CN108336509A - Antenna module, electronic equipment and method of controlling antenna - Google Patents
Antenna module, electronic equipment and method of controlling antenna Download PDFInfo
- Publication number
- CN108336509A CN108336509A CN201810124982.3A CN201810124982A CN108336509A CN 108336509 A CN108336509 A CN 108336509A CN 201810124982 A CN201810124982 A CN 201810124982A CN 108336509 A CN108336509 A CN 108336509A
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- Prior art keywords
- antenna structure
- antenna
- resonant frequency
- capacitance
- module
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Classifications
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- 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
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
- H01Q3/26—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture
- H01Q3/30—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture varying the relative phase between the radiating elements of an array
- H01Q3/34—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture varying the relative phase between the radiating elements of an array by electrical means
-
- 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
Abstract
A kind of antenna module of the embodiment of the present application offer, electronic equipment and method of controlling antenna, wherein antenna module includes first antenna structure and the second antenna structure, the wherein described first antenna structure and/or the second antenna structure are equipped with match circuit, and the match circuit includes variable capacitance；The capacitance of the variable capacitance is switched over according to the resonant frequency of operation that the first antenna structure and/or the second antenna structure are presently in, so that the first antenna structure is different from the resonant frequency between the second antenna structure.The embodiment of the present application adjusts the resonant frequency of antenna using variable capacitance, so that the resonant frequency between multiple antennas is different, to reduce the interference between multiple antennas, and then improves the radiation quality of antenna.
Description
Technical field
This application involves technical field of electronic equipment, more particularly to a kind of antenna module, electronic equipment and antenna controlling party
Method.
Background technology
With the raising of the development and electronic equipment intelligence degree of network technology, user can be realized by electronic equipment
More and more functions, such as call, chat, object for appreciation game etc..
Wherein, user realizes the biography of signal in using electronic equipment call, chat process by the antenna of electronic equipment
It is defeated.When antenna uses multi-antenna transmission signal, it be easy to cause and interferes with each other between multiple antennas.
Invention content
A kind of antenna module of the embodiment of the present application offer, electronic equipment and method of controlling antenna, can reduce electronic equipment
Interference between multiple antennas.
The embodiment of the present application provides a kind of antenna module, including first antenna structure and the second antenna structure, wherein：
The first antenna structure and/or the second antenna structure are equipped with match circuit, and the match circuit includes can power transformation
Hold；
The work that the capacitance of the variable capacitance is presently according to the first antenna structure and/or the second antenna structure
It is switched over as resonant frequency, so that the first antenna structure is different from the resonant frequency between the second antenna structure.
The embodiment of the present application also provides a kind of electronic equipment, the electronic equipment includes antenna module and processor,
In：
The antenna module includes first antenna structure and the second antenna structure, the first antenna structure and/or
Two antenna structures are equipped with match circuit, and the match circuit includes variable capacitance；
The operational resonant frequency that the processor is presently according to the first antenna structure and/or the second antenna structure
Rate controls the switching of the capacitance of the variable capacitance, so that the work between the first antenna structure and the second antenna structure
Make resonant frequency difference.
The embodiment of the present application also provides a kind of method of controlling antenna, are applied to electronic equipment, and the electronic equipment includes
Antenna module and processor, wherein：
The antenna module includes first antenna structure and the second antenna structure, the first antenna structure and/or
Two antenna structures are equipped with match circuit, and the match circuit includes variable capacitance；
The method is implemented in the processor, including：
When the first antenna structure and the second antenna structure are in work, the first antenna structure and the is determined
The resonant frequency of operation that two antenna structures are presently in；
According to the resonant frequency of operation, the variable capacitance is switched to corresponding with the resonant frequency of operation default
Capacitance, so that the first antenna structure is different from the resonant frequency between the second antenna structure.
Antenna module provided by the embodiments of the present application, first antenna structure and the second antenna structure, wherein described
One antenna structure and/or the second antenna structure are equipped with match circuit, and the match circuit includes variable capacitance；The variable capacitance
Capacitance switched over according to the resonant frequency of operation that the first antenna structure and/or the second antenna structure are presently in,
So that the first antenna structure is different from the resonant frequency between the second antenna structure.The embodiment of the present application utilizes variable capacitance
The resonant frequency of antenna is adjusted, so that the resonant frequency between multiple antennas is different, to reduce the interference between multiple antennas, Jin Erti
The radiation quality of high antenna.
Description of the drawings
In order to more clearly explain the technical solutions in the embodiments of the present application, make required in being described below to embodiment
Attached drawing is briefly described.It should be evident that the accompanying drawings in the following description is only some embodiments of the present application, for
For those skilled in the art, without creative efforts, it can also be obtained according to these attached drawings other attached
Figure.
Fig. 1 is the structural schematic diagram of electronic equipment provided by the embodiments of the present application.
Fig. 2 is the first structure schematic diagram of electronic equipment provided by the embodiments of the present application.
Fig. 3 is the second structural schematic diagram of electronic equipment provided by the embodiments of the present application.
Fig. 4 is the third structural schematic diagram of electronic equipment provided by the embodiments of the present application.
Fig. 5 is the 4th structural schematic diagram of electronic equipment provided by the embodiments of the present application.
Fig. 6 is the structural schematic diagram of antenna module provided by the embodiments of the present application.
Fig. 7 is another structural schematic diagram of antenna module provided by the embodiments of the present application.
Fig. 8 is another structural schematic diagram of antenna module provided by the embodiments of the present application.
Fig. 9 is another structural schematic diagram of antenna module provided by the embodiments of the present application.
Figure 10 is the 5th structural schematic diagram of electronic equipment provided by the embodiments of the present application.
Figure 11 is the flow diagram of method of controlling antenna provided by the embodiments of the present application.
Figure 12 is the 6th structural schematic diagram of electronic equipment provided by the embodiments of the present application.
