CN208433514U - A kind of tunable antenna for mobile phone based on metal back cover and metal edge frame - Google Patents
A kind of tunable antenna for mobile phone based on metal back cover and metal edge frame Download PDFInfo
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- CN208433514U CN208433514U CN201821274678.9U CN201821274678U CN208433514U CN 208433514 U CN208433514 U CN 208433514U CN 201821274678 U CN201821274678 U CN 201821274678U CN 208433514 U CN208433514 U CN 208433514U
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- edge frame
- metal
- back cover
- metal edge
- tuning
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Abstract
The utility model discloses a kind of tunable antenna for mobile phone based on metal back cover and metal edge frame, the metal edge frame is set at the top edge of metal back cover or at bottom margin, dielectric is equipped between the metal back cover and metal edge frame, pcb board is equipped on the inside of the metal back cover, the dielectric extends between the metal back cover and pcb board, it is formed with current feed department on the inside of the metal edge frame and goes back to ground portion, the current feed department and time ground portion are connected to the pcb board across dielectric respectively, the metal edge frame is located at current feed department and the part of time ground portion two sides is formed with brachyplast section and long minor matters, the pcb board is equipped with tuning circuit, the tuning circuit includes tuning block, the ground of one end connecting PCB board of the tuning block, the other end of the tuning block is connected to metal edge frame.The utility model designs antenna using the metal edge frame in metal back cover, can cover LTE full frequency band, is not necessarily to other cabling, and then save space and cost.
Description
Technical field
The utility model relates to antenna for mobile phone more particularly to a kind of tunable mobile phones based on metal back cover and metal edge frame
Antenna.
Background technique
With the rapid development of wireless communication technique, arrive from the LTE epoch, metal class mobile phone because of its exclusive sense of touch increasingly
Major Cell Phone Design company is led to release one after another with metallic mobile phone in particular with the listing of iphone7 by consumers
Antenna solutions, wherein metal back cover become metal material Cell Phone Design one of main way, it is this be related to lacking be used for
FPC the or LDS cabling for covering LTE low frequency, reduces the bandwidth potential of 700-960MHz, causes cell phone network standard that cannot support
LTE full frequency band, so that the performance of antenna is increasingly difficult to realize, this undoubtedly greatly increases difficulty to the design of antenna.Therefore, herein
Under the conditions of, a covering LTE full frequency band antenna for mobile phone how is designed, prior art urgent problem to be solved is become.
Utility model content
The technical problem to be solved by the present invention is in view of the deficiencies of the prior art, provide a kind of using after metal
The metal edge frame design antenna covered, can cover LTE full frequency band, be not necessarily to other cabling, so save space and cost based on
The tunable antenna for mobile phone of metal back cover and metal edge frame.
In order to solve the above technical problems, the utility model adopts the following technical solution.
A kind of tunable antenna for mobile phone based on metal back cover and metal edge frame, the metal edge frame are set to metal back cover
At top edge or at bottom margin, dielectric, the metal back cover are equipped between the metal back cover and metal edge frame
Inside is equipped with pcb board, and the dielectric extends between the metal back cover and pcb board, the inside shape of the metal edge frame
At having current feed department and going back to ground portion, the current feed department and time ground portion are connected to the pcb board across dielectric respectively, the gold
Category frame is located at current feed department and the part of time ground portion two sides is formed with brachyplast section and long minor matters, and the pcb board, which is equipped with, tunes electricity
Road, the tuning circuit include tuning block, the ground of one end connecting PCB board of the tuning block, the tuning block
The other end is connected to metal edge frame.
Preferably, the dielectric is the dielectric of plastic cement, resin, fiber or glass material.
Preferably, tuning interconnecting piece is formed on the metal edge frame, the tuning interconnecting piece prolongs across dielectric
The pcb board is extended to, and the other end of the tuning block is connected to tuning interconnecting piece.
Preferably, it is formed on the metal edge frame there are two interconnecting piece is tuned, two tuning interconnecting pieces are located at brachyplast
On section and long minor matters.
Preferably, the tuning block includes inductance or capacitor.
