CN201927703U - Antenna device and mobile terminal - Google Patents
Antenna device and mobile terminal Download PDFInfo
- Publication number
- CN201927703U CN201927703U CN2011200098393U CN201120009839U CN201927703U CN 201927703 U CN201927703 U CN 201927703U CN 2011200098393 U CN2011200098393 U CN 2011200098393U CN 201120009839 U CN201120009839 U CN 201120009839U CN 201927703 U CN201927703 U CN 201927703U
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- portable terminal
- antenna
- module
- power splitter
- antenna assembly
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Abstract
The utility model relates to the technical field of mobile communication and provides an antenna device. The antenna device is positioned in a mobile terminal and comprises a main antenna and a power divider. An input end of the power divider is connected with the main antenna. Two output ends of the power divider are respectively connected with a global position system GPS module and a bluetooth/wireless fidelity BT/WIFI two-in-one module in the mobile terminal through a first matching circuit and a second matching circuit. The utility model also provides the mobile terminal, which is provided with the antenna device. The antenna device or the mobile terminal can integrate antennas of three modules, so that the occupied space of the antennas is reduced and the overall cost is also reduced.
Description
Technical field
The utility model relates to the mobile communication technology field, relates in particular to a kind of antenna assembly and portable terminal.
Background technology
Portable terminal (for example mobile phone, vehicular communication equipment etc.) is provided with wireless communication module and GPS (Global Positioning System, global positioning system) module mostly.These modules will realize communicating by letter with extraneous, and antenna need be set.In the present portable terminal, gps antenna is an antenna independently, gps antenna and radio antenna be made two-in-one antenna, needs the baseband module support, and needs custom switches, needs the control of base band support to switch simultaneously.Custom switches must increase product cost, and baseband module need have control this switch function, also will increase certain cost, thereby product cost is higher.Continuous development along with science and technology, though the portable terminal that has occurred using two-in-one antenna on the market and do not needed to customize external switch (for example, in the existing market some have the mobile phone of bluetooth/two-in-one module of WiMAX T/WIFI), but if portable terminal has the GPS function concurrently, just also an antenna need be set in addition, this can cause size of mobile terminals to increase undoubtedly, and increases the manufacturing cost of portable terminal.
The utility model content
Main purpose of the present utility model is to provide a kind of antenna assembly, is intended to effectively reduce taking up room of antenna, reduces the complete machine cost simultaneously.
The utility model provides a kind of antenna assembly, be arranged in portable terminal, it comprises main antenna and power splitter, the input of described power splitter links to each other with main antenna, two outputs are respectively by first match circuit and second match circuit, are connected with bluetooth/two-in-one module of WiMAX BT/WIFI with global position system GPS module in the portable terminal.
Preferably, described power splitter is laid on the portable terminal main circuit board PCB, and the span of I/O impedance is 40～60 ohm.
Preferably, described first match circuit is provided with:
Resistance, input is connected with the output of power splitter, and output is connected with the input of GPS module;
First inductance, an end connects the input of resistance, other end ground connection;
Second inductance, an end connects the output of resistance, and the other end is connected with first inductance.
Preferably, the base material material of described PCB is epoxy glass plate FR4, and thickness range is 1～2mm, and dielectric constant is 4.2～4.5.
Preferably, the operating frequency of described power splitter in the GPS module is 1.575GHz; Operating frequency in the two-in-one module of BT/WIFI is 2.4GHz.
The utility model provides a kind of portable terminal, be provided with antenna assembly, global position system GPS module and bluetooth/two-in-one module of WiMAX BT/WIFI, wherein, described antenna assembly comprises main antenna and power splitter, the input of described power splitter links to each other with main antenna, two outputs are respectively by first match circuit and second match circuit, are connected with bluetooth/two-in-one module of WiMAX BT/WIFI with global position system GPS module in the portable terminal.
Preferably, described portable terminal is a mobile phone.
Antenna assembly provided by the utility model or portable terminal connect main antenna, GPS module and the two-in-one module of BT/WIFI by power splitter, and antenna that can integrated three modules has reduced taking up room of antenna, has reduced the complete machine cost simultaneously.
Description of drawings
Fig. 1 is the structural representation of antenna assembly among the utility model antenna one embodiment;
Fig. 2 is the structural representation of power splitter among the utility model antenna one embodiment;
Fig. 3 is the structural representation of first match circuit among the utility model antenna one embodiment.
The realization of the utility model purpose, functional characteristics and advantage will be in conjunction with the embodiments, are described further with reference to accompanying drawing.
