CN104733855A - Capacitive combined antenna and mobile terminal - Google Patents
Capacitive combined antenna and mobile terminal Download PDFInfo
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- CN104733855A CN104733855A CN201510138724.7A CN201510138724A CN104733855A CN 104733855 A CN104733855 A CN 104733855A CN 201510138724 A CN201510138724 A CN 201510138724A CN 104733855 A CN104733855 A CN 104733855A
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Abstract
The invention discloses a capacitive combined antenna and a mobile terminal. The capacitive combined antenna comprises an antenna module formed by the integration of a GPS chip with a Wi-Fi chip and an antenna impedance matching module used for maintaining the antenna module performance and reducing the size of the antenna, and the antenna impedance matching module is connected with the antenna module; the antenna impedance matching module comprises a GPS antenna impedance matching unit and a Wi-Fi antenna impedance matching unit, the GPS antenna impedance matching unit and the Wi-Fi antenna impedance matching unit are both connected with the antenna module, and the GPS antenna impedance matching unit is connected with the Wi-Fi antenna impedance matching unit. The capacitive combined antenna integrates a GPS antenna with a Wi-Fi antenna on the same antenna, the antenna number is reduced, the occupied space for the interior of the mobile terminal and the occupied space for a PCB plate are saved, and the antenna cost of the mobile terminal is reduced.
Description
Technical field
The present invention relates to wireless communication technology field, particularly a kind of capacitive combination antenna and mobile terminal.
Background technology
At present, the built-in gps antenna of mobile terminal and BT/WI-FI antenna conventional design adopt double antenna form or three-in-one antenna form, and double antenna form needs two antennas, need 2-4 binding post to realize; And conventional three-in-one antenna normal need 2 antenna shrapnels antenna cabling area requirements are large, therefore, gps antenna of the prior art and BT/WI-FI antenna exist that to take narrow space in mobile terminal large, and cost high defect.
Therefore, prior art has yet to be improved and developed.
Summary of the invention
In view of above-mentioned the deficiencies in the prior art part, the object of the present invention is to provide a kind of capacitive combination antenna and mobile terminal, all be arranged on separately mobile terminal inside separately to solve gps antenna and Wi-Fi antenna in prior art, or the three-in-one modular antenna of GPS and Wi-Fi takes up room area comparatively greatly, and the defect that All-in-One antenna cost is high.
In order to achieve the above object, this invention takes following technical scheme:
A kind of capacitive combination antenna, on the structure shell material being arranged at mobile terminal and pcb board, wherein, comprise the Anneta module being integrated with GPS chip and Wi-Fi chip, and for keeping Anneta module performance and the Antenna Impedance Matching module of reduction antenna size, Anneta module described in described Antenna Impedance Matching model calling; Wherein said Antenna Impedance Matching module comprises gps antenna impedance matching unit and described Wi-Fi Antenna Impedance Matching unit, described gps antenna impedance matching unit is all connected described Anneta module with described Wi-Fi Antenna Impedance Matching unit, and described gps antenna impedance matching unit connects described Wi-Fi Antenna Impedance Matching unit; Described gps antenna impedance matching unit includes the layout Loop structure that the employing microstrip line form of empty regions realizes on pcb board.
Described capacitive combination antenna, wherein, described gps antenna impedance matching unit comprises the first electric capacity and the first resistance; One end ground connection of described first resistance, the other end of described first resistance connect described Anneta module with described Wi-Fi Antenna Impedance Matching unit, be also connected the RF connector be arranged on pcb board by the first electric capacity.
Described capacitive combination antenna, wherein, described Wi-Fi Antenna Impedance Matching unit comprises the second electric capacity; One end ground connection of described second electric capacity, the other end of described second electric capacity connects described Anneta module.
Described capacitive combination antenna, wherein, described gps antenna impedance matching unit comprises the first electric capacity and the first inductance; One end ground connection of described first inductance, the other end of described first inductance connect described Anneta module with described Wi-Fi Antenna Impedance Matching unit, be also connected the RF connector be arranged on pcb board by the first electric capacity.
