CN201708248U - Antenna structure of mobile terminal and mobile terminal - Google Patents
Antenna structure of mobile terminal and mobile terminal Download PDFInfo
- Publication number
- CN201708248U CN201708248U CN201020217786XU CN201020217786U CN201708248U CN 201708248 U CN201708248 U CN 201708248U CN 201020217786X U CN201020217786X U CN 201020217786XU CN 201020217786 U CN201020217786 U CN 201020217786U CN 201708248 U CN201708248 U CN 201708248U
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Abstract
The embodiment of the utility model discloses an antenna structure of a mobile terminal. The antenna structure comprises a PCB control panel, a single-knife and multi-throw switch and an antenna, wherein the single-knife and multi-throw switch is electrically connected to the PCB control panel and used for switching multiband signals of the mobile terminal; the antenna is electrically connected with the PCB control panel through the single-knife and multi-throw switch; the antenna structure comprises a shunting feeding component used for the shunting matching of the multiband signals of the mobile terminal; and the shunting feeding component is electrically connected with the single-knife and multi-throw switch and the antenna, respectively. By virtue of the implementation of the antenna structure of the mobile terminal and the mobile terminal of the embodiment of the utility model, the shunting matching of the multiband signals can be realized, and the antenna can be arranged in a separated manner, thereby being favorable for debugging the frequency bands, saving labor cost, improving efficiency and easily realizing antenna intensification.
Description
Technical field
The utility model relates to communication field, relates in particular to a kind of antenna structure and this portable terminal of portable terminal.
Background technology
Because the user increases, the difference of technical development and each department, the mobile phones design overwhelming majority of present stage will support several modes simultaneously, a plurality of frequency ranges, as GSM (Global System for MobileCommunications, global system for mobile communications) double frequency, TD-SCDMA (TimeDivision-Synchronous Code Division Multiple Access, TD SDMA) or CDMA (Code Division Multiple Access, code division multiple access) or the like standard, therefore, when mobile phone receives, when transmitting a shared antenna, this antenna need be supported the signal of a plurality of frequency ranges.
The existing structure of multi-band signal antenna for mobile phone of supporting mainly contains following two solutions: as shown in Figure 1, schematic flow sheet for solution one, after multi-band signal comes out from chip, switching by duplexer 7, select one the tunnel to enter antenna matching network, then feed-in first antenna 8.Designed first antenna 8 of this programme is no matter be PIFA antenna or unipole antenna, and ground connection feedback point can have one or two, also can not have, but signal feed has only one, i.e. first antenna 8.At present, on the market antenna for mobile phone is most of to adopt this mode, the defective that this kind design exists to be, the height frequency range needs shared one group of matching network, and LC oscillating circuit coupling is an arrowband coupling, so be not easy to debug respectively; Have only a signal feed, the antenna of height frequency range can only layout become an integral body, causes electric current at other frequency range radiant body distribution to be arranged also, and efficient is not high.
Can support in the scheme two of multifrequency degree signal antenna structure of mobile phole in solution, as shown in Figure 2, after multi-band signal comes out from chip, switching by duplexer 7, select one the tunnel to enter antenna matching network, antenna element has 2 signal feed, first antenna 8 and second antenna 9, promptly the height frequency range is distinguished designing antenna, and multiple-frequency signal is feed-in first antenna 8 or second antenna 9 respectively.The defective that this kind design exists is, though 2 signal feed are arranged, totally one match circuit is not easy to the height frequency range and mates respectively, and the low-and high-frequency isolation between antennas is still not enough, and efficient is not high.
The utility model content
The utility model embodiment technical problem to be solved is, a kind of antenna structure and this portable terminal of portable terminal are provided, can realize the shunt coupling of multi-band signal, antenna can separate layout, be beneficial to the debugging of frequency range, save human cost, raise the efficiency the intensification of easier realization antenna.
In order to solve the problems of the technologies described above, the utility model embodiment provides a kind of antenna structure of portable terminal, comprise the PCB control board, being electrically connected on being used on the described PCB control board switches the single pole multiple throw and the antenna of described portable terminal multi-band signal, described antenna is electrically connected by described single pole multiple throw and described PCB control board, it is characterized in that, the antenna structure of described portable terminal comprises also and is used for described portable terminal multi-band signal is carried out the branch feeding assembly of coupling along separate routes that described branch feeding assembly is electrically connected with described single pole multiple throw and described antenna respectively.
