CN106848575B - External antenna, mobile terminal and antenna switching method - Google Patents
External antenna, mobile terminal and antenna switching method Download PDFInfo
- Publication number
- CN106848575B CN106848575B CN201710074373.7A CN201710074373A CN106848575B CN 106848575 B CN106848575 B CN 106848575B CN 201710074373 A CN201710074373 A CN 201710074373A CN 106848575 B CN106848575 B CN 106848575B
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- Prior art keywords
- antenna
- connecting end
- external antenna
- mobile terminal
- external
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/44—Details of, or arrangements associated with, antennas using equipment having another main function to serve additionally as an antenna, e.g. means for giving an antenna an aesthetic aspect
- H01Q1/46—Electric supply lines or communication lines
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/50—Structural association of antennas with earthing switches, lead-in devices or lightning protectors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/52—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure
- H01Q1/526—Electromagnetic shields
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/02—Contact members
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R31/00—Coupling parts supported only by co-operation with counterpart
- H01R31/06—Intermediate parts for linking two coupling parts, e.g. adapter
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
- H04B7/0602—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using antenna switching
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
- H04B7/0802—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using antenna selection
- H04B7/0805—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using antenna selection with single receiver and antenna switching
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Telephone Function (AREA)
- Transceivers (AREA)
- Telephone Set Structure (AREA)
Abstract
The invention discloses an external antenna, a mobile terminal and an antenna switching method, wherein the external antenna comprises a connecting plug for connecting the mobile terminal and an antenna unit for receiving signals, the connecting plug comprises a first connecting end and a second connecting end, the antenna unit is electrically connected with the mobile terminal through the first connecting end and the second connecting end, signals of a mobile phone can be enhanced by accessing the external antenna in a weak signal area, and the conversation and internet access quality of a user is ensured.
Description
Technical Field
The invention relates to the technical field of mobile terminals, in particular to an external antenna, a mobile terminal and an antenna switching method.
Background
With the development of communication equipment and the requirement of customers on beauty, mobile phones and other communication equipment are thinner and more delicate in research and development. Correspondingly, the thinner the device is, the smaller the space available for stacking the internal antenna is, and the lower the antenna efficiency is, thereby actually affecting the signal of the communication device. Often in places with dense living places, mobile phone signals are affected, and most intuitively, the mobile phone call fails, the internet speed is very low, and normal use of users is affected.
Thus, the prior art has yet to be improved and enhanced.
Disclosure of Invention
In view of the above-mentioned shortcomings in the prior art, an object of the present invention is to provide an external antenna, a mobile terminal and an antenna switching method, which can enhance the signal of a mobile phone by accessing the external antenna in a weak signal area, thereby ensuring the quality of the call and the internet access of a user.
In order to achieve the purpose, the invention adopts the following technical scheme:
the external antenna comprises a connecting plug for connecting a mobile terminal and an antenna unit for receiving signals, wherein the connecting plug comprises a first connecting end and a second connecting end, and the antenna unit is electrically connected with the mobile terminal through the first connecting end and the second connecting end.
The external antenna, among them, the antenna unit includes data transmission line, the isolation layer that is used for reducing interference signal and the antenna layer that is used for receiving electromagnetic signal, the isolation layer cladding is in data transmission line's skin, the antenna layer sets up the outmost at the isolation layer, the antenna unit still includes the protective layer that sets up at antenna layer surface.
In the external antenna, the antenna layer is a copper wire or a copper sheet.
In the external antenna, the antenna layer is spiral.
In the external antenna, the diameter of the copper wire is 1-2 mm.
A mobile terminal comprises a USB interface, wherein the USB interface is matched with an external antenna for use, and the USB interface at least comprises a third connecting end and a fourth connecting end which are used for keeping electric connection with the first connecting end and the second connecting end when the external antenna is inserted into the USB interface.
The mobile terminal further comprises:
the prompting module is used for outputting prompting information whether to switch to the external antenna or not when the first connecting end and the second connecting end are respectively connected with the third connecting end and the fourth connecting end;
and the switching module is used for switching the current working antenna to the external antenna when receiving a switching instruction which is input by a user and is used for switching to the external antenna.
In the mobile terminal, the USB interface further includes a filtering unit connected to the third connection end for filtering out clutter signals.
In the mobile terminal, the filtering unit comprises a first resistor, a second resistor and a first capacitor, one end of the first resistor is connected with the third connecting end, and the other end of the first resistor is connected with an antipna switch end on a main board of the mobile terminal through the second resistor and is grounded through the first capacitor.