Described capacitive combination antenna, wherein, described Wi-Fi Antenna Impedance Matching unit comprises the second electric capacity; One end ground connection of described second electric capacity, the other end of described second electric capacity connects described Anneta module.
Described capacitive combination antenna, wherein, the resistance of described first resistance is 0 ohm.
Described capacitive combination antenna, wherein, the electric capacity of described first electric capacity is 0.5-1.0 pico farad.
Described capacitive combination antenna, wherein, the electric capacity of described second electric capacity is 0.5-1.0 pico farad.
Described capacitive combination antenna, wherein, the inductance value of described first inductance is 1-6.8 nanohenry.
A kind of mobile terminal, wherein, comprises described capacitive combination antenna.
Compared to prior art, capacitive combination antenna provided by the invention, by gps antenna and Wi-Fi antenna on the same antenna integrated, decrease antenna amount, save taking up room and taking up room to pcb board to mobile terminal inside, reduce the antenna cost of mobile terminal.
Accompanying drawing explanation
Fig. 1 is the structured flowchart of capacitive combination antenna of the present invention.
Fig. 2 is the concrete structure block diagram of Antenna Impedance Matching module in capacitive combination antenna of the present invention.
Fig. 3 is the circuit diagram of capacitive combination antenna of the present invention.
Fig. 4 is the schematic layout pattern of capacitive combination antenna of the present invention when specifically implementing on pcb board.
Embodiment
The invention provides a kind of capacitive combination antenna and mobile terminal, for making object of the present invention, technical scheme and effect clearly, clearly, developing simultaneously referring to accompanying drawing, the present invention is described in more detail for embodiment.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
Please refer to Fig. 1 and Fig. 2, wherein Fig. 1 is the structured flowchart of capacitive combination antenna of the present invention, Fig. 2 is the concrete structure block diagram of Antenna Impedance Matching module in capacitive combination antenna of the present invention, and described capacitive combination antenna is arranged on the pcb board in mobile terminal, comprising:
Be integrated with the Anneta module 10 of GPS chip and Wi-Fi chip, and for keeping Anneta module 10 performance and the Antenna Impedance Matching module 20 of reduction antenna size, described Antenna Impedance Matching module 20 connects described Anneta module 10; Wherein said Antenna Impedance Matching module 20 comprises gps antenna impedance matching unit 100 and Wi-Fi Antenna Impedance Matching unit 200, described gps antenna impedance matching unit 100 is all connected described Anneta module 10 with described Wi-Fi Antenna Impedance Matching unit 200, and described gps antenna impedance matching unit 100 connects described Wi-Fi Antenna Impedance Matching unit 200.
Wherein, described gps antenna impedance matching unit 100 includes the layout Loop structure that the employing microstrip line form of empty regions realizes on pcb board, and Anneta module 10, gps antenna impedance matching unit 100 and Wi-Fi Antenna Impedance Matching unit 200 all with a PAD(also i.e. antenna shrapnel) be connected, and the size of Loop structure is mainly relevant to the ID structure of mobile terminal and antenna surrounding enviroment, simultaneously, in mobile terminal antenna design process, the physical dimension that can be changed Loop by the size suitably adjusting inductance meets antenna requirements.
Please simultaneously see Fig. 3, it is the circuit diagram of capacitive combination antenna of the present invention.In specific implementation process, described gps antenna impedance matching unit 100 adopts following two kinds of execution modes:
Embodiment one
Described gps antenna impedance matching unit 100 comprises the first electric capacity C1 and the first resistance R1; One end ground connection of described first resistance R1, the other end of described first resistance R1 connect described Anneta module 10 with described Wi-Fi Antenna Impedance Matching unit 200, be also connected the RF connector 110 be arranged on pcb board by the first electric capacity C1.During concrete enforcement, described first resistance R1 is 0 ohm; The electric capacity of described first electric capacity C1 is 0.5-1.0 pico farad.
Further, refer to Fig. 3, described Wi-Fi Antenna Impedance Matching unit 200 comprises the second electric capacity C2; One end ground connection of described second electric capacity C2, the other end of described second electric capacity C2 connects described Anneta module 10; During concrete enforcement, the electric capacity of described second electric capacity C1 is 0.5-1.0 pico farad.
