency or working frequency
Multiple antennas between isolation, further increase antenna performance debugging the free degree.
Wherein, the predeterminated frequency selection network 3 sayed herein can be in electric capacity, inductance, magnetic bead, resistance and wave filter
It is one or more, combined by way of series connection and/or parallel connection.And predeterminated frequency selection network 3 selects for adjustable frequency
Select network or fixed (i.e. non-dimmable) frequency selective network.It can specifically be set according to the actual requirements.
Wherein, predeterminated frequency selection network 3 can be Binding experiment data, acquisition meet demand there is specific frequency
The network of selection function.
Wherein, adjustable frequency selective network is the frequency selective network of Parameter adjustable, and fixed frequency selective network is
The nonadjustable frequency selective network of parameter.
Wherein, have already mentioned above, the spacer 2 can be arranged at the breaking joint 11 in placed in the middle or mode not placed in the middle
In, further to optimize antenna performance.When breaking joint 11 includes multiple spacers 2, can using multiple spacers 2 as it is overall with
Placed in the middle or mode not placed in the middle is set.
In addition, in order to avoid unnecessary resonance, and ensure preferable isolation effect, optionally, the spacer 2 is grounded
The length in path is less than the length of the most short antenna arm 12 of the both sides of breaking joint 11.
Now, it is to avoid unnecessary resonance, and it ensure that preferable isolation effect.
In addition, in order to ensure more preferable appearance, optionally, the width of the breaking joint 11 is less than or equal to 100 millimeters；
The gross thickness of all spacers 2 in the breaking joint 11 is less than or equal to 50 millimeters.
Now, on the premise of preferably isolation is ensured, it is ensured that more preferable appearance.
In addition, the area of section of spacer 2 is small than the area of section of the metal structure of the both sides of breaking joint 11, so as to spacer
2 encased by the nonmetallic materials in breaking joint 11 it is not exposed.
In addition, all conductive structures sayed herein, such as spacer, can be made of metal material (but be not limited to
This).
To sum up, the terminal multi-antenna structure of the embodiment of the present invention, it is using relatively easy, ripe, consolidate, and low cost is set
Implementation is counted, the mutual coupling between the multiple antennas of the both sides of breaking joint 11 is reduced, improves the isolation between multiple antennas, optimize day
Linear energy.And cause one or more above-mentioned spacers 2, select networking etc. to be connected again by adjustable or fixed frequency
Ground is connected to, designs and different impedance load environment is produced to the antenna of the both sides of breaking joint 11, using as to the both sides antenna of breaking joint 11
The spacer 2 of (especially to frequency or the close multiple antennas of working frequency) isolation, and reduce between the multiple antennas of the both sides of breaking joint 11
Mutual coupling with improve isolation, and cause antenna performance lifted.And by further adjusting spacer 2 in breaking joint 11
Position, antenna performance can be optimized again.And networking and the both sides antenna arm of breaking joint 11 are selected by adjustable or fixed frequency
12 are electrically connected, and can reach preferable isolation can also lift low frequency (such as NFC) performance.And the present invention can often have compared with
Big chance reaches preferable multiple antennas performance, therefore can possess preferably whole in the case where substantially not increasing the disconnection width of outward appearance breaking joint 11
Body product competitiveness and Consumer's Experience.
It should be noted that spirit of the present invention be intended to multiple antennas (be not limited at the breaking joint on becket and metal-back, as long as
Be to be applicable between multiple antennas, i.e., also can be used for for the multi-antenna structure in non-metallic material profile and profile) between insert one or
The above-mentioned spacer 2 of multiple (more than one), and via (adjustable or fixed) inductance/capacitance/magnetic bead/resistance/filtering
Frequency selection networking of device or its series/parallel mix and match etc. is connected is connected to ground again, to isolate as between multiple antennas
Spacer 2, to reach preferable integral product competitiveness and Consumer's Experience, therefore protection domain is included but is not only limited to
State embodiment and planform, form, size, position and number in it of proposition etc..In addition, the basis based on the present invention is thought
Dimension mentally, similar frequency selective network application can be also carried out at antenna feed, is reduced with further lifting isolation
Mutual coupling, to reach preferably antenna performance and Consumer's Experience.The scope that this patent protection all of the present invention is covered.
In some embodiments of the invention, a kind of mobile terminal is additionally provided, including：As described in above-mentioned embodiment
Terminal multi-antenna structure.
Wherein, the described of above-mentioned terminal multi-antenna structure realizes embodiment suitable for the embodiment of the mobile terminal,
Also identical technique effect can be reached.
The mobile terminal of the present invention such as can be machine, tablet personal computer, personal digital assistant (Personal Digital
Assistant, PDA) or vehicle-mounted computer etc..
In the description of the invention, it is to be understood that term " longitudinal direction ", " radial direction ", " length ", " width ", " thickness ",
The orientation of instruction such as " on ", " under ", "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outer " or
Position relationship is, based on orientation shown in the drawings or position relationship, to be for only for ease of the description present invention and simplify description, without
It is that instruction or the signified device of hint or element must have specific orientation, with specific azimuth configuration and operation, therefore not
It is understood that as limitation of the present invention.In the description of the invention, unless otherwise indicated, " multiple " are meant that two or two
More than.
