CN105119037B - A kind of communication terminal - Google Patents
A kind of communication terminal Download PDFInfo
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- CN105119037B CN105119037B CN201510492579.2A CN201510492579A CN105119037B CN 105119037 B CN105119037 B CN 105119037B CN 201510492579 A CN201510492579 A CN 201510492579A CN 105119037 B CN105119037 B CN 105119037B
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- communication terminal
- dorsal shield
- antenna
- gap
- metal
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Abstract
The embodiment of the invention discloses a kind of communication terminals, including：It is set to the metal dorsal shield at the communication terminal back side, metal dorsal shield includes the first dorsal shield and the second dorsal shield；The mainboard being arranged in communication terminal；The antenna structure being set in communication terminal, antenna structure include：The driving source being arranged on mainboard, and the antenna cabling that is electrically connected with driving source；In the plane for being parallel to metal dorsal shield and in the plane of metal dorsal shield, there is gap between antenna cabling and the first dorsal shield.The width that communication terminal provided by the present invention passes through gap between change antenna cabling and the first dorsal shield, to adjust the resonant frequency of antenna in communication terminal, it is simple in structure, requirement to communication terminal entire length and width reduces, it avoids and antenna resonant frequency length or partially short problem partially easily occurs, and the communication terminal use can be reduced and use influence of the account hand to its antenna performance in the process, to meet the index in terms of head hand test of communication terminal antenna performance.
Description
Technical field
The present invention relates to antenna technical field more particularly to a kind of communication terminals.
Background technology
The mobile communication of continuous improvement with user to mobile communication terminal appearance requirement, more and more metal appearances is whole
It brings out currently on the market, but the all-metal rear cover of number mobile communication terminal big absolutely has more gap or plastic cement region, comes
Meet the requirement of its antenna performance.Only it is only two gaps in the metal back cover of only a few mobile communication terminal.But it should
Antenna device for full metal shell described in patent application uses PIFA antennas, due to PIFA antennas to feed with ground be connected
Position is very sensitive, causes the mobile communication terminal using the antenna structure to require whole length and width higher, no
Then, it is partially long or partially short to be easy to cause antenna resonant frequency.Moreover, benefiting from account hand using the mobile communication terminal of the antenna structure
Be affected, it is difficult to meet the index in terms of head hand test of mobile communication terminal antenna performance.
Invention content
In order to solve the above technical problems, an embodiment of the present invention provides a kind of communication terminals, existing gold can be not only reduced
Belong in dorsal shield communication terminal, antenna structure is higher to communication terminal entire length and width requirement, easily leads to antenna resonant frequency
Partially long or partially short problem can also reduce the communication terminal use and use influence of the account hand to it in the process.
To solve the above problems, an embodiment of the present invention provides following technical solutions：
A kind of communication terminal, including：
It is set to the metal dorsal shield at the communication terminal back side, the metal dorsal shield includes the first dorsal shield and the second dorsal shield；
Mainboard in the communication terminal is set；
The antenna structure being set in the communication terminal, the antenna structure include：What is be arranged on the mainboard swashs
Source is encouraged, and the antenna cabling being electrically connected with the driving source；
Wherein, in the plane for being parallel to the metal dorsal shield and in the plane of the metal dorsal shield, the day
There is gap between line cabling and first dorsal shield.
Preferably, the antenna cabling has the first gap with first dorsal shield away from second dorsal shield one end, away from
There is the second gap from first dorsal shield side, there is third gap apart from first dorsal shield bottom surface.
Preferably, it is filled in megohmite insulant and/or second gap in first gap and is filled with insulant
Megohmite insulant is filled in matter and/or the third gap.
Preferably, the width range in first gap is 0.4mm-2mm.
Preferably, the width range in second gap is 0.4mm-2mm.
Preferably, there is the 4th gap, the 4th gap is at least between first dorsal shield and second dorsal shield
Megohmite insulant is filled in subregion.
Preferably, first dorsal shield is electrically connected with second dorsal shield by conductor structure.
