CN106791073A - Antenna assembly, antenna switching method and mobile terminal - Google Patents
Antenna assembly, antenna switching method and mobile terminal Download PDFInfo
- Publication number
- CN106791073A CN106791073A CN201611162683.6A CN201611162683A CN106791073A CN 106791073 A CN106791073 A CN 106791073A CN 201611162683 A CN201611162683 A CN 201611162683A CN 106791073 A CN106791073 A CN 106791073A
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- Prior art keywords
- antenna
- tuning
- state
- mobile terminal
- module
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
- H04M1/724—User interfaces specially adapted for cordless or mobile telephones
- H04M1/72448—User interfaces specially adapted for cordless or mobile telephones with means for adapting the functionality of the device according to specific conditions
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
- H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
- H01Q1/241—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM
- H01Q1/242—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use
- H01Q1/243—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use with built-in antennas
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
- H04M1/026—Details of the structure or mounting of specific components
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
- H04M1/724—User interfaces specially adapted for cordless or mobile telephones
- H04M1/72448—User interfaces specially adapted for cordless or mobile telephones with means for adapting the functionality of the device according to specific conditions
- H04M1/72454—User interfaces specially adapted for cordless or mobile telephones with means for adapting the functionality of the device according to specific conditions according to context-related or environment-related conditions
Abstract
Present invention is disclosed a kind of antenna assembly, antenna switching method and mobile terminal, described device includes sensing module, handover module, radio-frequency signal source, tuner module and antenna body, antenna body is near microphone one end of mobile terminal, antenna body connects radio-frequency signal source by tuner module, wherein：Sensing module, the shielding status for sensing antenna body；Handover module, the tuning state for switching tuner module according to shielding status, tuning state at least includes first state and the second state.So as to, by the shielding status of the antenna body of sensing movement terminal bottom, and switch the tuning state of tuner module according to shielding status, antenna performance is avoided to deteriorate, keep right-hand man's performance balance of antenna, antenna performance during mobile terminal is held in lifting, and then the online experience lifted when user holds mobile terminal is experienced with call.And antenna can be omitted, so that the head SAR tests for solving to be caused by upper antenna are difficult to the technical problem for passing through.
Description
Technical field
The present invention relates to communication technical field, a kind of antenna assembly, antenna switching method and movement are especially related to eventually
End.
Background technology
The antenna performance of the mobile terminals such as mobile phone, directly affects the quality of the signal of communication of mobile terminal, and then influence
The call of user and online experience.When user's left hand or the right hand grip mobile terminal, it will usually covered some antennas, so that
Antenna performance is caused to deteriorate.Therefore, how to prevent right-hand man causes antenna performance to deteriorate when gripping mobile terminal, i.e., how to keep
Right-hand man's performance balance of antenna, is the design difficulty of current antenna.
For traditional plastic rear cover mobile terminal, still with by the metal routing of reasonable designing antenna (pattern)
And feed location, or avoid hand griping position to balance the influence of right-hand man as far as possible, realize right-hand man's performance balance.But for
For the metal back cover mobile terminal of current ever more popular, because metal back cover is in itself as antenna body, cause aerial position
Cannot arbitrarily change, so as to right-hand man's performance balance of antenna cannot be solved the problems, such as using traditional solution.
Therefore, right-hand man's performance balance of antenna how is solved the problems, such as, it has also become the current technical barrier for increasingly highlighting.
The content of the invention
The main object of the present invention is a kind of antenna assembly of offer, antenna switching method and mobile terminal, it is intended to solve to move
Right-hand man's performance balance problem of the antenna of dynamic terminal, lifting user holds the online and call experience during mobile terminal.
To achieve these objectives, the present invention proposes a kind of antenna assembly, and described device is applied to mobile terminal, including sensing mould
Block, handover module, radio-frequency signal source, tuner module and antenna body, Mike of the antenna body near the mobile terminal
Wind one end, the antenna body connects the radio-frequency signal source by the tuner module, wherein：
The sensing module, the shielding status for sensing the antenna body；
The handover module, the tuning state for switching the tuner module according to the shielding status, the tuning
State at least includes first state and the second state.
Alternatively, the tuner module is active tuning device, and the handover module is used for：By adjusting the active tune
The parameter value of humorous device switches the tuning state of the tuning device.
Alternatively, the active tuning device is variable condenser and/or variometer, and the parameter value is capacitance
And/or inductance value.
Alternatively, the tuner module is tuning circuit, and the tuning circuit is by capacitor and/or inductor and switch
Composition, the handover module is used for：By controlling between the inductor of the switch between different capacitors, different or
Toggled between capacitor and inductor come the switching of the tuning state for realizing the tuning circuit.
Alternatively, the sensing module includes sensing unit, and the sensing module is used for：Sensed by the sensing unit
The change information of produced parasitic capacitance when limbs are near the sensing unit, the change information according to the parasitic capacitance is true
The shielding status of the fixed antenna body.
Alternatively, the sensing unit is arranged at the left side and/or the right of the mobile terminal bottom.
Alternatively, the sensing unit is arranged at the lower left corner and/or the lower right corner of the mobile terminal.
Alternatively, the sensing unit is arranged on the fore shell of the mobile terminal.
Alternatively, the sensing unit is covered after being arranged at the mobile terminal, and the bonnet is by non-conductive material system
Into.
Alternatively, the bonnet of the mobile terminal is made up of conductor material, and the bonnet bottom has one to extend laterally
Gap, the sensing unit is arranged in the gap.
Alternatively, the bonnet is metal back cover.
Alternatively, the sensing module also includes status determining unit, when the sensing unit is arranged at the movement eventually
When holding the left side of bottom, the status determining unit is used for：Become big when the parasitic capacitance is sensed by the sensing unit
When, determine that the left side of the antenna body is shielded；
The handover module is used for：When the left side of the antenna body is shielded, by the tuning shape of the tuner module
State switches to the first state.