Embodiment two
Described gps antenna impedance matching unit 100 comprises the first electric capacity C1 and the first inductance L 1; One end ground connection of described first inductance L 1, the other end of described first inductance L 1 connect described Anneta module 10 with described Wi-Fi Antenna Impedance Matching unit 200, be also connected the RF connector 110 be arranged on pcb board by the first electric capacity C1.During concrete enforcement, the inductance value of described first inductance L 1 is 1-6.8 nanohenry; The electric capacity of described first electric capacity C1 is 0.5-1.0 pico farad.
Further, refer to Fig. 3, described Wi-Fi Antenna Impedance Matching unit 200 comprises the second electric capacity C2; One end ground connection of described second electric capacity C2, the other end of described second electric capacity C2 connects described Anneta module 10; During concrete enforcement, the electric capacity of described second electric capacity C1 is 0.5-1.0 pico farad.
Embodiment two schematic diagram in the specific implementation please refer to Fig. 4, and it is the schematic diagram of capacitive combination antenna of the present invention when specifically implementing on pcb board.As shown in Figure 4, the first electric capacity C1, the second electric capacity C2, the first inductance L 1 and PAD(also i.e. antenna shrapnel) be all arranged on the antenna empty regions of pcb board.
Embodiment one is only with the difference in embodiment two, adopts the first inductance L 1 to instead of the first resistance R1 in the second embodiment.In two kinds of specific embodiments, described gps antenna impedance matching unit 100 is half inverted F shaped antenna, same described Wi-Fi Antenna Impedance Matching unit 200 is also half inverted F shaped antenna, and described in state gps antenna impedance matching unit 100 and share an antenna shrapnel with described Wi-Fi Antenna Impedance Matching unit 200 and be connected with described Anneta module 10.
Simultaneously, because described first electric capacity C1 and described second electric capacity C2 is 0.5-1.0 pico farad, this is a very large capacitance in radio-frequency technique, but it can guarantee Anneta module 10 performance, and greatly reduces capacitive combination antenna of the present invention taking up room in mobile terminal.In general, institute of the present invention capacitive combination antenna taking up room in mobile terminal saves 70%-80% than All-in-One combined antenna in prior art taking up room of mobile terminal inside.
Owing to decreasing the area occupied of antenna on PCB, the top side face region in simultaneously a part of in addition antenna FPC cabling general mobile terminal shell corner, so comparatively speaking away from other electronic structure part (as camera, loudspeaker etc.) of periphery, reduce the risk be disturbed to a certain extent; Meanwhile, because the minimizing of dimensional footprint, the space of structural design is greatly increased.
Visible, capacitive combination antenna of the present invention, by gps antenna and Wi-Fi antenna on the same antenna integrated, decrease antenna amount, save taking up room and taking up room to pcb board to mobile terminal inside, reduce the antenna cost of mobile terminal, improve combined antenna performance.
Based on above-mentioned capacitive combination antenna, present invention also offers a kind of mobile terminal, described mobile terminal comprises described capacitive combination antenna.
In sum, the invention discloses a kind of capacitive combination antenna and mobile terminal, described capacitive combination antenna comprises the gps antenna module for sending and receive gps signal; For sending and receive the Wi-Fi Anneta module of Wi-Fi signal; Wi-Fi Anneta module described in described gps antenna model calling.Capacitive combination antenna provided by the invention, by gps antenna and Wi-Fi antenna on the same antenna integrated, decrease antenna amount, save taking up room and taking up room to pcb board to mobile terminal inside, reduce the antenna cost of mobile terminal.
Be understandable that, for those of ordinary skills, can be equal to according to technical scheme of the present invention and inventive concept thereof and replace or change, and all these change or replace the protection range that all should belong to the claim appended by the present invention.
