CN105375117B - A kind of antenna assembly and mobile terminal of mobile terminal - Google Patents
A kind of antenna assembly and mobile terminal of mobile terminal Download PDFInfo
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- CN105375117B CN105375117B CN201510856125.9A CN201510856125A CN105375117B CN 105375117 B CN105375117 B CN 105375117B CN 201510856125 A CN201510856125 A CN 201510856125A CN 105375117 B CN105375117 B CN 105375117B
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Abstract
The embodiment of the invention discloses a kind of antenna assemblies of mobile terminal, it include: external antenna, built-in antenna, the casing with antenna socket, filter, operating circuit and switch with aerial plug, wherein, the feeding point of external antenna is electrically connected by filter with the feed pin of aerial plug, and the grounding point of external antenna is electrically connected by ground line with the grounding pin of aerial plug；Built-in antenna, operating circuit and switch are located in casing, it is provided on casing and the matched antenna socket of aerial plug, the feed pin of antenna socket is electrically connected with switch, and switch is electrically connected with the feeding point of operating circuit and built-in antenna respectively, the grounding pin ground connection of antenna socket；Operating circuit is electrically connected for controlling operating circuit with built-in antenna or external antenna for the conversion between radiofrequency signal and baseband signal, switch.The embodiment of the invention also discloses a kind of mobile terminals.Using the present invention, interference can be reduced, increases signal transmitting and receiving quality.
Description
Technical field
The present invention relates to field of antenna more particularly to the antenna assemblies and mobile terminal of a kind of mobile terminal.
Background technique
The function of mobile terminal is more and more abundant, can also be real in addition to basic voice service and data service can be achieved
Existing Bluetooth transmission, GPS (Global Positioning System, global positioning system, abbreviation GPS) positioning and WiFi
(Wireless Fidelity, Wireless Fidelity, abbreviation WiFi) function, in order to realize the above functions, mobile terminal is internally provided with
Corresponding 2G/3G/4G/5G (2/3/4/5-Generation wireless telephone technology, the second/tri-/
Four/five generation wireless communication techniques, abbreviation 2G/3G/4G/5G) antenna, WiFi antenna, Bluetooth antenna and GPS antenna, each type
Antenna be independently mounted at the designated position inside mobile terminal casing.Mobile terminal is increasingly pursued in current mobile phone manufacture
Lightening, the space inside mobile terminal is more and more narrower, and a plurality of types of radio-frequency antennas are mounted on inside and be easy to cause mutually
Interference, causes the service quality of business that cannot ensure.
Summary of the invention
The technical problem to be solved by the embodiment of the invention is that the antenna assembly for providing a kind of mobile terminal and movement are eventually
End.It can solve a plurality of types of radio-frequency antennas inside mobile terminal in the prior art and be easy to cause interference, lead to the clothes of business
The problem of quality of being engaged in decline.
In order to solve the above-mentioned technical problem, the embodiment of the invention provides a kind of antenna assemblies of mobile terminal, comprising:
External antenna, built-in antenna with aerial plug, the casing with antenna socket, filter, operating circuit and
Switch, wherein
The feeding point of the external antenna is electrically connected by the filter with the feed pin of aerial plug, described external
The grounding point of antenna is electrically connected by ground line with the grounding pin of the aerial plug；
The built-in antenna, the operating circuit and the switch are located in casing, are provided on the casing and institute
The matched antenna socket of aerial plug is stated, the feed pin of the antenna socket is electrically connected with the switch, the switch
It is electrically connected respectively with the feeding point of the operating circuit and the built-in antenna, the grounding pin ground connection of the antenna socket；
The operating circuit is for the conversion between radiofrequency signal and baseband signal, and the switch is for controlling the work
Make circuit to be electrically connected with the built-in antenna or external antenna.
Wherein, the external antenna is electrically connected by 50 ohmage transmission lines with the filter.
Wherein, the antenna socket is earphone socket or USB socket.
Wherein, when passing through the built-in antenna receiving and transmitting signal, the switch detects the RSSI of the built-in antenna
When less than preset value, being electrically connected between the operating circuit and the built-in antenna is disconnected, connects the external antenna and institute
State the electrical connection between operating circuit；Or
When the switch detects that the aerial plug of the external antenna is inserted into the antenna socket, the work is disconnected
Make being electrically connected between circuit and the built-in antenna, connects being electrically connected between the external antenna and the operating circuit.