Alternatively, the status determining unit is additionally operable to：After it is determined that the left side of the antenna body is shielded, when passing through
The sensing unit senses the parasitic capacitance and becomes hour, determines that the left side of the antenna body is not shielded；
The handover module is additionally operable to：When the left side of the antenna body does not have shielded, by the tuner module
Tuning state switches to second state.
Alternatively, the sensing module also includes status determining unit, when the sensing unit is arranged at the movement eventually
When holding the right of bottom, the status determining unit is used for：Become big when the parasitic capacitance is sensed by the sensing unit
When, determine that the right of the antenna body is shielded；
The handover module is used for：When the right of the antenna body is shielded, by the tuning shape of the tuner module
State switches to second state.
Alternatively, the status determining unit is additionally operable to：After it is determined that the right of the antenna body is shielded, when passing through
The sensing unit senses the parasitic capacitance and becomes hour, determines that the right of the antenna body is not shielded；
The handover module is additionally operable to：When the right that the shielding status are the antenna body does not have shielded, will
The tuning state of the tuner module switches to the first state.
Alternatively, the sensing module also includes status determining unit, when the sensing unit is arranged at the movement eventually
When holding the left side and the right of bottom, the status determining unit is used for：It is described when being sensed by the sensing unit on the left side
When parasitic capacitance becomes big, determine that the left side of the antenna body is shielded；When the sensing unit by the right senses institute
State parasitic capacitance become it is big when, determine that the right of the antenna body is shielded；
The handover module is used for：When the left side of the antenna body is shielded, by the tuning shape of the tuner module
State switches to the first state；When the right of the antenna body is shielded, the tuning state of the tuner module is cut
It is changed to second state.
Alternatively, the sensing unit is hardware, conducting resinl, conducting film, electric conductivity coating or metal routing.
Alternatively, the hardware is sheet metal, bonding jumper or wire.
Alternatively, the sensing module also includes detection unit, and the detection unit is connected with the sensing unit, described
Detection unit is used for：The capacitance of the parasitic capacitance near the sensing unit is detected, when the capacitance is more than or equal to threshold
During value, determine that the parasitic capacitance becomes big.
Alternatively, the detection unit is used for：After it is determined that the parasitic capacitance becomes big, the electricity of the parasitic capacitance is detected
Capacitance, when the capacitance is less than threshold value, determines that the parasitic capacitance diminishes.
The present invention proposes a kind of antenna switching method simultaneously, and methods described is applied to mobile terminal, comprises the following steps：
Sense the shielding status of antenna body；The antenna body leads near microphone one end of the mobile terminal
Cross tuner module connection radio-frequency signal source；
Switch the tuning state of the tuner module according to the shielding status, the tuning state at least includes the first shape
State and the second state.
Alternatively, the tuner module is active tuning device, described to switch the tuning mould according to the shielding status
The step of tuning state of block, includes：By the tune for adjusting the parameter value of the active tuning device to switch the tuning device
Humorous state.
Alternatively, the active tuning device is variable condenser and/or variometer, and the parameter value is capacitance
And/or inductance value.
Alternatively, the tuner module is tuning circuit, and the tuning circuit is by capacitor and/or inductor and switch
Composition, it is described switch the tuner module according to the shielding status tuning state the step of include：
By controlling between the inductor of the switch between different capacitors, different or capacitor and inductor
Between toggle come the switching of the tuning state for realizing the tuning circuit.
Alternatively, the step of shielding status of the sensing antenna body include：
The change information of produced parasitic capacitance when sensing limbs near the sensing unit by sensing unit, according to
The change information of the parasitic capacitance determines the shielding status of the antenna body.
Alternatively, it is described according to the parasitism when the sensing unit is arranged at the left side of the mobile terminal bottom
The step of change information of electric capacity determines the shielding status of the antenna body includes：When sensing institute by the sensing unit
State parasitic capacitance become it is big when, determine that the left side of the antenna body is shielded；
It is described switch the tuner module according to the shielding status tuning state the step of include：When the antenna sheet
When the left side of body is shielded, the tuning state of the tuner module is switched into the first state.
Alternatively, also wrapped after the step of tuning state by the tuner module switches to the first state
Include：
Become hour when the parasitic capacitance is sensed by the sensing unit, determining the left side of the antenna body does not have
It is shielded, the tuning state of the tuner module is switched into second state.
Alternatively, it is described according to the parasitism when the sensing unit is arranged at the right of the mobile terminal bottom
The step of change information of electric capacity determines the shielding status of the antenna body includes：When sensing institute by the sensing unit
State parasitic capacitance become it is big when, determine that the right of the antenna body is shielded；
The step of change information according to the parasitic capacitance determines the shielding status of the antenna body includes：When
When the right of the antenna body is shielded, the tuning state of the tuner module is switched into second state.
Alternatively, also wrapped after the step of tuning state by the tuner module switches to second state
Include：
Become hour when the parasitic capacitance is sensed by the sensing unit, determine do not have on the right of the antenna body
It is shielded, the tuning state of the tuner module is switched into the first state.
Alternatively, it is described according to institute when the sensing unit is arranged at the left side and the right of the mobile terminal bottom
The step of change information for stating parasitic capacitance determines the shielding status of the antenna body includes：When the sensing by the left side
Unit senses to the parasitic capacitance become it is big when, determine that the left side of the antenna body is shielded；When the sense by the right
Answer unit senses to the parasitic capacitance become it is big when, determine that the right of the antenna body is shielded；
It is described switch the tuner module according to the shielding status tuning state the step of include：When the antenna sheet
When the left side of body is shielded, the tuning state of the tuner module is switched into the first state；When the antenna body
When the right is shielded, the tuning state of the tuner module is switched into second state.
Alternatively, parasitic capacitance produced during the sensing unit close by sensing unit sensing limbs
Change information the step of include：
The capacitance of the parasitic capacitance near the sensing unit is detected, when the capacitance is more than or equal to threshold value,
Determine that the parasitic capacitance becomes big.