Claims (10)
1. a capacitive combination antenna, on its structure shell material being arranged at mobile terminal and pcb board, it is characterized in that, comprise the Anneta module being integrated with GPS chip and Wi-Fi chip, and for keeping Anneta module performance and the Antenna Impedance Matching module of reduction antenna size, Anneta module described in described Antenna Impedance Matching model calling; Wherein said Antenna Impedance Matching module comprises gps antenna impedance matching unit and Wi-Fi Antenna Impedance Matching unit, described gps antenna impedance matching unit is all connected described Anneta module with described Wi-Fi Antenna Impedance Matching unit, and described gps antenna impedance matching unit connects described Wi-Fi Antenna Impedance Matching unit; Described gps antenna impedance matching unit includes the layout Loop structure that the employing microstrip line form of empty regions realizes on pcb board.
2. capacitive combination antenna according to claim 1, it is characterized in that, described gps antenna impedance matching unit comprises the first electric capacity and the first resistance; One end ground connection of described first resistance, the other end of described first resistance connect described Anneta module with described Wi-Fi Antenna Impedance Matching unit, be also connected the RF connector be arranged on pcb board by the first electric capacity.
3. capacitive combination antenna according to claim 2, it is characterized in that, described Wi-Fi Antenna Impedance Matching unit comprises the second electric capacity; One end ground connection of described second electric capacity, the other end of described second electric capacity connects described Anneta module.
4. capacitive combination antenna according to claim 1, it is characterized in that, described gps antenna impedance matching unit comprises the first electric capacity and the first inductance; One end ground connection of described first inductance, the other end of described first inductance connect described Anneta module with described Wi-Fi Antenna Impedance Matching unit, be also connected the RF connector be arranged on pcb board by the first electric capacity.
5. capacitive combination antenna according to claim 4, it is characterized in that, described Wi-Fi Antenna Impedance Matching unit comprises the second electric capacity; One end ground connection of described second electric capacity, the other end of described second electric capacity connects described Anneta module.
6. capacitive combination antenna according to claim 2, it is characterized in that, the resistance of described first resistance is 0 ohm.
7. capacitive combination antenna according to claim 2, it is characterized in that, the electric capacity of described first electric capacity is 0.5-1.0 pico farad.
8. capacitive combination antenna according to claim 3, it is characterized in that, the electric capacity of described second electric capacity is 0.5-1.0 pico farad.
9. capacitive combination antenna according to claim 4, it is characterized in that, the inductance value of described first inductance is 1-6.8 nanohenry.
10. a mobile terminal, is characterized in that, comprises the capacitive combination antenna as described in any one of claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510138724.7A CN104733855A (en) | 2015-03-27 | 2015-03-27 | Capacitive combined antenna and mobile terminal |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510138724.7A CN104733855A (en) | 2015-03-27 | 2015-03-27 | Capacitive combined antenna and mobile terminal |
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| CN104733855A true CN104733855A (en) | 2015-06-24 |
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| CN201510138724.7A Pending CN104733855A (en) | 2015-03-27 | 2015-03-27 | Capacitive combined antenna and mobile terminal |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107086356A (en) * | 2017-05-18 | 2017-08-22 | 北京小米移动软件有限公司 | Antenna modules and terminal |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20150035713A1 (en) * | 2013-08-05 | 2015-02-05 | Tdk Corporation | Antenna device and wireless communication device using the same |
| CN204216231U (en) * | 2014-09-19 | 2015-03-18 | 深州市思讯通信技术有限公司 | A kind of circuit structure of adjustable ceramic antenna |
-
2015
- 2015-03-27 CN CN201510138724.7A patent/CN104733855A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20150035713A1 (en) * | 2013-08-05 | 2015-02-05 | Tdk Corporation | Antenna device and wireless communication device using the same |
| CN204216231U (en) * | 2014-09-19 | 2015-03-18 | 深州市思讯通信技术有限公司 | A kind of circuit structure of adjustable ceramic antenna |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107086356A (en) * | 2017-05-18 | 2017-08-22 | 北京小米移动软件有限公司 | Antenna modules and terminal |
| CN107086356B (en) * | 2017-05-18 | 2023-08-29 | 北京小米移动软件有限公司 | Antenna Module and Terminal |
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Application publication date: 20150624 |