CN106850881A - Antenna assembly, antenna switching method and mobile terminal - Google Patents
Antenna assembly, antenna switching method and mobile terminal Download PDFInfo
- Publication number
- CN106850881A CN106850881A CN201611162523.1A CN201611162523A CN106850881A CN 106850881 A CN106850881 A CN 106850881A CN 201611162523 A CN201611162523 A CN 201611162523A CN 106850881 A CN106850881 A CN 106850881A
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- China
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- antenna
- mobile terminal
- sensing
- module
- anneta module
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- 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
- 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
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- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Telephone Set Structure (AREA)
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 and Anneta module, Anneta module is near microphone one end of mobile terminal, Anneta module includes first antenna and the second antenna respectively positioned at the left side of mobile terminal and the right, wherein：Sensing module, the shielding status for sensing Anneta module；Handover module, for being switched over the antenna of work at present between first antenna and the second antenna according to shielding status.So as to, by the shielding status of the Anneta module of sensing movement terminal bottom, and the antenna of work at present is switched between first antenna and the second antenna according to shielding status, 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, 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 and Anneta module, the Anneta module is near microphone one end of the mobile terminal, institute
Stating Anneta module includes being located at respectively the left side and the first antenna and the second antenna on the right of the mobile terminal, wherein：
The sensing module, the shielding status for sensing the Anneta module；
The handover module, for according to the shielding status by the antenna of work at present in the first antenna and described
Switched between second antenna.
Alternatively, the handover module includes that control unit and switching are switched, and described control unit is used for：Cut described in control
The changeable connection first antenna of switch and the radio-frequency signal source or second antenna and the radio-frequency signal source are changed,
So that the antenna of work at present is the first antenna or second antenna.
Alternatively, the switching switch is single-pole double-throw switch (SPDT), and described single-pole double-throw switch (SPDT) one end connects the radio frequency letter
Number source, the other end changeable connection first antenna or second antenna.
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 Anneta module.
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 first antenna of the Anneta module is shielded；
The handover module is used for：When the first antenna of the Anneta module is shielded, the antenna of work at present is cut
It is changed to second antenna.
Alternatively, the status determining unit is additionally operable to：After it is determined that the first antenna of the Anneta module is shielded, when
The parasitic capacitance is sensed by the sensing unit and becomes hour, determine that the first antenna of the Anneta module is not hidden
Cover；
The handover module is additionally operable to：When the first antenna of the Anneta module does not have shielded, by work at present
Antenna switches to the first antenna.
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 second antenna of the Anneta module is shielded；
The handover module is used for：When the second antenna of the Anneta module is shielded, the antenna of work at present is cut
It is changed to the first antenna.
Alternatively, the status determining unit is additionally operable to：After it is determined that the second antenna of the Anneta module is shielded, when
The parasitic capacitance is sensed by the sensing unit and becomes hour, determine that the second antenna of the Anneta module is not hidden
Cover；
The handover module is additionally operable to：When the second antenna that the shielding status are the Anneta module is not shielded
When, the signal feed-in point of the Anneta module is switched into second antenna.
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 first antenna of the Anneta module is shielded；When the sensing unit by the right is sensed
When becoming big to the parasitic capacitance, determine that the second antenna of the Anneta module is shielded；
The handover module is used for：When the first antenna of the Anneta module is shielded, the antenna of work at present is cut
It is changed to second antenna；When the second antenna of the Anneta module is shielded, the antenna of work at present is switched to described
First antenna.
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 Anneta module；The Anneta module is near microphone one end of the mobile terminal, and bag
Include the first antenna and the second antenna respectively positioned at the left side of the mobile terminal and the right；
The antenna of work at present is carried out between the first antenna and second antenna according to the shielding status
Switching.
Alternatively, it is described according to the shielding status by the antenna of work at present in the first antenna and described second day
The step of being switched between line includes：
The control switching changeable connection first antenna of switch and radio-frequency signal source or second antenna with it is described
Radio-frequency signal source, so that the antenna of work at present is the first antenna or second antenna.
Alternatively, the switching switch is single-pole double-throw switch (SPDT), and described single-pole double-throw switch (SPDT) one end connects the radio frequency letter
Number source, the other end changeable connection first antenna or second antenna.
Alternatively, the step of shielding status of the sensing Anneta module 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 Anneta module.