Alternatively, also include after the step for determining that the parasitic capacitance change is big：
The capacitance of the parasitic capacitance is detected, when the capacitance is less than threshold value, determines that the parasitic capacitance diminishes.
The present invention also proposes a kind of mobile terminal, and the mobile terminal includes an antenna assembly, and the antenna assembly includes
Sensing module, handover module, radio-frequency signal source, tuner module and antenna body, the antenna body is near the mobile terminal
Microphone one end, the antenna body connects the radio-frequency signal source by the tuner module, wherein：
The sensing module, the shielding status for sensing the antenna body；
The handover module, the tuning state for switching the tuner module according to the shielding status, the tuning
State at least includes first state and the second state.
A kind of antenna assembly that the embodiment of the present invention is provided, by the masking of the antenna body of sensing movement terminal bottom
State, and switch the tuning state of tuner module according to shielding status, it is to avoid antenna performance deteriorates, and keeps the left and right of antenna chiral
Can balance, lift antenna performance when holding mobile terminal, and then lift online experience when user holds mobile terminal and lead to
Words experience.Using technical scheme, by rational design, one only can be designed entirely in mobile terminal bottom
The antenna that right-hand man's performance of frequency range is all balanced, so as to not need antenna auxiliary in networking/operator's existing network authenticated connection,
Upper antenna is omitted, so that the head SAR tests for solving to be caused by upper antenna are difficult to the technical problem for passing through, it is one revolutionary
Solution.
Also, relative to senser elements such as light sensor, range sensors, the sensing used in the embodiment of the present invention is posted
The sensing unit of raw electric capacity can be any conducting element, simple structure, it is easy to accomplish, the fore shell of mobile terminal can be arranged on
Covered with after, the extra design space of mobile terminal will not be taken, and do not interfere with the appearance design of mobile terminal；Meanwhile, sense
Answering unit can carry out flexible design according to antenna scheme and antenna environment, and be embedded into whole antenna system, not interfere with
Antenna performance.
Brief description of the drawings
Fig. 1 is the module diagram of the antenna assembly of first embodiment of the invention；
Fig. 2 is the module diagram of the sensing module in Fig. 1；
Fig. 3 is the schematic diagram that the sensing unit in the embodiment of the present invention is arranged on the fore shell of mobile terminal；
The flow chart of the antenna switching method of Fig. 4 second embodiment of the invention.
The realization of the object of the invention, functional characteristics and advantage will be described further referring to the drawings in conjunction with the embodiments.
Specific embodiment
It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not intended to limit the present invention.
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings, wherein from start to finish
Same or similar label represents same or similar element or the element with same or like function.Below with reference to attached
It is exemplary to scheme the embodiment of description, is only used for explaining the present invention, and is not construed as limiting the claims.
Those skilled in the art of the present technique are appreciated that unless expressly stated, singulative " " used herein, " one
It is individual ", " described " and " being somebody's turn to do " may also comprise plural form.It is to be further understood that what is used in specification of the invention arranges
Diction " including " refer to the presence of the feature, integer, step, operation, element and/or component, but it is not excluded that in the presence of or addition
One or more other features, integer, step, operation, element, component and/or their group.It should be understood that when we claim unit
Part is " connected " or during " coupled " to another element, and it can be directly connected or coupled to other elements, or can also exist
Intermediary element.Additionally, " connection " used herein or " coupling " can include wireless connection or wireless coupling.It is used herein to arrange
Diction "and/or" includes one or more associated wholes or any cell of listing item and all combines.
Those skilled in the art of the present technique are appreciated that unless otherwise defined, all terms used herein (including technology art
Language and scientific terminology), with art of the present invention in those of ordinary skill general understanding identical meaning.Should also
Understand, those terms defined in such as general dictionary, it should be understood that with the context with prior art
The consistent meaning of meaning, and unless by specific definitions as here, will not otherwise use idealization or excessively formal implication
To explain.
Those skilled in the art of the present technique are appreciated that " terminal " used herein above, " terminal device " both include wireless communication
The equipment of number receiver, the equipment of its wireless signal receiver for only possessing non-emissive ability, and including receiving and transmitting hardware
Equipment, its have can on bidirectional communication link, perform two-way communication reception and transmitting hardware equipment.This equipment
Can include：Honeycomb or other communication equipments, it has single line display or multi-line display or is shown without multi-line
The honeycomb of device or other communication equipments；PCS (Personal Communications Service, PCS Personal Communications System), it can
With combine voice, data processing, fax and/or its communication ability；PDA (Personal Digital Assistant, it is personal
Digital assistants), it can include radio frequency receiver, pager, the Internet/intranet access, web browser, notepad, day
Go through and/or GPS (Global Positioning System, global positioning system) receiver；Conventional laptop and/or palm
Type computer or other equipment, its have and/or conventional laptop and/or palmtop computer including radio frequency receiver or its
His equipment." terminal " used herein above, " terminal device " they can be portable, can transport, installed in the vehicles (aviation,
Sea-freight and/or land) in, or be suitable for and/or be configured in local runtime, and/or with distribution form, operate in the earth
And/or any other position operation in space." terminal " used herein above, " terminal device " can also be communication terminal, on
Network termination, music/video playback terminal, for example, can be PDA, MID (Mobile Internet Device, mobile Internet
Equipment) and/or the equipment such as mobile phone, or intelligent television, Set Top Box with music/video playing function.
Embodiment one
Reference picture 1, proposes the antenna assembly of first embodiment of the invention, and described device is applied to mobile terminal, including sense
Module, handover module, radio-frequency signal source, tuner module and antenna body are surveyed, handover module, radio-frequency signal source and tuner module are equal
Can be arranged on the printed circuit board (PCB) of mobile terminal, the application processor (AP) of mobile terminal can be multiplexed as switching mould
Block.Antenna body, near microphone one end of mobile terminal, is the lower antenna of mobile terminal, and antenna body is connected by tuner module
Connect radio-frequency signal source.Sensing module is used to sense the shielding status of antenna body, and handover module is used to be switched according to shielding status
The tuning state of tuner module, to avoid causing antenna performance to deteriorate because antenna body is shielded.