An antenna switching control method includes the following steps:
A. inserting the external antenna into a USB interface of the mobile terminal, so that the first connecting end and the second connecting end are respectively and electrically connected with the third connecting end and the fourth connecting end;
B. when the first connecting end and the second connecting end are respectively connected with the third connecting end and the fourth connecting end, outputting prompt information whether to switch to the external antenna;
C. and when a switching instruction for switching to the external antenna, which is input by a user, is received, switching the current working antenna to the external antenna.
Compared with the prior art, in the external antenna, the mobile terminal and the antenna switching method provided by the invention, the external antenna comprises the connecting plug for connecting the mobile terminal and the antenna unit for receiving signals, the connecting plug comprises the first connecting end and the second connecting end, the antenna unit is electrically connected with the mobile terminal through the first connecting end and the second connecting end, signals of a mobile phone can be enhanced by accessing the external antenna in a weak signal area, and the conversation and internet access quality of a user is ensured.
Drawings
Fig. 1 is a schematic structural diagram of an external antenna provided in the present invention.
Fig. 2 is a schematic structural diagram of a connection plug in the external antenna provided by the present invention.
Fig. 3 is a circuit diagram of a USB interface in the mobile terminal according to the present invention.
Fig. 4 is a block diagram of a mobile terminal according to the present invention.
Fig. 5 is a flowchart of an antenna switching method provided in the present invention.
Detailed Description
In view of the defects that the built-in antenna of the mobile phone in the prior art cannot support certain weak signal positions and the like, the invention aims to provide an external antenna, a mobile terminal and an antenna switching method, which can enhance the signal of the mobile phone by accessing the external antenna in a weak signal area and ensure the communication and internet access quality of a user.
In order to make the objects, technical solutions and effects of the present invention clearer and clearer, the present invention is further described in detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1 and fig. 2, the external antenna provided by the present invention includes a connection plug 11 for connecting a mobile terminal and an antenna unit 10 for receiving a signal, where the connection plug 11 includes a first connection end 111 and a second connection end 112, and the antenna unit 10 is electrically connected to the mobile terminal through the first connection end 111 and the second connection end 112, in this embodiment, the first connection end 111 is an antenna pin, and the second connection end 112 is an antenna detection pin, in a specific implementation, the connection plug 11 and the connection mode with the mobile terminal may be implemented in various forms, for example, an improvement is performed on an existing USB data line to make the USB data line serve as an external antenna, so that the USB data line simultaneously implements functions of data transmission and the external antenna, or only serves as a connection line of the external antenna, or a mobile phone protective case with the connection plug 11 serves as the external antenna, the appearance is attractive, the signal intensity of the mobile phone is improved, and two purposes are achieved.
In this embodiment, a first implementation manner is described, that is, a USB data line is used to simultaneously implement data transmission and an external antenna function, the USB data line has two connectors, the two connectors are connected through an antenna unit 10, one of the connectors is a USB end, the other interface is a micro B end, when the external antenna is used, the micro B end is used as a connection connector to be electrically connected to a mobile terminal, the first connection end 111 and the second connection end 112 are provided to implement the external antenna function, and the USB end may be additionally provided with an external detection point elastic sheet 20 and an antenna elastic sheet 30 to be connected to a USB female socket of another device as the external antenna.
Specifically, the antenna unit 10 includes a data transmission line, an isolation layer for reducing interference signals, and an antenna layer for receiving electromagnetic signals, the isolation layer is coated on the outer layer of the data transmission line, the antenna layer is disposed on the outermost layer of the isolation layer, and the antenna unit 10 further includes a protective layer disposed on the outer surface of the antenna layer. Namely, the connector provided by the invention further comprises five connecting ends of the existing USB data line, namely a GND end, an ID end, a D + end, a D-end and a VBUS end, and is used for realizing traditional data transmission through the data transmission line, the data transmission line comprises corresponding D +, D-, VBUS and GND ground wires, and meanwhile, a thin metal isolation material is coated on the outer layer of the data transmission line to serve as an isolation layer for protecting antenna signals from interference and improving the stability of the antenna signals, and then the antenna layer is wound on the outermost layer of the isolation layer.