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 Anneta module includes：When sensing institute by the sensing unit
State parasitic capacitance become it is big when, determine that the first antenna of the Anneta module is shielded；
It is described according to the shielding status by the antenna of work at present between the first antenna and second antenna
The step of switching over includes：When the first antenna of the Anneta module is shielded, the antenna of work at present is switched into institute
State the second antenna.
Alternatively, it is described the step of the antenna of work at present is switched into second antenna after also include：
Become hour when the parasitic capacitance is sensed by the sensing unit, determine the first antenna of the Anneta module
There is no shielded, the antenna of work at present is switched into the first antenna.
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 Anneta module includes：When sensing institute by the sensing unit
State parasitic capacitance become it is big when, determine that the second antenna of the Anneta module is shielded；
It is described according to the shielding status by the antenna of work at present between the first antenna and second antenna
The step of switching over includes：When the second antenna of the Anneta module is shielded, the antenna of work at present is switched into institute
State first antenna.
Alternatively, it is described the step of the antenna of work at present is switched into the first antenna after also include：
Become hour when the parasitic capacitance is sensed by the sensing unit, determine the second antenna of the Anneta module
There is no shielded, the antenna of work at present is switched into second antenna.
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 Anneta module includes：When the sensing by the left side
Unit senses to the parasitic capacitance become it is big when, determine that the first antenna of the Anneta module is shielded；When the institute by the right
When stating sensing unit and sensing the parasitic capacitance and become big, determine that the second antenna of the Anneta module is shielded；
It is described according to the shielding status by the antenna of work at present between the first antenna and second antenna
The step of switching over includes：When the first antenna of the Anneta module is shielded, the antenna of work at present is switched into institute
State the second antenna；When the second antenna of the Anneta module is shielded, the antenna of work at present is switched to described first day
Line.
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, the antenna assembly sensing
Module, handover module, radio-frequency signal source and Anneta module, the Anneta module are close to microphone one end of the mobile terminal,
The Anneta module includes first antenna and the second antenna respectively positioned at the left side of the mobile terminal and the right, wherein：
The sensing module, the shielding status for sensing the Anneta module；
The handover module, for according to the shielding status by the antenna of work at present in the first antenna and described
Switched between second antenna.
A kind of antenna assembly that the embodiment of the present invention is provided, by the masking of the Anneta module of sensing movement terminal bottom
State, and the antenna of work at present is cut between the first antenna and the second antenna of Anneta module according to shielding status
Change, it is to avoid antenna performance deteriorates, keep right-hand man's performance balance of antenna, lifting is held antenna performance during mobile terminal, entered
And lift online experience when user holds mobile terminal and experience of conversing.Using technical scheme, by rational
Design, the antenna that the right-hand man's performance that only can design a full frequency band in mobile terminal bottom is all balanced, so as to enter
Net/operator's existing network authenticated connection need not go up antenna auxiliary, that is, upper antenna is omitted, so as to solve the head caused by upper antenna
SAR tests are difficult to the technical problem for passing through, and are a revolutionary solutions.
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 circuit connection diagram of Anneta module, handover module and radio-frequency signal source in Fig. 4 embodiment of the present invention；
Fig. 5 is the flow chart of the antenna switching method of 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-switching device of first embodiment of the invention, and described device includes sensing module, switching
Module, radio-frequency signal source and Anneta module, handover module and set radio-frequency signal source and can be arranged in the printed circuit of mobile terminal
On plate.Anneta module, near microphone one end of mobile terminal, is the lower antenna of mobile terminal, and Anneta module includes being located at respectively
The left side of mobile terminal and the first antenna on the right and the second antenna.Sensing module is used to sense the shielding status of Anneta module,
Handover module is used to be switched over the antenna of work at present between first antenna and the second antenna according to shielding status, to keep away
Exempt from antenna performance deterioration.
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 Anneta module 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 Anneta module.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 Anneta module 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 Anneta module, for example：When sensing unit is arranged at mobile terminal bottom
The right when, it is determined that the right of Anneta module is shielded；When sensing unit is arranged at the left side of mobile terminal bottom, then really
The left side for determining Anneta module 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 Anneta module 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 Anneta module 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 Anneta module 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 Anneta module.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 present embodiment, the circuit connection diagram of first antenna, the second antenna, handover module and radio-frequency signal source is as schemed
Shown in 4.Wherein, handover module includes control unit 21 and switching switch K, and the antenna 12 of first antenna 11 and second is opened by switching
K connection radio-frequency signal sources 30 are closed, the connection first antenna 11 that control unit 21 is used to control switching switch K changeable is believed with radio frequency
The antenna 12 of number source 30 or second and radio-frequency signal source 30, so that the antenna of work at present is the antenna 12 of first antenna 11 or second.