Specific implementation mode
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 describes.Obviously, 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, the every other implementation that those skilled in the art are obtained without creative efforts
Example, shall fall in the protection scope of this application.
In the description of the present application, it is to be understood that term "center", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside", " up time
The orientation or positional relationship of the instructions such as needle ", " counterclockwise " is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of
It describes the application and simplifies to describe, do not indicate or imply the indicated device or element must have a particular orientation, with spy
Fixed azimuth configuration and operation, therefore should not be understood as the limitation to the application.In addition, term " first ", " second " are only used for
Purpose is described, relative importance is not understood to indicate or imply or implicitly indicates the quantity of indicated technical characteristic.
" first " is defined as a result, the feature of " second " can explicitly or implicitly include one or more feature.
In the description of the present application, the meaning of " plurality " is two or more, unless otherwise specifically defined.
In the description of the present application, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
Can also be to be electrically connected or can mutually communicate to be mechanical connection；It can be directly connected, it can also be by between intermediary
It connects connected, can be the interaction relationship of the connection or two elements inside two elements.For the ordinary skill of this field
For personnel, the concrete meaning of above-mentioned term in this application can be understood as the case may be.
In this application unless specifically defined or limited otherwise, fisrt feature the "upper" of second feature or "lower"
It may include that the first and second features are in direct contact, can also not be to be in direct contact but pass through it including the first and second features
Between other characterisation contact.Moreover, fisrt feature second feature " on ", " top " and " above " include first special
Sign is right over second feature and oblique upper, or is merely representative of fisrt feature level height and is higher than second feature.Fisrt feature exists
Second feature " under ", " lower section " and " following " include fisrt feature immediately below second feature and obliquely downward, or be merely representative of
Fisrt feature level height is less than second feature.
Following disclosure provides many different embodiments or example is used for realizing the different structure of the application.In order to
Simplify disclosure herein, hereinafter the component of specific examples and setting are described.Certainly, they are merely examples, and
And purpose does not lie in limitation the application.In addition, the application can in different examples repeat reference numerals and/or reference letter,
This repetition is for purposes of simplicity and clarity, itself not indicate between discussed various embodiments and/or setting
Relationship.In addition, this application provides various specific techniques and material example, but those of ordinary skill in the art can be with
Recognize the application of other techniques and/or the use of other materials.
A kind of antenna module of the embodiment of the present application offer, electronic equipment and method of controlling antenna.It will carry out respectively below detailed
It describes in detail bright.The antenna module can be arranged in the electronic equipment, which can be that smart mobile phone, tablet computer etc. are set
It is standby.
It please refers to Fig.1 and Fig. 2, Fig. 1 is the structural schematic diagram of electronic equipment provided by the embodiments of the present application, Fig. 2 is this Shen
Please embodiment provide electronic equipment another structural schematic diagram.The electronic equipment 10 may include cover board 11, display screen 12, electricity
Road plate 13, battery 14, shell 15, camera and unlocked by fingerprint module.It should be noted that Fig. 1 and electronics shown in Fig. 2 are set
Standby 10 are not limited to the above content, can also include other devices, or do not include camera, or do not include unlocked by fingerprint mould
Block.
Wherein, cover board 11 is installed on display screen 12, to cover display screen 12.Cover board 1 can be transparent glass cover plate, with
Just display screen euphotic cover plate 11 is shown.In some embodiments, cover board 11 can be made of materials such as sapphires
Glass cover-plate.
Wherein, which may include center 151 and rear cover 152, and center 151 and rear cover 152 are combined with each other to be formed and be somebody's turn to do
Shell 15, the center 151 and rear cover 152 can form storage space, to store printed circuit board 13, display screen 12, battery 14
Equal devices.Further, cover board 11 can be fixed on shell 15, and the cover board 11 and shell 15 form confined space, to accommodate
The devices such as printed circuit board 13, display screen 12, battery 14.In some embodiments, the lid of cover board 11 is set on center 151, rear cover
152 lids are set on center 151, and cover board 11 and rear cover 152 are located at the opposite face of center 151, cover board 11 and rear cover 152 with respect to setting
It sets.
In some embodiments, shell 15 can be the metals such as metal shell, such as magnesium alloy, stainless steel.It needs to illustrate
, the material of the embodiment of the present application shell 15 is not limited to this, and can also use other manner, such as：Shell 15 can be
Plastic casing.Also such as：Shell 15 is ceramic shell.For another example：Shell 15 may include plastic portions and metal part, shell
15 can be metal and the mutually matched shell structure of plastic cement, specifically, can first forming metal part, such as using injection molding
Mode forms magnesium alloy substrate, and injection moulding plastic, formation plastic substrate then constitute complete shell knot again on magnesium alloy substrate
Structure.
It should be noted that the structure of the embodiment of the present application shell is not limited to this, such as：Rear cover and center are integrally formed
15 structure of shell completed is formed, which directly has a storage space, for storing printed circuit board 13, display screen
12, the devices such as battery 14.
Wherein, which is mounted in shell 15, which can be the master of electronic equipment 10
Plate can be integrated with motor, microphone, loud speaker, earphone interface, Universal Serial Bus Interface, camera shooting on printed circuit board 13
One in the functional units such as head, range sensor, ambient light sensor, receiver and processor, it is two or more.
In some embodiments, which can be fixed in shell 15.Specifically, the printed circuit board 13
It can be screwed on center 151, card can also be fitted on center 151 by the way of buckle by screw.It should be noted that
The embodiment of the present application printed circuit board 13 is specifically not limited to this fixed to the mode on center 151, can with other manner, than
Such as pass through buckle and screw fixed mode jointly.
Wherein, which is mounted in shell 15, and battery 14 is electrically connected with the printed circuit board 13, with to electronics
Equipment 10 provides power supply.Shell 15 can be as the battery cover of battery 14.Shell 15 covers battery 14 to protect battery 14, specifically
Be rear cover covering battery 14 to protect battery 14, reduce battery 14 due to electronic equipment 10 collision, fall etc. and be subject to
Damage.