Preferably, the conductor structure is located at the metal dorsal shield towards communication terminal displays screen side, and described
Conductor structure subregion is electrically connected with first dorsal shield, and subregion is electrically connected with second dorsal shield.
Preferably, first dorsal shield is located at the corresponding region of the communication terminal bottom frame.
Preferably, the antenna cabling is fixedly connected by fixing piece with first dorsal shield, and the fixing piece and institute
State mutually insulated between antenna cabling.
Compared with prior art, above-mentioned technical proposal has the following advantages：
The communication terminal that the embodiment of the present invention is provided, including：It is set to the metal dorsal shield at the communication terminal back side, institute
It includes the first dorsal shield and the second dorsal shield to state metal dorsal shield；Mainboard in the communication terminal is set；It is set to the communication eventually
Antenna structure in end, the antenna structure include：Driving source on the mainboard is set, and is electrically connected with the driving source
The antenna cabling connect；Wherein, in the plane for being parallel to the metal dorsal shield and in the plane of the metal dorsal shield, institute
Stating has gap between antenna cabling and first dorsal shield.It can be seen that in the communication terminal that the embodiment of the present invention is provided,
There is gap, so that the communication terminal that the embodiment of the present invention is provided can between the antenna cabling and first dorsal shield
Using using the solid shape of the antenna cabling as radiator, by changing between the antenna cabling and first dorsal shield
The width in gap, it is simple in structure to adjust the resonant frequency of antenna in the communication terminal, to the communication terminal entire length
Requirement with width reduces, and avoids and antenna resonant frequency length or partially short problem partially easily occurs.Moreover, institute of the embodiment of the present invention
The communication terminal of offer uses influence of the account hand to its antenna performance during can also reducing the communication terminal use, to meet
The index in terms of head hand test of communication terminal antenna performance.
Description of the drawings
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 technology 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
Obtain other attached drawings according to these attached drawings.
The structural schematic diagram for the communication terminal that Fig. 1 is provided by one embodiment of the invention；
The sectional view for the communication terminal that Fig. 2 is provided by one embodiment of the invention；
The overlayable antenna frequencies range curve graph of communication terminal that Fig. 3 is provided by one embodiment of the invention；
Return loss of the communication terminal that Fig. 4 is provided by one embodiment of the invention under certain operating mode is illustrated
Figure；
When Fig. 5 is operated in Mid Frequency by the communication terminal that one embodiment of the invention provides, the current distribution on surface
Schematic diagram；
When Fig. 6 is operated in high band by the communication terminal that one embodiment of the invention provides, the current distribution on surface
Schematic diagram.
Specific implementation mode
Just as described in the background section, antenna device for full metal shell uses PIFA antennas in the prior art, by
It is very sensitive to the cohesive position of feed and ground in PIFA antennas, cause the mobile communication terminal using the antenna structure to entirety
Length and width require higher, otherwise, it is partially long or partially short to be easy to cause antenna resonant frequency.Moreover, using this day knot
The mobile communication terminal of structure benefits from being affected for account hand, it is difficult to meet being tested in head hand for mobile communication terminal antenna performance
The index of aspect.
In view of this, an embodiment of the present invention provides a kind of communication terminals, including：It is set to the communication terminal back side
Metal dorsal shield, the metal dorsal shield include the first dorsal shield and the second dorsal shield；Mainboard in the communication terminal is set；It is set to
Antenna structure in the communication terminal, the antenna structure include：Driving source on the mainboard is set, and with it is described
The antenna cabling of driving source electrical connection；Wherein, in the plane for being parallel to the metal dorsal shield and perpendicular to the metal dorsal shield
Plane in, between the antenna cabling and first dorsal shield have gap.
In the communication terminal that the embodiment of the present invention is provided, there is seam between the antenna cabling and first dorsal shield
Gap, so that the communication terminal that the embodiment of the present invention is provided can be using the solid shape of the antenna cabling as radiation
Body, by changing the width in gap between the antenna cabling and first dorsal shield, to adjust antenna in the communication terminal
Resonant frequency, simple in structure, requirement to the communication terminal entire length and width reduces, and avoids easily that antenna occur humorous
Vibration frequency length or partially short problem partially.Moreover, the communication terminal that the embodiment of the present invention is provided can also reduce the communication terminal
Influence of the account hand to it is used during use, to meet the index in terms of head hand test of communication terminal antenna performance.
