CN110137683A - A kind of antenna, electronic equipment and control method - Google Patents
A kind of antenna, electronic equipment and control method Download PDFInfo
- Publication number
- CN110137683A CN110137683A CN201910442036.8A CN201910442036A CN110137683A CN 110137683 A CN110137683 A CN 110137683A CN 201910442036 A CN201910442036 A CN 201910442036A CN 110137683 A CN110137683 A CN 110137683A
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- China
- Prior art keywords
- antenna
- radiator
- switch
- variable capacitance
- tuning structure
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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
- H01Q1/12—Supports; Mounting means
- H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
-
- 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
- H01Q1/2258—Supports; Mounting means by structural association with other equipment or articles used with computer equipment
-
- 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
- H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
- H01Q5/10—Resonant antennas
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
- H01Q5/30—Arrangements for providing operation on different wavebands
- H01Q5/307—Individual or coupled radiating elements, each element being fed in an unspecified way
- H01Q5/314—Individual or coupled radiating elements, each element being fed in an unspecified way using frequency dependent circuits or components, e.g. trap circuits or capacitors
- H01Q5/328—Individual or coupled radiating elements, each element being fed in an unspecified way using frequency dependent circuits or components, e.g. trap circuits or capacitors between a radiating element and ground
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
- H01Q5/30—Arrangements for providing operation on different wavebands
- H01Q5/307—Individual or coupled radiating elements, each element being fed in an unspecified way
- H01Q5/314—Individual or coupled radiating elements, each element being fed in an unspecified way using frequency dependent circuits or components, e.g. trap circuits or capacitors
- H01Q5/335—Individual or coupled radiating elements, each element being fed in an unspecified way using frequency dependent circuits or components, e.g. trap circuits or capacitors at the feed, e.g. for impedance matching
Abstract
This application provides a kind of antennas, comprising: radiator；Variable capacitance, one end are connected for first point with the radiator, other end ground connection, and the effective length of the variable capacitance and radiator is adapted with resonance；Load point can be connected by the different location with radiator with FD feed.In this programme, the aerial radiation body length is adjustable, it is connected by load point with radiator different location, realize the length of adjustment radiator, and the different length of radiator can correspond to different band supports, the band support of adjustment antenna is then realized by adjusting length, and the resonance frequency of adjustment antenna is realized by adjusting the capacitance in variable capacitance access antenna, more antenna frequency-division sections are needed to support different frequency ranges in compared with the existing technology, antenna structure is simpler, and occupied space is smaller, conducive to the spatial design in portable equipment, improve the space utilization rate of equipment.
Description
Technical field
This application involves field of electronic devices, and more specifically, it relates to a kind of antenna, electronic equipment and control methods.
Background technique
Usually there is different types of antenna on electronic equipment, their covering frequence is not also identical, meanwhile, current equipment
It usually include more antennas, in this way, the design of antenna reforms into problem to be solved.
Summary of the invention
In view of this, solution can only lead in the prior art this application provides a kind of antenna, electronic equipment and control method
The problem of excessive branch antenna frequency-division section supports different frequency ranges, this causes the spatial design in portable equipment to be affected.
To achieve the above object, the application provides the following technical solutions:
A kind of antenna, comprising:
Radiator；
Variable capacitance, one end are connected for first point with the radiator, other end ground connection, the variable capacitance and radiator
Effective length is adapted with resonance；
Load point can be connected by the different location with radiator with FD feed.
Preferably, above-mentioned antenna, the radiator include:
First radiator；
The switch set being connected with first radiator, the closing based on either switch in the switch set is so that feedback
First radiator described in the signal feed-in of access point.
Preferably, above-mentioned antenna, the switch set include:
At least two switches in parallel；
One end of either switch is connected with load point, and the other end is connected with the first radiator, first switch and described first
The first position of radiator is connected, and second switch is connected with the second position of first radiator, the first position and institute
State second position difference.
Preferably, above-mentioned antenna, further includes:
The ground connection being connected with the radiator.
Preferably, above-mentioned antenna, further includes: tuning structure；
One end of the tuning structure is connected with radiator, other end ground connection；
The tuning structure is used to cooperate with the variable capacitance, to adjust the resonance frequency of the antenna.
