CN107968671A - Antenna module, terminal device and improvement aerial radiation refer to calibration method - Google Patents
Antenna module, terminal device and improvement aerial radiation refer to calibration method Download PDFInfo
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- CN107968671A CN107968671A CN201711199190.4A CN201711199190A CN107968671A CN 107968671 A CN107968671 A CN 107968671A CN 201711199190 A CN201711199190 A CN 201711199190A CN 107968671 A CN107968671 A CN 107968671A
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- antenna
- radiation direction
- adjustment unit
- terminal device
- conductor wire
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/40—Circuits
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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
- H01Q1/2258—Supports; Mounting means by structural association with other equipment or articles used with computer equipment
- H01Q1/2266—Supports; Mounting means by structural association with other equipment or articles used with computer equipment disposed inside the computer
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
- H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
- H01Q1/241—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM
- H01Q1/242—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use
- H01Q1/243—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use with built-in antennas
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Computer Hardware Design (AREA)
- General Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Support Of Aerials (AREA)
Abstract
The present invention provides a kind of terminal device, and the terminal device includes antenna module, controller and proximity sensor, and the antenna module includes antenna, radiation direction adjustment unit and RF transceiver；The antenna is electrically connected with the RF transceiver and the radiation direction adjustment unit, the controller is also electrically connected with the RF transceiver and the radiation direction adjustment unit, the proximity sensor is used for detecting in the pre-determined distance of the terminal device whether have destination object, the controller is used for when proximity sensor detects and has destination object in the pre-determined distance of terminal device, control the radiation direction adjustment unit that the radiation direction of antenna is adjusted to the first radiation direction, and control the operating power of the RF transceiver increase antenna.The present invention also provides a kind of antenna module and improvement aerial radiation to refer to calibration method.The present invention can avoid SAR value exceeded, while can ensure communication quality.
Description
Technical field
The present invention relates to the antenna structure of electronic equipment, more particularly to a kind of antenna sets that can improve aerial radiation index
Part, the terminal device with the antenna module and improvement aerial radiation refer to calibration method.
Background technology
SAR (Specific Absorption Rate, specific absorption rate) is to human body on electronic equipments such as mobile phones
One index of radiation, is the forcible authentication index of current electronic equipment, is most complicated among all certifications, and be difficult to resolve the most
One problem.Under normal circumstances, in the case of high-power, when antenna of the human body close to electronic equipment, its energy can quilt
Absorption of human body, causes this index exceeding standard of SAR value, security risk is caused to human body.
At present for the test of SAR value, mainly need to test two kinds of test modes of number of people hand and human body at present, generally
The meaning is exactly terminal close to number of people hand and the body close to people.When there is the problem of SAR value is exceeded, side general at present
Method is exactly to reduce radiant power to improve SAR value.Therefore, in the design of existing electronic equipment, radiated typically by reducing
Power and improve the amount of radiation to human body, and cause electronic equipment SAR value in allowed limits.
However, although to avoid SAR value exceeded for this method for reducing power, but communication quality is have impact on, caused
The communication experiences of user are bad.
The content of the invention
It is an object of the invention to provide a kind of antenna module, there is the terminal device of the antenna module and improve day
Beta radiation refers to calibration method, can be effectively improved the radiation index of antenna and ensure the communication quality of antenna.
In order to solve the above-mentioned technical problem, on the one hand, provide a kind of terminal device, the terminal device includes antenna sets
Part, controller and proximity sensor, the antenna module include antenna, radiation direction adjustment unit and RF transceiver；
The antenna is electrically connected with the RF transceiver and the radiation direction adjustment unit, the controller also with the radio frequency
Transceiver and the radiation direction adjustment unit are electrically connected, and the proximity sensor is used to detect the default of the terminal device
Whether destination object is had in distance, and the controller is used to detect have mesh in the pre-determined distance of terminal device in proximity sensor
When marking object, control the radiation direction adjustment unit that the radiation direction of antenna is adjusted to the first radiation direction, and control institute
State the operating power of RF transceiver increase antenna.
On the other hand, there is provided a kind of antenna module, the antenna module include antenna, radiation direction adjustment unit and penetrate
Frequency transceiver；The antenna is electrically connected with the RF transceiver and the radiation direction adjustment unit, wherein, when the spoke
When penetrating direction adjustment unit the radiation direction of antenna being adjusted to the first radiation direction, the RF transceiver increases antenna at the same time
Operating power.
Another further aspect, there is provided one kind improves aerial radiation and refers to calibration method, and applied in a terminal device, the terminal is set
Whether the proximity sensor of destination object is had in the standby pre-determined distance including antenna and for detecting the terminal device, it is described
Method includes：When the proximity sensor detects and has destination object in the pre-determined distance of terminal device, control antenna
Radiation direction is adjusted to the first radiation direction；And the operating power of control increase antenna.