Described branch feeding assembly comprises: be used for carrying out according to the frequency of the multi-band signal of described portable terminal the frequency range adaptation of frequency band transmission line, feeder line and corresponding described feeder line frequency band along separate routes, described transmission line, described feeder line and described frequency range adaptation are electrically connected successively.
Preferably, described feeder line comprises: high band feeder line and low-frequency range feeder line, and described frequency range adaptation comprises: high band adaptation and low-frequency range adaptation; Described transmission line, described high band feeder line and described high band adaptation are electrically connected successively; Described transmission line, described low-frequency range feeder line and described low-frequency range adaptation are electrically connected successively.
Preferably, described antenna comprises: high band antenna and low-frequency range antenna, and described high band antenna and described high band adaptation are electrically connected; Described low-frequency range antenna and described low-frequency range adaptation are electrically connected.
Preferably, described antenna is any antenna in PIFA antenna, unipole antenna or the IFA antenna.
Preferably, described branch feeding assembly comprises the arbitrary components and parts in splitter, duplexer or the filtering adaptation at least.
The utility model embodiment also provides a kind of portable terminal, comprises the antenna structure of above-mentioned portable terminal.
Implement antenna structure and this portable terminal of the portable terminal of the utility model embodiment, owing to be provided for described portable terminal multi-band signal is carried out the branch feeding assembly of coupling along separate routes, after the multichannel frequency range is separated, antenna also can separate layout, unnecessary cloth becomes an integral body, easier realization in baroque antenna environment like this.In addition, the back low-and high-frequency is mated respectively along separate routes, needn't go to take into account the index of low-frequency range when heightening frequency range.And by the existing frequency range criteria for classifying, high band just is two times of low-frequency range, exceeds standard if the low-frequency range second harmonic is spuious, mates alone by the technical program low frequency, adds the loss that low pass filter can not have influence on the HFS signal.Be beneficial to engineer's debugging, save human cost.After the height band antenna separated, its efficient compared so as to see who is superior and increases when antenna fuses frequently.And it is littler that effective area that antenna is total and spatial altitude can be done, and antenna is realized miniaturization easily.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below only is embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the schematic flow sheet that can support first solution of multi-band signal antenna structure of mobile phole in the prior art;
Fig. 2 is the schematic flow sheet that can support second solution of multi-band signal antenna structure of mobile phole in the prior art;
Fig. 3 is the flowage structure schematic diagram of the antenna structure of the utility model embodiment portable terminal;
Fig. 4 is the structural representation of the antenna structure of the utility model embodiment portable terminal.
Embodiment
For making the purpose of this utility model, technical scheme and advantage clearer, the utility model is described in further detail below in conjunction with accompanying drawing.
As shown in Figure 3, the antenna structure of the portable terminal of the utility model embodiment comprises PCB control board 1, being electrically connected on being used on the described PCB control board 1 switches the single pole multiple throw 12 and the antenna 3 of described portable terminal multi-band signal, described antenna 3 is electrically connected with described PCB control board 1 by described single pole multiple throw 12, the antenna structure of described portable terminal also comprises and is used for described portable terminal multi-band signal is carried out the along separate routes branch feeding assembly 5 of coupling, and described branch feeding assembly 5 is electrically connected with described single pole multiple throw or mixer 12 and described antenna 3 respectively.
In the specific implementation process, when portable terminal is launched the signal of telecommunication of different frequency range, the signal of the 12 pairs of different frequency ranges of single pole multiple throw on PCB control board 1 switches or is synthetic, carries out the branch feeding coupling by 5 pairs of multi-band signals of branch feeding assembly then and transports to antenna 3.
Preferably, described antenna comprises PIFA antenna, unipole antenna or IFA antenna.
What deserves to be explained is that the concrete form of antenna 3 does not limit, can design according to the shunt match condition of 5 pairs of multiple-frequency signals of branch feeding assembly, for example, antenna 3 can design in split, also can be designed as an integral body, does not influence enforcement of the present utility model.
Branch feeding assembly 5 comprises: be used for carrying out according to the frequency of the multi-band signal of described portable terminal the frequency range adaptation 53 of frequency band transmission line 51, feeder line 52 and corresponding described feeder line 52 frequency bands along separate routes, described transmission line 51, described feeder line 52 and described frequency range adaptation 53 are electrically connected successively.