Preferably, above-mentioned antenna, the tuning structure include at least one switch.
Preferably, above-mentioned antenna, the tuning structure include: the combination of at least one switch and match circuit；
The match circuit is used to adjust the impedance of the antenna and adjusts the humorous of the antenna with the variable capacitance
Vibration frequency.
A kind of electronic equipment, comprising:
Ontology, controller and antenna；
Wherein, the controller and the antenna are set in the ontology；The antenna is connected with the controller；
Wherein, the antenna, comprising: radiator；Variable capacitance, one end are connected for first point with the radiator, the other end
The effective length of ground connection, the variable capacitance and radiator is adapted with resonance；Load point can pass through the difference with radiator
Position is connected with FD feed.
Preferably, above-mentioned electronic equipment, further includes: tuning structure；
One end of the tuning structure is connected with radiator, other end ground connection；
The tuning structure is used to cooperate with the variable capacitance, to adjust the resonance frequency of the antenna.
A kind of control method, the method are applied to such as the described in any item electronic equipments of claim 8-9, the method
Include:
Obtain antenna requirements information；
Control instruction is generated according to the demand information；
The radiation body length harmony vibration frequency of adjustment antenna is controlled, based on the control instruction to realize the frequency of adjustment antenna
Section and resonance frequency.
It can be seen via above technical scheme that compared with prior art, this application provides a kind of antennas, comprising: radiation
Body；Variable capacitance, one end are connected for first point with the radiator, other end ground connection, the variable capacitance and radiator it is effective
Length is adapted with resonance；Load point can be connected by the different location with radiator with FD feed.In the present solution, should
Aerial radiation body length is adjustable, is connected by load point with radiator different location, realizes the length of adjustment radiator, and radiates
The different length of body can correspond to different band supports, then the band support of adjustment antenna is realized by adjusting length, and
By adjusting variable capacitance access antenna in capacitance realize adjustment antenna resonance frequency, compared with the existing technology in need
More antenna frequency-division sections support different frequency ranges, and antenna structure is simpler, and occupied space is smaller, are conducive to portable equipment
In spatial design, improve the space utilization rate of equipment.
Detailed description of the invention
In order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, 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
The embodiment of application for those of ordinary skill in the art without creative efforts, can also basis
The attached drawing of offer obtains other attached drawings.
Fig. 1 is a kind of structural schematic diagram of antenna embodiment 1 provided by the present application；
Fig. 2 is a kind of another structural schematic diagram of antenna embodiment 1 provided by the present application；
Fig. 3 is a kind of structural schematic diagram of antenna embodiment 2 provided by the present application；
Fig. 4 is a kind of another structural schematic diagram of antenna embodiment 2 provided by the present application；
Fig. 5 is a kind of another structural schematic diagram of antenna embodiment 2 provided by the present application；
Fig. 6 is a kind of structural schematic diagram of antenna embodiment 3 provided by the present application；
Fig. 7 is a kind of another structural schematic diagram of antenna embodiment 3 provided by the present application；
Fig. 8 is a kind of another structural schematic diagram of antenna embodiment 1 provided by the present application；
Fig. 9 is the structural schematic diagram of a kind of electronic equipment embodiment 1 provided by the present application；
Figure 10 is a kind of flow chart of control method embodiment 1 provided by the present application；
Figure 11 is the topology layout schematic diagram of electronic equipment in application scenarios provided by the present application；
Figure 12 is the structural schematic diagram of antenna in application scenarios；
Figure 13 is the circuit that the match circuit of antenna structure in application scenarios provided by the present application uses；
Figure 14 is the efficiency curve diagram of antenna in application scenarios provided by the present application.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present application, technical solutions in the embodiments of the present application carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of embodiments of the present application, instead of all the embodiments.It is based on
Embodiment in the application, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall in the protection scope of this application.
For purposes of illustration only, we are for including 5G antenna in equipment.With 5G (5-Generation, the 5th Dai Yidong
The communication technology) technology development, 5G function be integrated on portable equipment also become trend and strong requirement.
But the communication bandwidth of 5G can become wider, and frequency can be covered from 600MHz to 5.925GHz, give Antenna Design
It brings a lot of trouble.