Wherein, the external antenna is three-stage rod-pulling type antenna.
Wherein, the built-in antenna is any one in GPS antenna, 2G/3G/4G/5G, WiFi antenna and Bluetooth antenna
Kind.
Wherein, the casing includes: metal center of the closing without breakpoint and the metal plate as main ground, the built-in antenna
It include: the first metal routing and the second metal routing；
Wherein, the metal center includes connecting into two side frames of frame shape, a top frame and a bottom frame；The both ends of the top frame
It is respectively connected to the top of two side frames, the both ends of the bottom frame are respectively connected to the bottom end of two side frames；It is described
The two sides of metal plate are seamlessly connected with two side frames of the metal center respectively, the bottom edge of the metal plate and the metal
The bottom frame of center forms first window, and first metal routing and second metal routing are set to the first window
In, first metal routing is connect with the metal center, second metal routing connect simultaneously the metal center and
The metal plate.
Wherein, first metal routing and second metal routing and second metal routing are in same plane
On.
Wherein, first metal routing and second metal routing are arranged symmetrically.
Correspondingly, the embodiment of the present invention also provides a kind of mobile terminal, including antenna assembly described in above-mentioned any one.
The implementation of the embodiments of the present invention has the following beneficial effects:
Casing internal is provided with built-in antenna, and external antenna and filter are provided with outside casing, and external antenna passes through day
Line plug and the separation of antenna socket and casing or connection, switch are controlled operating circuit and are received and dispatched using external antenna or built-in antenna
Signal reduces the annoyance level of each antenna of casing internal, increases signal transmission quality.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is a kind of antenna device arrangement schematic diagram one of mobile terminal provided in an embodiment of the present invention；
Fig. 2 is a kind of structural schematic diagram two of the antenna assembly of mobile terminal provided in an embodiment of the present invention.
Specific embodiment
The embodiment of the invention provides a kind of antenna assembly of mobile terminal and mobile terminals, to reduce in mobile terminal
Electromagnetic interference between each radio-frequency antenna in portion enhances signal transmitting and receiving quality, reduces the power consumption of mobile terminal.
In order to enable those skilled in the art to better understand the solution of the present invention, below in conjunction in the embodiment of the present invention
Attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is only
The embodiment of a part of the invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill people
The model that the present invention protects all should belong in member's every other embodiment obtained without making creative work
It encloses.
It is a kind of structural schematic diagram of the antenna assembly of mobile terminal provided in an embodiment of the present invention referring to Fig. 1, it is simple below
Claim " antenna assembly ", the antenna assembly includes: external antenna 101, filter 102, aerial plug 103, antenna casing 10, machine
Shell 11, antenna socket 111, operating circuit 112, built-in antenna 113 and switch 114.Wherein, external antenna 101 and filter
102 are located in antenna casing, and the material of antenna casing is non-metallic material, and external antenna 101 has feeding point and grounding point, outside
The feeding point for setting antenna 101 passes through the electrical connection of the feed pin of filter 102 and aerial plug 103, the ground connection of external antenna 101
Point is electrically connected with the grounding pin of aerial plug 103.Filter 102 is used to filter out the out-of-band noise in radiofrequency signal.
Casing 11 can be composed of center and rear cover, and center and rear cover form a cavity, printed circuit board setting
In this cavity, built-in antenna 113, operating circuit 112 and switch 114 can be set on a printed circuit.On casing 11
Equipped with the matched antenna socket 111 of aerial plug 103, antenna socket 111 have feed pin and grounding pin, antenna socket
111 feed pin and switch 114 electrical connection, the grounding pin ground connection of antenna socket 111；Switch 114 respectively and work
Circuit 112 and built-in antenna 113 are electrically connected；Operating circuit 113 is for transmitting built-in antenna 113 or external antenna 101
Radiofrequency signal be converted to baseband signal, be sent to baseband chip；Or the baseband signal that baseband chip generates is converted into radio frequency
Signal is launched by built-in antenna 113 or external antenna 101.Switch 114 is for controlling operating circuit and built-in antenna
One of those is electrically connected with external antenna, transmits signal using external antenna or built-in antenna.Wherein, switch 114
It can be the switch of a single-pole double throw, the plug-in strip of control switch makes operating circuit 112 and external antenna 101 and built-in antenna
An electrical connection in 113.