The foregoing is only a specific embodiment of the invention, but protection scope of the present invention is not limited thereto, any
Those familiar with the art the invention discloses technical scope in, change or replacement can be readily occurred in, should all be contained
Cover within protection scope of the present invention.Therefore, protection scope of the present invention should be defined by scope of the claims.
Claims (11)
1. a kind of terminal multi-antenna structure, it is characterised in that including：
At least one breaking joint is provided with metal portion, the metal portion, the metal structure of the breaking joint both sides is respectively corresponding to less
One antenna arm；
At least one spacer for isolating both sides antenna arm is provided with the breaking joint, the spacer is conductive；
Wherein, network is selected by predeterminated frequency between each antenna arm and the spacer nearest apart from the antenna arm
Electrically connect, and at least one described spacer in the breaking joint selects grid grounding by predeterminated frequency.
2. terminal multi-antenna structure according to claim 1, it is characterised in that multiple described when being provided with the breaking joint
During spacer, network is selected to electrically connect by predeterminated frequency between the adjacent spacer of each two.
3. terminal multi-antenna structure according to claim 1, it is characterised in that be provided with the breaking joint described in one every
From piece, the spacer selects grid grounding by predeterminated frequency, and each antenna arm with it is nearest apart from the antenna arm
Network is selected to electrically connect by predeterminated frequency between the spacer.
4. terminal multi-antenna structure according to claim 1, it is characterised in that be provided with the breaking joint described in two every
From piece, network is selected to select network to connect by predeterminated frequency again after electrically connecting by predeterminated frequency between two spacers
Network is selected to be electrically connected by predeterminated frequency between ground, and each antenna arm and the spacer nearest apart from the antenna arm
Connect.
5. terminal multi-antenna structure according to claim 1, it is characterised in that be provided with the breaking joint described in three every
From piece, selected between the adjacent spacer of each two by predeterminated frequency after network electrical connection, one of them described isolation
Piece selects grid grounding by predeterminated frequency again, and each antenna arm and the spacer nearest apart from the antenna arm it
Between pass through predeterminated frequency select network electrically connect.
6. the terminal multi-antenna structure according to any one of claim 1-5, it is characterised in that the predeterminated frequency selection
Network by one or more of electric capacity, inductance, magnetic bead, resistance and wave filter, series connection and/or it is in parallel by way of combine and
Into.
7. the terminal multi-antenna structure according to any one of claim 1-5, it is characterised in that the predeterminated frequency selection
Network is adjustable frequency selective network or fixed frequency selective network.
8. the terminal multi-antenna structure according to any one of claim 1-5, it is characterised in that the metal portion is metal
Frame, becket, the interior metal profile of metal shell or non-metallic material profile.
9. the terminal multi-antenna structure according to any one of claim 1-5, it is characterised in that the spacer is grounded road
The length in footpath is less than the length of the most short antenna arm of breaking joint both sides.
10. the terminal multi-antenna structure according to any one of claim 1-5, it is characterised in that the width of the breaking joint
Less than or equal to 100 millimeters；The gross thickness of all spacers in the breaking joint is less than or equal to 50 millimeters.
11. a kind of mobile terminal, it is characterised in that including：Terminal multiple antennas knot as any one of claim 1-10
Structure.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710399526.5A CN107257016A (en) | 2017-05-31 | 2017-05-31 | A kind of terminal multi-antenna structure and mobile terminal |
| PCT/CN2018/086320 WO2018219113A1 (en) | 2017-05-31 | 2018-05-10 | Terminal multi-antenna structure and mobile terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710399526.5A CN107257016A (en) | 2017-05-31 | 2017-05-31 | A kind of terminal multi-antenna structure and mobile terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107257016A true CN107257016A (en) | 2017-10-17 |
Family
ID=60028023
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710399526.5A Pending CN107257016A (en) | 2017-05-31 | 2017-05-31 | A kind of terminal multi-antenna structure and mobile terminal |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN107257016A (en) |
| WO (1) | WO2018219113A1 (en) |
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| WO2018176948A1 (en) * | 2017-03-28 | 2018-10-04 | 维沃移动通信有限公司 | Mobile terminal antenna and mobile terminal |
| WO2018219113A1 (en) * | 2017-05-31 | 2018-12-06 | 维沃移动通信有限公司 | Terminal multi-antenna structure and mobile terminal |
| WO2018219112A1 (en) * | 2017-05-31 | 2018-12-06 | 维沃移动通信有限公司 | Terminal multi-antenna structure and mobile terminal |
| CN113013620A (en) * | 2021-02-25 | 2021-06-22 | 北京有竹居网络技术有限公司 | Antenna and terminal |
| WO2023284811A1 (en) * | 2021-07-16 | 2023-01-19 | 华为技术有限公司 | Antenna structure and electronic device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US11876306B2 (en) | 2021-06-22 | 2024-01-16 | Microsoft Technology Licensing, Llc | Chassis antenna |
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Also Published As
| Publication number | Publication date |
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| WO2018219113A1 (en) | 2018-12-06 |
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Application publication date: 20171017 |