In the prior art, in order to cover these frequency ranges, antenna is divided into more, frequency-division section supports different frequency scope, with
Increase the bandwidth and efficiency of antenna.
But the more antenna the space occupied are very big, this will lead to spatial design in portable equipment and is affected, equipment
In space utilization rate it is lower.
As shown in Figure 1, it is a kind of structural schematic diagram of antenna embodiment 1 provided by the present application, antenna includes following knot
Structure: radiator 101, variable capacitance 102 and load point 103；
Wherein, one end of variable capacitance 102 is connected for 101 first points with the radiator, the other end ground connection, it is described can power transformation
Hold and the effective length of radiator is adapted with resonance；
Wherein, load point 103 can be connected by the different location with radiator with FD feed.
As shown in Figure 1, two positions can connect load point in the radiator, can be connected in figure using "○" expression
The connection of the radiator 101 and load point 102 is represented by dashed line in the position for connecing load point.
In specific implementation, the position at least two of radiator can connect in the radiator, it can be according to the actual situation
The number and specific location of the link position of selection setting are carried out, to realize the effective length that can control radiator.
It should be noted that load point is connected with the different location of radiator so that in the antenna radiator effective length
Degree changes, so that the working frequency of antenna changes.
It, can be in specific implementation correspondingly, by adjusting the parameter of variable capacitance to achieve the effect that certain frequency band resonances
It is the resonance effect for adjusting its corresponding band corresponding with the working frequency range of the antenna.
Preferably, antenna further include: the ground connection being connected with the radiator.
It is as shown in Figure 2, be a kind of another structural schematic diagram of antenna embodiment 1 provided by the present application, antenna include with
Flowering structure: radiator 201, variable capacitance 202, load point 203 and ground connection 204；
Wherein, the radiator 201, variable capacitance 202, load point 203 are consistent with the structure function in Fig. 1, repeat no more.
Wherein, which is connected with radiator 201.
To sum up, a kind of antenna is present embodiments provided, the aerial radiation body length is adjustable, not by load point and radiator
It is connected with position, realizes the length of adjustment radiator, and the different length of radiator can correspond to different band supports, then lead to
The band support that adjustment length realizes adjustment antenna is crossed, and realizes and adjusts by adjusting the capacitance in variable capacitance access antenna
All day line resonance frequency, compared with the existing technology in need more antenna frequency-division sections to support different frequency ranges, day knot
Structure is simpler, and occupied space is smaller, conducive to the spatial design in portable equipment, improves the space utilization rate of equipment.
As shown in Figure 3, it is a kind of structural schematic diagram of antenna embodiment 2 provided by the present application, antenna includes following knot
Structure: radiator 301, variable capacitance 302 and load point 303；
It is wherein identical in the structure with embodiment 1 of variable capacitance, it is not repeated them here in the present embodiment.
Wherein, which includes: the first radiator 304 and switch set 305；
Wherein, which is connected with first radiator 304, based on either switch in the switch set
Closing so that the first radiator described in the signal feed-in of load point.
Wherein, there are multiple positions that can be connected with the switch set in the Fig. 3 in the first radiator, indicated using "○"
The position, the position are the position for connecting load point.
Specifically, including multiple switch in the switch set, realized by the closing of switch therein by the load point
Signal feed-in first radiator, and can be realized the effective length for adjusting the radiator.
Specifically, the specific setting of the switch set can be the switch of multiple parallel connections.
Wherein, the switch set includes: at least two switches in parallel；One end of either switch is connected with load point,
The other end is connected with the first radiator, and first switch is connected with the first position of first radiator, second switch with it is described
The second position of first radiator is connected, and the first position is different from the second position.
It is as shown in Figure 4, be a kind of another structural schematic diagram of antenna embodiment 2 provided by the present application, antenna include with
Flowering structure: radiator 401, variable capacitance 402 and load point 403；
Wherein, one end of variable capacitance 402 is connected with the first point A of radiator 401, other end ground connection.Wherein, the radiation
Body 401 includes the first radiator 404 and switch set 405, includes 4 switch S1-S4 in the switch set 405, uses in figure
"○" indicates each position BCDE for switching and being connected with the first radiator, that is, connects the position of load point.In this Fig. 4, switch
S1/S3/S4 is opened, S2 closure, and the effective length of the radiator is A point to the length of the first radiator of the tie point C of switch S2
It spends, first radiator is indicated using heavy line in figure.
