CN107394363A - A kind of external antenna device, its connection method and terminal - Google Patents
A kind of external antenna device, its connection method and terminal Download PDFInfo
- Publication number
- CN107394363A CN107394363A CN201710482111.4A CN201710482111A CN107394363A CN 107394363 A CN107394363 A CN 107394363A CN 201710482111 A CN201710482111 A CN 201710482111A CN 107394363 A CN107394363 A CN 107394363A
- Authority
- CN
- China
- Prior art keywords
- terminal
- antenna
- unit
- interface unit
- external antenna
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Classifications
-
- 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
- H01Q1/12—Supports; Mounting means
- H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
- H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
- H01Q1/241—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM
- H01Q1/242—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use
- H01Q1/243—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use with built-in antennas
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q23/00—Antennas with active circuits or circuit elements integrated within them or attached to them
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
Abstract
The embodiment of the invention discloses a kind of external antenna device, its connection method and terminal, wherein, external antenna device includes：Terminal interface unit, for being connected with the external antenna interface unit of terminal；Antenna element, it is connected with the port unit；Tuned cell, it is connected respectively with the terminal interface unit and the antenna element, the tuned cell is used for the frequency adjusting signals that receiving terminal is sent, and the resonant frequency of the antenna element is adjusted according to the frequency adjusting signals.The efficiency of terminal wireless communication can be improved.
Description
Technical field
The invention belongs to electronic technology field, more particularly to a kind of external antenna device, its connection method and terminal.
Background technology
Nowadays terminal (such as smart mobile phone, tablet personal computer) has become not retrievable important work in people's Working Life
Tool.Existing Trend of Terminal Development is to be accounted for frivolous, big based on screen ratio or all-metal fuselage mostly, causes terminal inner can not
Reserve the antenna that more spaces set terminal.
Although in existing terminal, can be by the antenna of terminal on the shell, for example, by side of the built-in aerial to adhere to
Formula is arranged on metal shell surface.But the design easily influences the efficiency of terminal wireless transmission in hand held terminal.
The content of the invention
The embodiment of the present invention provides a kind of external antenna device, its connection method and terminal, improves terminal wireless transmission
Efficiency.
In a first aspect, the embodiments of the invention provide a kind of external antenna device, the external antenna device includes：
Terminal interface unit, for being connected with the external antenna interface unit of terminal；
Antenna element, it is connected with the port unit；
Tuned cell, it is connected respectively with the terminal interface unit and the antenna element, the tuned cell is used to connect
The frequency adjusting signals that terminal is sent are received, and the resonant frequency of the antenna element is adjusted according to the frequency adjusting signals.
Second aspect, the embodiment of the present invention also provide a kind of connection method of external antenna device, the connection method bag
Include：
The first electric signal is sent to the terminal, the terminal is generated antenna switching letter according to first electric signal
Number；Wherein, the antenna switching signal carries resonant frequency information corresponding to the Target Wireless unit；
Receive the antenna switching signal that the terminal is sent and according to antenna switching signal conducting and the end
Target Link between end；
Receive the frequency adjusting signals that the terminal is sent according to the resonant frequency information and adjusted according to the frequency
Save Signal Regulation resonant frequency.
The third aspect, the embodiment of the present invention also provide a kind of terminal, can connect external antenna device, the terminal bag
Include：
External antenna interface unit, the external antenna interface unit are used to connect external antenna device, the external day
It is traditional thread binding to be set to external antenna device as described above；
Built-in aerial；
Target Wireless unit, the first link is connected to form with the built-in aerial, the Target Wireless unit is used for institute
External antenna device transmission frequency Regulate signal is stated, the external antenna device is adjusted resonance according to the frequency adjusting signals
Frequency；
Control unit, it is connected with the external antenna interface unit, described control unit is connected with first link, institute
State control unit to be used to receive the first electric signal that the external antenna device is sent, day is generated according to first electric signal
Line switching signal simultaneously disconnects first link according to the antenna switching signal, and the antenna switching signal is sent into institute
State external antenna device.
The embodiments of the invention provide a kind of external antenna device, including：Terminal interface unit, for external with terminal
Antenna interface unit is connected；Antenna element, it is connected with the port unit；Tuned cell, respectively with the terminal interface
Unit is connected with the antenna element, and the tuned cell is used for the frequency adjusting signals that receiving terminal is sent, and according to described
Frequency adjusting signals adjust the resonant frequency of the antenna element.The efficiency of terminal wireless communication can be improved.