Embodiment
In the utility model, portable terminal can be mobile phone, vehicular communication equipment etc., will be example with the mobile phone below, describes the utility model in detail.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.
In conjunction with Fig. 1 to Fig. 3, be the structural representation of antenna assembly among the embodiment of the present utility model.This device is arranged in portable terminal, and it comprises main antenna 10 and power splitter 20.The input of power splitter 20 links to each other with main antenna 10, and two outputs are respectively by first match circuit 21 and second match circuit 22, is connected with the two-in-one module 12 of bluetooth/WiMAX BT/WIFI with global position system GPS module 11 in the portable terminal.
The power splitter full name is a power divider, is a kind ofly one road input signal energy to be divided into the output of two-way or multichannel equates or the device of unequal energy.The utility model inserts main antenna 10 by power splitter 20, and respectively with GPS module 11 and the two-in-one module 12 of BT/WIFI, can be when realizing GPS, bluetooth, WiMAX function, reduce an antenna or radio-frequency (RF) switch, thereby reduce the complete machine manufacturing cost, effectively reduced taking up room of antenna.
With reference to Fig. 2, in one embodiment, at the mobile phone that is provided with the two-in-one module 12 of BT/WIFI, power splitter 20 is laid on the main circuit board PCB of mobile phone, and its I/O impedance can be 50 ohm.Should be noted that, it only is among a plurality of embodiment of the utility model that the I/O impedance of power splitter 20 is 50 ohm, actual conditions can suitably be adjusted as required, can be 40 ohm or 60 ohm etc. according to parameter adjustments such as the base material material of PCB, thickness also for example.The last end of this PCB is provided with GPS module 11 and the two-in-one module 12 of BT/WIFI simultaneously, and the nearer distance of being separated by.The trunk 23 of power splitter 20 connects main antenna 10, and its characteristic resistance can be 50 ohm, and first branch 24 meets first match circuit, 21, the second branches 25 and connects second match circuit 22.In one embodiment, the base material material of PCB can be FR4 (epoxy glass plate), and thickness range is 1～2mm, and dielectric constant is 4.2～4.5.In a concrete example, can select thickness for use is 1.0mm, and the number of plies is 10 layers a FR4 base material, and branch's width of first branch 24 and second branch 25 all is set to 0.3mm, and the characteristic resistance all can be 50 ohm.On the main circuit board PCB owing to the mobile phone that is laid in by printed circuit, thereby it does not take the space of mobile phone substantially.
The operating frequency of power splitter 20 in the GPS module can be 1.575GHz; Operating frequency in the two-in-one module of BT/WIFI can be 2.4GHz.
With reference to Fig. 3, above-mentioned first match circuit 21 is provided with:
Resistance R, input is connected with the output of power splitter 20, and output is connected with the input of GPS module 11;
First inductance L, 1, one end connects the input of resistance 20, other end ground connection;
Second inductance L, 2, one ends connect the output of resistance 20, and the other end is connected with first inductance L 1.
The concrete numerical value of first inductance L 1, second inductance L 2 and resistance R can draw by continuous debugging.For example, main antenna 10 connection signals constantly can be debugged first match circuit 21 then, make that the GPS passage is unobstructed, reduce the loss of signal.
In one embodiment, the structure of second match circuit 22 is identical with first match circuit 21.
The utility model provides a kind of portable terminal, is provided with the two-in-one module 12 of aforementioned antenna assembly, global position system GPS module 11 and bluetooth/WiMAX BT/WIFI, and wherein, antenna assembly comprises main antenna 10 and power splitter 20.The input of power splitter 20 links to each other with main antenna 10, and two outputs are respectively by first match circuit 21 and second match circuit 22, is connected with the two-in-one module 12 of bluetooth/WiMAX BT/WIFI with global position system GPS module 11 in the portable terminal.
The utility model portable terminal can be mobile phone, and wherein the structure of antenna assembly specifically can not be described further at this with reference to earlier figures 1 to embodiment illustrated in fig. 3.
The utility model portable terminal can reduce an antenna or radio-frequency (RF) switch when realizing GPS, bluetooth, WiMAX function, reduced the complete machine manufacturing cost, has effectively reduced taking up room of antenna.
It below only is preferred embodiment of the present utility model; be not so limit claim of the present utility model; every equivalent structure or equivalent flow process conversion that utilizes the utility model specification and accompanying drawing content to be done; or directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the present utility model.