Optionally, external antenna is electrically connected by transmission line and filter, and transmission line is 50 ohmage transmission lines.Its
In, transmission line between all parts all can be 50 ohmage transmission lines, for example, the biography between filter and aerial plug
Defeated line is 50 ohmage transmission lines, and the transmission line between antenna socket and switch is 50 ohmage transmission lines, switch
Transmission line between built-in antenna is 50 ohmage transmission lines, and the transmission line between switch and operating circuit is 50 ohm
Impedance transmission lines.
Optionally, antenna socket is earphone socket or USB socket.Wherein, earphone socket and USB socket are carried on casing,
Using existing earphone socket and USB socket as antenna socket, the antenna socket of external antenna be accordingly headset plug and
USB plug.In addition, additional antenna socket also can be set on the casing of mobile terminal, such as the antenna socket of screw thread mouth, outside
The aerial plug of antenna setting threaded post is set, aerial plug and antenna socket are cooperatively connected.
It should be noted that when switch detects that antenna socket is not inserted into external antenna, operating circuit and built-in is controlled
Antenna keeps electrical connection；When switch detects that antenna socket is inserted into external antenna, work is controlled according to preset control strategy
Circuit is electrically connected with external antenna and the holding of built-in antenna one.
Optionally, when antenna assembly transmits data by built-in antenna, switch detects that the RSSI of built-in antenna is small
When preset value, the electrical connection between operating circuit and built-in antenna is disconnected, connects the electricity between external antenna and operating circuit
Connection；Or
When switch detects that the aerial plug of external antenna is inserted into antenna socket, operating circuit and built-in antenna are disconnected
Between electrical connection, connect being electrically connected between external antenna and operating circuit.
Wherein, show that signal strength declines when RSSI is reduced, during mobile terminal uses built-in antenna transmission signal,
The RSSI of built-in antenna be less than preset value when, switch enable external antenna be operating circuit transmit signal, external antenna by
The interference of radio-frequency antenna inside mobile terminal is small, and signal reception is strong, can be reduced the amplitude of signal strength decline.
Or switch is used only external antenna and receives and dispatches when detecting that the aerial plug of external antenna is inserted into antenna socket
Signal.
Optionally, external antenna is three-stage rod-pulling type antenna.Wherein, external antenna and filter can be set in antenna
In shell, antenna casing can be plastic material.
Optionally, built-in antenna is one of GPS antenna, 2G/3G/4G/5G, WiFi antenna and Bluetooth antenna.
It referring to fig. 2, is a kind of structural schematic diagram two of the antenna assembly of mobile terminal provided in an embodiment of the present invention, at this
In inventive embodiments, antenna assembly include: external antenna with aerial plug, built-in antenna, the casing with antenna socket,
Filter, operating circuit and switch；Casing include metal center 26, as it is main ground metal plate (grey area Fig. 2) and
Back-cover (not shown), built-in antenna include the first metal routing 24 and the second metal routing 25, and center is metal material, in metal
Antenna socket 28 is provided on the grid frame of frame, antenna socket includes feed pin and grounding pin.The outside of casing is provided with outer
Antenna 291, antenna casing 29, filter 292 and aerial plug 293 are set, aerial plug 293 has feed pin and grounding lead
The feeding point of foot, external antenna 291 passes through the electrical connection of the feed pin of filter 292 and aerial plug 293, external antenna 291
Ground connection electricity and aerial plug grounding pin be electrically connected, antenna socket 28 have feed pin and grounding pin, aerial plug
293 and antenna socket 28 matching connection, the feed pin of antenna socket 28 and by switch respectively with built-in antenna and work
Circuit electrical connection.
Metal center 26 is closing without breakpoint arrangement, and metal center includes top frame 20, left frame 22, right grid 21 and bottom frame
23, the two sides of metal plate and the two sides of metal center 26 are seamlessly connected, the top margin of metal plate and the top frame shape of metal center
At first window, the bottom edge of metal plate and the bottom frame of metal center form the second window, the first metal routing 24 and the second metal
Cabling 25 is located in the second window, and printed circuit board is fixedly installed on metal plate, and switch 27 is installed on a printed circuit,
Switch 27 is electrically connected with one end of the second metal routing 25 respectively and is electrically connected with the feed pin of antenna socket, and antenna is inserted
Grounding pin and the metal plate electrical connection of seat, the other end of the second metal routing are electrically connected with the bottom frame of metal center.It is mobile whole
End is external, and external antenna 391 is provided in antenna casing 29, and the feeding point of external antenna 291 is inserted by filter 292 and antenna
First 293 feed pin electrical connection, the grounding pin electrical connection of the grounding point and aerial plug 293 of external antenna 291；Work as antenna
When plug 293 is inserted into antenna socket 28, the feed pin of aerial plug 293 and the feed pin of antenna socket 28 are electrically connected
It connects, the grounding pin electrical connection of the grounding pin and antenna socket 28 of aerial plug 293.