Wherein, which is mounted in shell 15, meanwhile, which is electrically connected on printed circuit board 13,
To form the display surface of electronic equipment 10.The display screen 12 may include display area and non-display area.The display area can
With for showing the picture of electronic equipment 10 or carry out touching manipulation etc. for user.The top area of the non-display area opens up
For the trepanning of sound and light conduction, the functional groups such as fingerprint module, touch controlled key can be set on the non-display area bottom
Part.Wherein the cover board 11 is installed on display screen 12, to cover display screen 12, can form viewing area identical with display screen 12
Domain and non-display area can also form different display areas and non-display area.
It should be noted that the structure of the display screen 12 is not limited to this.For example, the display screen 12 can be abnormity screen,
Specifically, referring to Fig. 3, Fig. 3 is another structural schematic diagram of electronic equipment provided by the embodiments of the present application.Electronics in Fig. 3
Electronic equipment in equipment and Fig. 1 difference lies in：The electronic equipment 20 include display screen 22, cover board 21, printed circuit board 23,
Battery 24 and shell 25.Wherein display screen 22 is formed with light-permeable region 28 directly over.Specifically, such as：Display screen 22
It is provided with the through-hole for running through display screen 22 in a thickness direction, which may include the through-hole, and lead to the hole site can
The functional units such as front camera, receiver, sensor are arranged.For another example：Display screen 22 is provided with non-display area, this can be saturating
Light region 28 may include the non-display area.Wherein, which is suitble to the structure setting of display screen 22.It needs to illustrate
It is that shell 25 can be refering to upper shell 15, and printed circuit board 23 can join refering to the above printed circuit board 13, battery 24
The above battery 14 is read, details are not described herein.
Referring to Fig. 4, Fig. 4 is the structural schematic diagram of another electronic equipment provided by the embodiments of the present application, the electronics in Fig. 4
Electronic equipment in equipment and Fig. 1 difference lies in：Electronic equipment 30 in Fig. 4 includes display screen 32, cover board 31, printed circuit
Plate 33, battery 34 and shell 35.Wherein, display screen 32 is arranged jagged 121 in its periphery, which can place preposition
The functional units such as camera, receiver, sensor.Wherein, cover board 31 is suitble to the structure setting of display screen 11, which can be
Big notch, the cover boards 31 such as the setting of notch 121 can also cover 121 position of notch.It should be noted that shell 3 can be with
Refering to upper shell 15, printed circuit board 33 can refering to the above printed circuit board 13, battery 34 can refering to the above battery 14,
Details are not described herein.
It should also be noted that, in some embodiments, display screen 12 can not also include non-display area, and be arranged to
The functional units such as range sensor, ambient light sensor can be set to display screen lower section or other positions by screen structure comprehensively
Place.Specifically, referring to Fig. 5, Fig. 5 is another structural schematic diagram of electronic equipment provided by the embodiments of the present application.The electronics is set
Standby 40 include display screen 42, cover board 41, printed circuit board 43, battery 44 and shell 45.Wherein, display screen 42 is covered in shell 45
On, without non-display area.Wherein, cover board 41 is suitble to the size of display screen 42 to be arranged.It should be noted that shell 45 can
With refering to upper shell 15, printed circuit board 43 can be refering to the above battery refering to the above printed circuit board 13, battery 44
14, details are not described herein.
In some embodiments, display screen 12 can be liquid crystal display (Liquid Crystal Display, LCD) or
The display screen of the types such as organic light-emitting diode (OLED) display screen (Organic Light-Emitting Diode, OLED).At some
In embodiment, when display screen 12 is liquid crystal display, electronic equipment 10 can also include backlight module, be not shown in figure backlight
Module, the backlight module can be refering to backlight modules in the prior art.
In some embodiments, electronic equipment 10 can also include antenna structure, be used for receiving and transmitting signal.The antenna structure can
To be installed on shell 15, such as on center 151.The antenna structure can form a fixed connection structure with center 151, be defined as
Antenna module.It is described in detail by taking antenna module as an example below.
Referring to Fig. 6, Fig. 6 is the structural schematic diagram of antenna module provided by the embodiments of the present application.The antenna module can be with
Including antenna structure and carrier.
Wherein, carrier 500 can be used as a shell structure, can be platy structure, it is possible to have storage cavity, the load
Body 500 can be metal material, such as magnesium alloy materials.The carrier 500 or metal and the common injection molding of plastic cement.It needs
It is noted that the carrier 500 can be refering to the above rear cover 502 or the carrier refering to the above center or the carrier 500
500 can be refering to 502 integrally formed structure of the above center and rear cover, and details are not described herein.
In some embodiments, which may include the metal center and rear cover 502 of electronic equipment.Specifically,
The metal center can open up opening on side, if center is divided into stem portion.Wherein, which may include
Side frame 501 and the second side frame 503.The rear cover 502 is connect with the reference ground of electronic equipment, to be grounded.
Wherein, antenna structure may be mounted on carrier 500, which can be with receiving and transmitting signal.In some embodiments
In, the number at least two of antenna structure is illustrated by taking two antenna structures as an example herein.Specifically, antenna structure can
To include first antenna structure 51 and the second antenna structure 52.
Wherein, which can be set to the side of carrier 500, and the second antenna structure 52 can be arranged
In the other side of the carrier 500 relative to first antenna structure 51.In some embodiments, first antenna structure 51 can be used as master
Collect antenna, which can receive and dispatch low-frequency range (700- with receiving and transmitting signal, such as first antenna structure 51
960MHz), at least one of Mid Frequency (1710-2170MHz) and high band (2300-2690MHz) signal signal.It needs
Illustrate, which can also use and receive and dispatch other signals.In some embodiments, first antenna structure 51 also may be used
Using as diversity antenna, for receiving signal.