Handover module can arrange the application processor (AP) that can be multiplexed mobile terminal on a printed circuit as handover module
Control unit 21.
In the present embodiment, switching switch K is preferably single-pole double-throw switch (SPDT), single-pole double-throw switch (SPDT) one end connection radiofrequency signal
Source 30, the changeable antenna 12 of connection first antenna 11 or second of the other end.In other embodiments, switching switch K can also
It is the switch of other forms, such as transistor switch.
Handover module carries out the switching of first antenna and the second antenna especially by the following manner：
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 wire module is shielded, then the antenna of work at present is switched to second antenna on the right, so that radiofrequency signal is from the right side
The second antenna feed-in on side, the right is transferred to by special frequency channel, it is to avoid antenna performance deteriorates.When sensing module senses antenna mould
When the right of block is shielded, then the antenna of work at present is switched to the first antenna on the left side, so that radiofrequency signal is from the left side
First antenna feed-in, the left side is transferred to by special frequency channel, it is to avoid antenna performance deteriorates.
For the situation that sensing unit is only provided with the left side of mobile terminal bottom, when sensing module senses antenna mould
When the left side of block is shielded, then the antenna of work at present is switched to second antenna on the right, so that radiofrequency signal is from the right
Second antenna feed-in, the right is transferred to by special frequency channel, it is to avoid antenna performance deteriorates.It is determined that the left side of Anneta module is shielded
Afterwards, hour is become when sensing module senses parasitic capacitance by sensing unit, it is determined that the left side of Anneta module does not have shielded,
Now the antenna of work at present is then switched back into handover module the first antenna on the left side, to prevent the right of Anneta module shielded
And influence antenna performance.In other words, under this situation, the antenna with the first antenna on the left side as work at present is given tacit consent to, only the same day
The antenna of work at present is just switched to second antenna on the right, so as to realize two days in left and right when the left side of wire module is shielded
The switching of line.
For the situation that sensing unit is only provided with the right of mobile terminal bottom, when sensing module senses antenna mould
When the right of block is shielded, then the antenna of work at present is switched to the first antenna on the left side, so that radiofrequency signal is from the left side
First antenna feed-in, the left side is transferred to by special frequency channel, it is to avoid antenna performance deteriorates.It is determined that the right of Anneta module is shielded
Afterwards, hour is become when sensing module senses parasitic capacitance by sensing unit, it is determined that the right of Anneta module does not have shielded,
Now the antenna of work at present is then switched back into handover module second antenna on the right, to prevent the left side of Anneta module shielded
And influence antenna performance.In other words, under this situation, the antenna with second antenna on the right as work at present is given tacit consent to, only the same day
The antenna of work at present is just switched to the first antenna on the left side when the right of wire module is shielded, so as to realize two days in left and right
The switching of line.
In other embodiments, when mobile terminal also has upper antenna, it is also possible to carry out upper and lower antenna switching.For example, working as
When the left side and/or shielded the right of lower antenna, the antenna of work at present is switched into upper antenna；Instantly antenna is not shielded
Or upper antenna it is shielded when, the antenna of work at present is switched into lower antenna.
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 Anneta module of sensing movement terminal bottom, and root
The antenna of work at present is switched between the first antenna and the second antenna of Anneta module according to shielding status, it is to avoid antenna
Penalty, keeps right-hand man's performance balance of antenna, and antenna performance during mobile terminal is held in lifting, and then lifts user's hand
Online experience and call when holding mobile terminal are experienced.Using technical scheme, by rational design, can be only
The antenna that the right-hand man's performance for designing a full frequency band in mobile terminal bottom is all balanced, so as in networking/operator's existing network
Authenticated connection need not go up antenna auxiliary, that is, omit upper antenna, so that the head SAR tests for solving to be caused by upper antenna are difficult to lead to
The technical problem crossed, is a revolutionary solution.