The implementation of the embodiments of the present invention has the following beneficial effects:
Casing internal is provided with built-in antenna, and external antenna and filter are provided with outside casing, and external antenna passes through day
Line plug and the separation of antenna socket and casing or connection, switch are controlled operating circuit and are received and dispatched using external antenna or built-in antenna
Signal reduces the annoyance level of each antenna of casing internal, increases signal transmission quality.
The embodiment of the invention also provides a kind of mobile terminals, including antenna assembly described in above-described embodiment, it should be appreciated that
Mobile terminal includes but is not limited to carryOr the movement of other operating systems
Terminal, such as mobile phone.Be also possible to other mobile terminals, such as with touch sensitive surface (for example, touch-screen display and/
Or Trackpad) laptop computer or tablet computer or desktop computer.
In the following discussion, a kind of mobile terminal including display and touch sensitive surface is described.It should be appreciated, however, that
Mobile terminal may include other one or more physical user-interface devices, such as physical keyboard, mouse and/or operating stick.
Mobile terminal usually supports a variety of application programs, such as one of following or a variety of: picture application program is presented
Application program, word-processing application, webpage create application program, disk editor application program, spreadsheet applications, trip
Play application program, telephony application, videoconference application, email application, instant message application program, forging
Refining supports application program, photograph to manage application program, digital camera applications program, digital video camcorder application program, network
Viewer applications, digital music player application, and/or video frequency player application program.
The physical user-interface device that the various application programs that can be executed on mobile terminals can be used at least one shared,
Such as touch sensitive surface.The corresponding information of the one or more functions and display of touch sensitive surface on mobile terminals can be answered from one kind
It is adjusted with program and/or is changed to a kind of lower application program and/or is adjusted and/or changes in corresponding application programs.In this way,
The shared physical structure (such as touch sensitive surface) of mobile terminal can be propped up using intuitive clearly user interface for a user
Hold various application programs.
Above disclosed is only a preferred embodiment of the present invention, cannot limit the power of the present invention with this certainly
Sharp range, those skilled in the art can understand all or part of the processes for realizing the above embodiment, and weighs according to the present invention
Benefit requires made equivalent variations, still belongs to the scope covered by the invention.
Claims (9)
1. a kind of antenna assembly of mobile terminal characterized by comprising with the external antenna of aerial plug, built-in antenna,
Casing, filter, operating circuit and switch with antenna socket, wherein
The feeding point of the external antenna is electrically connected by the filter with the feed pin of aerial plug, the external antenna
Grounding point by ground line be electrically connected with the grounding pin of the aerial plug；
The casing includes: metal center of the closing without breakpoint and the metal plate as main ground, is fixedly installed on the metal plate
Printed circuit board；
The built-in antenna, the operating circuit and the switch are located in casing, are provided on the casing and the day
The antenna socket of line mate, the feed pin of the antenna socket are electrically connected with the switch, the switch installation
On the printed circuit board, the switch is electrically connected with the feeding point of the operating circuit and the built-in antenna respectively,
The grounding pin of the antenna socket is grounded；
The built-in antenna includes: the first metal routing and the second metal routing, in first metal routing and the metal
Frame electrical connection, second metal routing is electrically connected with the switch, and second metal routing is electrically connected to the gold
Belong to center；
The operating circuit is for the conversion between radiofrequency signal and baseband signal, and the switch is for controlling the work electricity
Road is electrically connected with the built-in antenna or external antenna；
When passing through the built-in antenna receiving and transmitting signal, the switch detects that the received signal strength of the built-in antenna refers to
When showing that RSSI is less than preset value, being electrically connected between the operating circuit and the built-in antenna is disconnected, connects the external day
Being electrically connected between line and the operating circuit.
2. antenna assembly as described in claim 1, which is characterized in that the external antenna by 50 ohmage transmission lines with
The filter electrical connection.
