CN109742510A - Communication terminal and its antenna - Google Patents
Communication terminal and its antenna Download PDFInfo
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- CN109742510A CN109742510A CN201811415251.0A CN201811415251A CN109742510A CN 109742510 A CN109742510 A CN 109742510A CN 201811415251 A CN201811415251 A CN 201811415251A CN 109742510 A CN109742510 A CN 109742510A
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Abstract
The invention discloses communication terminal and its antennas, the additional cabling area of its working frequency range scope control for currently being needed using baseband chip according to antenna is connected to the switch for being provided with the cabling area of feed point, to realize the communication of different frequency range respectively, it avoids to lead to the problem of and be interfered with each other between double antenna in the prior art, save space needed for additional antenna is set, realize reduces the space that antenna occupies communication terminal under the premise of not influencing the performance of antenna because of interfering with each other.And, when antenna is worked, all effective antenna cablings are used to realize the signal transmitting and receiving of same band limits, there can be performance more higher than conventional aerial, covered bandwidth is wider, radiation efficiency is higher, is conducive to antenna applications and is still able to maintain enough performances in the more adverse circumstances of metal parts.
Description
Technical field
The present invention relates to communication technique fields, more particularly, to communication terminal and its antenna.
Background technique
In the existing design of the antenna of communication terminal, antenna usually needs to can be carried out low frequency band, intermediate-frequency band
And the communication of high-frequency band, need to cover wider band bandwidth, antenna needs to occupy more communication terminal as a result,
Inner space.Especially in some schemes by setting double antenna to realize the communication of different frequency range respectively, for example, it is logical
An Antenna Operation is crossed in low frequency band and by another Antenna Operation in intermediate-frequency band, if in order to reduce two when design antenna
The distance between interfering with each other and increasing two antennas between a antenna can generate above-mentioned antenna and occupy communication terminal mistake
The problem of more spaces, and if antenna occupies the space of communication terminal and the distance between reduces two antennas in order to reduce,
It then will lead to and interfere with each other increase between two antennas, to influence two respective performances of antenna.
Summary of the invention
In view of this, the purpose of the present invention is to provide communication terminal and its antenna, to solve the above problems.
In order to achieve the above purpose, present invention employs the following technical solutions:
The present invention provides a kind of antenna of communication terminal, the communication terminal includes antenna holder, described
Antenna is arranged on the antenna holder, and the antenna holder includes top surface and adjacent first side, and the top surface includes phase
Pair first end and second end.The antenna includes primary antenna unit, and the primary antenna unit includes the first cabling area and second
Cabling area.First cabling area is located on the top surface, and feed point, first cabling area are provided in first cabling area
Extended towards the direction of the second end, for generating intermediate frequency resonance.Second cabling area is located on the top surface simultaneously
Extend to the first side.Wherein, first cabling area and second cabling area are low for generating by switch connection
Frequency resonance, is connected with baseband chip on the switch, and the baseband chip is for controlling described switch on-off with described in switching
The working frequency range of primary antenna unit.
Preferably, the feed point is located at the top surface and at the first end, the head end in first cabling area
At the feed point, the first end in first cabling area is located at the middle section of the top surface, first cabling area
First extend towards the first side since its head end, be re-directed towards the second end and extend at first end, forms first
Branch's cabling.
Preferably, the head end in second cabling area is located on the top surface and adjacent to the first of first cabling area
End, the end in second cabling area are located in the first side and at the second end, first cabling
The head end in the first end in area and second cabling area is connected by the switch.
Preferably, the first cabling Qu Ziqi head end starts to extend in the first side, then at first side
Extended on face towards the second end, forms second branch's cabling.
Preferably, ground connection cabling portion, institute are connected on the side far from the first side of first branch cabling
State ground connection cabling portion along the second end towards the first end direction extend, it is described ground connection cabling portion end be provided with
The adjacent grounding point of the feed point.
Preferably, be formed with the first fluting between the ground connection cabling portion and first branch cabling, the feed point and
The grounding point is located at the two sides of first fluting, and first fluting is located at first fluting two sides for making
It intercouples between the ground connection cabling portion and first branch cabling.