In the embodiment of the present invention, sensing module includes at least one sensing unit, and it is used to sense limb by sensing unit
The change information of produced parasitic capacitance when body is near the sensing unit, the change information according to parasitic capacitance determines mobile whole
The shielding status of the antenna system at end.The limbs refer mainly to staff, are certainly also likely to be other electric conductors, below with staff
As a example by.
As shown in Fig. 2 in the present embodiment, sensing module includes that the sensing unit, detection unit and the state that are sequentially connected are true
Order unit, detection unit is used to be detected by sensing unit the change information of parasitic capacitance, and status determining unit is used for basis and posts
The change information of raw electric capacity determines the shielding status of antenna system.Detection unit can be arranged in mobile whole with status determining unit
On the printed circuit board (PCB) at end, detection unit can be set with status determining unit with split, it is also possible to be integrated on a chip.
Sensing unit can be arbitrary conducting element, such as hardware, conducting resinl, conducting film, electric conductivity coating, metal
Cabling (pattern) etc., wherein hardware such as sheet metal, bonding jumper, wire etc..During specific implementation, sensing unit can be with
Using flexible PCB (Flexible Printed Circuit, FPC), sheet metal (such as stainless steel substrates), laser direct forming
The days such as (Laser Direct structuring, LDS), printing straight forming (Print Direct Structuring, PDS)
Line way of realization or production technology, in bringing sensing unit the antenna system of mobile terminal into.
Sensing unit can be arranged at a position of mobile terminal, it is also possible to be arranged at least two of mobile terminal not
With position, its design aim is：When being designed at user and normally using mobile terminal, staff is easily touched and the antenna that blocks is attached
Near position.In the present embodiment, sensing unit can be arranged at mobile terminal bottom (i.e. near the microphone one of mobile terminal
End) the left side and/or the right, be preferably disposed on the lower left corner and/or the lower right corner of mobile terminal.
In the specific implementation, it is insulator in view of the fore shell of mobile terminal is generally plastic housing, therefore can be single by sensing
Unit is arranged on the lower left corner and/or the corner position in the lower right corner of the left side of fore shell and/or the marginal position on the right, particularly fore shell
Put.When the bonnet of mobile terminal is made up of non-conductive material (such as plastic rear cover), sensing unit can also be arranged on bonnet
The corner location in the lower left corner and/or the lower right corner of the left side and/or the marginal position on the right, particularly bonnet.When mobile terminal
When bonnet is made up of conductor material (such as three-stage metal back cover), sensing unit can also be arranged on the extension of bonnet lower, transverse
The left side in gap (or antenna strip) and/or the inside on the right, and the sensing unit is not preferably in contact with bonnet, it is right to reduce
The interference of antenna.
As shown in figure 3, sensing unit 101 can be respectively arranged at the lower left corner and bottom right of the fore shell 100 of mobile terminal
Two, angle corner location.
It should be appreciated that be above the PART of the design of sensing unit, during actual implementation, can be according to antenna
Scheme and antenna environment flexible design, can be a part, or its assembled schemes illustrated as exemplified above.Final mesh
Be that can design the position easily blocked and touch in user, and to consider the influence to original antenna scheme, with
It is optimal design.
Known as described above, the sensing unit of the embodiment of the present invention, simple structure, it is easy to accomplish, movement can be arranged on
The fore shell of terminal is covered with after, will not take the extra design space of mobile terminal.And the sensing unit of the embodiment of the present invention can
Flexible design is carried out with according to antenna scheme and antenna environment, and is embedded into whole antenna system, do not interfere with antenna performance.
Detection unit is connected with sensing unit, the capacitance for detecting the parasitic capacitance near sensing unit, the electric capacity
Value is the capacitance that sensing unit may be coupled to.When staff is not near sensing unit, the electric capacity that detection unit is detected
It is C=C0 to be worth, and C0 is the initial value of the parasitic capacitance near sensing unit, when limbs (such as staff) are near sensing unit, sense
Answering will increase the parasitic capacitance C1 that staff brings near unit, the capacitance C=C0+C1 that now detection unit is detected.Cause
This, when the environment near sensing unit changes, the parasitic capacitance that detection unit is detected can also change, and such as work as people
When hand touches sensing unit region, parasitic capacitance will become big, and status determining unit can then exist according to sensing unit
Position on mobile terminal determines which region of antenna system is covered by staff.
During specific implementation, (or at least two) capacitance threshold value can be set, the threshold value is initial more than parasitic capacitance
Value C0.The actual size of threshold value can determine according to test, for example, when the lower left corner that staff touches mobile terminal causes antenna
During penalty, the capacitance of the parasitic capacitance near the now sensing unit in the lower left corner that detection unit is detected is read, will
The capacitance is set to threshold value.
The capacitance of parasitic capacitance of the detection unit in real time or near the detection sensing unit of timing, when capacitance is more than threshold
During value, detection unit then determines that parasitic capacitance becomes big, and notifies status determining unit.Status determining unit is then according to the sensing list
Unit position on mobile terminals determines the shielding status of antenna system, for example：When sensing unit is arranged at mobile terminal bottom
The right when, it is determined that the right of antenna body is shielded；When sensing unit is arranged at the left side of mobile terminal bottom, then really
The left side for determining antenna body is shielded.
Further, for a position there was only mobile terminal or the unilateral situation for being provided with sensing unit, when it is determined that
After parasitic capacitance near sensing unit becomes big, detection unit also continues to detect the capacitance of parasitic capacitance, when capacitance is less than
During threshold value, it is determined that parasitic capacitance diminishes, and notify status determining unit.Status determining unit is then according to sensing unit in movement
Position in terminal, determines that the shielding status in the region of antenna system have been released, i.e., the region is not shielded.For example：When
When sensing unit is only arranged at the left side of mobile terminal bottom, it is determined that the left side of antenna body is not shielded；When sensing is single
When unit is only arranged at the right of mobile terminal bottom, it is determined that the right of antenna body is not shielded.