Brief description of the drawings
Technical scheme in order to illustrate the embodiments of the present invention more clearly, it is required in being described below to embodiment to use
Accompanying drawing is briefly described, it should be apparent that, drawings in the following description are some embodiments of the present invention, general for this area
For logical technical staff, on the premise of not paying creative work, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is a kind of structural representation of external antenna device provided in an embodiment of the present invention；
Fig. 2 is a kind of structural representation for external antenna device that another embodiment of the present invention provides；
Fig. 3 is the concrete structure of antenna element in a kind of external antenna device that another embodiment of the present invention provides；
Fig. 4 is the schematic diagram of terminal interface unit in a kind of external antenna device provided in an embodiment of the present invention；
Fig. 5 is terminal interface unit and day line options list in a kind of external antenna device that another embodiment of the present invention provides
A kind of physical circuit figure of member；
Fig. 6 is terminal interface unit and toggle switch in a kind of external antenna device that another embodiment of the present invention provides
Another physical circuit figure；
Fig. 7 is a kind of flow chart of the connection method of external antenna device provided in an embodiment of the present invention；
Fig. 8 is a kind of structural representation of terminal provided in an embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is part of the embodiment of the present invention, rather than whole embodiments.Based on this hair
Embodiment in bright, the every other implementation that those of ordinary skill in the art are obtained under the premise of creative work is not made
Example, belongs to the scope of protection of the invention.
It should be appreciated that ought be in this specification and in the appended claims in use, term " comprising " and "comprising" instruction
Described feature, entirety, step, operation, the presence of element and/or component, but it is not precluded from one or more of the other feature, whole
Body, step, operation, element, component and/or its presence or addition for gathering.
It is also understood that the term used in this description of the invention is merely for the sake of the mesh for describing specific embodiment
And be not intended to limit the present invention.As used in description of the invention and appended claims, unless on
Other situations are hereafter clearly indicated, otherwise " one " of singulative, "one" and "the" are intended to include plural form.
It will be further appreciated that the term "and/or" used in description of the invention and appended claims is
Refer to any combinations of one or more of the associated item listed and be possible to combine, and including these combinations.
As used in this specification and in the appended claims, term " if " can be according to context quilt
Be construed to " when ... " or " once " or " in response to determining " or " in response to detecting ".Similarly, phrase " if it is determined that " or
" if detecting [described condition or event] " can be interpreted to mean according to context " once it is determined that " or " in response to true
It is fixed " or " once detecting [described condition or event] " or " in response to detecting [described condition or event] ".
In the specific implementation, the terminal described in the embodiment of the present invention is including but not limited to such as with touch sensitive surface
The mobile phone, laptop computer or tablet PC of (for example, touch-screen display and/or touch pad) etc it is other just
Portable device.It is to be further understood that in certain embodiments, the equipment is not portable communication device, but with tactile
Touch the desktop computer of sensing surface (for example, touch-screen display and/or touch pad).
In discussion below, the terminal including display and touch sensitive surface is described.It is, however, to be understood that
It is that terminal can include one or more of the other physical user-interface device of such as physical keyboard, mouse and/or control-rod.
Terminal supports various application programs, such as one or more of following：Drawing application programs, demonstration
Application programs, word-processing application program, website create application programs, disk imprinting application programs, electricity
Sub-table application programs, game application program, telephony application program, videoconference application program, electricity
Sub- mail applications program, instant messaging applications program, take exercise and support application programs, photo management application
Program program, digital camera application program program, digital camera application programs, web-browsing application programs, numeral
Music player application program program and/or video frequency player application programs.
The various application programs that can be performed in terminal can use at least one of such as touch sensitive surface
Public physical user-interface device.It can adjust and/or change between application programs and/or in corresponding application programs program
Become in the one or more functions and terminal of touch sensitive surface the corresponding information shown.So, the public physics frame of terminal
Structure (for example, touch sensitive surface) can support the various application programs with user interface directly perceived and transparent for a user
Program.
Fig. 1 is referred to, Fig. 1 is a kind of structural representation of external antenna device provided in an embodiment of the present invention.Such as Fig. 1 institutes
Show, a kind of external antenna device 100 includes：Terminal interface unit 110, antenna element 120 and tuned cell 130.Specifically：
Terminal interface unit 110, it is connected for the external antenna interface unit 210 with terminal 200.
Antenna element 120, it is connected with terminal interface unit 110.
Tuned cell 130, it is connected respectively with terminal interface unit 110 and antenna element 110, tuned cell 130 is used to connect
The frequency adjusting signals that terminal 200 is sent are received, and the resonant frequency of antenna element 110 is adjusted according to frequency adjusting signals.
It should be noted that terminal 200 includes multiple radio-cells, when the non-access terminal 200 of external antenna device 100
When, each radio-cell in terminal 200 each connects corresponding built-in aerial.
Radio-cell in terminal 200 can be WiFi (WirelessFidelity, WLAN) unit, ZigBee
(ZigBee protocol) unit, GPS (Global Positioning System, global positioning system) units or communication unit.
It is understood that communication unit is used to realize that call or data transfer, communication unit can include：2G communicates
Unit, 3G communication units, 4G communication units or 5G communication units.