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 5, proposes the antenna switching method of second embodiment of the invention, and methods described is applied to mobile terminal, wraps
Include following steps：
S11, sensing Anneta module shielding status, the Anneta module near microphone one end of mobile terminal, and including
Respectively positioned at the left side of mobile terminal and the first antenna and the second antenna on the right.
S12, the antenna of work at present is switched between first antenna and the second antenna according to shielding status.
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 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 Anneta module 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 Anneta module.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 Anneta module 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 Anneta module 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 Anneta module 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 Anneta module is not shielded；When sensing unit is only set
When the right of mobile terminal bottom, it is determined that the right of Anneta module is not shielded.
In other embodiments, mobile terminal 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 Anneta module.
In step S12, mobile terminal can control the switching changeable connection first antenna of switch and radio-frequency signal source or
Second antenna and radio-frequency signal source, so that the antenna of work at present is first antenna or the second antenna.Handover module can be arranged
On a printed circuit, the application processor (AP) of mobile terminal can be multiplexed as the control unit of handover module.
In the present embodiment, switching switch is preferably single-pole double-throw switch (SPDT), single-pole double-throw switch (SPDT) one end connection radiofrequency signal
Source, the changeable connection first antenna of the other end or the second antenna.In other embodiments, switching switch can also be other shapes
The switch of formula, such as transistor switch.
Mobile terminal carries out the switching of first antenna and the second antenna especially by the following manner：
The left side and the right for mobile terminal bottom are provided with the situation of sensing unit, when sensing Anneta module
When the left side is shielded, then the antenna of work at present is switched to second antenna on the right, so that radiofrequency signal is from the second of the right
Antenna feed-in, the right is transferred to by special frequency channel, it is to avoid antenna performance deteriorates.When the right for sensing Anneta module is shielded
When, then the antenna of work at present is switched to the first antenna on the left side, so that first antenna feed-in of the radiofrequency signal from the left side, will
Special frequency channel is transferred to the left side, it is to avoid antenna performance deteriorates.
For the situation that sensing unit is only provided with the left side of mobile terminal bottom, when the left side for sensing Anneta module
When shielded, then the antenna of work at present is switched to second antenna on the right, so that second antenna of the radiofrequency signal from the right
Feed-in, the right is transferred to by special frequency channel, it is to avoid antenna performance deteriorates.After it is determined that the left side of Anneta module is shielded, when logical
Cross sensing unit and sense parasitic capacitance change hour, it is determined that the left side of Anneta module does not have shielded, now then by current work
The antenna of work switches back into the first antenna on the left side, and antenna performance is influenceed to prevent the right of Anneta module shielded.In other words,
Under this situation, give tacit consent to antenna with the first antenna on the left side as work at present, just think the left side of Anneta module it is shielded when
The antenna of work at present is switched to second antenna on the right, so as to realize two switchings of antenna in left and right.
For the situation that sensing unit is only provided with the right of mobile terminal bottom, when the right for sensing Anneta module
When shielded, then the antenna of work at present is switched to the first antenna on the left side, so that first antenna of the radiofrequency signal from the left side
Feed-in, the left side is transferred to by special frequency channel, it is to avoid antenna performance deteriorates.After it is determined that the right of Anneta module is shielded, when logical
Cross sensing unit and sense parasitic capacitance change hour, it is determined that the right of Anneta module does not have shielded, now then by current work
The antenna of work switches back into second antenna on the right, and antenna performance is influenceed to prevent the left side of Anneta module shielded.In other words,
Under this situation, give tacit consent to antenna with second antenna on the right as work at present, just think the right of Anneta module it is shielded when
The antenna of work at present is switched to the first antenna on the left side, so as to realize two switchings of antenna in left and right.
In other embodiments, when mobile terminal also has upper antenna, it is also possible to carry out upper and lower antenna switching.For example, working as
When the left side and/or shielded the right of lower antenna, the antenna of work at present is switched into upper antenna；Instantly antenna is not shielded
Or upper antenna it is shielded when, the antenna of work at present is switched into lower antenna.
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 assign instruction switched between the first antenna and the second antenna of mobile terminal bottom, to lift particular context
The OTA performances of antenna during lower holding mobile terminal.