In other embodiments, sensing module can also be sensed by senser elements such as light sensor, range sensors
Whether staff is close to or touches certain position of mobile terminal, so as to obtain the shielding status of antenna body.But relative to this
The sensing module of inventive embodiments, senser element can take the neighbouring more space of antenna and design extremely complex, easily cause day
The reduction of beta radiation efficiency and introducing interference, ultimately result in antenna performance and substantially reduce.Also, light sensor, range sensor
Perforate on mobile terminals is also needed to Deng senser element, the appearance design of mobile terminal is influenceed.And use the embodiment of the present invention
Sensing module realizes the detection of the shielding status of Anneta module by the change of sensing unit sensing parasitic capacitance, then can advise
Keep away the technical problem that above-mentioned traditional sensor plan brings.
In the embodiment of the present invention, tuner module can be active tuning device or tuning circuit.Wherein, active tuning device
Can be one kind or at least two combination in the devices such as variable condenser, variometer；Tuning circuit can be by electric capacity
Device and/or inductor and switch composition, are such as made up of at least two different capacitors (capacitance is different) and switch, or
It is made up of at least two different inductors (inductance value is different) and switch, or is made up of capacitor, inductor and switch, institute
It can be single-pole double throw or multithrow switch to state switch, or transistor switch.
When tuner module is active tuning device, handover module is then cut by adjusting the parameter value of active tuning device
The tuning state of conversion tuner part, the different tuning state of different parameter value correspondences, such as adjusts the capacitance of variable condenser
And/or the inductance value of variometer.
When tuner module is tuning circuit, handover module is then by controlling switch between different capacitors, difference
Inductor between or capacitor and inductor between toggle come the switching of the tuning state for realizing tuning circuit, switching
To the different tuning state of different capacitors, inductor correspondence.
The tuning state of tuner module at least includes two states of first state and the second state, naturally it is also possible to set many
Individual state, each shielding status one tuning state of correspondence, corresponding relation is determined by surveying.For example, at antenna body
When shielding status 1, regulation tuner module is so that antenna performance reaches optimum state, it is assumed that the now tuning state of tuner module
Be tuning state 1, then set up the corresponding relation of shielding status 1 and tuning state 1, i.e., when antenna body is in shielding status 1,
Then switch tuner module to tuning state 1.
For example, handover module can in the following manner be tuned state switching：
The left side and the right for mobile terminal bottom are provided with the situation of sensing unit, when sensing module senses day
When the left side of line body is shielded, then the tuning state of tuner module is switched into first state, to avoid antenna performance from deteriorating.
When the right that sensing module senses antenna body is shielded, then the tuning state of tuner module is switched into the second state,
To avoid antenna performance from deteriorating.
For the situation that sensing unit is only provided with the left side of mobile terminal bottom, when sensing module senses antenna sheet
When the left side of body is shielded, then the tuning state of tuner module is switched into first state, it is to avoid antenna performance deteriorates.It is determined that
After the left side of antenna body is shielded, become hour when sensing module senses parasitic capacitance by sensing unit, it is determined that antenna
The left side of body does not have shielded, and now the tuning state of tuner module is then switched back into the second state by handover module, to prevent
The right of antenna body is shielded and influences antenna performance.In other words, under this situation, using the second state as tuner module
Acquiescence tuning state, just switches to first state, so as to realize two when just thinking that the left side of antenna body is shielded by tuning state
The switching of individual tuning state.
For the situation that sensing unit is only provided with the right of mobile terminal bottom, when sensing module senses antenna sheet
When the right of body is shielded, then the tuning state of tuner module is switched into the second state, to avoid antenna performance from deteriorating.True
Determine antenna body the right it is shielded after, when sensing module by sensing unit sense parasitic capacitance become hour, it is determined that day
The right of line body does not have shielded, and now the tuning state of tuner module is then switched back into first state by handover module, in case
Only the left side of antenna body is shielded and influence antenna performance.In other words, under this situation, using first state as tuner module
Acquiescence tuning state, when just thinking that the right of antenna body is shielded just tuning state is switched into the second state, so as to realize
Two switchings of tuning state.
Be embedded into sensing unit in antenna system by the embodiment of the present invention, as a part for antenna system, equivalent to profit
With a part for antenna system as sensor, a kind of brand-new Sensor Design thinking is opened, can completely replace tradition
Sensor plan.And this design can be supported to be embedded into all types of antennas (such as PIFA/IFA/LOOP/Monopole
Deng), length and the position of sensing unit according to application scenarios demand, can be adjusted flexibly, so as to reach preferably sense it is sensitive
Degree effect.
Using the technical scheme of the embodiment of the present invention, antenna performance when holding mobile terminal can be lifted, it is referred herein
Antenna performance can refer to the antenna performance of whole frequency ranges, it is also possible to refer to some of which frequency range (such as 824MHZ~894MHZ)
Antenna performance, by experiment can confirm that out holding after which frequency range performance have deterioration, it is possible to targetedly to the frequency range
Performance improved.
The antenna assembly of the embodiment of the present invention, by the shielding status of the antenna body of sensing movement terminal bottom, and root
Switch the tuning state of tuner module according to shielding status, it is to avoid antenna performance deteriorates, keep right-hand man's performance balance of antenna, carry
Antenna performance when holding mobile terminal is risen, and then the online experience lifted when user holds mobile terminal is experienced with call.Adopt
With technical scheme, by rational design, a left side for full frequency band only can be designed in mobile terminal bottom
The antenna that right hand performance is all balanced, so as to not need antenna auxiliary in networking/operator's existing network authenticated connection, that is, omits
Antenna, so that the head SAR tests for solving to be caused by upper antenna are difficult to the technical problem for passing through, it is a revolutionary solution party
Case.