Antenna module provided by the invention, the terminal device with the antenna module and improve aerial radiation index
Method, can have target object, such as when face is close to terminal device, the radiation direction of antenna is adjusted to deviate face
First radiation direction, avoids SAR value exceeded, meanwhile, the operating power of control increase antenna, ensure that communication quality.
Brief description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are some embodiments of the invention, general for this area
For logical technical staff, without creative efforts, other attached drawings can also be obtained according to these attached drawings.
Fig. 1 is the structure diagram of the terminal device in one embodiment of the invention.
Fig. 2 is the schematic diagram of the first radiation direction of the antenna in one embodiment of the invention.
Fig. 3 is the front schematic view of the terminal device in one embodiment of the invention.
Fig. 4 is emittance schematic diagram of the antenna when all directions radiate in one embodiment of the invention.
Fig. 5 is the concrete structure diagram of the antenna module in one embodiment of the invention.
Fig. 6 is the concrete structure diagram of the antenna module in another embodiment of the present invention.
Fig. 7 is the concrete structure diagram of the antenna module in yet another embodiment of the invention.
Fig. 8 is the diagrammatic cross-section that I-I is splitted along Fig. 3.
Fig. 9 is the schematic rear view of the rear cover in the terminal device in one embodiment of the invention.
Figure 10 is the flow chart that improvement aerial radiation in one embodiment of the invention refers to calibration method.
Embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of not making the creative labor
Embodiment, belongs to the scope of protection of the invention.
In the description of the embodiment of the present invention, it is to be understood that the orientation or position relationship of the instruction such as term " thickness " are
Based on orientation shown in the drawings or position relationship, it is for only for ease of the description present invention and simplifies description, rather than imply or refer to
Show that the device of meaning or element there must be specific orientation, with specific azimuth configuration and operation, thus it is it is not intended that right
The limitation of the present invention, described first, second, also just for the sake of distinguishing, not refers in particular to a certain specific object.
Referring to Fig. 1, being the structure diagram of terminal device 100, the subelement of the terminal device 100 is illustrated.
As shown in Figure 1, the terminal device 100 includes antenna module 1, controller 2 and proximity sensor 3.It is described to connect
Nearly sensor 3 is used for detecting in the pre-determined distance of the terminal device 100 whether have destination object.
Wherein, the antenna module 1 includes antenna 11, radiation direction adjustment unit 12 and RF transceiver 13.
The antenna 11 is electrically connected with the RF transceiver 13 and the radiation direction adjustment unit 12, the control
Device 2 processed is also electrically connected with the RF transceiver 13 and the radiation direction adjustment unit 12.The radiation direction adjusts single
Member 12 is used for the radiation direction for adjusting the antenna 11, the radiation direction of the specific aerial signal for adjusting antenna 11.
The controller 2 is used to detect in the pre-determined distance of terminal device 100 have destination object in proximity sensor 3
When, control the radiation direction adjustment unit 12 that the radiation direction of antenna 11 is adjusted to the first radiation direction, and described in control
RF transceiver 13 increases the operating power of antenna 11.
The controller 2, which is additionally operable to detect in the pre-determined distance of terminal device 100 in proximity sensor 3, does not have target pair
As when, control the radiation direction adjustment unit 12 that the radiation direction of antenna 11 is adjusted to the second radiation direction, and control institute
State the operating power that RF transceiver 13 reduces antenna 11.
In certain embodiments, the operating power of the antenna 11 refers to that day is launched and received to the RF transceiver 13
The transmitting of the aerial signal of line 11 and reception power.Wherein, the pre-determined distance can be 10CM (centimetre).
Wherein, first radiation direction is to deviate the direction of the destination object, i.e. does not radiate the target pair directly
The direction of elephant.Second radiation direction is the optimal radiation direction of antenna 11, wherein, when antenna 11 is in optimal radiation direction
When, under same operating power, the radiance of antenna 11 is optimal.
In certain embodiments, the destination object can be human body.The for example, human body such as face.
So as to which in the application, when destination object is close to terminal device 100, the radiation direction of antenna 11 be adjusted to partially
From the first radiation direction of destination object, so as to avoid directly radiating destination object, SAR value is reduced, while improve antenna
Operating power, ensure that communication quality.Further, when no destination object is close to terminal device 100, by the spoke of antenna 11
Penetrate direction and be adjusted to the second radiation direction of optimal radiation direction, and reduce the operating power of antenna 11, equally ensure that logical
Believe quality, also reduce energy consumption.