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 describes, 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.
Many details are elaborated in the following description to facilitate a thorough understanding of the present invention, still the present invention can be with
Implemented different from other manner described here using other, those skilled in the art can be without prejudice to intension of the present invention
In the case of do similar popularization, therefore the present invention is not limited by following public specific embodiment.
As depicted in figs. 1 and 2, an embodiment of the present invention provides a kind of communication terminal, the communication terminal includes：It is set to
The metal dorsal shield at the communication terminal back side, the metal dorsal shield include the first dorsal shield 10 and the second dorsal shield 20；It is arranged described
Mainboard in communication terminal；The antenna structure being set in the communication terminal, the antenna structure include：It is arranged in the master
Driving source 30 on plate, and the antenna cabling 40 that is electrically connected with the driving source 30；Wherein, it is being parallel to the metal dorsal shield
Institute planar and perpendicular to metal dorsal shield institute planar, has between the antenna cabling 40 and first dorsal shield 10
There is gap.
Specifically, in embodiments of the present invention, the antenna cabling 40 is carried on the back with first dorsal shield 10 away from described second
There is 20 one end of shell the first gap b along first direction, the antenna cabling 40 to have edge apart from 10 side of the first dorsal shield
Second gap a of second direction, the antenna cabling 40 have the third along third direction apart from 10 bottom surface of the first dorsal shield
Gap c.Wherein, the first direction, the second direction and the third direction are vertical two-by-two, and the first direction and
The plane that two directions are constituted is parallel to the plane where the metal dorsal shield；Plane where the third direction is perpendicular to described
Plane where metal dorsal shield.
In embodiments of the present invention, there is the 4th gap d between first dorsal shield 10 and second dorsal shield 20.At this
In one embodiment of embodiment, it is filled up completely megohmite insulant in the 4th gap d, in another embodiment of the present embodiment
In, the 4th gap d inside points area filling megohmite insulants fill conductive materials in subregion, the present invention to this not
It limits, as long as ensureing to be filled with megohmite insulant in at least partly region of the 4th gap d.It should be noted that
In embodiments of the present invention, second dorsal shield 20 can be an entire dorsal shield, or the back of the body being made of multiple sub- dorsal shields
Shell, the present invention do not limit this, specifically depend on the circumstances.
It should also be noted that, in embodiments of the present invention, first dorsal shield 10, the antenna cabling 40 and described
As antenna radiator, second dorsal shield 20 is made with the mainboard in gap between antenna cabling 40 and first dorsal shield 10
For ground.Wherein, the area of second dorsal shield 20 is more than the area of first dorsal shield 10, in the present embodiment, due to utilizing
Gap between first dorsal shield 10, antenna cabling 40 and antenna cabling 40 and the first dorsal shield 10 is as antenna major radiator
And there is the ground of larger area to be connected at the slot edge between the antenna cabling 40 and the first dorsal shield 10, compared to the prior art
It is middle using entire metal dorsal shield as antenna radiator, substantially reduce the antenna radiator region Chong Die with mainboard sensing element
And systematically shield effectiveness is increased, it is carried by the probability of external interference to reduce antenna performance in the communication terminal
The high anti-interference ability of the communication terminal, and then improve the sensitivity of the communication terminal.
When specific works, the driving source 30 on the mainboard generates aerial signal, is transferred to the antenna cabling 40, described
The aerial signal is transferred to first dorsal shield by antenna cabling 40 through the first gap b by way of energy coupling
10, then second dorsal shield 20 and mainboard are transferred to by way of energy coupling through the 4th gap d, form a closure
Circuit.Meanwhile the aerial signal is transferred to through the second gap a by way of energy coupling by the antenna cabling 40
First dorsal shield 10, then second dorsal shield 20 and mainboard are transferred to by way of energy coupling through the 4th gap d,
Form a closed circuit；And the aerial signal is transferred to described by the mode that energy coupling is crossed through the third gap c
One dorsal shield 10 is finally also transferred to second dorsal shield 20 and mainboard, shape through the 4th gap d by way of energy coupling
At a closed circuit.