Also, relative to senser elements such as light sensor, range sensors, parasitic capacitance is sensed in the embodiment of the present invention
Sensing unit can be any conducting element, simple structure, it is easy to accomplish, the fore shell and bonnet of mobile terminal can be arranged on
On, the extra design space of mobile terminal will not be taken, and do not interfere with the appearance design of mobile terminal；Meanwhile, sensing unit
Flexible design can be carried out according to antenna scheme and antenna environment, and be embedded into whole antenna system, not interfere with day linear
Energy.
Additionally, using technical scheme, the induced signal that right-hand man grips mobile terminal can also be sent to
Application processor (AP) is counted, so as to require that scene higher makes data supporting, Jin Erjin for right-hand man at some
Row application (app) software optimization.
Embodiment two
Reference picture 4, proposes the antenna switching method of second embodiment of the invention, the described method comprises the following steps：
The shielding status of S11, sensing antenna body, the antenna body passes through near microphone one end of mobile terminal
Tuner module connects radio-frequency signal source.
S12, the tuning state for switching tuner module according to shielding status, the tuning state at least include first state and the
Two-state.
In the embodiment of the present invention, sensing unit is provided with one of mobile terminal or at least two positions.Sensing unit
Can be arbitrary conducting element, such as hardware, conducting resinl, conducting film, electric conductivity coating, metal routing (pattern),
Wherein hardware such as sheet metal, bonding jumper, wire etc..During specific implementation, sensing unit can be using FPC, sheet metal (such as
Stainless steel substrates), antenna implementation or the production technology such as LDS, PDS, sensing unit is brought into the antenna system of mobile terminal
In.
Sensing unit can be arranged at a position of mobile terminal, it is also possible to be arranged at least two of mobile terminal not
With position, its design aim is：When being designed at user and normally using mobile terminal, staff is easily touched and the antenna that blocks is attached
Near position.In the present embodiment, sensing unit can be arranged at mobile terminal bottom (i.e. near the microphone one of mobile terminal
End) the left side and/or the right, be preferably disposed on the lower left corner and/or the lower right corner of mobile terminal.
In the specific implementation, it is insulator in view of the fore shell of mobile terminal is generally plastic housing, therefore can be single by sensing
Unit is arranged on the lower left corner and/or the corner position in the lower right corner of the left side of fore shell and/or the marginal position on the right, particularly fore shell
Put.When the bonnet of mobile terminal is made up of non-conductive material (such as plastic rear cover), sensing unit can also be arranged on bonnet
The corner location in the lower left corner and/or the lower right corner of the left side and/or the marginal position on the right, particularly bonnet.When mobile terminal
When bonnet is made up of conductor material (such as three-stage metal back cover), sensing unit can also be arranged on the extension of bonnet lower, transverse
The left side in gap (or antenna strip) and/or the inside on the right, and the sensing unit is not preferably in contact with bonnet, it is right to reduce
The interference of antenna.
It should be appreciated that be above the PART of the design of sensing unit, during actual implementation, can be according to antenna
Scheme and antenna environment flexible design, can be a part, or its assembled schemes illustrated as exemplified above.Final mesh
Be that can design the position easily blocked and touch in user, and to consider the influence to original antenna scheme, with
It is optimal design.
Known as described above, the sensing unit of the embodiment of the present invention, simple structure, it is easy to accomplish, movement can be arranged on
The fore shell of terminal is covered with after, will not take the extra design space of mobile terminal.And the sensing unit of the embodiment of the present invention can
Flexible design is carried out with according to antenna scheme and antenna environment, is included completely in whole antenna system, do not interfere with antenna performance.
In the embodiment of the present invention, tuner module can be active tuning device or tuning circuit.Wherein, active tuning device
Can be one kind or at least two combination in the devices such as variable condenser, variometer；Tuning circuit can be by electric capacity
Device and/or inductor and switch composition, are such as made up of at least two different capacitors (capacitance is different) and switch, or
It is made up of at least two different inductors (inductance value is different) and switch, or is made up of capacitor, inductor and switch, institute
It can be single-pole double throw or multithrow switch to state switch, or transistor switch.
In step S11, mobile terminal parasitism electricity produced when sensing limbs near the sensing unit by sensing unit
The change information of appearance, the change information according to parasitic capacitance determines the shielding status of the antenna system of mobile terminal.
Specifically, mobile terminal can in real time or timing detection sensing unit near parasitic capacitance capacitance, when
When capacitance is more than threshold value, it is determined that parasitic capacitance becomes big.Then the sensing unit for being changed according to neighbouring parasitic capacitance
Position on mobile terminals determines the shielding status of antenna system.For example：When the sense on the right by mobile terminal bottom
Answer unit senses to parasitic capacitance become it is big when, it is determined that the right of antenna body is shielded；When the left side by mobile terminal bottom
The sensing unit on side sense parasitic capacitance become it is big when, it is determined that the left side of antenna body is shielded.
Further, for a position there was only mobile terminal or the unilateral situation for being provided with sensing unit, when it is determined that
After parasitic capacitance near sensing unit becomes big, mobile terminal also continues to detect the electric capacity of the parasitic capacitance near the sensing unit
Value, when capacitance is less than threshold value, it is determined that parasitic capacitance diminishes.Mobile terminal then according to sensing unit on mobile terminals
Position, determines that the shielding status in the region of antenna system have been released, i.e., the region is not shielded.For example：Work as sensing unit
When being only arranged at the left side of mobile terminal bottom, it is determined that the left side of antenna body is not shielded；When sensing unit is only set
When the right of mobile terminal bottom, it is determined that the right of antenna body is not shielded.
In other embodiments, sensing module can also be sensed by senser elements such as light sensor, range sensors
Whether staff is close to or touches certain position of mobile terminal, so as to obtain the shielding status of antenna body.