Likewise, in some embodiments, the second antenna structure 52 can also be used as main collection antenna, second antenna structure
52 can receive and dispatch low-frequency range (700-960MHz), Mid Frequency (1710- with receiving and transmitting signal, such as the second antenna structure 52
2170MHz) and at least one of high band (2300-2690MHz) signal signal.It should be noted that second antenna
Structure 52 can also be used and receive and dispatch other signals.In some embodiments, the second antenna structure 52 can also be used as diversity antenna, be used for
Receive signal.
Specifically, the first antenna structure 51 is arranged at first side frame 501, and make first side frame 501 and electricity
The rear cover 502 of sub- equipment forms first antenna structure 51.Second antenna structure 52 is arranged at the second side frame 503, and makes
It obtains the second side frame 503 and the rear cover 502 of electronic equipment forms the second antenna structure 52.
In some embodiments, which includes power feeding module and earthing module.Specifically, first day
Cable architecture 51 includes the first power feeding module and the first earthing module.First power feeding module and the first earthing module are with
Side frame 501 connects, and is returned so that radiofrequency signal is fed into first side frame 501 and forms signal at first side frame 501
Road so that first side frame 501 carries out signal radiation as the radiator in first antenna structure 51.
Further, which includes the first feed source 521 being sequentially connected in series, the first match circuit 551 and
One contact 541, which carries out resonance matching treatment by radiofrequency signal by the first match circuit 551, and passes through
First contact 541 is fed into first side frame 501.First earthing module includes the first earth point and the second earth point,
In, the first earth point and the second earth point make first side frame 501 pass through the second contact 542 and third contact 543 respectively
It is connect with the reference ground of electronic equipment, and first switch 531 is respectively equipped between the first earth point, the second earth point and reference ground
And second switch 532, switch the cascade unit of antenna structure with the control by first switch 531 and second switch 532, into
And control the resonant frequency of operation of first antenna structure 51.It should be noted that at the first earth point and the second earth point
Other matched match circuits of resonance are may be provided for, relevant indicators are not provided in the attached drawing of the application.
Further, which further includes third earth point 511 and the 4th earth point 512, this
First antenna structure 51 is grounded, leads to by connecting the rear cover 502 of electronic equipment by three earth points 511 and the 4th earth point 512
It crosses and is realizing that the multiplexing of first antenna structure 51 makees the requirement of resonance band with the different distance of the first power feeding module ground connection.
In some embodiments, as first antenna structure 51, second antenna structure 52 include power feeding module and
Earthing module.Specifically, the second antenna structure 52 includes the second power feeding module and the second earthing module.Second power feeding module
And second earthing module connect with the second side frame 503, radiofrequency signal is fed into the second side frame 503 and second
Signal circuit is formed at side frame 503 so that the second side frame 503 carries out signal as the radiator in the second antenna structure 52
Radiation.
Further, which includes that the second feed source 522 being sequentially connected in series, third switch 533 and the 4th connect
Point 544.Specifically, radiofrequency signal is fed into the second side frame 503 by second feed source 522 by the 4th contact 544, this
Three switches 533 are used to that the when of using the second antenna structure 52 as diversity antenna to be needed to connect second feed source 522 and second
The connection of side frame 503.Second earthing module includes the 5th earth point and the 6th earth point 513, and the 5th earth point makes
The second side frame 503 can be connect by the 5th contact 545 with the reference ground of electronic equipment, the 6th earth point 513 connects the
Dual side-edge frame 503 and rear cover 502, so that the second side frame 503 is grounded.
In some embodiments, which further includes the second match circuit 552, and second match circuit
552 are equipped with variable capacitance.Specifically, the resonant frequency of operation that the variable capacitance can be presently according to the second antenna structure 52
It switches over, so that the resonant frequency of the second antenna structure 52 is different from the resonant frequency of first antenna structure 51.
For example, when the resonant frequency of operation that the second antenna structure 52 is presently in belongs to low-frequency resonant frequency, and second day
Cable architecture 52 is worked together with first antenna structure 51 in the low-frequency resonant frequency, and the capacitance of the variable capacitance is switched to
First capacitance, to change the resonant frequency of 52 radiation signals of the second antenna structure so that the second antenna structure 52 it is humorous
Vibration frequency is different from the resonant frequency of first antenna structure 51.
Specifically, the first capacitance that variable capacitance is switched to can be allowed to be operated in other more than the second antenna structure 52
The capacitance of acquiescence when frequency, so that the resonant frequency of the second antenna structure 52 can give birth to originally less than the second feed source 522
At resonant frequency of operation.Thus, it is possible to so that the resonance of the resonant frequency and first antenna structure 51 of the second antenna structure 52
Frequency is different.
Alternatively, the first capacitance that variable capacitance is switched to can be allowed to be operated in other frequencies less than the second antenna structure 52
The capacitance of acquiescence when rate, so that the resonant frequency of the second antenna structure 52 can generate originally higher than the second feed source 522
Resonant frequency of operation.It can equally make the humorous of the resonant frequency of the second antenna structure 52 and first antenna structure 51 as a result,
Vibration frequency is different.
It should be understood that the variable capacitance specifically needs to adjust to smaller capacitance either than default value bigger, with
And the capacitance needs the value changed, and it can be depending on practical situations, the application is not limited thereto.
After capacitance changes in the second match circuit 552 of second antenna structure 52, in addition to the second antenna can be changed
The resonant frequency of structure 52, while also influencing whether the phase of 52 radiation signals of the second antenna structure, to reduce by second day
Envelope correlation coefficient between 51 radiation signals of 52 radiation signals of cable architecture and first antenna structure
(EnvelopeCorrelation Coefficient, ECC), to reduce the second antenna structure 52 and first antenna structure 51
Between signal interference, improve the signal radiation quality of antenna.