To improve the radio transmission efficiency of the WiFi units in terminal 200 for example, external antenna device 100 passes through end
End interface unit 110 and the external antenna interface unit 210 of terminal 200 are connected, and make antenna element 120 by being connect with terminal
Mouth unit 110 is connected with the WiFi units in terminal 200, the antenna as WiFi units.Terminal 200 passes through external antenna interface
The transmission frequency Regulate signal of chain road direction tuned cell 130 that unit 210 is formed with terminal interface unit 110, makes tuned cell 130
The resonant frequency of antenna element 120 is adjusted according to frequency adjusting signals, makes the resonant frequency and WiFi units of antenna element 120
Resonant frequency matches.
It is understood that when external antenna device 100 is connected with terminal 200, the conduct of external antenna device 100
The external antenna of terminal 200, for coordinating terminal 200 to carry out radio communication service.
A kind of external antenna device that the present embodiment provides, including：Terminal interface unit, for the external antenna with terminal
Interface unit is connected；Antenna element, it is connected with the port unit；Tuned cell, respectively with the terminal interface unit
It is connected with the antenna element, the tuned cell is used for the frequency adjusting signals that receiving terminal is sent, and according to the frequency
Regulate signal adjusts the resonant frequency of the antenna element.The efficiency of terminal wireless communication can be improved.
Fig. 2 is referred to, Fig. 2 is a kind of structural representation for external antenna device that another embodiment of the present invention provides.Such as
Shown in Fig. 2, a kind of external antenna device 100 includes：Terminal interface unit 110, antenna element 120, tuned cell 130 and day
Line options unit 140.Specifically：
Terminal interface unit 110, it is connected for the external antenna interface unit 210 with terminal 200.
Antenna element 120, it is connected with terminal interface unit 110.
Tuned cell 130, it is connected respectively with terminal interface unit 110 and antenna element 120, tuned cell 130 is used to connect
The frequency adjusting signals that terminal 200 is sent are received, and the resonant frequency of antenna element 110 is adjusted according to frequency adjusting signals.
Antenna selecting unit 140 is connected with terminal interface unit 110, and antenna selecting unit 140 is used to generate the first telecommunications
Number, and the first electric signal is sent to terminal 200 by terminal interface unit 110, terminal 200 is generated according to the first electric signal
Antenna switching signal, and according to the Target Wireless unit 211 inside antenna switching signal disconnected end 200 and built-in aerial 212
Between the first link 210, the Target Link between conducting Target Wireless unit 211 and antenna element 120.
It should be noted that as a kind of possibility realized of the present embodiment, each radio-cell in terminal 200 with each
Switch is provided between the built-in aerial of connection, closure or the disconnection of the switch are controlled by the control unit 230 in terminal 200,
Realize being turned on or off for link between Target Wireless unit and built-in aerial.
It is understood that different radio-cells can correspond to same built-in aerial, a radio-cell can also
Corresponding multiple built-in aerials.
It should be noted that before realizing Target Wireless unit 210 using external antenna device 100 as antenna, pass through
The first link 220 that control unit 230 is disconnected between Target Wireless unit 221 and built-in aerial 222 can avoid Target Wireless
Unit 221 connects the work confusion phenomena caused by the different two or more antennas of specification simultaneously.
In the present embodiment, Target Wireless unit 111 includes the part or all of nothing in multiple radio-cells in terminal 200
Line unit.
It should be noted that in all embodiments of the invention, antenna selecting unit 140 can provide different magnitudes of voltage
The first electric signal, the first different electric signals corresponds to different antenna switching signals, every kind of antenna switching signal counterpart terminal
One or more Target Wireless unit 221 in 200.By being operated to antenna selecting unit 140, can generate and whole
Antenna switching signal corresponding to Target Wireless unit in end 200.
For example, when needing to strengthen the GPS unit data transmission efficiency of terminal 200, by external antenna device 100 and terminal
After 200 connections, by setting antenna selecting unit 140 and then for generating the first electric signal, first electric signal and GPS unit
It is corresponding.First electric signal is sent to terminal 200 by terminal interface unit 110, makes the control unit 230 in terminal 200
Antenna switching signal is generated according to the first electric signal, and according to the Target Wireless list inside antenna switching signal disconnected end 200
The first link 220 between member 221 and built-in aerial 222, the mesh between conducting Target Wireless unit 221 and antenna element 120
Mark link.
Fig. 3 shows the concrete structure of antenna element in a kind of external antenna device of another offer of the embodiment of the present invention.
As shown in figure 3, as a kind of implementation of the present embodiment, antenna element 120 includes：Switch element 121, first antenna unit
122 and second antenna element 123.Specifically：
The fixing end of switch element 121 is connected with terminal interface unit 110, the first choice end of switch element 121 and the
One antenna element 122 is connected, and the second selection end of switch element 121 is connected with the second antenna element 123, switch element 121, uses
According to the first object link between antenna switching signal conduction terminal interface unit 110 and first antenna unit 122, or
Second Target Link between the antenna element 123 of conduction terminal interface unit 110 and second.