It is as shown in Figure 5, be a kind of another structural schematic diagram of antenna embodiment 2 provided by the present application, antenna include with
Flowering structure: radiator 501, variable capacitance 502 and load point 503；
Wherein, which includes the first radiator 504 and switch set 505, includes 4 in the switch set 505
Switch S1-S4 indicates each position BCDE for switching and being connected with the first radiator, the i.e. position of connection load point using "○" in figure
It sets.Wherein, one end of variable capacitance 502 is connected with the first point A of radiator 501, other end ground connection.In this Fig. 5, switch
S1/S2/S3 is opened, S4 closure, and the effective length of the radiator is A point to the length of the first radiator of the tie point E of switch S4
It spends, first radiator is indicated using heavy line in figure, the effective length of the radiator reaches longest at this time.
It should be noted that its antenna efficiency is most at the 1/2,1/4 of operating frequency wavelength for the length of radiator in antenna
It is good, and at 1/3 or 1/8 wavelength, efficiency will reduce even without, so, control antenna length, can control it at certain
The performance boost or reduction of a frequency range.
Therefore, the effective length of the radiator is determined according to its target control frequency range and target control performance,
It in specific implementation, can according to circumstances carry out that the A point and each position for switching and being connected with the first radiator is calculated and determined
The specific setting position of BCDE.
It is as shown in FIG. 6, it is a kind of structural schematic diagram of antenna embodiment 3 provided by the present application, antenna includes following knot
Structure: radiator 601, variable capacitance 602, load point 603 and tuning structure 604；
Wherein, structure and identical, this implementation in embodiment 1,2 of radiator 601, variable capacitance 602, load point 603
It is not repeated them here in example.
It should be noted that radiator in this Fig. 6 use with structure identical in Fig. 4, and each switch is in and beats
Open state, but it is not limited to this.
Wherein, one end of the tuning structure 604 is connected with radiator 601, other end ground connection.
Wherein, which is used to cooperate with the variable capacitance, to adjust the resonance frequency of the antenna.
In specific implementation, which is mainly used for cooperating with variable capacitance, realizes and adjusts resonance frequency, and the tuning
Structure is mainly used for changing the inductance of the antenna, i.e. L (ant) parameter, antenna radiator and load point link position and ground connection
Between length it is longer, the L value is bigger, and resonance frequency is higher；Conversely, the L value is smaller, resonance frequency is lower.
Specifically, the tuning structure can be using such as at least one of flowering structure: switch；Switch and match circuit group
It closes.
In specific implementation, which can be multiple switch, and/or, the combination of multiple switch and match circuit.
The match circuit is used to adjust the impedance of the antenna and adjusts the humorous of the antenna with the variable capacitance
Vibration frequency.
In specific implementation, which is the circuit for including resistance, inductance, capacitor or even some functional chips,
In inductance and capacitor be used for variable capacitance cooperate, adjust the resonance frequency of the antenna.
Such as the calculation formula of the resonance frequency is as follows:
Wherein, f0Indicate the resonance frequency of antenna, which indicates that the inductance of antenna, C indicate the capacitor of antenna.
Specifically, there are two the effects of the match circuit: one is the impedance for adjusting antenna, allows him to be equal to or close to nothing
The output impedance (generally 50 Ω (ohm)) of wire module, to reduce the loss of energy；Second is that the L/C parameter of adjustment antenna, with
Achieve the purpose that adjust resonance frequency.
In specific implementation, it may include two component parts in parallel in the tuning structure, so that being based on the tuning knot
Structure can be realized the length changed between antenna radiator and load point link position and ground connection, the structure of two component parts
Can it is identical (all be switch, or be all switch and match circuit), can also be different.
It is as shown in Figure 7, be a kind of another structural schematic diagram of antenna embodiment 3 provided by the present application, antenna include with
Flowering structure: radiator 701, variable capacitance 702, load point 703 and tuning structure 704.