In some embodiments, change the value of variable capacitance, can realize capacitance by single tunable capacitor
Change, which can be step-by-step adjustment capacitor, can also be linear regulation capacitor.Such as by with electronic equipment
The connection of middle processor so that processor can control the tunable capacitor to carry out the adjusting of capacitance, and then control second day knot
The change of the resonant frequency of structure 52.
In further embodiments, the combined capacitor which can be made of one or more capacitances,
The change of capacitance is realized by controlling being switched in or out for different capacitances.
Referring to Fig. 7, showing another structure of antenna module described herein in figure.It is equally wrapped in the antenna module
Include first antenna structure 51 and the second antenna structure 52.Wherein, in the second antenna structure 52, which connects
It is connected to the second earthing module.
Specifically, second earthing module is equipped with the second match circuit 552, which includes mutually simultaneously
The matching sub-circuit 552b and variable capacitance of connection, the variable capacitance include the first capacitance 552a and switching switch 552c.Into
One step, which connects with the first capacitance 552a, with the resonant frequency control residing for the second antenna structure 52
It is disconnected to make the first capacitance 552a connecing in the second match circuit 552.
In the capacitance switching for realizing variable capacitance, the first capacitance can be controlled by controlling the switching switch 552c
552a's is switched in or out, to realize that the capacitance of variable capacitance in the second match circuit 552 changes.The example structure is simple,
The switching that capacitance in variable capacitance can be realized by lower cost, reduces the manufacturing cost of product, improves the performance of enterprises.
Specifically, when the second antenna structure 52 is in the first resonant frequency, the first capacitance 552a is made to match electricity with second
Road 552 is in the state of electrical connection, and makes the first capacitance 552a and match sub-circuit 552b parallel connections.Alternatively, when second day knot
When structure 52 is in the second resonant frequency, the first capacitance 552a is made to be in the state for being electrically connected and disconnecting with the second match circuit 552.It needs
It is noted that when antenna to be operated in first resonant frequency in this embodiment, can make first antenna structure 51 with
When be easy to causeing and interfere with each other between the second antenna structure 52, and antenna being operated in second resonant frequency, first antenna
It is interfered with each other between structure 51 and the second antenna structure 52 relative to being operated in the first resonant frequency and cannot be easily caused.
Therefore, when first antenna structure 51 and the second antenna structure 52 are in the first resonant frequency together, second antenna
Set capacitance becomes larger because of the access of the first capacitance 552a in second match circuit 552 of structure 52 so that second day
The resonant frequency of cable architecture 52 was lower than the preset value of the first resonant frequency, and influences the phase of the resonant frequency, to second day
The actual resonance frequency of cable architecture 52 is less than the first resonant frequency that first antenna structure 51 is worked.
And when the second antenna structure 52 is in the second resonant frequency, because of first antenna structure 51 and the second antenna structure 52
Between cannot be easily caused and interfere with each other, so it is not necessary that so that resonant frequency between the two is different, the first electricity can be disconnected at this time
Hold the access of 552a.
Alternatively, when the second antenna structure 52 is in the first resonant frequency, make the first capacitance 552a and the second match circuit
552 in the state disconnected.Alternatively, when the second antenna structure 52 is in the second resonant frequency, make the first capacitance 552a and
Two match circuits 552 are in the state of electrical connection.
It is understood that the mode of the first capacitance 552a of control can there are many kinds of, as long as can change the normal work of script
Default capacitance value when making so that first antenna from the second Antenna Operation in different frequencies, the application does not limit this
It is fixed.
By the differentiation of different resonant frequencies, can according between first antenna structure 51 and the second antenna structure 52 whether
It is easy to cause and interferes with each other, and the capacitance of variable capacitance is targetedly switched so that reduce antenna interference realizing
Under the premise of, ensure the signal radiation efficiency of other resonant frequencies.
In some embodiments, the first above-mentioned resonant frequency can be the low frequency positioned at low-frequency range (700-960MHz)
Resonant frequency, and the second resonant frequency can be the intermediate frequency resonant frequency positioned at Mid Frequency (1710-2170MHz), or be located at
The high-frequency resonant frequency of high band (2300-2690MHz).
Low-frequency resonant frequency be easy to cause the interference between multiple antennas, can power transformation by changing this under low-frequency resonant frequency
The capacitance of appearance can effectively reduce interference, improve the efficiency of transmission of antenna.And interfere with each other less intermediate frequency resonant frequency or
Under person's high-frequency resonant frequency, the resonant frequency of first antenna structure 51 and the second antenna structure 52 is consistent, Ke Yibao
Demonstrate,prove the signal radiation efficiency of the antenna structure.
Therefore, it realizes to frequency-division section the adjusting of variable capacitance, can antenna preferably be optimized according to different frequency range environment
Radiation quality, improve day line traffic control intelligence degree.
It should be understood that about the specific of first antenna structure 51, the second antenna structure 52 and its relevant other structures
Tool in the position of position, shape, parameter, such as antenna structure, thickness, length or mentioned, unmentioned circuit module
Body circuit structure etc. can be set, changed or be replaced according to the actual conditions combination prior art, the embodiment of the present application
This is not construed as limiting.
Referring to Fig. 8, showing another structure of antenna module provided by the embodiments of the present application in figure.
Compared to Fig. 7, difference is on the first earth point of first antenna structure 51 antenna module, is equipped with third
With circuit 553, which is arranged on the third match circuit 553.Specifically, the variable capacitance matches electricity with the third
Matching sub-circuit 553b in road 553 is in parallel, which includes the second capacitance 553a and switching switch 553c.And
On 5th earth point of two antenna structures 52, which passes through the reference ground of the 5th contact 545 and electronic equipment
Connection.
The other structures of the antenna module and the structure shown in Fig. 7 are same or similar, and the control of the variable capacitance
Mode and the control mode disclosed in Fig. 7 embodiments are same or similar.Therefore, it in order to avoid repeating, is tied about other in Fig. 8
The description of structure can be directly with reference to the description in Fig. 7.