It can be seen that in embodiments of the present invention, the antenna structure is to be transmitted aerial signal by the way of coupling
Onto first dorsal shield 10, re-radiation is gone out, compared to the prior art in antenna cabling 40 directly presented with antenna radiator
The mode entered reduces the risk in structure design and assembling process, further improves the antenna performance of the communication terminal.
It should be noted that according to the frequency of the aerial signal and the first gap b, the second gap a and
The third gap c's is of different size, through what is coupled at the first gap b, the second gap a and the third gap c
Energy is not necessarily identical, specifically depends on the circumstances.Moreover, the different-energy distribution in the communication terminal at different gaps, institute
The resonant frequency for stating communication terminal is different.It can be seen that the communication terminal that the embodiment of the present invention is provided can be by changing institute
The width for stating the first gap b, the second gap a, the third gap c, to adjust the resonant frequency of the communication terminal, phase
It compared with antenna assembly in the prior art, is not only simple in structure, and flexible adjustment, improves the compatibility of ID.
Except except, communication terminal that the embodiment of the present invention is provided can also be by changing the ruler of the antenna cabling 40
Very little and shape adjusts the resonant frequency of the communication terminal, and the present invention does not limit this, specifically depends on the circumstances.
Based on any of the above embodiments, in one embodiment of the invention, can be at the first gap b
Air can also fill megohmite insulant, similarly, at the second gap a or air or filling megohmite insulant, described the
Can also be air or filling megohmite insulant at three gap c, the present invention does not limit this, as long as ensureing the antenna cabling
40 are not in direct contact with first dorsal shield 10 and second dorsal shield 20.
Based on any of the above embodiments, in one embodiment of the invention, the width model of the first gap b
Preferably 0.4mm-2mm is enclosed, the width range of the second gap a is preferably also 0.4mm-2mm, and the present invention does not limit this
It is fixed, specifically depend on the circumstances.It should be noted that the gap width between the antenna cabling 40 and first dorsal shield 10 is got over
It is small, it is more through the antenna energy on the slot-coupled to first dorsal shield 10.
It should be noted that in any of the above-described embodiment, first dorsal shield 10 is with second dorsal shield 20 certain
Characteristic area is that structure is connected and conducts.In a preferred embodiment of the invention, first dorsal shield 10 with it is described
Second dorsal shield 20 is electrically connected by conductor structure.Preferably, the conductor structure is located at the metal dorsal shield towards the communication
Terminal display screen side, and the conductor structure subregion is electrically connected with first dorsal shield 10, subregion and described the
Two dorsal shields 20 are electrically connected.
It should also be noted that, the size of the conductor structure, position are different, the length of the 4th gap d is just not yet
Together, the length of the 4th gap d is different, and the length of antenna loop is also just different in the communication terminal, so that described
The resonant frequency of communication terminal is different.Therefore, the present invention does not limit the size of the conductor structure and position etc., specifically
It depends on the circumstances.
Since the electrical part of following frame region setting in general communication terminal is less, therefore on the basis of any of the above-described embodiment
On, in a preferred embodiment of the invention, first dorsal shield 10 is located at the corresponding area of the communication terminal bottom frame
Domain, to weaken influence of other electrical parts to antenna performance in the communication terminal.But the present invention does not limit this, specifically
It depends on the circumstances.
Based on any of the above embodiments, in one embodiment of the invention, the antenna cabling 40 passes through solid
Determine part 50 to be fixedly connected with first dorsal shield 10, mutually insulated between the fixing piece 50 and the antenna cabling 40.It needs
Illustrate, in embodiments of the present invention, the antenna cabling 40 and surrounding any conductor structure, as long as existing between it
Gap or megohmite insulant (mutually insulated between the i.e. described antenna cabling 40 and the conductor structure), can be by the gap by day
In signal energy to the first dorsal shield 10 in line cabling 40, the present invention does not limit this.