Also referring to Fig. 2, for the schematic diagram of the first radiation direction of antenna 11.In certain embodiments, it is described close
Sensor 3 is arranged at the positive S1 of the terminal device 100, specifically for detect terminal device 100 positive S1 it is default away from
Whether there is destination object from interior.If first radiation direction is D1, the first radiation direction D1 concretely with it is described just
The outside vertical direction x1 of face S1 deviates direction more than predetermined angle θ 1 (such as 60 degree).For example, can be to be set to the terminal
The direction of standby 100 side S2 (deviation an angle of 90 degrees) or back side S3 (deviateing 180 degree angle) radiation.
Also referring to Fig. 3, for the front schematic view of terminal device 100.The terminal device 100 further includes display screen 5,
The front S1 refers to the face where the display screen 5.The front S1 that the back side S3 of the terminal device 100 refers to is opposite
Another side, the face for the connection front S1 and back side S3 that the side S2 of the terminal device 100 refers to, including up and down four
A side S2.The proximity sensor 3 is arranged at the position of 5 side of close display screen of the terminal device 100, and described in detecting
Whether display screen 5, i.e., have destination object in the pre-determined distance of described front S1.
Under normal conditions, people are in using terminal equipment 100, for example, during mobile phone, it is necessary to by terminal device 100 place compared with
Majority of case close to human body is when making a phone call or closely seeing the mobile phone, at this time, be all terminal device 100 positive S1 namely
5 side of display screen is near or adjacent to human body.Tend to cause SAR (specific absorption rate) value exceeded at this time.
In the application, when having destination object in the pre-determined distance of the positive S1 of terminal device 100, by the radiation of antenna 11
Direction is adjusted to first radiation direction of side S2 or the back side S3 radiation to the terminal device 100, so as to avoid straight
The destination objects such as radiation human body are connect, avoid 11 face human body radiation of antenna, so as to reduce SAR value, meanwhile, penetrated described in control
Frequency transceiver 13 increases the operating power of antenna 11, it is ensured that the intensity of aerial signal is met the requirements, and ensure that communication matter
Amount.
As previously described when there is no destination object in the pre-determined distance of the positive S1 of terminal device 100, by the spoke of antenna 11
Penetrate the second radiation direction that direction is adjusted to the optimal radiation direction of antenna 11, due to the radiation direction of antenna 11 it is optimal when, together
The power of sample will have optimal communication quality, so that at this point it is possible to reduce the operating power of antenna 11, reduce power consumption.
Obviously, in certain embodiments, the position of the proximity sensor 3 and first radiation direction can be with roots
It is configured according to other demands.For example, the proximity sensor 3 is also provided at the bottom F1 of terminal device 100, first spoke
It can be also to deviate the predetermined angle θ more than 1 with the outside vertical direction of the side S2 of the bottom F1 of terminal device 100 to penetrate direction
Direction.Since the bottom F1 of terminal device 100 is usually provided with the components such as receiver, so that, it is frequently necessary to lean on for user
Receiver of nearly bottom F1 etc. listens the scene of the voice of some social softwares, can also play the effect for reducing SAR value.
Obviously, in further embodiments, the proximity sensor 3 can be at least one such as two, to be respectively arranged at
The positive S1 and bottom F1 of terminal device 100, first radiation direction are satisfaction at the same time and the front of the terminal device 100
The outside vertical direction x1 of S1 deviates direction more than predetermined angle θ 1 (such as 60 degree) and the bottom with the terminal device 100
The outside vertical direction of the side S2 at end deviates the direction of the predetermined angle θ more than 1.
So as to which first radiation direction can be to deviate in advance with the positive outwards vertical direction of the terminal device 100
If more than angle direction and/or deviateing with the outside vertical direction of the side of the bottom of the terminal device 100 described default
Direction more than angle.
Wherein, first radiation direction be the destination objects such as the people for avoiding the privileged site close to terminal device 100 into
Row design, second radiation direction are the optimal radiation direction designed according to the characteristic of antenna 11 itself.First radiation
Direction may be identical with second radiation direction.
It is emittance schematic diagram of the antenna 11 when all directions radiate also referring to Fig. 4.Specifically, Fig. 4 is day
Line 11 with same power to different directions radiate when emittance schematic diagram.As shown in figure 4, set second radiation direction
For D2, when second radiation direction D2 radiation/transmitting antenna signal of the antenna 11 with optimal radiation direction, emittance is most
It is high.When antenna 11 is to other directions, such as during the first radiation direction D1 radiating antenna signals, if the first radiation direction D1
Differed with the second radiation direction D2, then emittance has obvious decrease.So as to when no target object is close to institute
Terminal device 100 is stated, need not consider SAR at this time, radiation direction is arranged to the second radiation direction D2 of optimal radiation direction, and
The operating power of antenna 11 is reduced, so as to ensure that communication quality can save power consumption again.When having target object close to the end
During end equipment 100, by the way that the radiation direction of the antenna 11 is arranged to the first radiation direction D1, so as to avoid direct spoke
Target object is penetrated, reduces SAR value, while improves the operating power of antenna 11, ensures the communication quality of antenna 11.