The embodiment of the present application is by changing the resonant frequency of first antenna structure 51, so that first antenna structure 51 and the
Resonant frequency between two antenna structures 52 is different, equally may be implemented to reduce the interference between multiple antennas, and then improve antenna
The technique effect of radiation quality.
Referring to Fig. 9, showing another structure of antenna module provided by the embodiments of the present application in figure.
Compared to Fig. 7, difference is on the first earth point of first antenna structure 51 antenna module, is equipped with third
With circuit 553, and on the 5th earth point of second antenna structure 52, it is again provided with the second match circuit 552.The variable capacitance
It is arranged on second match circuit 552 and third match circuit 553.
The other structures of the antenna module and the structure shown in Fig. 7-8 are same or similar, and the control of the variable capacitance
Mode processed and the control mode disclosed in Fig. 7-8 embodiments are same or similar.Therefore, in order to avoid repeating, about its in Fig. 9
The description of his structure can be directly with reference to the description in Fig. 7-8.
The embodiment of the present application is by simultaneously or separately changing the humorous of first antenna structure 51 and the second antenna structure 52
Vibration frequency equally may be implemented to subtract so that the resonant frequency between first antenna structure 51 and the second antenna structure 52 is different
Interference between few multiple antennas, and then improve the technique effect of the radiation quality of antenna.
Referring to Fig. 10, showing the 5th structure of electronic equipment provided by the embodiments of the present application in figure.The electronic equipment
Including antenna module and processor 560.
Wherein, the specific implementation of the antenna module is referred to the antenna module described in Fig. 7-9.
The processor 560 is connect with the second match circuit 552 in the antenna module, which includes
Variable capacitance, the processor 560 control the capacitance switching of the variable capacitance.
Specifically, in some embodiments, which includes that the first capacitance 552a being serially connected and switching are opened
Close 552c.Further, which controls switching switch, with the resonant frequency residing for the second antenna structure 52
It is disconnected to control the first capacitance connecing in the second match circuit 552.
In some embodiments, which is used for when the second antenna structure 52 is in the first resonant frequency, control
Switch switch 552c to connect, so that the first capacitance 552a is in the state being electrically connected with the second match circuit 552, and make the first capacitance
552a with to match sub-circuit 552b in parallel.
In further embodiments, which is additionally operable to when the second antenna structure 52 is in the second resonant frequency,
Control switching switch 552c is disconnected, and the first capacitance 552a is made to be in the state for being electrically connected and disconnecting with match circuit.
In some embodiments, which is low-frequency resonant frequency, which is intermediate frequency resonance
Frequency or high-frequency resonant frequency.
In some embodiments, first antenna structure 51 and the second antenna structure 52 include power feeding module and ground connection
Module, the match circuit are located on earthing module.
It should be understood that in addition to the antenna structure in electronic equipment shown in the drawings, which can also be such as figure
Antenna structure shown in 8-9.
The particular content of the antenna structure can be with the description in reference chart 7-9, and details are not described herein by the application.
Electronic equipment in the embodiment of the present application adjusts the resonant frequency of antenna using variable capacitance, so that multiple antennas
Between resonant frequency it is different, to reduce the interference between multiple antennas, and then improve the radiation quality of antenna.
1 is please referred to Fig.1, a kind of method of controlling antenna provided by the embodiments of the present application is shown in figure, the antenna controlling party
Method can be used in the electronic equipment as described in Fig. 1-5 and Figure 10.
The electronic equipment includes antenna module and processor, wherein the antenna module includes first antenna structure and
Two antenna structures, the first antenna structure and/or the second antenna structure are equipped with match circuit, which includes can power transformation
Hold；
Resonant frequency of operation of the processor residing for first antenna structure and/or the second antenna structure, control are variable
The switching of the capacitance of capacitance, so that the resonant frequency between first antenna structure and the second antenna structure is different.
When this method is applied on an electronic device, may operate in the operating system of electronic equipment, it may include but it is unlimited
In Windows operating system, Mac OS operating systems, Android operation system, IOS operating system, (SuSE) Linux OS,
Ubuntu operating systems, Windows Phone operating systems etc., the embodiment of the present application does not limit.
A kind of method of controlling antenna, includes the following steps：
601, when the first antenna structure and the second antenna structure are in working condition, first antenna structure is determined
The resonant frequency of operation being presently in the second antenna structure；
Wherein, which can be that first antenna structure and the second antenna structure are residing in work at present
Resonant frequency, the resonant frequency can be located at low-frequency range (700-960MHz), Mid Frequency (1710-2170MHz) or high frequency
In section (2300-2690MHz).
In some embodiments, the resonant frequency of operation that first antenna structure and the second antenna structure are presently in, can be with
It is obtained in the frequency setup parameter current from electronic equipment, can also be to be obtained by other means, as detected currently
Resonant frequency value, specific implementation can be set according to the prior art.
602, according to the resonant frequency of operation of the first antenna structure and the second antenna structure, by variable capacitance switch to
The corresponding predetermined capacitance of the resonant frequency of operation, so that the resonant frequency between first antenna structure and the second antenna structure is not
Together.
Wherein, which refers to first antenna structure either the second antenna structure to work normally at this
When resonant frequency of operation, the capacitance that is set in advance.
In some embodiments, if match circuit in electronic equipment includes matching sub-circuit, and match sub-circuit with
The variable capacitance is in parallel, which includes that the first capacitance and switching switch, when switching switch is connected with the first capacitance.It will
Variable capacitance switches to the step of predetermined capacitance corresponding with the resonant frequency of operation, may include：
According to the resonant frequency residing for first antenna structure and/or the second antenna structure, by controlling connecing for switching switch
Break disconnected to control the first capacitance connecing in variable capacitance, to change the capacitance of variable capacitance.