3. antenna assembly as claimed in claim 1 or 2, which is characterized in that the antenna socket is that earphone socket or USB are inserted
Seat.
4. antenna assembly as described in claim 1, which is characterized in that the external antenna is three-stage rod-pulling type antenna.
5. antenna assembly as described in claim 1, which is characterized in that the built-in antenna be GPS antenna, 2G/3G/4G/5G,
Any one in WiFi antenna and Bluetooth antenna.
6. antenna assembly as described in claim 1, which is characterized in that the metal center includes two sides for connecting into frame shape
Frame, a top frame and a bottom frame；The both ends of the top frame are respectively connected to the top of two side frames, the both ends point of the bottom frame
It is not connected to the bottom end of two side frames；The two sides of the metal plate are seamless with two side frames of the metal center respectively
Connection, the bottom frame of the bottom edge of the metal plate and the metal center form first window, first metal routing and described
Second metal routing is set in the first window.
7. antenna assembly as described in claim 1, which is characterized in that first metal routing and second metal routing
In the same plane.
8. antenna assembly as claimed in claim 6, which is characterized in that first metal routing and second metal routing
It is arranged symmetrically.
9. a kind of mobile terminal characterized by comprising the antenna assembly as described in claim 1-8 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510856125.9A CN105375117B (en) | 2015-11-28 | 2015-11-28 | A kind of antenna assembly and mobile terminal of mobile terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510856125.9A CN105375117B (en) | 2015-11-28 | 2015-11-28 | A kind of antenna assembly and mobile terminal of mobile terminal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105375117A CN105375117A (en) | 2016-03-02 |
| CN105375117B true CN105375117B (en) | 2019-03-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510856125.9A Active CN105375117B (en) | 2015-11-28 | 2015-11-28 | A kind of antenna assembly and mobile terminal of mobile terminal |
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| CN (1) | CN105375117B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106252838A (en) * | 2016-08-26 | 2016-12-21 | 珠海格力电器股份有限公司 | Auxiliary antenna method to set up, device and there is the mobile phone of this device |
| CN107346983A (en) * | 2017-06-28 | 2017-11-14 | 广东欧珀移动通信有限公司 | A kind of compatible built-in and external antenna mobile terminal |
| CN109546343B (en) * | 2018-12-18 | 2020-06-30 | 珠海格力电器股份有限公司 | Antenna structure and method for enhancing antenna directivity and temperature controller |
| CN110740399B (en) * | 2019-10-18 | 2021-06-11 | 潍坊歌尔电子有限公司 | Wireless earphone |
| CN112993572A (en) * | 2019-12-02 | 2021-06-18 | 中兴通讯股份有限公司 | Device and terminal for reducing interference of USB (universal serial bus) to antenna |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1188209A (en) * | 1997-09-11 | 1999-03-30 | Mitsubishi Electric Corp | Mobile communication equipment |
| JP3789415B2 (en) * | 2002-10-03 | 2006-06-21 | Ｓｍｋ株式会社 | Detachable antenna device |
| KR100842576B1 (en) * | 2005-09-08 | 2008-07-01 | 삼성전자주식회사 | Antenna apparatus for mobile phone |
| CN201418108Y (en) * | 2009-05-07 | 2010-03-03 | 上海德晨通信科技有限公司 | Antenna integrated device and movable terminal using same |
| CN203433115U (en) * | 2013-05-22 | 2014-02-12 | 深圳富泰宏精密工业有限公司 | Gps antenna module and portable electronic device |
| CN203398293U (en) * | 2013-06-27 | 2014-01-15 | 广东欧珀移动通信有限公司 | External antenna, wireless device and wireless equipment |
| CN203674396U (en) * | 2013-09-18 | 2014-06-25 | 上海安费诺永亿通讯电子有限公司 | Novel LTE antenna having all-metal frame |
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2015
- 2015-11-28 CN CN201510856125.9A patent/CN105375117B/en active Active
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| CN105375117A (en) | 2016-03-02 |
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| CB02 | Change of applicant information |
Address after: 523860 No. 18, Wu Sha Beach Road, Changan Town, Dongguan, Guangdong Applicant after: OPPO Guangdong Mobile Communications Co., Ltd. Address before: 523860 No. 18, Wu Sha Beach Road, Changan Town, Dongguan, Guangdong Applicant before: Guangdong OPPO Mobile Communications Co., Ltd. |
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