In step S12, mobile terminal can in the following ways switch tuning state：
When tuner module is active tuning device, mobile terminal is then cut by adjusting the parameter value of active tuning device
The tuning state of conversion tuner part, the different tuning state of different parameter value correspondences, such as adjusts the capacitance of variable condenser
Or the inductance value of variometer.
When tuner module is tuning circuit, mobile terminal is then by controlling switch between different capacitors, difference
Inductor between or capacitor and inductor between toggle come the switching of the tuning state for realizing tuning circuit, switching
To the different tuning state of different capacitors, inductor correspondence.
The tuning state of tuner module at least includes two states of first state and the second state, naturally it is also possible to set many
Individual state, each shielding status one tuning state of correspondence, corresponding relation is determined by surveying.For example, at antenna body
When shielding status 1, regulation tuner module is so that antenna performance reaches optimum state, it is assumed that the now tuning state of tuner module
Be tuning state 1, then set up the corresponding relation of shielding status 1 and tuning state 1, i.e., when antenna body is in shielding status 1,
Then switch tuner module to tuning state 1.
For example, mobile terminal is according to the detailed process that shielding status are tuned state switching：
The left side and the right for mobile terminal bottom are provided with the situation of sensing unit, when sensing antenna body
When the left side is shielded, then the tuning state of tuner module is switched into first state, to avoid antenna performance from deteriorating.When sensing
When the right of antenna body is shielded, then the tuning state of tuner module is switched into the second state, to avoid antenna performance from disliking
Change.
For the situation that sensing unit is only provided with the left side of mobile terminal bottom, when the left side for sensing antenna body
When shielded, then the tuning state of tuner module is switched into first state, it is to avoid antenna performance deteriorates.It is determined that antenna body
The left side it is shielded after, when by sensing unit sense parasitic capacitance become hour, it is determined that the left side of antenna body not by
Masking, now then switches back into the second state, to prevent the right of antenna body shielded and shadow by the tuning state of tuner module
Ring antenna performance.In other words, under this situation, using the second state as the acquiescence tuning state of tuner module, antenna sheet is just thought
Tuning state is just switched into first state when the left side of body is shielded, so as to realize two switchings of tuning state.
For the situation that sensing unit is only provided with the right of mobile terminal bottom, when the right for sensing antenna body
When shielded, then the tuning state of tuner module is switched into the second state, to avoid antenna performance from deteriorating.It is determined that antenna sheet
After the right of body is shielded, become hour when parasitic capacitance is sensed by sensing unit, it is determined that do not have on the right of antenna body
It is shielded, the tuning state of tuner module is then now switched back into first state, to prevent the left side of antenna body shielded
Influence antenna performance.In other words, under this situation, using first state as the acquiescence tuning state of tuner module, antenna is just thought
Tuning state is just switched into the second state when the right of body is shielded, so as to realize two switchings of tuning state.
The technical scheme of the embodiment of the present invention, in the specific implementation, can be by rationally design by sensing unit (such as metal
Cabling pattern) it is embedded into antenna system, when left hand or the right hand hold mobile terminal and are close to sensing unit, sensing
The capacitance of the parasitic capacitance that unit may be coupled to will produce change, and capacitance variation information is then fed back to sense by sensing unit
Chip is answered, induction chip can again feed back to application processor, and then learn staff current touch to certain area of mobile terminal
Domain, and the tuning state of instruction regulation tuner module is assigned, the OTA of antenna when mobile terminal is held under particular context to be lifted
Performance.
The antenna switching method of the embodiment of the present invention, antenna assembly, by the antenna body of sensing movement terminal bottom
Shielding status, and switch the tuning state of tuner module according to shielding status, it is to avoid antenna performance deteriorates, and keeps the left and right of antenna
Antenna performance during mobile terminal, and then online experience during lifting user's holding mobile terminal are held in hand performance balance, lifting
Experienced with call.Using technical scheme, by rational design, one only can be designed in mobile terminal bottom
The antenna that right-hand man's performance of individual full frequency band is all balanced, so as to not need antenna in networking/operator's existing network authenticated connection
Auxiliary, that is, omit upper antenna, so that the head SAR tests for solving to be caused by upper antenna are difficult to the technical problem for passing through, it is a leather
The solution of life property.
The present invention proposes a kind of mobile terminal simultaneously, and the mobile terminal includes an antenna assembly, the antenna assembly bag
Sensing module, handover module, radio-frequency signal source, tuner module and antenna body are included, the antenna body is near described mobile whole
The microphone one end at end, the antenna body connects the radio-frequency signal source by the tuner module, wherein：The sensing mould
Block, the shielding status for sensing the antenna body；The handover module, for switching the tune according to the shielding status
The tuning state of humorous module, the tuning state at least includes first state and the second state.Day described in the present embodiment
The traditional thread binding antenna assembly being set in the present invention involved by above-described embodiment, will not be repeated here.
It should be appreciated that the left side and the right described in the embodiment of the present invention, refer to that user normally grips and uses mobile terminal
When left-hand side and right-hand side.
It will be understood by those skilled in the art that the present invention includes being related to for performing in operation described herein
Or multinomial equipment.These equipment can be for needed for purpose and specially design and manufacture, or general-purpose computations can also be included
Known device in machine.These equipment have computer program of the storage in it, and these computer programs are optionally activated
Or reconstruct.Such computer program can be stored in equipment (for example, computer) computer-readable recording medium or store and be suitable to
Storage e-command is simultaneously coupled in any kind of medium of bus respectively, and the computer-readable medium is included but is not limited to
Any kind of disk (including floppy disk, hard disk, CD, CD-ROM and magneto-optic disk), ROM (Read-Only Memory, it is read-only to deposit
Reservoir), RAM (Random Access Memory, random access memory), EPROM (Erasable Programmable Read-
Only Memory, Erarable Programmable Read only Memory), EEPROM (Electrically Erasable Programmable
Read-Only Memory, EEPROM), flash memory, magnetic card or light card.It is, readable
Medium include being stored in the form of it can read by equipment (for example, computer) or transmission information any medium.