Opening and closing by controlling switching switch changes the capacitance of variable capacitance, can be according to first antenna structure and the
Whether it be easy to cause and interferes with each other between two antenna structures, and the capacitance of variable capacitance is targetedly switched so that
It realizes under the premise of reducing antenna interference, ensures the signal radiation efficiency of other resonant frequencies.
Specifically, when first antenna structure and/or the second antenna structure are in the first resonant frequency, make the first capacitance with
Match circuit is in the state of electrical connection, and makes the first capacitance and match sub-circuit parallel connection；
When first antenna structure and/or the second antenna structure are in the second resonant frequency, make the first capacitance and match electricity
Road is in the state that electrical connection disconnects.
Wherein, which is low-frequency resonant frequency, which is intermediate frequency resonant frequency or high frequency
Resonant frequency.
Low-frequency resonant frequency be easy to cause the interference between multiple antennas, can power transformation by changing this under low-frequency resonant frequency
The capacitance of appearance can effectively reduce interference, improve the efficiency of transmission of antenna.And interfere with each other less intermediate frequency resonant frequency or
Under person's high-frequency resonant frequency, the resonant frequency of first antenna structure and the second antenna structure is consistent, it is ensured that should
The signal radiation efficiency of antenna structure.
Therefore, it realizes to frequency-division section the adjusting of variable capacitance, can antenna preferably be optimized according to different frequency range environment
Radiation quality, improve day line traffic control intelligence degree.
It follows that the method for controlling antenna in the embodiment of the present application, can utilize variable capacitance to adjust the resonance of antenna
Frequency to reduce the interference between multiple antennas, and then improves the radiation quality of antenna so that the resonant frequency between multiple antennas is different
Amount.
2 are please referred to Fig.1, the 6th structure of electronic equipment provided by the embodiments of the present application is shown in figure.
The electronic equipment can be the electricity described in equipment or the Fig. 1-5 such as smart mobile phone, tablet computer and Figure 10
Sub- equipment.As shown in figure 12, electronic equipment 700 includes processor 701 and memory 702.Wherein, processor 701 and memory
702 are electrically connected.
Processor 701 is the control centre of electronic equipment 700, utilizes various interfaces and the entire electronic equipment of connection
Various pieces, by running or calling the computer program being stored in memory 702, and calling to be stored in memory 702
Interior data execute the various functions and processing data of electronic equipment, to carry out integral monitoring to electronic equipment.
In the present embodiment, processor 701 in electronic equipment 700 can according to following step, by one or one with
On the corresponding instruction of process of computer program be loaded into memory 702, and be stored in storage by processor 701 to run
Computer program in device 702, to realize various functions, such as：
When the first antenna structure and the second antenna structure are in working condition, the first antenna structure is determined
The resonant frequency of operation being presently in the second antenna structure；
According to the resonant frequency of operation, the variable capacitance is switched to corresponding with the resonant frequency of operation default
Capacitance, so that the first antenna structure is different from the resonant frequency between the second antenna structure.
In some embodiments, processor 701 also executes following steps：
According to the resonant frequency residing for the first antenna structure and/or the second antenna structure, by controlling the switching
The connecing of switch break it is disconnected to control first capacitance connecing in the variable capacitance, to change the capacitance of the variable capacitance
Value.
In some embodiments, processor 701 also executes following steps：
When the first antenna structure and/or the second antenna structure are in the first resonant frequency, make first capacitance
It is in the state being electrically connected with the match circuit, and first capacitance is made to match sub-circuit parallel connection with described；
When the first antenna structure and/or the second antenna structure are in the second resonant frequency, make first capacitance
It is in the state for being electrically connected and disconnecting with the match circuit.
Memory 702 can be used for storing computer program and data.Include in the computer program that memory 702 stores
The instruction that can be executed in the processor.Computer program can form various functions module.Processor 701 is stored in by calling
The computer program of memory 702, to perform various functions application and data processing, such as：
When the first antenna structure and the second antenna structure are in working condition, the first antenna structure is determined
The resonant frequency of operation being presently in the second antenna structure；
According to the resonant frequency of operation, the variable capacitance is switched to corresponding with the resonant frequency of operation default
Capacitance, so that the first antenna structure is different from the resonant frequency between the second antenna structure.
It follows that in the embodiment of the present application, the resonant frequency of antenna is adjusted using variable capacitance, so that multiple antennas
Between resonant frequency it is different, to reduce the interference between multiple antennas, and then improve the radiation quality of antenna.
It should be noted that one of ordinary skill in the art will appreciate that whole in the various methods of above-described embodiment or
Part steps are relevant hardware can be instructed to complete by computer program, and the computer program can be stored in meter
In calculation machine readable storage medium storing program for executing, the storage medium can include but is not limited to：Read-only memory (ROM, Read Only
Memory), random access memory (RAM, Random Access Memory), disk or CD etc..
Detailed Jie has been carried out to antenna module provided by the embodiments of the present application, electronic equipment and method of controlling antenna above
It continues, specific examples are used herein to illustrate the principle and implementation manner of the present application, and the explanation of above example is only
It is to be used to help understand the application.Meanwhile for those skilled in the art, according to the thought of the application, in specific embodiment party
There will be changes in formula and application range, in conclusion the contents of this specification should not be construed as limiting the present application.
Claims (16)
1. a kind of antenna module, which is characterized in that including first antenna structure and the second antenna structure, wherein：
The first antenna structure and/or the second antenna structure are equipped with match circuit, and the match circuit includes variable capacitance；
The capacitance of the variable capacitance is humorous according to the work that the first antenna structure and/or the second antenna structure are presently in
Vibration frequency switches over, so that the first antenna structure is different from the resonant frequency between the second antenna structure.