Branch feeding assembly 5 mainly is the components and parts that the signal of the different frequency range of single pole multiple throw 12 common ports of PCB control board 1 separated feed, branch feeding assembly 5 can form a plurality of and the matching network different frequency range phase adjust signal, in concrete the enforcement, multi-band signal is after single pole multiple throw 12 outputs, branch feeding assembly 5 is divided into multichannel according to the difference of each signal band transmission line 51 by branch feeding assembly 5 with signal, because transmission line 51, feeder line 52 and frequency range adaptation 53 are electrically connected successively, after signals in different frequency bands is divided into multichannel, carry out the coupling that the corresponding frequency band signal carries out filtering and each corresponding frequency band by feeder line 52 and the frequency range adaptation 53 that is electrically connected with transmission line 51, form a plurality of and the matching network different frequency range phase adjust signal, the form of filtering coupling does not limit, as: can use the mode of lc circuit to carry out filtering, also can use the mode of lc circuit and the combination of shorted to earth stub to carry out the filtering coupling, the benefit of this filtering matching way is the antistatic effect that can increase antenna 3.
Be understandable that, the antenna structure of portable terminal of the present utility model is applicable to multiband portable terminal or other multiband aerials, for example, TDMA mobile phone based on GSM double frequency and TD-SCDMA pattern, signal is from a PIN output of the single pole multiple throw 12 of PCB control board 1, branch feeding assembly 5 is divided into multichannel according to the difference of each signal band transmission line 51 by branch feeding assembly 5 with signal, carry out the coupling that the corresponding frequency band signal carries out filtering and each corresponding frequency band by feeder line 52 and the frequency range adaptation 53 that is electrically connected with transmission line 51, form a plurality of and the matching network different frequency range phase adjust signal; For another example, mobile phone based on the CDMA mode, if the height double frequency is arranged, signal is after the duplexing mixer output of PCB control board 1, be connected to antenna 3 through branch feeding assembly 5, only the matched filter design in the need branch feeding assembly 5 is reasonable, the height frequency range signal directly branch feeding to the matching network of different frequency range, also can not use duplexing mixer, high frequency band signal directly links to each other with high band adaptation 531 electricity with high band feeder line 521, low-band signal directly is electrically connected with low-frequency range feeder line 522 and low-frequency range adaptation 532, and then receive antenna 31 and 32 respectively signal radiation is gone out.
Preferably, described feeder line 52 comprises: high band feeder line 521 and low-frequency range feeder line 522, and described frequency range adaptation 53 comprises: high band adaptation 531 and low-frequency range adaptation 532;
Described transmission line 51, described high band feeder line 521 and described high band adaptation 531 are electrically connected successively; Described transmission line 51, described low-frequency range feeder line 522 and described low-frequency range adaptation 532 are electrically connected successively.
Preferably, described antenna 3 comprises: high band antenna 31 and low-frequency range antenna 32, and described high band antenna 31 is electrically connected with described high band adaptation 531;
Described low-frequency range antenna 32 is electrically connected with described low-frequency range adaptation 532.
Separately the antenna 3 of design is electrically connected with the adaptation of different frequency range respectively, makes that the isolation between each frequency band signals is strengthened, and each frequency band signals electric current only is distributed on alone the feeder line and antenna, makes the improved efficiency of antenna 3.Certainly, whether the split of antenna 3 does not design and limits, and can adjust according to concrete performance.
Referring to Fig. 4, be the antenna structure branch feeding assembly 5 of portable terminal of the present utility model and the concrete structure schematic diagram of antenna 3, wherein, it is long and narrow tabular that PCB control board 1 is, antenna 3 is fixedly installed on an end of PCB control board 1, branch feeding assembly 5 is electrically connected on the PCB control board 1 and with antenna 3 and is connected, and it comprises: the frequency range adaptation 53 that is used for carrying out according to the frequency of the multi-band signal of described portable terminal frequency band transmission line 51, feeder line 52 and corresponding described feeder line 52 frequency bands along separate routes.Feeder line 52 comprises: high band feeder line 521 and low-frequency range feeder line 522, and frequency range adaptation 53 comprises: high band adaptation 531 and low-frequency range adaptation 532; Transmission line 51, high band feeder line 521 and high band adaptation 531 are electrically connected successively; Transmission line 51, low-frequency range feeder line 522 and low-frequency range adaptation 532 are electrically connected successively, and in the present embodiment, antenna 3 promptly comprises for split designs: high band antenna 31 and low-frequency range antenna 32, and high band antenna 31 is electrically connected with high band adaptation 531; Low-frequency range antenna 32 is electrically connected with low-frequency range adaptation 532, like this, separately the high band antenna 31 of design and low-frequency range antenna 32 are electrically connected with the high band adaptation 531 and the low-frequency range adaptation 532 of different frequency range respectively, make the isolation between each frequency band signals strengthen, each frequency band signals electric current only is distributed on alone the feeder line and antenna, makes the improved efficiency of antenna 3.In the present embodiment, high band antenna 31 is " L " type, and effective area is 110 square millimeters, and low-frequency range antenna 32 is rectangle, and effective area is 280 square millimeters, is significantly smaller than the area of common dual-band antenna.