The overlayable antenna frequencies model of communication terminal that this embodiment of the present invention is provided is shown as shown in 3 figures, in Fig. 3
Enclose curve graph.As seen from Figure 3, the communication terminal that the embodiment of the present invention is provided perfect can cover 1.5G-2.8GHz's
Frequency range so that the communication terminal that the embodiment of the present invention is provided may be simultaneously operated in Mid Frequency and high band, these frequencies
Section can meet LTE MB (intermediate frequency) and the performance requirement of HB (high frequency) frequency range.
As described in Figure 4, communication terminal the returning under certain operating mode that the embodiment of the present invention is provided is shown in Fig. 4
Schematic diagram is lost in wave, which can support intermediate frequency 1, high frequency 1, high frequency 2 and high frequency 3 simultaneously.Figure 4, it is seen that
When in use, no matter it is in high band, low-frequency range or Mid Frequency, return loss for the communication terminal that the embodiment of the present invention is provided
Value can will be reduced to -5dB hereinafter, -20dB or less or -25dB even can be reduced in high frequency 2 hereinafter, antenna performance
It is higher.
As shown in figure 5, when Fig. 5 shows that the communication terminal that the embodiment of the present invention is provided is operated in Mid Frequency, surface
Current distribution schematic diagram.From figure 5 it can be seen that when the communication terminal that the embodiment of the present invention is provided is operated in intermediate frequency end,
Its surface current is mainly distributed at the 4th gap d between the first dorsal shield 10 and second dorsal shield 20, the antenna cabling
Current distribution on 40 is less, so that user is using the communication terminal when being conversed, user's head and antenna sensitizing range
The distance between larger, influence of the number of people to aerial signal when reducing Mid Frequency call well so that the communication terminal exists
The number of people is relatively small to the loss of signal in communication process.
As shown in fig. 6, when the communication terminal that Fig. 6 embodiment of the present invention is provided is operated in high band, the electric current on surface
Distribution schematic diagram.From fig. 6 it can be seen that when the communication terminal that the embodiment of the present invention is provided is operated in high band, electric current
It is mainly distributed in antenna cabling 40 (this band segment is mainly LTE frequency ranges).No matter it can be seen that the communication terminal is in
Transverse screen or vertical screen state, user when using the communication terminal, all hold less than antenna sensitizing range, is influenced on antenna performance by hand
It is smaller, the online experience of user is improved, can be very good meet the needs of future communications terminal-pair antenna performance continuous improvement.
In conclusion the communication terminal that the embodiment of the present invention is provided, including：It is set to the gold at the communication terminal back side
Belong to dorsal shield, the metal dorsal shield includes the first dorsal shield 10 and the second dorsal shield 20；Mainboard in the communication terminal is set；Setting
Antenna structure in the communication terminal, the antenna structure include：The driving source 30, Yi Jiyu being arranged on the mainboard
The antenna cabling 40 that the driving source 30 is electrically connected；Wherein, in the plane for being parallel to the metal dorsal shield and perpendicular to described
In the plane of metal dorsal shield, there is gap, so that the present invention is real between the antenna cabling 40 and first dorsal shield 10
The change day can be passed through using the solid shape of the antenna cabling 40 as radiator by applying the communication terminal that example is provided
The width in gap between line cabling 40 and first dorsal shield 10, to adjust the resonant frequency of antenna in the communication terminal, knot
Structure is simple, and requirement to the communication terminal entire length and width reduces, avoid easily occur antenna resonant frequency it is partially long or
Partially short problem.
Moreover, the communication terminal that the embodiment of the present invention is provided can be used, second dorsal shield 20 is made and mainboard is as described logical
Believe the ground of antenna in terminal, wherein second dorsal shield 20 covers the 2/3 of the communication terminal back side, even more, to big
The big area for increasing ground in antenna, and antenna sensitizing range is not located at the position on metal ground, improves the communication eventually
Hold the anti-interference ability of aerial signal.