Preferably, the width of first fluting is 0.8mm~1.2mm.
Preferably, the antenna holder further includes the of first end that is adjacent with the first side and being located at the top surface
Two side faces, the antenna further include parasitic antenna element, the head end of the parasitic antenna element be located on the top surface and with institute
State that feed point is adjacent, the end of the parasitic antenna element is located in the second side, and the parasitic antenna element is from its head end
Extend initially towards the first side, then extend to the end in the second side along the first side.
Preferably, parasitic feed point is provided in the parasitic antenna element, the parasitism feed point is located at the passive antenna
At the head end of unit.
The present invention also provides a kind of communication terminals, including antenna holder and are arranged on the antenna holder
Antenna as described above.
Communication terminal and its antenna provided by the invention, the work frequency currently needed using baseband chip according to antenna
Segment limit controls the second cabling area and is connected to the switch for being provided with the first cabling area of feed point, switches on-off and changes antenna
Cabling avoids setting double antenna in prior art and realizes and cover to realize the band limits for changing antenna work at present
The interference problem between antenna that lid different frequency range causes, saves space needed for additional antenna is arranged.Moreover, day line selection
It selects when working in low frequency band or intermediate-frequency band, all effective antenna cablings are used to realize that the signal of same band limits is received
Hair, can have performance more higher than conventional aerial, covered bandwidth is wider, and radiation efficiency is higher, is conducive to antenna applications in gold
Belong in the more adverse circumstances of component and is still able to maintain enough performances.
Detailed description of the invention
Fig. 1 and Fig. 2 is the schematic diagram that antenna provided in an embodiment of the present invention is set on antenna holder；
Fig. 3 is the structural schematic diagram of the antenna；
Fig. 4 is the structural schematic diagram of the primary antenna unit of the antenna；
Fig. 5 is the front view of the antenna；
Fig. 6 is the top view of the antenna.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, with reference to the accompanying drawing to specific reality of the invention
The mode of applying is described in detail.The example of these preferred embodiments is illustrated in the accompanying drawings.Shown in attached drawing and according to
The embodiments of the present invention of attached drawing description are only exemplary, and the present invention is not limited to these embodiments.
Here, it should also be noted that, in order to avoid having obscured the present invention because of unnecessary details, in the accompanying drawings only
Show with closely related structure and/or processing step according to the solution of the present invention, and be omitted relationship it is little other are thin
Section.
Refering to fig. 1 and shown in Fig. 2, the embodiment of the invention provides a kind of antenna of communication terminal, the movement is logical
Interrogating terminal includes antenna holder 100, and the antenna is arranged on the antenna holder 100.The antenna holder 100 includes top surface
103 and adjacent first side 101, the top surface 103 include opposite first end 103a and second end 103b.The antenna packet
Primary antenna unit 1 is included, the primary antenna unit 1 includes the first cabling area 11 and the second cabling area 12,
First cabling area 11 is located on the top surface 103, and feed point 10 is provided in first cabling area 11, described
The direction of first cabling area 11 towards the second end 103b are extended, for generating intermediate frequency resonance；Second cabling area
12 are located on the top surface 103 and extend to the first side 101；
Wherein, first cabling area 11 and second cabling area 12 are by switch connection, for generating low-frequency resonant,
It is connected on the switch baseband chip (BB chip), the baseband chip is for controlling described switch on-off described in switching
The working frequency range of primary antenna unit 1.
The antenna of communication terminal provided in an embodiment of the present invention, using baseband chip control described in switch on-off,
When switch disconnects, only by the participation of the first cabling area 11 signal transmitting and receiving work of the feed point 10 access feed, and not
Second cabling area 12 connecting with feed point 10 is not involved in signal transmitting and receiving work, will not generate to first cabling area 11 dry
It disturbs, first cabling area 11 makes the Antenna Operation in intermediate-frequency band (1700Mhz~2200Mhz)；It is described when closing the switch
First cabling area 11 and second cabling area 12 connect, and the cabling in first cabling area 11 and the second cabling area 12 both participates in
Signal transmitting and receiving work, due to the length variation of effective cabling of antenna, the resonance of intermediate-frequency band is weakened, and antenna obtains wider
Low frequency bandwidth and good radiation efficiency, first cabling area 11 form low frequency frequency together with the cabling in second cabling area 12
The resonance of section (700Mhz~960Mhz), realizes the Antenna Operation in low frequency band.