First antenna unit 122 is connected with switch element 121 and tuned cell 130 respectively, and first antenna unit 122 is used for
If first object link is switched on, the antenna element as Target Wireless unit 210.
Second antenna element 123 is connected with switch element 121, if the second antenna element 123 is used for the second Target Link quilt
Conducting, the antenna element as Target Wireless unit 210.
As a kind of possibility realized of the present embodiment, the second antenna element 123 is connected with coordination unit 130 (not to be shown in figure
Go out), or the second antenna element 123 is connected (not shown) with the second coordination unit, the function of second coordination unit
It is identical with the coordination unit 130 with operation principle.
With Target Wireless unit 210 for WiFi units, first antenna unit 122 is for improving the transmission of WiFi cell datas
The antenna element of efficiency is generated corresponding with WiFi units for example, by being operated to antenna selecting unit 140
First electric signal, and first electric signal is sent to terminal 200 by terminal interface unit 110, make terminal 200 according to first
Electric signal generates antenna switching signal, and according to the WiFi units and built-in aerial inside antenna switching signal disconnected end 200
Between the first link, and antenna switching signal is sent to switch element 121 so that switch element 121 turns on first antenna
Target Link between unit 122 and WiFi units.Terminal 200 by external antenna interface unit 210 to terminal interface list
The connected transmission frequency Regulate signal of tuned cell 130 of member 110, tuned cell 120 receive frequency adjusting signals regulation, and root
The resonant frequency of first antenna unit 122 is adjusted according to frequency adjusting signals, makes the resonant frequency and WiFi of first antenna unit 122
Unit matches.
It should be noted that Target Wireless unit 221 and built-in day that antenna switching signal is used for inside disconnected end 200
The first link between line.Meanwhile antenna switching signal carries resonant frequency information corresponding to Target Wireless unit 221.According to
The resonant frequency information controlling switch unit 121 selection conducting first object link, or the second Target Link of conducting.
It is understood that when the second antenna element 123 is the antenna list for improving WiFi cell data efficiencies of transmission
Member, and during corresponding with the Target Wireless unit 221 resonant frequency information match of resonant frequency of the second antenna element 123, eventually
Antenna switching signal is sent to switch element 121 by end 200 so that switch element 121 turns on the second antenna element 123 and WiFi
Target Link between unit.
As a kind of possibility realized of the present embodiment, first antenna unit 122 and the second antenna element 123 respectively it is corresponding not
Same frequency band.
For example, first antenna unit 122 is high band antenna, the second antenna element 123 is low-frequency range antenna.
When need target antenna unit be low frequency end antenna element when, by operating antenna selecting unit 140, Jin Ersheng
Into the first electric signal corresponding with target antenna unit, terminal 200 generates antenna switching signal according to first electric signal, and then
Link between target antenna unit and built-in aerial 222 is disconnected according to antenna switching signal, and the antenna switching signal is sent out
Switch element 121 is given, controlling switch unit 121 is selected the second Target Link of conducting according to the antenna switching signal.
It is understood that in all embodiments of the invention, the antenna that terminal 200 generates according to the first electric signal is cut
It can generate corresponding antenna switching signal according to the first electric signal by the control unit 230 in terminal 200 to change signal, by
It is used for the disconnection for controlling first link 220, and control first object link or the second Target Link in antenna switching signal
Conducting, so after control unit 230 generates corresponding antenna switching signal according to the first electric signal, control unit 230 is according to this
Antenna switching signal controls the disconnection of the first link 220, and passes through external antenna interface unit 210 and terminal interface unit 110
The antenna switching signal is sent to switch element 121 so that switch element 121 is according to the target carried in antenna switching signal
Resonant frequency information selection conducting first object link or the second Target Link corresponding to radio-cell 221.Because antenna switches
Resonant frequency corresponding to the Target Wireless unit 221 carried in signal is believed, so control unit 230 generates according to the first electric signal
After corresponding antenna switching signal, control unit 230 believes generation frequency adjusting signals always according to resonant frequency.Control unit 230
By external antenna interface unit 210 and terminal interface unit 110 to the transmission frequency Regulate signal of tuned cell 130 so that institute
State tuned cell 130 according to the frequency adjusting signals adjust first antenna unit resonant frequency or the second antenna element it is humorous
Vibration frequency.
In actual applications, in the antenna element 123 of first antenna unit 121 or second in external antenna device 100
Antenna body be Collapsible structure, i.e. antenna body can be elongated or shorten.Accordingly, the wire rod of antenna body is coaxial
Line, the coaxial line can be 50 ohm of standard coaxial lines.