2. antenna module according to claim 1, which is characterized in that the match circuit includes matching sub-circuit, described
It is in parallel with the variable capacitance to match sub-circuit, the variable capacitance includes that the first capacitance and switching switch；
The switching switch is connected with first capacitance, with according to the first antenna structure and/or the second antenna structure institute
It is disconnected that the resonant frequency at place controls first capacitance connecing in the match circuit.
3. antenna module as claimed in claim 2, which is characterized in that the switching switch is for when the first antenna knot
When structure and/or the second antenna structure are in the first resonant frequency, so that first capacitance is in the match circuit and be electrically connected
State, and make first capacitance with it is described match sub-circuit parallel connection；The switching switch is additionally operable to work as the first antenna
When structure and/or the second antenna structure are in the second resonant frequency, so that first capacitance is in the match circuit and be electrically connected
Connect the state of disconnection.
4. antenna module as claimed in claim 3, which is characterized in that first resonant frequency is low-frequency resonant frequency, institute
It is intermediate frequency resonant frequency or high-frequency resonant frequency to state the second resonant frequency.
5. the antenna module as described in claim 1-4 any one, which is characterized in that the first antenna structure and second
Antenna structure includes power feeding module and earthing module, and the match circuit is located on the earthing module.
6. the antenna module as described in claim 1-4 any one, which is characterized in that the first antenna structure is used for conduct
The signal radiation structure of main collection antenna, second antenna structure is for signal radiation structure as diversity antenna, described
It is located on second antenna structure with circuit.
7. a kind of electronic equipment, which is characterized in that the electronic equipment includes antenna module and processor, wherein：
The antenna module includes first antenna structure and the second antenna structure, the first antenna structure and/or second day
Cable architecture is equipped with match circuit, and the match circuit includes variable capacitance；
The resonant frequency of operation that the processor is presently according to the first antenna structure and/or the second antenna structure, control
The switching of the capacitance of the variable capacitance is made, so that the operational resonant between the first antenna structure and the second antenna structure
Frequency is different.
8. electronic equipment as claimed in claim 7, which is characterized in that the match circuit includes matching sub-circuit, described
In parallel with the variable capacitance with sub-circuit, the variable capacitance includes that the first capacitance and switching switch；
The switching switch is connected with first capacitance, with according to the first antenna structure and/or the second antenna structure institute
It is disconnected that the resonant frequency of operation at place controls first capacitance connecing in the match circuit.
9. antenna module as claimed in claim 8, which is characterized in that the processor is used to work as the first antenna structure
And/or second antenna structure when being in the first resonant frequency, control the switching switch connection, make first capacitance with it is described
Match circuit is in the state of electrical connection, and first capacitance is made to match sub-circuit parallel connection with described；The processor is also used
In when the first antenna structure and/or the second antenna structure are in the second resonant frequency, controlling the switching switch disconnection,
First capacitance is set to be in the state for being electrically connected and disconnecting with the match circuit.
10. antenna module as claimed in claim 9, which is characterized in that first resonant frequency is low-frequency resonant frequency, institute
It is intermediate frequency resonant frequency or high-frequency resonant frequency to state the second resonant frequency.
11. the antenna module as described in claim 7-10 any one, which is characterized in that the first antenna structure and
Two antenna structures include power feeding module and earthing module, and the match circuit is located on the earthing module.
12. the antenna module as described in claim 7-10 any one, which is characterized in that the first antenna structure is for making
Based on collect the signal radiation structure of antenna, second antenna structure is described for signal radiation structure as diversity antenna
Match circuit is located on second antenna structure.
13. a kind of method of controlling antenna, be applied to electronic equipment, which is characterized in that the electronic equipment include antenna module and
Processor, wherein：
The antenna module includes first antenna structure and the second antenna structure, the first antenna structure and/or second day
Cable architecture is equipped with match circuit, and the match circuit includes variable capacitance；
The method is implemented in the processor, including：
When the first antenna structure and the second antenna structure are in working condition, the first antenna structure and the is determined
The resonant frequency of operation that two antenna structures are presently in；
According to the resonant frequency of operation, the variable capacitance is switched into predetermined capacitive corresponding with the resonant frequency of operation
Value, so that the first antenna structure is different from the resonant frequency between the second antenna structure.
14. method of controlling antenna as claimed in claim 13, which is characterized in that the match circuit includes matching sub-circuit,
The matching sub-circuit is in parallel with the variable capacitance, and the variable capacitance includes that the first capacitance and switching switch, the switching
Switch is connected with first capacitance；
It is described that the variable capacitance is switched into predetermined capacitance corresponding with the resonant frequency of operation, including：
According to the resonant frequency residing for the first antenna structure and/or the second antenna structure, switched by controlling the switching
Connect break it is disconnected to control first capacitance connecing in the variable capacitance, to change the capacitance of the variable capacitance.
15. method of controlling antenna as claimed in claim 14, which is characterized in that it is described according to the first antenna structure and/
Or the second resonant frequency residing for antenna structure, it is disconnected to control connecing for the switching switch, including：
When the first antenna structure and/or the second antenna structure are in the first resonant frequency, make first capacitance and institute
It states match circuit and is in the state of electrical connection, and first capacitance is made to match sub-circuit parallel connection with described；
When the first antenna structure and/or the second antenna structure are in the second resonant frequency, make first capacitance and institute
It states match circuit and is in the state that electrical connection disconnects.
16. method of controlling antenna as claimed in claim 15, which is characterized in that first resonant frequency is low-frequency resonant frequency
Rate, second resonant frequency are intermediate frequency resonant frequency or high-frequency resonant frequency.
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|---|---|---|---|
| CN201810124982.3A CN108336509B (en) | 2018-02-07 | 2018-02-07 | Antenna assembly, electronic equipment and antenna control method |
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|---|---|---|---|
| CN201810124982.3A CN108336509B (en) | 2018-02-07 | 2018-02-07 | Antenna assembly, electronic equipment and antenna control method |
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| CN108336509B (en) | 2021-02-19 |
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