Claims (8)
1. antenna assembly, be arranged in portable terminal, it is characterized in that, comprise main antenna and power splitter, the input of described power splitter links to each other with main antenna, two outputs are respectively by first match circuit and second match circuit, are connected with bluetooth/two-in-one module of WiMAX BT/WIFI with global position system GPS module in the portable terminal.
2. antenna assembly as claimed in claim 1 is characterized in that, described power splitter is laid on the portable terminal main circuit board PCB, and the span of I/O impedance is 40～60 ohm.
3. antenna assembly as claimed in claim 2 is characterized in that, described first match circuit is provided with:
Resistance, input is connected with the output of power splitter, and output is connected with the input of GPS module;
First inductance, an end connects the input of resistance, other end ground connection;
Second inductance, an end connects the output of resistance, and the other end is connected with first inductance.
4. antenna assembly as claimed in claim 3 is characterized in that, the base material material of described PCB is epoxy glass plate FR4, and thickness range is 1～2mm, and dielectric constant is 4.2～4.5.
5. as each described antenna assembly in the claim 1 to 4, it is characterized in that the operating frequency of described power splitter in the GPS module is 1.575GHz; Operating frequency in the two-in-one module of BT/WIFI is 2.4GHz.
6. portable terminal, be provided with antenna assembly, global position system GPS module and bluetooth/two-in-one module of WiMAX BT/WIFI, it is characterized in that, described antenna assembly comprises main antenna and power splitter, the input of described power splitter links to each other with main antenna, two outputs are respectively by first match circuit and second match circuit, are connected with bluetooth/two-in-one module of WiMAX BT/WIFI with global position system GPS module in the portable terminal.
7. portable terminal as claimed in claim 6 is characterized in that, also comprises as each described antenna assembly in the claim 2 to 5.
8. portable terminal as claimed in claim 7 is characterized in that, described portable terminal is a mobile phone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200098393U CN201927703U (en) | 2011-01-13 | 2011-01-13 | Antenna device and mobile terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200098393U CN201927703U (en) | 2011-01-13 | 2011-01-13 | Antenna device and mobile terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201927703U true CN201927703U (en) | 2011-08-10 |
Family
ID=44431539
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200098393U Expired - Fee Related CN201927703U (en) | 2011-01-13 | 2011-01-13 | Antenna device and mobile terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201927703U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102324949A (en) * | 2011-09-13 | 2012-01-18 | 深圳桑菲消费通信有限公司 | Mobile communication terminal |
| CN102684727A (en) * | 2011-12-20 | 2012-09-19 | 中兴通讯股份有限公司 | Antenna multiplexing method and multimode mobile terminal |
| US20150045089A1 (en) * | 2012-08-31 | 2015-02-12 | Huizhou Tcl Mobile Communication Co., Ltd. | Three-in-one antenna device for mobile phone and mobile terminal |
| CN106711577A (en) * | 2015-11-12 | 2017-05-24 | 株式会社Emw | Antenna device and mobile terminal with the same |
-
2011
- 2011-01-13 CN CN2011200098393U patent/CN201927703U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102324949A (en) * | 2011-09-13 | 2012-01-18 | 深圳桑菲消费通信有限公司 | Mobile communication terminal |
| CN102324949B (en) * | 2011-09-13 | 2013-12-25 | 深圳桑菲消费通信有限公司 | Mobile communication terminal |
| CN102684727A (en) * | 2011-12-20 | 2012-09-19 | 中兴通讯股份有限公司 | Antenna multiplexing method and multimode mobile terminal |
| WO2013091308A1 (en) * | 2011-12-20 | 2013-06-27 | 中兴通讯股份有限公司 | Antenna multiplexing method and multi-mode mobile terminal |
| CN102684727B (en) * | 2011-12-20 | 2014-07-02 | 中兴通讯股份有限公司 | Antenna multiplexing method and multimode mobile terminal |
| US20150045089A1 (en) * | 2012-08-31 | 2015-02-12 | Huizhou Tcl Mobile Communication Co., Ltd. | Three-in-one antenna device for mobile phone and mobile terminal |
| CN106711577A (en) * | 2015-11-12 | 2017-05-24 | 株式会社Emw | Antenna device and mobile terminal with the same |
| CN106711577B (en) * | 2015-11-12 | 2020-08-21 | 株式会社Emw | Antenna device and mobile terminal having the same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110810 Termination date: 20150113 |
|
| EXPY | Termination of patent right or utility model |