Fig. 4 is the schematic diagram of terminal interface unit in a kind of external antenna device provided in an embodiment of the present invention.Such as Fig. 4 institutes
Show, as a kind of implementation of the present invention, terminal interface unit 110 includes：Resonance signal end (MIPI_CLK, MIPI_DAT),
First control terminal GPIO, the second control terminal ANT, Enable Pin EINT and radio-cell switch terminal ADC_DET.
Resonance signal end (MIPI_CLK, MIPI_DAT) is used to connect tuned cell 130, and the first control terminal GPIO is used to connect
Antenna element 120 is connect, the second control terminal ANT is used to pass through external antenna interface unit linking objective antenna element 221, Enable Pin
EINT is used for the connection status of detection terminal interface unit 110 and external antenna interface unit 210, radio-cell switch terminal ADC_
DET is used to connect antenna selecting unit 140.
As a kind of possibility realized of the present embodiment, the Enable Pin EINT of terminal interface unit 110 can be examined by setting
Measuring resistance, terminal interface unit 110 and external antenna interface unit 210 are judged according to the voltage signal at the detection resistance both ends
Connection status.
Specifically, the first end of detection resistance is connected with power supply, the second end and the phase of terminal interface unit 110 of detection resistance
Connect and form a node, the electric signal on the node is used to describe detection terminal interface unit 110 and the external antenna of terminal 200
The connection status of interface unit 210.For example, when on the node being low level signal, then the terminal interface unit is identified as
110 are not connected with external antenna interface unit 210, i.e., are off-state between external antenna device 100 and terminal 200.When
When being high level signal on the node, then be identified as the terminal interface unit 110 with the phase of external antenna interface unit 210
Even, i.e., it is connection status between external antenna device 100 and terminal 200.
When external antenna device 100 is connected by the terminal interface unit 110 with terminal 200, detection resistance and end
The connected node power on signal of end interface unit 110 is changed into high level signal from low level signal.When terminal 200 detects the height
During level signal, then allow to receive first electric signal.Terminal generates antenna switching signal according to first electric signal, and
The first link 220 between Target Wireless unit 221 and built-in aerial 222 is disconnected according to the antenna switching signal, and by described in
Antenna switching signal is sent to switch element 121.Switch element 121 is according to the Target Wireless carried in the antenna switching signal
Resonant frequency information corresponding to unit 221 selects the frequency band most suitable antenna element (antenna of first antenna unit 122 or second
Unit 123).
When switch element 121 turns on first object link according to antenna switching circuit, control unit 230 is cut according to antenna
Change corresponding to the Target Wireless unit 221 carried in signal resonant frequency information and export corresponding frequency adjusting signals, and by institute
State frequency adjusting signals and be sent to tuned cell 130, tuned cell 130 is adjusted first antenna unit according to frequency adjusting signals
122 resonant frequency, the resonant frequency and Target Wireless unit 221 for making first antenna unit 122 match.
It should be noted that in all embodiments of the invention, when external antenna device 100 separates with terminal 200,
Terminal 200 is not detected by the high level signal on the connected node of terminal interface unit 20, then control targe radio-cell 221 with
The first link-recovery conducting between built-in aerial 222.
It is understood that in actual applications, it is corresponding with terminal interface unit 110 by being set in terminal 200
External antenna interface unit 210, realize that external antenna device 100 is connected by terminal interface unit 110 with terminal 200.Wherein,
Terminal interface unit 110 is male and female in correspondence with each other with external antenna interface unit 210.
Fig. 5 shows terminal interface unit and day line selection in a kind of external antenna device that another embodiment of the present invention provides
Select a kind of physical circuit of unit.
As shown in figure 5, toggle switch 30 includes variable resistor RX.
Variable resistor RX the first termination power vd D, variable resistor RX the second end ground connection, variable resistor RX the 3rd end
It is connected with terminal interface unit 20, variable resistor RX is used to adjust the first electric signal by adjusting the set location at the 3rd end
Magnitude of voltage, terminal 200 is set to generate antenna switching signal according to the magnitude of voltage of the first electric signal.
Further, such as Fig. 5, variable resistor RX the 3rd end and the radio-cell switch terminal ADC_ of terminal interface unit 20
DET is connected, and by changing the position at the 3rd end, switches so as to change variable resistor RX and the radio-cell of terminal interface unit 20
The magnitude of voltage between ADC_DET is held, and then generates antenna switching signal corresponding with the first electric signal.
Fig. 6 shows terminal interface unit and day line selection in a kind of external antenna device that another embodiment of the present invention provides
Select unit another kind physical circuit.As shown in fig. 6, toggle switch 30 includes resistance switching circuit 31, resistance switching circuit 31 is wrapped
Multiple resistance (R1, R2 ..., Rn) are included, n is positive integer.