Wherein, which includes the first radiator 705 and switch set 706, includes 4 in the switch set 706
Switch S1-S4 indicates each position BCDE for switching and being connected with the first radiator, the i.e. position of connection load point using "○" in figure
It sets.One end of variable capacitance 702 is connected with the first point A of radiator 701, other end ground connection.Switch S1/S3/S4 is opened, and S2 is closed
It closes, the effective length of the radiator is A point to the length of the first radiator of the tie point C of switch S2, using heavy line in figure
Indicate first radiator, which includes two switch S5-S6 in parallel, wherein switch S5 is opened, and S6 is closed
It closes, the radiator and load point link position C are related with the inductance L of antenna by the length between S6 and ground connection, adopt in figure
It is indicated with thick dashed line.
It is as shown in Figure 8, be a kind of another structural schematic diagram of antenna embodiment 3 provided by the present application, antenna include with
Flowering structure: radiator 801, variable capacitance 802, load point 803 and tuning structure 804；
Wherein, which includes the first radiator 805 and switch set 806, includes 4 in the switch set 806
Switch S1-S4 indicates each position BCDE for switching and being connected with the first radiator, the i.e. position of connection load point using "○" in figure
It sets.One end of variable capacitance 802 is connected with the first point A of radiator 801, other end ground connection.Switch S1/S3/S4 is opened, and S2 is closed
It closes, the effective length of the radiator is A point to the length of the first radiator of the tie point C of switch S2, using heavy line in figure
Indicate first radiator, which includes switch S5 and match circuit 1, switch S6 and match circuit 2, and the two is simultaneously
Connection, wherein switch S6 is opened, and S5 closure, the radiator and load point link position C pass through S5 and match circuit 1 and ground connection
Between length it is related to the inductance L of antenna, in figure using thick dashed line indicate.
Corresponding with a kind of above-mentioned antenna provided by the present application, present invention also provides the electronic equipments of the application antenna
Embodiment.
As shown in Figure 9, it is the structural schematic diagram of a kind of electronic equipment embodiment 1 provided by the present application, electronic equipment packet
It includes with flowering structure: ontology 901, controller 902 and antenna 903；
Wherein, the controller and the antenna are set in the ontology；The antenna is connected with the controller；
Wherein, the antenna, comprising: radiator；Variable capacitance, one end are connected for first point with the radiator, the other end
The effective length of ground connection, the variable capacitance and radiator is adapted with resonance；Load point can pass through the difference with radiator
Position is connected with FD feed.
Specifically, the controller can be the structure in electronic equipment with information processing capability, control ability, such as CPU
(central processing unit, central processing unit).
Wherein, the structure of the antenna can be with reference to the structure in antenna embodiment provided by the present application, in the present embodiment not
It is described in detail.
Preferably, the electronic equipment, the radiator include:
First radiator；
The switch set being connected with first radiator, the closing based on either switch in the switch set is so that feedback
First radiator described in the signal feed-in of access point.
Preferably, the electronic equipment, the switch set include:
At least two switches in parallel；
One end of either switch is connected with load point, and the other end is connected with the first radiator, first switch and described first
The first position of radiator is connected, and second switch is connected with the second position of first radiator, the first position and institute
State second position difference.
Preferably, the electronic equipment, the antenna further include:
The ground connection being connected with the radiator.
Preferably, the electronic equipment, the antenna further include: tuning structure；
One end of the tuning structure is connected with radiator, other end ground connection；
The tuning structure is used to cooperate with the variable capacitance, to adjust the resonance frequency of the antenna.
Preferably, the electronic equipment, the tuning structure include at least one switch.
Preferably, the electronic equipment, the tuning structure include: the combination of at least one switch and match circuit；
The match circuit is used to adjust the impedance of the antenna and adjusts the humorous of the antenna with the variable capacitance
Vibration frequency.
To sum up, in a kind of electronic equipment provided in this embodiment, aerial radiation body length is adjustable, passes through load point and radiation
Body different location is connected, and realizes the length of adjustment radiator, and the different length of radiator can correspond to different band supports,
The band support of adjustment antenna is then realized by adjusting length, and real by adjusting the capacitance in variable capacitance access antenna
Now adjust antenna resonance frequency, compared with the existing technology in need more antenna frequency-division sections to support different frequency ranges, day
Cable architecture is simpler, and occupied space is smaller, conducive to the spatial design in electronic equipment, improves the space utilization of equipment
Rate.