In tunable antenna for mobile phone disclosed by the utility model based on metal back cover and metal edge frame, current signal is from feedback
Electric portion is fed out, into metal edge frame after flow to long and short two minor matters respectively, current signal after brachyplast is saved, then pass through back ground portion biography
Pcb board is transported to, the resonance of generation can cover 2500~2690MHz；Current signal passes after long minor matters, then through tuning block
Pcb board is transported to, the resonance of generation can cover 880~960MHz frequency range.Compared to existing technologies, the utility model utilizes gold
The metal edge frame design antenna covered after category, is not necessarily to other cabling, and then save space and cost, meanwhile, the utility model can
LTE full frequency band is covered, and then meets application requirement, in addition, the utility model structure is simple, is easily achieved, is suitably applied gold
In the mobile phone for belonging to shell.
Detailed description of the invention
Fig. 1 is the Facad structure figure of the tunable antenna for mobile phone of the utility model.
Fig. 2 is the backside structure figure of the tunable antenna for mobile phone of the utility model.
Fig. 3 is the schematic diagram of tuning circuit.
Fig. 4 is the S11 curve graph one of the tunable antenna for mobile phone of the utility model.
Fig. 5 is the S11 curve graph two of the tunable antenna for mobile phone of the utility model.
Fig. 6 is the efficiency curve diagram of the tunable antenna for mobile phone of the utility model.
Specific embodiment
The utility model is described in more detail with reference to the accompanying drawings and examples.
The utility model discloses a kind of tunable antenna for mobile phone based on metal back cover and metal edge frame, in conjunction with Fig. 1 and
Shown in Fig. 3, the metal edge frame 2 is set at the top edge of metal back cover 1 or at bottom margin, 1 He of metal back cover
It is equipped with dielectric 3 between metal edge frame 2, is equipped with pcb board 4 on the inside of the metal back cover 1, the dielectric 3 extends to institute
It states between metal back cover 1 and pcb board 4, the inside of the metal edge frame 2 is formed with current feed department 5 and returns ground portion 6, the current feed department 5
It is connected to the pcb board 4 across dielectric 3 respectively with ground portion 6 is gone back to, the metal edge frame 2 is located at current feed department 5 and goes back to ground portion
The part of 6 two sides is formed with brachyplast section 20 and long minor matters 21, and the pcb board 4 is equipped with tuning circuit, and the tuning circuit includes
There is tuning block SW, the other end on the ground of one end connecting PCB board 4 of the tuning block SW, the tuning block SW is connected to
Metal edge frame 2.
In above-mentioned antenna, current signal is fed out from current feed department 5, into metal edge frame 2 after flow to long and short two minor matters respectively, electricity
Signal is flowed after brachyplast section 20, then passes through go back to ground portion 6 and is transmitted to pcb board 4, and the resonance of generation can cover 2500~2690MHz；
Current signal is transmitted to pcb board 4 after long minor matters 21, then through tuning block SW, and the resonance of generation can cover 880~
960MHz frequency range.Compared to existing technologies, the utility model designs antenna using the metal edge frame in metal back cover, without another
Outer cabling, and then space and cost are saved, meanwhile, the utility model can cover LTE full frequency band, and then meet application requirement, this
Outside, the utility model structure is simple, is easily achieved, and is suitably applied in the mobile phone of metal shell.
The dielectric 3 is the dielectric of plastic cement, resin, fiber or glass material as a preferred method,.
For the ease of connecting tuning block SW, in conjunction with shown in Fig. 1 to Fig. 3, tuning connection is formed on the metal edge frame 2
Portion 7, the tuning interconnecting piece 7 extend to the pcb board 4 across dielectric 3, and the other end of the tuning block SW connects
It is connected to tuning interconnecting piece 7.
Further, it is formed on the metal edge frame 2 there are two interconnecting piece 7 is tuned, two tuning interconnecting pieces 7 are located at
On brachyplast section 20 and long minor matters 21.
The tuning block SW includes inductance or capacitor as a preferred method,.In practical application, the tuning
Component SW may include selection switch, and by multiple capacitors perhaps inductance in parallel using selection switch by capacitor or inductance connection
Between the long minor matters 21 and pcb board 4 of metal edge frame 2, by switching, which can cover (700~960) MHz frequency range.This
Outside, the tuning interconnecting piece 7 that tuning block SW can also be connected on brachyplast section 20, by the switching to capacitor or inductance,
Covering (1710~2400) MHz frequency range can be achieved.
Tunable antenna for mobile phone disclosed by the utility model based on metal back cover and metal edge frame, by emulation testing,
In conjunction with shown in Fig. 4 and Fig. 5, it is resident can to realize that low frequency switches high frequency by tuning block.Fig. 6 is please referred to, is obtained by test, this
Utility model antenna for mobile phone meets efficiency requirements.