Multiple resistance (R1, R2 ..., Rn) are sequentially connected in series to form resistance switching circuit 31, the of resistance switching circuit 31
One input is connected with power vd D, the second input end grounding of resistance switching circuit 31, and resistance switching circuit 31 includes multiple defeated
Go out end, multiple output ends are selected one and are connected with terminal interface unit 20, and resistance switching circuit 31 is used for by switching multiple output ends
To adjust the magnitude of voltage for changing the first electric signal, terminal 200 is set to generate antenna switching signal according to the magnitude of voltage of the first electric signal.
As shown in fig. 6, in multiple resistance (R1, R2 ..., Rn) of composition resistance switching circuit 31, first resistance R1's
First end is the first input end of resistance switching circuit 31, and first resistance R1 the second end is connected with time resistance R2 first end,
By that analogy, last resistor Rn first end is connected with previous resistance Rn-1 the second end, then last resistor Rn
Second end is the second input of resistance switching circuit 31.In multiple resistance (R1, R2 ..., Rn), per two adjacent resistance
Between the node that is connected to form be resistance switching circuit 31 multiple output ends.
A kind of external antenna device that the present embodiment provides, including：Terminal interface unit, for the external antenna with terminal
Interface unit is connected；Antenna element, it is connected with the port unit；Tuned cell, respectively with the terminal interface unit
It is connected with the antenna element, the tuned cell is used for the frequency adjusting signals that receiving terminal is sent, and according to the frequency
Regulate signal adjusts the resonant frequency of the antenna element.The efficiency of terminal wireless communication can be improved.
By setting detection resistance so that when external antenna device separates with terminal, make terminal control Target Wireless list
Member turns on the first link-recovery between built-in aerial, ensure that the normal use of terminal.
Fig. 7 shows a kind of implementation process of the connection method of external antenna device provided in an embodiment of the present invention.Such as Fig. 7
It is shown, a kind of connection method of external antenna device, including：
S101：The first electric signal is sent to the terminal, the terminal is generated antenna according to first electric signal and cuts
Change signal.
External antenna device sends the first electric signal to the terminal, the terminal is generated according to first electric signal
Antenna switching signal.
In step S101, the first electric signal is used for the current attribute for describing the external antenna device.The antenna is cut
Change signal and carry resonant frequency information corresponding to the Target Wireless unit.
It should be noted that in the present embodiment, terminal includes being used for the external antenna interface for connecting external antenna device
Unit, Target Wireless unit, built-in aerial and control unit.By changing the magnitude of voltage of the first electric signal, and then change day
The link of Target Wireless unit and built-in aerial pointed by line switching signal.
Further, step S101 is specifically included：It is described to the terminal send the first electric signal, make the terminal according to
First electric signal generates antenna switching signal, and the terminal disconnects the Target Wireless unit according to the switching signal
The first link between the built-in aerial.
It should be noted that by disconnecting the first link between the Target Wireless unit and the built-in aerial, energy
Terminal is enough avoided in the phenomenon chaotic with outlet data transfer after external antenna device.
S102：The antenna switching signal that the terminal is sent is received, according to antenna switching signal conducting and institute
State the Target Link between terminal.
External antenna device receives the antenna switching signal that the terminal is sent, and external antenna device is according to the day
Line switching signal turns on the Target Link between the terminal.
In step s 102, Target Link is the link between Target Wireless unit and external antenna device in terminal.
It should be noted that can include multiple target antenna units in external antenna device, i.e. Target Link can be
Link between Target Wireless unit and single target antenna element or multiple target antenna units, different Target Wireless units
Same antenna element can be corresponded to.
It is understood that after Target Link turns on, the target antenna unit in Target Link is as Target Wireless list
The antenna element of member.
S103：If the frequency adjusting signals that the terminal is sent according to the resonant frequency information are received, according to institute
State frequency adjusting signals regulation resonant frequency.
If external antenna device receives the frequency adjusting signals that the terminal is sent according to the resonant frequency information,
Resonant frequency is adjusted according to the frequency adjusting signals.
In step s 103, resonant frequency information is used for the resonant frequency for describing Target Wireless unit.
Using Target Wireless unit as WiFi units for example, external antenna device to terminal by sending the first telecommunications
Number, terminal is generated antenna switching signal according to the first electric signal.Terminal according to antenna switching signal disconnect WiFi units with it is interior
Put the first link between antenna.The antenna switching signal that external antenna device receiving terminal is sent, according to antenna switching signal
Target Link between conducting and WiFi units.External antenna device receives the frequency that WiFi units are sent according to resonant frequency information
Rate Regulate signal, and adjust resonant frequency according to frequency adjusting signals so that the resonant frequency of external antenna device and WiFi are mono-
Member matches.
Another object of the present invention, which also resides in, provides a kind of terminal 200, for connecting external antenna device.As shown in fig. 7,
Terminal 200 includes：External antenna interface unit 210, Target Wireless unit 221, built-in aerial 222 and control unit 230.