The invention also discloses a kind of portable terminal, described portable terminal comprises the antenna structure of above-mentioned portable terminal, and embodiment is identical with the execution mode of the antenna structure of above-mentioned portable terminal, repeats no more.
The antenna structure of the portable terminal of the utility model embodiment and this portable terminal, owing to be provided for described portable terminal multi-band signal is carried out the branch feeding assembly of coupling along separate routes, after the multichannel frequency range is separated, antenna also can separate layout, unnecessary cloth becomes an integral body, easier realization in baroque antenna environment like this.In addition, the back low-and high-frequency is mated respectively along separate routes, needn't go to take into account the index of low-frequency range when heightening frequency range.And by the existing frequency range criteria for classifying, high band just is two times of low-frequency range, exceeds standard if the low-frequency range second harmonic is spuious, mates alone by the technical program low frequency, adds the loss that a low pass filter can not have influence on the HFS signal.Be beneficial to engineer's debugging, save human cost.After the height band antenna separated, efficient compared so as to see who is superior and increases when antenna fuses frequently.It is littler that effective area that antenna is total and spatial altitude can be done, and antenna is realized miniaturization easily.
Above disclose only for a kind of preferred embodiment of the utility model, can not limit the interest field of the utility model certainly with this, therefore the equivalent variations of being done according to the utility model claim still belongs to the scope that the utility model is contained.
Claims (7)
1. the antenna structure of a portable terminal, comprise the PCB control board, be electrically connected on being used on the described PCB control board and switch the single pole multiple throw and the antenna of described portable terminal multi-band signal, described antenna is electrically connected by described single pole multiple throw and described PCB control board, it is characterized in that, the antenna structure of described portable terminal comprises also and is used for described portable terminal multi-band signal is carried out the branch feeding assembly of coupling along separate routes that described branch feeding assembly is electrically connected with described single pole multiple throw and described antenna respectively.
2. the antenna structure of portable terminal as claimed in claim 1, it is characterized in that, described branch feeding assembly comprises: be used for carrying out according to the frequency of the multi-band signal of described portable terminal the frequency range adaptation of frequency band transmission line, feeder line and corresponding described feeder line frequency band along separate routes, described transmission line, described feeder line and described frequency range adaptation are electrically connected successively.
3. the antenna structure of portable terminal as claimed in claim 2 is characterized in that, described feeder line comprises: high band feeder line and low-frequency range feeder line, and described frequency range adaptation comprises: high band adaptation and low-frequency range adaptation;
Described transmission line, described high band feeder line and described high band adaptation are electrically connected successively;
Described transmission line, described low-frequency range feeder line and described low-frequency range adaptation are electrically connected successively.
4. the antenna structure of portable terminal as claimed in claim 3 is characterized in that, described antenna comprises: high band antenna and low-frequency range antenna, and described high band antenna and described high band adaptation are electrically connected;
Described low-frequency range antenna and described low-frequency range adaptation are electrically connected.
5. the antenna structure of portable terminal as claimed in claim 2 is characterized in that, described antenna is any antenna in PIFA antenna, unipole antenna or the IFA antenna.
6. the antenna structure of portable terminal as claimed in claim 1 is characterized in that, described branch feeding assembly comprises the arbitrary components and parts in splitter, duplexer or the filtering adaptation.