The antenna realizes the communication of different frequency range respectively through the above way as a result, avoids and realizes the double of different frequency range
Interfering with each other between antenna saves space needed for additional antenna is arranged, and especially described between antenna cabling
It can be set relatively more close between first cabling area 11 and second cabling area 12, and then realize and do not influencing day
Line reduces the space that antenna occupies communication terminal under the premise of the performance of different frequency range.Moreover, day line options work
When low frequency band or intermediate-frequency band, all effective antenna cablings are used to realize the signal transmitting and receiving of same band limits, energy
With performance more higher than conventional aerial, covered bandwidth is wider, and radiation efficiency is higher, is conducive to antenna applications in metal parts
Enough performances are still able to maintain in more adverse circumstances.
In conjunction with shown in Fig. 3 and Fig. 4, specifically, the feed point 10 is located at the top surface 103 and adjacent to the first end
At 103a, the head end 11a in first cabling area 11 is located at the feed point 10, the first end in first cabling area 11
11b is located at the middle section of the top surface 103, and first cabling area 11 is since its head end 11a first towards first side
Face 101 extends, and is re-directed towards the second end 103b and extends at first end 11b, forms first branch's cabling 110.
Specifically, the head end 12a in second cabling area 12 is located on the top surface 103 and adjacent to first cabling
The end 12b of the first end 11b in area 11, second cabling area 12 are located in the first side 101 and adjacent to described
At second end 103b, end 12b is vacantly arranged, the first end 11b in first cabling area 11 and second cabling area
12 head end 12a is connected by the switch.
More specifically, the feed point 10 be located at the first end 103a of the top surface 103 and with the first side 101 away from
At for 8mm~12mm, the distance between the feed point 10 and the first side 101 are preferably 10mm, first branch
Cabling 110 is located on the top surface 103, and first branch cabling 110 is from the feed point 10 towards the first side 101
Direction extends to the edge of the top surface 103, and then the edge again along the top surface 103 is extended to towards the second end 103b
At the first end 11b of the middle section of the top surface 103, the middle section of the top surface 103 refers to along the first end
For 103a towards the region near the midpoint on the direction of second end 103b, the length of first branch cabling 110 is 28mm
~32mm, preferably 30mm.And second cabling area 12 extends in first side 101 from its head end 12a from top surface 103,
Then its end 12b, walking in the first side 101, second cabling area 12 are extended to towards the second end 103b
Line covers available space in the first side 101 as much as possible.
Further, first cabling area 11 extends in the first side 101 since its head end 11a, then at
Extended in the first side 101 towards the second end 103b, forms second branch's cabling 120.I.e. described first walks
The edge that line area 11 extends to the top surface 103 since its head end 11a is formed with bifurcation point, the cabling in the first cabling area 11
It is divided into first branch cabling 110 and second branch's cabling 120 from the bifurcation point beginning.Second branch cabling 120
End 120b is located in the first side 101 and is vacantly arranged, as shown in figure 5, second branch cabling 120 is in institute
Stating the track lengths in first side 101 is 18mm~22mm, preferably 20mm.Second branch cabling 120, which plays, to be opened up
The effect of the bandwidth of wide intermediate-frequency band.
As shown in connection with fig. 6, further, on the side far from the first side 101 of first branch cabling 110
It is connected with ground connection cabling portion 130, the ground connection cabling portion 130 is along the second end 103b towards the direction of the first end 103a
Extend, the end in the ground connection cabling portion 130 is provided with the grounding point 30 adjacent with the feed point 10.The ground connection cabling portion
130 direction of routing is parallel to first branch cabling 110, the track lengths in the ground connection cabling portion 130 be 13mm~
17mm, preferably 15mm.