Those skilled in the art of the present technique be appreciated that can be realized with computer program instructions these structure charts and/or
The combination of the frame in each frame and these structure charts and/or block diagram and/or flow graph in block diagram and/or flow graph.This technology is led
Field technique personnel be appreciated that can by these computer program instructions be supplied to all-purpose computer, special purpose computer or other
The processor of programmable data processing method is realized, so that by the treatment of computer or other programmable data processing methods
Device is come the scheme specified in the frame or multiple frame that perform structure chart disclosed by the invention and/or block diagram and/or flow graph.
Those skilled in the art of the present technique are appreciated that in various operations, method, the flow discussed in the present invention
Step, measure, scheme can be replaced, changed, combined or deleted.Further, it is each with what is discussed in the present invention
Other steps, measure in kind operation, method, flow, scheme can also be replaced, changed, reset, decomposed, combined or deleted.
Further, it is of the prior art with various operations, method, the flow disclosed in the present invention in step, measure, scheme
Can also be replaced, changed, reset, decomposed, combined or deleted.
Above by reference to the preferred embodiments of the present invention have been illustrated, not thereby limit to interest field of the invention.This
Art personnel do not depart from the scope of the present invention and essence, can have various flexible programs to realize the present invention, for example as one
The feature of individual embodiment can be used for another embodiment and obtain another embodiment.It is all to use institute within technology design of the invention
Any modification, equivalent and the improvement made, all should be within interest field of the invention.
Claims (10)
1. a kind of antenna assembly, is applied to mobile terminal, it is characterised in that including sensing module, handover module, radiofrequency signal
Source, tuner module and antenna body, the antenna body lead near microphone one end of the mobile terminal, the antenna body
Cross the tuner module and connect the radio-frequency signal source, wherein：
The sensing module, the shielding status for sensing the antenna body；
The handover module, the tuning state for switching the tuner module according to the shielding status, the tuning state
At least include first state and the second state.
2. antenna assembly according to claim 1, it is characterised in that the tuner module is active tuning device, described
Handover module is used for：By the tuning state for adjusting the parameter value of the active tuning device to switch the tuning device.
3. antenna assembly according to claim 2, it is characterised in that the active tuning device be variable condenser and/
Or variometer, the parameter value is capacitance and/or inductance value.
4. antenna assembly according to claim 1, it is characterised in that the tuner module is tuning circuit, the tuning
Electric routing capacitor and/or inductor and switch composition, the handover module are used for：By controlling the switch different
Toggle to realize the tuning circuit between inductor between capacitor, different or between capacitor and inductor
The switching of tuning state.
5. the antenna assembly according to claim any one of 1-4, it is characterised in that the sensing module includes that sensing is single
Unit, the sensing module is used for：Parasitism electricity produced when sensing limbs near the sensing unit by the sensing unit
The change information of appearance, the change information according to the parasitic capacitance determines the shielding status of the antenna body.
6. a kind of antenna switching method, is applied to mobile terminal, it is characterised in that comprise the following steps：
Sense the shielding status of antenna body；The antenna body is close to microphone one end of the mobile terminal, and by adjusting
Humorous module connects radio-frequency signal source；
Switch the tuning state of the tuner module according to the shielding status, the tuning state at least include first state and
Second state.
7. antenna switching method according to claim 6, it is characterised in that the tuner module is active tuning device,
It is described switch the tuner module according to the shielding status tuning state the step of include：By adjusting the active tuning
The parameter value of device switches the tuning state of the tuning device.
8. antenna switching method according to claim 7, it is characterised in that the active tuning device is variable condenser
And/or variometer, the parameter value is capacitance and/or inductance value.
9. antenna switching method according to claim 6, it is characterised in that the tuner module is tuning circuit, described
Tuning circuit is made up of capacitor and/or inductor and switch, described to switch the tuner module according to the shielding status
Tuning state the step of include：
By controlling between the inductor of the switch between different capacitors, different or between capacitor and inductor
Toggle come the switching of the tuning state for realizing the tuning circuit.
10. a kind of mobile terminal, it is characterised in that including the antenna assembly as described in claim any one of 1-5.
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| CN201611162683.6A CN106791073B (en) | 2016-12-15 | 2016-12-15 | Antenna assembly, antenna switching method and mobile terminal |
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| CN201611162683.6A CN106791073B (en) | 2016-12-15 | 2016-12-15 | Antenna assembly, antenna switching method and mobile terminal |
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| CN107342464A (en) * | 2017-06-30 | 2017-11-10 | 努比亚技术有限公司 | Mobile terminal, antenna assembly and antenna switching method |
| CN108521499A (en) * | 2018-03-12 | 2018-09-11 | 广东欧珀移动通信有限公司 | Antenna switching method, storage medium and electronic equipment |
| CN109088151A (en) * | 2018-07-04 | 2018-12-25 | 深圳市万普拉斯科技有限公司 | antenna system and mobile terminal |
| WO2019047562A1 (en) * | 2017-09-06 | 2019-03-14 | 中兴通讯股份有限公司 | Mobile terminal signal processing method, circuit and mobile terminal |
| CN110891121A (en) * | 2019-11-20 | 2020-03-17 | Oppo广东移动通信有限公司 | Antenna module switching method and device, electronic equipment and computer readable storage medium |
| CN111130591A (en) * | 2018-10-30 | 2020-05-08 | Oppo（重庆）智能科技有限公司 | Antenna tuning method, antenna tuning device and terminal equipment |
| CN111158232A (en) * | 2019-06-13 | 2020-05-15 | 广东小天才科技有限公司 | Intelligent host, multi-antenna line switching method and intelligent watch |
| CN112104771A (en) * | 2020-09-04 | 2020-12-18 | Tcl通讯（宁波）有限公司 | Antenna tuning method, antenna tuning device, storage medium and electronic terminal |
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