The antenna switching method of the embodiment of the present invention, by the shielding status of the Anneta module of sensing movement terminal bottom,
And the antenna of work at present is switched between the first antenna and the second antenna of Anneta module according to shielding status, it is to avoid
Antenna performance deteriorates, and keeps right-hand man's performance balance of antenna, and antenna performance during mobile terminal is held in lifting, and then lifting is used
Online experience and call when mobile terminal is held at family are experienced.Using technical scheme, by rational design, can be with
The antenna that the right-hand man's performance for only designing a full frequency band in mobile terminal bottom is all balanced, so as in networking/operator
Existing network authenticated connection need not go up antenna auxiliary, that is, omit upper antenna, so that the head SAR for solving to be caused by upper antenna tests difficult
It is a revolutionary solution with the technical problem for passing through.
The present invention proposes a kind of mobile terminal simultaneously, and the mobile terminal includes an antenna assembly, the antenna assembly bag
Include sensing module, handover module, radio-frequency signal source and Anneta module, microphone of the Anneta module near the mobile terminal
One end, the Anneta module includes first antenna and the second antenna respectively positioned at the left side of the mobile terminal and the right, its
In：The sensing module, the shielding status for sensing the Anneta module；The handover module, for according to the masking
State switches over the antenna of work at present between the first antenna and second antenna.Described in the present embodiment
Antenna assembly be antenna assembly 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, radio-frequency signal source
And Anneta module, near microphone one end of the mobile terminal, the Anneta module includes being located at respectively the Anneta module
The left side of the mobile terminal and the first antenna on the right and the second antenna, wherein：
The sensing module, the shielding status for sensing the Anneta module；
The handover module, for according to the shielding status by the antenna of work at present in the first antenna and described second
Switched between antenna.
2. antenna assembly according to claim 1, it is characterised in that the handover module includes that control unit and switching are opened
Close, described control unit is used for：The changeable connection first antenna of the control switching switch and the radio-frequency signal source
Or second antenna and the radio-frequency signal source, so that the antenna of work at present is the first antenna or described second day
Line.
3. antenna assembly according to claim 2, it is characterised in that the switching switch is single-pole double-throw switch (SPDT), described
Single-pole double-throw switch (SPDT) one end connects the radio-frequency signal source, the other end changeable connection first antenna or described second day
Line.
4. the antenna assembly according to claim any one of 1-3, 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 Anneta module.
5. antenna assembly according to claim 4, it is characterised in that the sensing unit is arranged under the mobile terminal
The left side and/or the right in portion.
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 Anneta module；The Anneta module is close to microphone one end of the mobile terminal, and including dividing
Wei Yu not the left side of the mobile terminal and the first antenna on the right and the second antenna；
The antenna of work at present is switched between the first antenna and second antenna according to the shielding status.
7. antenna switching method according to claim 6, it is characterised in that it is described according to the shielding status by current work
The step of antenna of work is switched between the first antenna and second antenna includes：
The changeable connection first antenna of control switching switch and radio-frequency signal source or second antenna and the radio frequency
Signal source, so that the antenna of work at present is the first antenna or second antenna.
8. antenna switching method according to claim 7, it is characterised in that the switching switch is single-pole double-throw switch (SPDT),
Described single-pole double-throw switch (SPDT) one end connects the radio-frequency signal source, the other end changeable connection first antenna or described the
Two antennas.
9. the antenna switching method according to claim any one of 6-8, it is characterised in that the sensing Anneta module
Shielding status the step of include：
The change information of produced parasitic capacitance when sensing limbs near the sensing unit by sensing unit, according to described
The change information of parasitic capacitance determines the shielding status of the Anneta module.
10. a kind of mobile terminal, it is characterised in that including the antenna assembly as described in claim any one of 1-5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611162523.1A CN106850881A (en) | 2016-12-15 | 2016-12-15 | Antenna assembly, antenna switching method and mobile terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611162523.1A CN106850881A (en) | 2016-12-15 | 2016-12-15 | Antenna assembly, antenna switching method and mobile terminal |
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| CN106850881A true CN106850881A (en) | 2017-06-13 |
Family
ID=59140336
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| CN201611162523.1A Pending CN106850881A (en) | 2016-12-15 | 2016-12-15 | Antenna assembly, antenna switching method and mobile terminal |
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| CN108494957A (en) * | 2018-03-13 | 2018-09-04 | 广东欧珀移动通信有限公司 | Antenna switching method, device, storage medium and electronic equipment |
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Application publication date: 20170613 |