Corresponding with a kind of above-mentioned antenna provided by the present application, electronic equipment embodiment, present invention also provides the electricity
Control method embodiment in sub- equipment.
As shown in Figure 10, it is a kind of flow chart of control method embodiment 1 provided by the present application, this method is applied to upper
It states in electronic equipment, method includes the following steps:
Step S1001: antenna requirements information is obtained；
Wherein, in the antenna requirements information representation electronic equipment target working frequency range.
Specifically, obtaining the antenna requirements information from the system of electronic equipment.
In specific implementation, system can be monitored, when there is antenna requirements information, obtains the antenna requirements information, to adjust
The whole antenna.
Step S1002: control instruction is generated according to the demand information；
Wherein, it can be analyzed to obtain corresponding target operation frequency range according to the antenna requirements information, then according to the target work
Make frequency range and generate control instruction, which is parameter corresponding with the demand information for controlling the tested rotating platform.
Specifically, step S1002 is the following steps are included: generate Antenna control information according to the demand information；Foundation
The parameter information of the Antenna control information and the antenna generates control instruction.
Wherein, which can be the control information being directly converted to according to the demand information, as this is needed
Ask information be target control working frequency range be 900MHz, then Antenna control information can with characterization control adjustment antenna work frequency
Section is 900MHz.And the parameter information of antenna characterizes the structure of antenna, then and then according to the structural generation of different antennas not
Same control instruction.
Specifically, the parameter information of the antenna be according to switched in its internal variable capacitance, radiator set-up mode and
Position, the setting position mode of tuning structure and its internal composed structure etc. carry out what calculation processing obtained.
Wherein, the control instruction is used to control variable capacitance in the antenna, switchs in switch set in radiator
State or be also used to control tuning structure in the antenna so that the tuning structure and the variable capacitance cooperation adjust
The resonance frequency of the antenna.
Step S1003: controlling the radiation body length harmony vibration frequency of adjustment antenna based on the control instruction, is adjusted with realizing
All day line frequency range and resonance frequency.
In specific implementation, closing for target switch in switch set can control in antenna in radiator according to the control instruction
It closes and other switches disconnects, the capacitance of variable capacitance can also be controlled, target switch in tuning structure can also be controlled
Closure and other switches disconnect.
Specifically, realizing the radiation body length of adjustment antenna by the target switch closure of radiator in control antenna；It is logical
The parameter of inductance capacitance in control antenna is crossed (as adjusted the capacitance of variable capacitance, and/or controlling target switch in tuning structure
Closure), realize adjustment antenna resonance frequency.
For example, such as needing support the communications band of China Mobile, then the resonance frequency of antenna is needed to adjust to 900/1800/
1900/2300MHz, so that the performance of the communications band is more excellent.
To sum up, a kind of control method provided in this embodiment, comprising: obtain antenna requirements information；Believed according to the demand
Breath generates control instruction；The radiation body length harmony vibration frequency of adjustment antenna is controlled, based on the control instruction to realize adjustment
The frequency range and resonance frequency of antenna.In the present solution, generating control instruction according to the antenna requirements information of acquisition, it is based on the control
The radiation body length harmony vibration frequency of line control all day is instructed, and the different length of radiator can correspond to different support frequencies
Section, then by adjusting length realize adjustment antenna band support, compared with the existing technology in need more antenna frequency-division section branch
Different frequency ranges is held, antenna structure is simpler, and occupied space is smaller, conducive to the spatial design in portable equipment, mentions
The high space utilization rate of equipment.
With above-mentioned antenna, electronic equipment and control method embodiment correspondingly, present invention also provides a kind of antennas
Concrete application scene.
As shown in figure 11, it is the topology layout schematic diagram of electronic equipment in concrete application scene, is wrapped in the electronic equipment
Containing four setting area 1101-1104, the antenna in any embodiment can be set in any setting area.
It should be noted that using being illustrated for laptop in Figure 11, it, can be for arbitrarily just in specific implementation
Take the electronic equipment of formula, such as mobile phone, pad, in the application with no restrictions.