7. a portable terminal is characterized in that, comprises as the described antenna structure of portable terminal as described in each of claim 1 to 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020217786XU CN201708248U (en) | 2010-06-02 | 2010-06-02 | Antenna structure of mobile terminal and mobile terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020217786XU CN201708248U (en) | 2010-06-02 | 2010-06-02 | Antenna structure of mobile terminal and mobile terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201708248U true CN201708248U (en) | 2011-01-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201020217786XU Expired - Lifetime CN201708248U (en) | 2010-06-02 | 2010-06-02 | Antenna structure of mobile terminal and mobile terminal |
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| CN (1) | CN201708248U (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103441331A (en) * | 2012-02-08 | 2013-12-11 | 苹果公司 | Tunable antenna system with multiple feeds |
| WO2014205929A1 (en) * | 2013-06-25 | 2014-12-31 | 中兴通讯股份有限公司 | Antenna, antenna apparatus, and terminal |
| CN104900984A (en) * | 2014-03-07 | 2015-09-09 | 联想(北京)有限公司 | Antenna device, wearable device and method for setting antenna device |
| CN104934691A (en) * | 2015-05-22 | 2015-09-23 | 王翔 | Reconfigurable portable mobile communication equipment antenna |
| CN106100686A (en) * | 2016-05-25 | 2016-11-09 | 广州三星通信技术研究有限公司 | Electric terminal |
| CN106450771A (en) * | 2015-08-11 | 2017-02-22 | 富泰华工业（深圳）有限公司 | Electronic device and multiband antenna thereof |
| CN107645346A (en) * | 2017-09-19 | 2018-01-30 | 北京小米移动软件有限公司 | Antenna and antenna debugging method |
| CN108199141A (en) * | 2017-12-29 | 2018-06-22 | 瑞声精密制造科技(常州)有限公司 | A kind of antenna system and mobile terminal |
| CN109755748A (en) * | 2019-01-21 | 2019-05-14 | 联想(北京)有限公司 | Electronic equipment |
| CN110931940A (en) * | 2019-12-06 | 2020-03-27 | 惠州Tcl移动通信有限公司 | Antenna structure and mobile terminal |
| CN112042054A (en) * | 2018-04-28 | 2020-12-04 | 华为技术有限公司 | Antenna device and terminal equipment |
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2010
- 2010-06-02 CN CN201020217786XU patent/CN201708248U/en not_active Expired - Lifetime
Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103441331B (en) * | 2012-02-08 | 2017-03-01 | 苹果公司 | Tunable antenna system with multiple feeds |
| CN103441331A (en) * | 2012-02-08 | 2013-12-11 | 苹果公司 | Tunable antenna system with multiple feeds |
| WO2014205929A1 (en) * | 2013-06-25 | 2014-12-31 | 中兴通讯股份有限公司 | Antenna, antenna apparatus, and terminal |
| CN104900984A (en) * | 2014-03-07 | 2015-09-09 | 联想(北京)有限公司 | Antenna device, wearable device and method for setting antenna device |
| CN104900984B (en) * | 2014-03-07 | 2018-08-10 | 联想(北京)有限公司 | Antenna assembly, Wearable and the method for antenna assembly to be arranged |
| CN104934691A (en) * | 2015-05-22 | 2015-09-23 | 王翔 | Reconfigurable portable mobile communication equipment antenna |
| CN106450771B (en) * | 2015-08-11 | 2020-09-15 | 富泰华工业（深圳）有限公司 | Electronic device and multi-band antenna thereof |
| CN106450771A (en) * | 2015-08-11 | 2017-02-22 | 富泰华工业（深圳）有限公司 | Electronic device and multiband antenna thereof |
| CN106100686A (en) * | 2016-05-25 | 2016-11-09 | 广州三星通信技术研究有限公司 | Electric terminal |
| CN106100686B (en) * | 2016-05-25 | 2019-03-12 | 广州三星通信技术研究有限公司 | Electric terminal |
| CN107645346A (en) * | 2017-09-19 | 2018-01-30 | 北京小米移动软件有限公司 | Antenna and antenna debugging method |
| CN107645346B (en) * | 2017-09-19 | 2021-06-04 | 北京小米移动软件有限公司 | Antenna and antenna debugging method |
| CN108199141A (en) * | 2017-12-29 | 2018-06-22 | 瑞声精密制造科技(常州)有限公司 | A kind of antenna system and mobile terminal |
| CN108199141B (en) * | 2017-12-29 | 2021-09-24 | 瑞声精密制造科技(常州)有限公司 | Antenna system and mobile terminal |
| CN112042054A (en) * | 2018-04-28 | 2020-12-04 | 华为技术有限公司 | Antenna device and terminal equipment |
| US11342651B2 (en) | 2018-04-28 | 2022-05-24 | Huawei Technologies Co., Ltd. | Antenna apparatus and terminal device |
| CN109755748A (en) * | 2019-01-21 | 2019-05-14 | 联想(北京)有限公司 | Electronic equipment |
| CN109755748B (en) * | 2019-01-21 | 2021-09-14 | 联想(北京)有限公司 | Electronic device |
| CN110931940A (en) * | 2019-12-06 | 2020-03-27 | 惠州Tcl移动通信有限公司 | Antenna structure and mobile terminal |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
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| CX01 | Expiry of patent term |
Granted publication date: 20110112 |