External antenna interface unit 210 is used to connect external antenna device 100.The 100 above-mentioned implementation of external antenna device
External antenna device 100 in example.
Target Wireless unit 221, the first link 220 is connected to form with built-in aerial 222, Target Wireless unit 221 is used for
To the transmission frequency Regulate signal of external antenna device 100, external antenna device 100 is set to be adjusted according to the frequency adjusting signals humorous
Vibration frequency.
Control unit 230, it is connected with external antenna interface unit 210, control unit 230 is connected with the first link 220, control
Unit 230 processed is used for the first electric signal for receiving the transmission of external antenna device 100, and antenna switching is generated according to the first electric signal
Signal simultaneously disconnects the first link 220 according to antenna switching signal, and antenna switching signal is sent into external antenna device 100.
As a kind of possibility realized of the present embodiment, external antenna device 100 is on the shell of terminal 200.
Due to the content related to the present invention of terminal 200 that the present embodiment provides and implementation in the above
It is described in detail, therefore here is omitted.
In such scheme, external antenna device includes：Terminal interface unit, for the external antenna interface unit with terminal
It is connected；Antenna element, it is connected with the port unit；Tuned cell, respectively with the terminal interface unit and the day
Line unit is connected, and the tuned cell is used for the frequency adjusting signals that receiving terminal is sent, and according to the frequency adjusting signals
Adjust the resonant frequency of the antenna element.The efficiency of terminal wireless communication can be improved.
Those of ordinary skill in the art are it is to be appreciated that the list of each example described with reference to the embodiments described herein
Member and algorithm steps, it can be realized with electronic hardware, computer software or the combination of the two, in order to clearly demonstrate hardware
With the interchangeability of software, the composition and step of each example are generally described according to function in the above description.This
A little functions are performed with hardware or software mode actually, application-specific and design constraint bar depending on technical scheme
Part.Professional and technical personnel can realize described function using distinct methods to each specific application program, still
This realization is it is not considered that beyond the scope of this invention.
It is apparent to those skilled in the art that for convenience of description and succinctly, the end of foregoing description
End and the specific work process of unit, may be referred to the corresponding process in preceding method embodiment, will not be repeated here.
In several embodiments provided herein, it should be understood that disclosed terminal and method, it can be passed through
Its mode is realized.For example, device embodiment described above is only schematical, for example, the division of unit, is only
A kind of division of logic function, can there is an other dividing mode when actually realizing, for example, multiple units or component can combine or
Person is desirably integrated into another system, or some features can be ignored, or does not perform.In addition, it is shown or discussed it is mutual it
Between coupling or direct-coupling or communication connection can be INDIRECT COUPLING or communication link by some interfaces, device or unit
Connect or electricity, mechanical or other forms connections.
Step in present invention method can be sequentially adjusted, merged and deleted according to actual needs.
Unit in terminal of the embodiment of the present invention can be combined, divided and deleted according to actual needs.
The unit illustrated as separating component can be or may not be physically separate, be shown as unit
Part can be or may not be physical location, you can with positioned at a place, or can also be distributed to multiple networks
On unit.Some or all of unit therein can be selected to realize the mesh of scheme of the embodiment of the present invention according to the actual needs
's.
More than, it is only embodiment of the invention, but protection scope of the present invention is not limited thereto, and it is any to be familiar with
Those skilled in the art the invention discloses technical scope in, various equivalent modifications or substitutions can be readily occurred in,
These modifications or substitutions should be all included within the scope of the present invention.Therefore, protection scope of the present invention should be wanted with right
The protection domain asked is defined.
Claims (10)
1. a kind of external antenna device, it is characterised in that the external antenna device includes：
Terminal interface unit, for being connected with the external antenna interface unit of terminal；
Antenna element, it is connected with the terminal interface unit；
Tuned cell, it is connected respectively with the terminal interface unit and the antenna element, the tuned cell is used to receive end
The frequency adjusting signals sent are held, and the resonant frequency of the antenna element is adjusted according to the frequency adjusting signals.
2. external antenna device according to claim 1, it is characterised in that the external antenna device also includes day line selection
Select unit；
The antenna selecting unit is connected with the terminal interface unit, and the antenna selecting unit is used to generate the first telecommunications
Number, and first electric signal is sent to the terminal by the terminal interface unit, make the terminal according to described
One electric signal generates antenna switching signal, and the Target Wireless unit of the terminal inner is disconnected according to the antenna switching signal
The first link between built-in aerial, turn on the Target Link between the Target Wireless unit and the antenna element.