In addition, the communication terminal that the embodiment of the present invention is provided uses account during can also reducing the communication terminal use
Influence of the hand to it, to meet the index in terms of head hand test of communication terminal antenna performance.
Various pieces are described by the way of progressive in this specification, and what each some importance illustrated is and other parts
Difference, just to refer each other for identical similar portion between various pieces.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to embodiment illustrated herein, and is to fit to consistent with the principles and novel features disclosed in this article
Widest range.
Claims (9)
1. a kind of communication terminal, which is characterized in that including：
It is set to the metal dorsal shield at the communication terminal back side, the metal dorsal shield includes the first dorsal shield and the second dorsal shield；
Mainboard in the communication terminal is set；
The antenna structure being set in the communication terminal, the antenna structure include：Driving source on the mainboard is set,
And the antenna cabling being electrically connected with the driving source；
Wherein, in the plane for being parallel to the metal dorsal shield and in the plane of the metal dorsal shield, the antenna is walked
There is gap between line and first dorsal shield；
The antenna cabling has away from second dorsal shield one end along the first gap of first direction, institute with first dorsal shield
State antenna cabling has the second gap in a second direction apart from first dorsal shield side, and the antenna cabling is apart from described the
One dorsal shield bottom surface has along the third gap of third direction, the first direction, the second direction and the third direction two
Two is vertical, and the plane that constitutes of the first direction and second direction is parallel to the plane where the metal dorsal shield, and described the
Plane where three directions is perpendicular to the plane where the metal dorsal shield.
2. communication terminal according to claim 1, which is characterized in that filled with megohmite insulant in first gap, and/
Or it is filled in megohmite insulant and/or the third gap in second gap and is filled with megohmite insulant.
3. communication terminal according to claim 1, which is characterized in that the width range in first gap is 0.4mm-
2mm。
4. communication terminal according to claim 1, which is characterized in that the width range in second gap is 0.4mm-
2mm。
5. communication terminal according to claim 1, which is characterized in that have between first dorsal shield and second dorsal shield
There is the 4th gap, megohmite insulant is filled in at least partly region of the 4th gap.
6. communication terminal according to claim 5, which is characterized in that first dorsal shield is with second dorsal shield by leading
Body structure is electrically connected.
7. communication terminal according to claim 6, which is characterized in that the conductor structure is located at the metal dorsal shield direction
Communication terminal displays screen side, and the conductor structure subregion is electrically connected with first dorsal shield, subregion with
The second dorsal shield electrical connection.
8. communication terminal according to claim 1, which is characterized in that first dorsal shield is located at the communication terminal bottom
The corresponding region of frame.
9. communication terminal according to claim 1, which is characterized in that the antenna cabling passes through fixing piece and described first
Dorsal shield is fixedly connected, and mutually insulated between the fixing piece and the antenna cabling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510492579.2A CN105119037B (en) | 2015-08-12 | 2015-08-12 | A kind of communication terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510492579.2A CN105119037B (en) | 2015-08-12 | 2015-08-12 | A kind of communication terminal |
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| CN105119037A CN105119037A (en) | 2015-12-02 |
| CN105119037B true CN105119037B (en) | 2018-11-06 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107517466B (en) * | 2016-06-17 | 2022-03-01 | 中兴通讯股份有限公司 | Antenna adjusting method, adjusting device, controller and terminal |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101075698A (en) * | 2006-05-16 | 2007-11-21 | Lg电子株式会社 | Antenna structure and method of manufacturing antenna |
| CN104425880A (en) * | 2013-08-19 | 2015-03-18 | 宏碁股份有限公司 | Mobile device |
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2015
- 2015-08-12 CN CN201510492579.2A patent/CN105119037B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101075698A (en) * | 2006-05-16 | 2007-11-21 | Lg电子株式会社 | Antenna structure and method of manufacturing antenna |
| CN104425880A (en) * | 2013-08-19 | 2015-03-18 | 宏碁股份有限公司 | Mobile device |
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| CN105119037A (en) | 2015-12-02 |
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