Further, the first fluting is formed between the ground connection cabling portion 130 and first branch cabling 110
131, the feed point 10 and the grounding point 30 are located at the two sides of first fluting 131, and first fluting 131 is used for
Make to be located at phase mutual coupling between the ground connection cabling portion 130 and first branch cabling 110 of first fluting, 131 two sides
It closes, to optimize the impedance of antenna, makes characteristic impedance of antenna closer to 50ohm, enhance the radiation efficiency of antenna.
Specifically, the width of first fluting 131 is 0.8mm~1.2mm, and edge is parallel to the first end 103a direction
On the direction of the second end 103b, the length of first fluting 131 is 8mm~12mm, preferably 10mm.
Specifically, first fluting 131 is since one end between the feed point 10 and the grounding point 30, first
Extend towards the direction of the first side 101, the direction for being re-directed towards the second end 103b extends to the ground connection cabling portion
Junction between 130 and first branch cabling 110.
Further, the antenna holder 100 further includes adjacent with the first side 103 and is located at the top surface 103
First end 103a second side 102.The antenna further includes parasitic antenna element 2, the head end of the parasitic antenna element 2
2a is located on the top surface 103 and adjacent with the feed point 10, and the end 2b of the parasitic antenna element 2 is located at described second side
On face 102, the end 2b of the parasitic antenna element 2 is vacantly arranged, the parasitic antenna element 2 from its head end 2a initially towards
The first side 101 extends, then extends at the end 2b in the second side 102 along the first side 101.It is described
Parasitic antenna element 2 is intercoupled by the first cabling area 11 with the primary antenna unit 1, realizes high-frequency band (2500Mhz
~2700Mhz) resonance, so that the antenna is operable with high-frequency band.
Specifically, parasitic feed point 20 is provided in the parasitic antenna element 2, the parasitism feed point 20 is located at the parasitism
At the head end 2a of antenna element 2.The parasitic antenna element 2 is connect by the parasitic feed point 20 with feed.
The present invention also provides a kind of communication terminal, the communication terminal includes antenna holder 100 and sets
Set the antenna as described above on the antenna holder 100.
In conclusion communication terminal provided in an embodiment of the present invention and its antenna, using baseband chip according to antenna
The second cabling of the working frequency range scope control area 12 currently needed is connected to the switch for being provided with the first cabling area 11 of feed point 10,
The cabling for changing antenna is switched on-off, to realize the band limits for changing antenna work at present, avoids the prior art
Interference problem between the antenna that double antenna realizes that covering different frequency range causes is set in scheme, saves and additional antenna is set
Required space.Moreover, all effective antenna cablings are used to reality when day line options work in low frequency band or intermediate-frequency band
The signal transmitting and receiving of existing same band limits, can have performance more higher than conventional aerial, covered bandwidth is wider, and radiation efficiency is more
Height is conducive to antenna applications and is still able to maintain enough performances in the more adverse circumstances of metal parts.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that
There is also other identical elements in process, method, article or equipment including the element.
The above is only the specific embodiment of the application, it is noted that for the ordinary skill people of the art
For member, under the premise of not departing from the application principle, several improvements and modifications can also be made, these improvements and modifications are also answered
It is considered as the protection scope of the application.
Claims (10)
1. a kind of antenna of communication terminal, the communication terminal includes antenna holder (100), and the antenna setting exists
On the antenna holder (100), the antenna holder (100) includes top surface (103) and adjacent first side (101), described
Top surface (103) includes opposite first end (103a) and second end (103b), which is characterized in that the antenna includes primary antenna list
First (1), the primary antenna unit (1) include the first cabling area (11) and the second cabling area (12),
First cabling area (11) is located on the top surface (103), and feed point (10) are provided in first cabling area (11),
The direction of first cabling area (11) towards the second end (103b) is extended, for generating intermediate frequency resonance；Described
Two cabling areas (12) are located on the top surface (103) and extend to the first side (101)；
Wherein, first cabling area (11) and second cabling area (12) are by switch connection, for generating low-frequency resonant,
Baseband chip is connected on the switch, the baseband chip is for controlling described switch on-off to switch the primary antenna list
The working frequency range of first (1).