Correspondingly, the setting area of antenna is arranged in the electronic equipment, selection region can be carried out according to the actual situation
Several and specific location, in the application with no restrictions.
It should be noted that from the point of view of precision angle, antenna is less than antenna in embodiment 3 in embodiment 2, and embodiment 3
In middle tuning structure only the antenna (structure as shown in Figure 7) of switch be less than in embodiment 3 in tuning structure comprising switch and
The antenna (structure as shown in Figure 8) of match circuit.
In specific implementation, in order to select the antenna of different accuracy according to the actual situation, it can distinguish in the setting area
Different antennas is set, when needing the antenna of lower accuracy, the antenna of structure shown in embodiment 2 can be opened, work as needs
When the antenna of degree of precision, the antenna of structure as shown in Figure 8 can be opened.
Certainly, specifically used which kind of antenna used in the process, it can be selected, not done in the application according to the actual situation
Limitation.
As shown in figure 12, it is the structural schematic diagram of antenna in application scenarios, including foundation structure 1201 and adjustable day
Cable architecture 1202, wherein the adjustable antenna structure is antenna provided herein.In this application scene, the adjustable antenna
Structure is using structure identical in Fig. 8 with antenna embodiment, and each switch is in opening state, but does not limit
In this.
Wherein, which is aerial signal access point, and Q point is ground connection.
Specifically, the circuit that as shown in Fig. 13 match circuit 2 in the adjustable antenna structure uses.Its
In, it include a chip (CONN_J), two capacitors and two inductance in the match circuit, the input terminal IN of the chip (draws
Foot 1) it is connected with the end IO of antenna, output end OUT (pin 2) is connected by capacitor C1 and C2 with the output end of match circuit, should
Output end is irised out with dotted line, which connect with the S6 in Figure 12, and there are two ground connection (GND) to hold (3 He of pin for the chip
4), capacitor C1 is grounded by inductance L1, and capacitor C2 is grounded by inductance L2.Wherein, capacitor C1 and C2 uses 22pF (skin
Method), inductance L1 and L2 use 18nH (nanohenry), and the inductance is grounded respectively.
It should be noted that being only a kind of concrete mode of match circuit shown in the Figure 13, in specific implementation, may be used also
In the form of using other match circuits, in the application with no restrictions.
As shown in figure 14 is the efficiency curve diagram of antenna, and wherein the peak of curve is the efficiency value of resonance frequency.Wherein,
Share the curve that 9 groups of data (BAND frequency range) obtain, which specifically includes: BAND, BAND1.4, BAND2.3,
BAND2.8H,BAND2.8L,BAND2.0,BAND5L,BAND5H,BAND8.Wherein, L represents the low-frequency range in the frequency range, H generation
High band in the table frequency range.In the curve, peak is exactly the efficiency value of resonance frequency, and each curve just represents one
State, a frequency range.It wherein, include high band BAND5H and low-frequency range BAND5L in the frequency range 5, the frequency range is relative to frequency range
For 1.4BAND1.4, peak it is more efficient.The wave band of antenna gets thinner (curve is more), and the efficiency at peak is higher.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other
The difference of embodiment, the same or similar parts in each embodiment may refer to each other.The device provided for embodiment
For, since it is corresponding with the method that embodiment provides, so being described relatively simple, related place is said referring to method part
It is bright.
To the above description of provided embodiment, professional and technical personnel in the field is made to can be realized or use the application.
Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the application.Therefore, the application
It is not intended to be limited to the embodiments shown herein, and is to fit to and principle provided in this article and features of novelty phase one
The widest scope of cause.
Claims (10)
1. a kind of antenna, comprising:
Radiator；
Variable capacitance, one end are connected for first point with the radiator, other end ground connection, the variable capacitance and radiator it is effective
Length is adapted with resonance；
Load point can be connected by the different location with radiator with FD feed.
2. antenna according to claim 1, the radiator include:
First radiator；
The switch set being connected with first radiator, the closing based on either switch in the switch set is so that load point
Signal feed-in described in the first radiator.
3. antenna according to claim 2, the switch set include:
At least two switches in parallel；
One end of either switch is connected with load point, and the other end is connected with the first radiator, first switch and first radiation
The first position of body is connected, and second switch is connected with the second position of first radiator, the first position and described the
Two positions are different.