3. external antenna device according to claim 2, it is characterised in that the antenna element includes：Switch element,
One antenna element and the second antenna element；
The fixing end of the switch element is connected with the terminal interface unit, the first choice end of the switch element with it is described
First antenna unit is connected, and the second selection end of the switch element is connected with second antenna element, the switch element,
For turning on the first object between the terminal interface unit and the first antenna unit according to the antenna switching signal
Link, or turn on the second Target Link between the terminal interface unit and second antenna element；
The first antenna unit is connected with the switch element and the tuned cell respectively, and the first antenna unit is used for
If the first object link is switched on, the antenna element as the Target Wireless unit；
Second antenna element is connected with the switch element, if second antenna element is used for second Target Link
It is switched on, the antenna element as the Target Wireless unit.
4. external antenna device according to claim 2, it is characterised in that the antenna selecting unit includes can power transformation
Resistance；
First termination power of the variable resistor, the second end ground connection of the variable resistor, the 3rd end of the variable resistor
It is connected with the terminal interface unit, the variable resistor is described for being adjusted by adjusting the set location at the 3rd end
The magnitude of voltage of first electric signal, the terminal is set to generate the antenna switching signal according to the magnitude of voltage of first electric signal.
5. external antenna device according to claim 2, it is characterised in that the antenna selecting unit includes multiple electricity
Resistance；
The multiple resistance is sequentially connected in series to form resistance switching circuit, first input end and the power supply phase of the resistance switching circuit
Even, the second input end grounding of the resistance switching circuit, the resistance switching circuit includes multiple output ends, the multiple defeated
Go out end and select one and be connected with the terminal interface unit, the resistance switching circuit is used to adjust by switching the multiple output end
The magnitude of voltage of whole first electric signal, the terminal is generated the antenna according to the magnitude of voltage of first electric signal and switch
Signal.
6. external antenna device according to claim 2, it is characterised in that the terminal interface unit includes：Resonance is believed
Number end, the first control terminal, the second control terminal, Enable Pin and radio-cell switch terminal；
The resonance signal end is used to connect the tuned cell, and first control terminal is connected to the antenna element, institute
State the second control terminal to be used to connect the target antenna unit by the external antenna interface unit, the Enable Pin is used to examine
The connection status of the terminal interface unit and the external antenna interface unit is surveyed, the radio-cell switch terminal is used to connect
The antenna selecting unit.
7. a kind of connection method of external antenna device, it is characterised in that the connection method includes：
The first electric signal is sent to the terminal, the terminal is generated antenna switching signal according to first electric signal；Its
In, the antenna switching signal carries resonant frequency information corresponding to the Target Wireless unit；
Receive the antenna switching signal that the terminal is sent and according to antenna switching signal conducting and the terminal it
Between Target Link；
Receive the frequency adjusting signals that the terminal is sent according to the resonant frequency information and adjusted according to the frequency and believed
Number regulation resonant frequency.
8. connection method according to claim 7, it is characterised in that it is described to send the first electric signal to the terminal, make
The terminal generates antenna switching signal according to first electric signal, including：
It is described to send the first electric signal to the terminal, the terminal is generated antenna switching letter according to first electric signal
Number, and the terminal is according to first between the antenna switching signal disconnection Target Wireless unit and the built-in aerial
Link.
9. a kind of terminal, for connecting external antenna device, it is characterised in that the terminal includes：
External antenna interface unit, the external antenna interface unit are used to connect external antenna device, the external antenna dress
It is set to the external antenna device described in any one of claim 1 to 6；
Built-in aerial；
Target Wireless unit, the first link is connected to form with the built-in aerial, the Target Wireless unit is used for described outer
Antenna assembly transmission frequency Regulate signal is connect, the external antenna device is adjusted resonance frequency according to the frequency adjusting signals
Rate；
Control unit, it is connected with the external antenna interface unit, described control unit is connected with first link, the control
Unit processed is used to receive the first electric signal that the external antenna device is sent, and generating antenna according to first electric signal cuts
Change signal and first link is disconnected according to the antenna switching signal, and the antenna switching signal is sent to outside described
Connect antenna assembly.
10. terminal according to claim 9, it is characterised in that described external antenna device is located at the outer of the terminal
On shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710482111.4A CN107394363A (en) | 2017-06-22 | 2017-06-22 | A kind of external antenna device, its connection method and terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710482111.4A CN107394363A (en) | 2017-06-22 | 2017-06-22 | A kind of external antenna device, its connection method and terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107394363A true CN107394363A (en) | 2017-11-24 |
Family
ID=60333544
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710482111.4A Withdrawn CN107394363A (en) | 2017-06-22 | 2017-06-22 | A kind of external antenna device, its connection method and terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107394363A (en) |
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| CN111030727A (en) * | 2019-12-20 | 2020-04-17 | 维沃移动通信有限公司 | Signal receiving and transmitting equipment and electronic equipment |
| CN111565053A (en) * | 2020-05-06 | 2020-08-21 | Oppo广东移动通信有限公司 | Antenna control method, antenna control device, storage medium and terminal |
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