2. antenna according to claim 1, which is characterized in that the feed point (10) is located at the top surface (103) and neighbouring
At the first end (103a), the head end (11a) in first cabling area (11) is located at the feed point (10), and described first
The first end (11b) in cabling area (11) is located at the middle section of the top surface (103), and first cabling area (11) is first from it
It holds (11a) to start first to extend towards the first side (101), is re-directed towards the second end (103b) and extends to first end
At (11b), first branch's cabling (110) is formed.
3. antenna according to claim 2, which is characterized in that the head end (12a) in second cabling area (12) is located at institute
State the first end (11b) on top surface (103) and adjacent to first cabling area (11), the end in second cabling area (12)
End (12b) is located in the first side (101) and at the second end (103b), first cabling area (11)
The head end (12a) in first end (11b) and second cabling area (12) is connected by the switch.
4. antenna according to claim 2, which is characterized in that first cabling area (11) is since its head end (11a)
It extends on the first side (101), is prolonged on the first side (101) towards the second end (103b)
It stretches, forms second branch's cabling (120).
5. antenna according to claim 2, which is characterized in that separate described the first of first branch cabling (110)
Ground connection cabling portion (130) is connected on the side of side (101), the ground connection cabling portion (130) is along the second end (103b)
Extend towards the direction of the first end (103a), the end of ground connection cabling portion (130) is provided with and the feed point (10)
Adjacent grounding point (30).
6. antenna according to claim 5, which is characterized in that the ground connection cabling portion (130) is walked with first branch
It is formed between line (110) the first fluting (131), the feed point (10) and the grounding point (30) are located at described first and open
The two sides of slot (131), first fluting (131) are used to make to be located at the ground connection cabling of first fluting (131) two sides
It intercouples between portion (130) and first branch cabling (110).
7. antenna according to claim 6, which is characterized in that it is described first fluting (131) width be 0.8mm~
1.2mm。
8. antenna according to claim 1, which is characterized in that the antenna holder (100) further includes and first side
Face (103) is adjacent and is located at the second side (102) of the first end (103a) of the top surface (103), and the antenna further includes posting
Raw antenna element (2), the head end (2a) of the parasitic antenna element (2) be located on the top surface (103) and with the feed point
(10) adjacent, the end (2b) of the parasitic antenna element (2) is located in the second side (102), the passive antenna list
First (2) extend from its head end (2a) initially towards the first side (101), then extend to institute along the first side (101)
It states at the end (2b) on second side (102).
9. antenna according to claim 8, which is characterized in that be provided with parasitic feed point on the parasitic antenna element (2)
(20), the parasitic feed point (20) is located at the head end (2a) of the parasitic antenna element (2).
10. a kind of communication terminal, which is characterized in that including antenna holder (100) and be arranged in the antenna holder
(100) antenna as described in any one of claim 1 to 9 on.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811415251.0A CN109742510B (en) | 2018-11-26 | 2018-11-26 | Mobile communication terminal and antenna thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811415251.0A CN109742510B (en) | 2018-11-26 | 2018-11-26 | Mobile communication terminal and antenna thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109742510A true CN109742510A (en) | 2019-05-10 |
| CN109742510B CN109742510B (en) | 2021-06-18 |
Family
ID=66358719
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811415251.0A Active CN109742510B (en) | 2018-11-26 | 2018-11-26 | Mobile communication terminal and antenna thereof |
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| Country | Link |
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| CN (1) | CN109742510B (en) |
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| CN110867656A (en) * | 2019-12-05 | 2020-03-06 | 惠州Tcl移动通信有限公司 | Antenna and mobile terminal |
| CN110943289A (en) * | 2019-12-10 | 2020-03-31 | 惠州Tcl移动通信有限公司 | Antenna and mobile terminal |
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| CN109742510B (en) | 2021-06-18 |
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