Compared to existing technologies, the utility model designs antenna by metal edge frame, no setting is required cabling, effectively saves
Space and cost are saved；Meanwhile the utility model uses two groups of tunable elements, one group of realization LTE low frequency 700-960MHz can
The cell phone network standard for supporting multiple countries such as China, beauty, Europe, print reduces terminal client and sets because country and standard are different
Count the research and development cost of a plurality of antennas；Again, the utility model passes through gold by any combination of tunable element, LTE medium-high frequency
Belong to frame and do parasitism, covered with tunable circuit realization 1710~2690MHz z and remains fine impedance operator；This
Outside, the utility model structure is simple, is easily achieved, is more preferable for experiencing, and helps to realize mobile phones integrated design.
The above is the utility model preferred embodiment, is not intended to limit the utility model, all practical at this
Modification, equivalent replacement or the improvement etc. made in novel technical scope, should be included in the model that the utility model is protected
In enclosing.
Claims (5)
1. a kind of tunable antenna for mobile phone based on metal back cover and metal edge frame, which is characterized in that the metal edge frame (2) sets
At the top edge of metal back cover (1) or at bottom margin, it is equipped between the metal back cover (1) and metal edge frame (2)
Dielectric (3), metal back cover (1) inside are equipped with pcb board (4), and the dielectric (3) extends to the metal back cover
(1) between pcb board (4), it is formed with current feed department (5) on the inside of the metal edge frame (2) and goes back to ground portion (6), the current feed department
(5) and time ground portion (6) are connected to the pcb board (4) across dielectric (3) respectively, and the metal edge frame (2) is located at feed
Portion (5) and the part for going back to ground portion (6) two sides are formed with brachyplast section (20) and long minor matters (21), and the pcb board (4) is equipped with tuning
Circuit, the tuning circuit include tuning block (SW), the ground of one end connecting PCB board (4) of the tuning block (SW), institute
The other end for stating tuning block (SW) is connected to metal edge frame (2).
2. the tunable antenna for mobile phone based on metal back cover and metal edge frame as described in claim 1, which is characterized in that described
Dielectric (3) is the dielectric of plastic cement, resin, fiber or glass material.
3. the tunable antenna for mobile phone based on metal back cover and metal edge frame as described in claim 1, which is characterized in that described
Tuning interconnecting piece (7) is formed on metal edge frame (2), the tuning interconnecting piece (7) extends to described across dielectric (3)
Pcb board (4), and the other end of the tuning block (SW) is connected to tuning interconnecting piece (7).
4. the tunable antenna for mobile phone based on metal back cover and metal edge frame as claimed in claim 3, which is characterized in that described
It is formed on metal edge frame (2) there are two interconnecting piece (7) are tuned, two tuning interconnecting pieces (7) are located at brachyplast section (20) and length
In minor matters (21).
5. the tunable antenna for mobile phone based on metal back cover and metal edge frame as described in claim 1, which is characterized in that described
Tuning block (SW) includes inductance or capacitor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821274678.9U CN208433514U (en) | 2018-08-08 | 2018-08-08 | A kind of tunable antenna for mobile phone based on metal back cover and metal edge frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821274678.9U CN208433514U (en) | 2018-08-08 | 2018-08-08 | A kind of tunable antenna for mobile phone based on metal back cover and metal edge frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208433514U true CN208433514U (en) | 2019-01-25 |
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ID=65097991
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821274678.9U Active CN208433514U (en) | 2018-08-08 | 2018-08-08 | A kind of tunable antenna for mobile phone based on metal back cover and metal edge frame |
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| CN (1) | CN208433514U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111816986A (en) * | 2020-06-10 | 2020-10-23 | 昆山睿翔讯通通信技术有限公司 | Terminal LDS antenna system and mobile terminal |
-
2018
- 2018-08-08 CN CN201821274678.9U patent/CN208433514U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111816986A (en) * | 2020-06-10 | 2020-10-23 | 昆山睿翔讯通通信技术有限公司 | Terminal LDS antenna system and mobile terminal |
| CN111816986B (en) * | 2020-06-10 | 2022-02-22 | 昆山睿翔讯通通信技术有限公司 | Terminal LDS antenna system and mobile terminal |
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