During concrete implementation, can adopt copper line or flat narrow limit copper sheet as antenna layer, the diameter of copper line is 1-2mm, preferably about 1.5mm, and further, for the efficiency that improves antenna work, antenna layer is the heliciform, according to mobile terminal's frequency channel demand, bends out some rings in preset position department and supports different frequency channels promptly to improve antenna work efficiency as far as possible. According to the invention, the antenna connecting end is additionally arranged on the USB data line, and the antenna and the isolating material added at each position are very thin, so that the appearance and the texture of the normal USB data line are not influenced, the USB data line simultaneously supports the functions of data transmission and an external antenna, and the signal of a mobile phone is greatly enhanced.
Correspondingly, the present invention further provides a mobile terminal, as shown in fig. 3, which includes a USB interface J1, the USB interface J1 is used in cooperation with the external antenna, and the USB interface J1 includes at least a third connection terminal 113 and a fourth connection terminal 114, for maintaining electrical connection with the first connection terminal 111 and the second connection terminal 112 when the external antenna is inserted into the USB interface J1. In this embodiment, the third connection terminal 113 is an antenna pin, and the fourth connection terminal 114 is an antenna detection pin, and is correspondingly connected to the first connection terminal 111 and the second connection terminal 112, respectively.
Further, referring to fig. 4, the mobile terminal further includes a prompt module 13 and a switch module 14, where the prompt module 13 is connected to the switch module 14, and the prompt module 13 is configured to output a prompt message indicating whether to switch to the external antenna when the first connection end 111 and the second connection end 112 are connected to the third connection end 113 and the fourth connection end 114, respectively; the switching module 14 is configured to switch the current working antenna to the external antenna when receiving a switching instruction for switching to the external antenna, which is input by a user.
The antenna pin and the antenna detection pin are additionally arranged on the USB interface J1 of the mobile terminal, when the connecting plug 11 of the external antenna is inserted into the USB interface J1, the antenna detection pin detects that the antenna pin is switched on at the moment, then the prompt module 13 outputs prompt information for a user to select whether to switch to the external antenna, if the user selects to keep using the internal antenna, the external antenna does not work, if the user selects to use the external antenna, the switching module 14 switches the current working antenna to the external antenna when receiving a switching instruction for switching to the external antenna, which is input by the user, so that the switching setting of the antenna is completed, and the user can normally use the mobile terminal in a weak signal area.
Preferably, the USB interface J1 further includes a filtering unit 15 connected to the third connection terminal 113 and used for filtering out clutter signals, so as to ensure stability of antenna signal transmission, specifically, the filtering unit 15 includes a first resistor R1, a second resistor R2 and a first capacitor C1, one end of the first resistor R1 is connected to the third connection terminal 113, and the other end of the first resistor R1 is connected to an antenna switch terminal (i.e., an antenna switch terminal) on the mobile terminal main board through a second resistor R2 and is also grounded through the first capacitor C1. Further, the USB interface J1 further includes a plurality of filter capacitors and a plurality of zener diodes, which are respectively used for signal filtering and voltage stabilizing functions, and are not described in detail herein since they are prior art.
The present invention also provides a method for controlling antenna switching, as shown in fig. 5, the method for controlling antenna switching includes the following steps:
s100, inserting the external antenna into a USB interface of the mobile terminal, and enabling the first connecting end and the second connecting end to be electrically connected with the third connecting end and the fourth connecting end respectively;
s200, when the first connecting end and the second connecting end are respectively connected with the third connecting end and the fourth connecting end, outputting prompt information whether to switch to the external antenna;
s300, when a switching instruction for switching to the external antenna is received, which is input by a user, the current working antenna is switched to the external antenna.
In summary, in the external antenna, the mobile terminal and the antenna switching method provided by the present invention, the external antenna includes a connection plug for connecting the mobile terminal and an antenna unit for receiving a signal, the connection plug includes a first connection end and a second connection end, the antenna unit is electrically connected to the mobile terminal through the first connection end and the second connection end, and a signal of the mobile phone can be enhanced by accessing the external antenna in a weak signal area, so that the communication and internet access quality of a user is ensured.
It should be understood that equivalents and modifications of the technical solution and inventive concept thereof may occur to those skilled in the art, and all such modifications and alterations should fall within the scope of the appended claims.