4. antenna according to claim 1-3, further includes:
The ground connection being connected with the radiator.
5. antenna according to claim 1, further includes: tuning structure；
One end of the tuning structure is connected with radiator, other end ground connection；
The tuning structure is used to cooperate with the variable capacitance, to adjust the resonance frequency of the antenna.
6. antenna according to claim 5, the tuning structure includes at least one switch.
7. antenna according to claim 5, the tuning structure includes: the combination of at least one switch and match circuit；
The match circuit is used to adjust the impedance of the antenna and adjusts the resonance frequency of the antenna with the variable capacitance
Rate.
8. a kind of electronic equipment, comprising:
Ontology, controller and antenna；
Wherein, the controller and the antenna are set in the ontology；The antenna is connected with the controller；
Wherein, the antenna, comprising: radiator；Variable capacitance, one end are connected for first point with the radiator, other end ground connection,
The effective length of the variable capacitance and radiator is adapted with resonance；Load point can pass through the different location with radiator
It is connected with FD feed.
9. electronic equipment according to claim 8, further includes: tuning structure；
One end of the tuning structure is connected with radiator, other end ground connection；
The tuning structure is used to cooperate with the variable capacitance, to adjust the resonance frequency of the antenna.
10. a kind of control method, the method is applied to such as the described in any item electronic equipments of claim 8-9, the method
Include:
Obtain antenna requirements information；
Control instruction is generated according to the demand information；
Based on the control instruction control adjustment antenna radiation body length harmony vibration frequency, with realize adjustment antenna frequency range with
And resonance frequency.
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| CN201910442036.8A CN110137683A (en) | 2019-05-24 | 2019-05-24 | A kind of antenna, electronic equipment and control method |
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| CN201910442036.8A CN110137683A (en) | 2019-05-24 | 2019-05-24 | A kind of antenna, electronic equipment and control method |
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| CN110444885A (en) * | 2019-08-28 | 2019-11-12 | Oppo（重庆）智能科技有限公司 | A kind of antenna module, mobile phone, control method and electronic equipment |
| CN110994178A (en) * | 2019-12-31 | 2020-04-10 | 维沃移动通信有限公司 | Antenna structure and electronic equipment |
| CN112787093A (en) * | 2021-01-04 | 2021-05-11 | 西安闻泰电子科技有限公司 | Antenna assembly and terminal |
| CN113193336A (en) * | 2021-04-06 | 2021-07-30 | 深圳市广和通无线股份有限公司 | Antenna assembly and radio frequency control method |
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| CN1649205A (en) * | 2004-01-26 | 2005-08-03 | 京瓷株式会社 | Antenna using variable capacitance element and wireless communication apparatus using the same |
| JP2009212645A (en) * | 2008-03-03 | 2009-09-17 | Fujitsu Ltd | Wideband antenna |
| CN101809813A (en) * | 2007-08-30 | 2010-08-18 | 脉冲芬兰有限公司 | adjustable multiband antenna |
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| CN1649205A (en) * | 2004-01-26 | 2005-08-03 | 京瓷株式会社 | Antenna using variable capacitance element and wireless communication apparatus using the same |
| CN101809813A (en) * | 2007-08-30 | 2010-08-18 | 脉冲芬兰有限公司 | adjustable multiband antenna |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110444885A (en) * | 2019-08-28 | 2019-11-12 | Oppo（重庆）智能科技有限公司 | A kind of antenna module, mobile phone, control method and electronic equipment |
| CN110994178A (en) * | 2019-12-31 | 2020-04-10 | 维沃移动通信有限公司 | Antenna structure and electronic equipment |
| CN112787093A (en) * | 2021-01-04 | 2021-05-11 | 西安闻泰电子科技有限公司 | Antenna assembly and terminal |
| CN112787093B (en) * | 2021-01-04 | 2023-05-16 | 西安闻泰电子科技有限公司 | Antenna assembly and terminal |
| CN113193336A (en) * | 2021-04-06 | 2021-07-30 | 深圳市广和通无线股份有限公司 | Antenna assembly and radio frequency control method |
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Application publication date: 20190816 |