Claims (10)
1. The external antenna is characterized by comprising a connecting plug and an antenna unit, wherein the connecting plug is used for connecting a mobile terminal, the antenna unit is used for receiving signals, the connecting plug comprises a first connecting end and a second connecting end, and the antenna unit is electrically connected with the mobile terminal through the first connecting end and the second connecting end;
the USB interface of the mobile terminal is matched with the external antenna for use, and the USB interface at least comprises a third connecting end and a fourth connecting end which are used for keeping electric connection with the first connecting end and the second connecting end when the external antenna is inserted into the USB interface;
the prompting module is used for outputting prompting information whether to switch to the external antenna or not when the first connecting end and the second connecting end are respectively connected with the third connecting end and the fourth connecting end;
the switching module is used for switching the current working antenna to the external antenna when receiving a switching instruction which is input by a user and is used for switching to the external antenna;
the connecting plug comprises a USB end, an external detection point elastic sheet and an antenna elastic sheet are additionally arranged at the USB end, and the connecting plug is used for being connected with a USB female seat of the equipment to serve as an external antenna.
2. The external antenna as defined in claim 1, wherein the antenna unit comprises a data transmission line, an isolation layer for reducing interference signals, and an antenna layer for receiving electromagnetic signals, the isolation layer is coated on an outer layer of the data transmission line, the antenna layer is disposed on an outermost layer of the isolation layer, and the antenna unit further comprises a protective layer disposed on an outer surface of the antenna layer.
3. The external antenna as defined in claim 2, wherein the antenna layer is a copper wire or a copper sheet.
4. The external antenna as defined in claim 2, wherein the antenna layer is helical.
5. The external antenna as defined in claim 3, wherein the diameter of the copper wire is 1-2 mm.
6. A mobile terminal, comprising a USB interface, wherein the USB interface is used with an external antenna according to any one of claims 1 to 5, and the USB interface comprises at least a third connection terminal and a fourth connection terminal for electrically connecting to the first connection terminal and the second connection terminal when the external antenna is plugged into the USB interface;
the connecting plug comprises a USB end, an external detection point elastic sheet and an antenna elastic sheet are additionally arranged at the USB end, and the connecting plug is used for being connected with a USB female seat of the equipment to serve as an external antenna.
7. The mobile terminal of claim 6, further comprising:
the prompting module is used for outputting prompting information whether to switch to the external antenna or not when the first connecting end and the second connecting end are respectively connected with the third connecting end and the fourth connecting end;
and the switching module is used for switching the current working antenna to the external antenna when receiving a switching instruction which is input by a user and is used for switching to the external antenna.
8. The mobile terminal according to claim 6, wherein the USB interface further comprises a filtering unit connected to the third connection terminal for filtering out clutter signals.
9. The mobile terminal of claim 8, wherein the filtering unit comprises a first resistor, a second resistor and a first capacitor, one end of the first resistor is connected to the third connection terminal, and the other end of the first resistor is connected to an antenna switch terminal on the mobile terminal main board through the second resistor and is also grounded through the first capacitor.
10. An antenna switching control method is characterized by comprising the following steps:
A. inserting the external antenna into a USB interface of the mobile terminal, so that the first connecting end and the second connecting end are respectively and electrically connected with the third connecting end and the fourth connecting end;
B. when the first connecting end and the second connecting end are respectively connected with the third connecting end and the fourth connecting end, outputting prompt information whether to switch to the external antenna;
C. when a switching instruction for switching to the external antenna, which is input by a user, is received, switching the current working antenna to the external antenna;
the USB interface is additionally provided with an external detection point elastic sheet and an antenna elastic sheet which are used for being connected with a USB female seat of the equipment to serve as an external antenna.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710074373.7A CN106848575B (en) | 2017-02-10 | 2017-02-10 | External antenna, mobile terminal and antenna switching method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710074373.7A CN106848575B (en) | 2017-02-10 | 2017-02-10 | External antenna, mobile terminal and antenna switching method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106848575A CN106848575A (en) | 2017-06-13 |
| CN106848575B true CN106848575B (en) | 2021-02-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710074373.7A Active CN106848575B (en) | 2017-02-10 | 2017-02-10 | External antenna, mobile terminal and antenna switching method |
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| CN (1) | CN106848575B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110830091A (en) * | 2018-08-07 | 2020-02-21 | 联想移动通信科技有限公司 | Mobile terminal WIFI antenna system, control method and mobile terminal |
| CN112290327A (en) * | 2019-07-09 | 2021-01-29 | 中国探针股份有限公司 | Electrical connector assembly |
| CN110931943A (en) * | 2019-12-20 | 2020-03-27 | 惠州Tcl移动通信有限公司 | External antenna and terminal equipment |
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| CN106848575A (en) | 2017-06-13 |
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