In certain embodiments, as shown in Figure 1, the radiation direction adjustment unit 12 includes the first adjustment unit 121, the
Two adjustment units 12 and duplexer 123.First adjustment unit, 121 and second adjustment unit 122 is connected to the day
Between line 11 and the duplexer 123.First adjustment unit 121, which is used to control, is adjusted to the radiation direction of antenna 11
First radiation direction, second adjustment unit 122 is used to control is adjusted to the second radiation direction by the radiation direction of antenna 11.
The controller 2 is also electrically connected with the duplexer 123, described for controlling the duplexer 123 to select
One of them in first adjustment unit 121 and the second adjustment unit 122 is in enabled state and by the radiation direction of antenna 11
It is adjusted to first radiation direction or second radiation direction.
Specifically, the controller 2 is detected in the pre-determined distance of terminal device 100 in the proximity sensor 3 mesh
When marking object, control the duplexer 123 to select first adjustment unit 121 to be in enabled state, and pass through described the
The radiation direction of the antenna 11 is adjusted first radiation direction by one adjustment unit 121；The controller 2 is described close
Sensor 3 is detected when not having destination object in the pre-determined distance of terminal device 100, controls the duplexer 123 to select institute
State the second adjustment unit 122 and be in enabled state, and by second adjustment unit 122 by the radiation direction of the antenna 11
It is adjusted to second radiation direction.
In certain embodiments, 121 and second adjustment unit 122 of the first adjustment unit is by adjusting the day of antenna 11
Line parameter and adjust the radiation direction of the antenna 11.
The antenna parameter may include the parameters such as antenna feed electrical length, antenna area, antenna length, antenna when antenna 11
For area when change, the radiation direction of the antenna 11 is by respective change.
Please refer to fig. 5, the concrete structure diagram for the antenna module 1 in an embodiment.As shown in figure 5, in some realities
Apply in example, first adjustment unit 121 includes the first conductor wire L1 being electrically connected with the first position J1 of the antenna 11, institute
State the second conductor wire L2 that the second adjustment unit 122 includes being electrically connected with the second place J2 of the antenna 12.
The antenna 11 further includes distributing point K1, and the distributing point K1 is connected with the antenna-matching circuit 15, and conduct
Signal feed-in point.
The duplexer 123 is connected between the first conductor wire L1, the second conductor wire L2 and ground, for selecting
A ground connection in first conductor wire L1, the second conductor wire L2, that is, select 121 and second adjustment unit of the first adjustment unit
One in 122 is in enabled state.When the first conductor wire L1 is grounded, the antenna 11 is connect by first position J1
Ground, when the second conductor wire L2 is grounded, the antenna 11 is grounded by second place J2.So as to the position that antenna 11 is grounded
Put different, the feed length of antenna 11 is also different, so as to change the spoke of antenna 11 by varying the feed length of antenna
Penetrate direction.
Wherein, as shown in figure 5, the duplexer 123 is single-pole double-throw switch (SPDT) S1, the single-pole double-throw switch (SPDT) S1's is quiet
Contact T1 is grounded, the first movable contact T2 connections the first conductor wire L1, second movable contact T3 connections the second conductor wire L2.
The controller 2 is moved by the stationary contact T1 and the first movable contact T2 and described second for controlling the single-pole double-throw switch (SPDT) S1
One in the T3 of contact connects and selects one in the first conductor wire L1, the second conductor wire L2 to be grounded.
Wherein, the radiation direction of the antenna 11 is most when the first position J1 can be grounded according to the first position J1
Good radiation direction is designed, the radiation side of the antenna 11 when the second place J2 can be grounded according to the second place J2
It is designed to deviate the direction of function element 30.
Referring to Fig. 6, the concrete structure diagram for the antenna module 1 in another embodiment.In another embodiment, with Fig. 5
Difference lies in the duplexer 123 includes two single-pole single-throw switch (SPST)s to shown embodiment, i.e. including the first hilted broadsword list
133 and second single-pole single-throw switch (SPST) 134 of throw switch.First single-pole single-throw switch (SPST) 133 be connected to the ground wire L1 with
Between ground, second single-pole single-throw switch (SPST) 134 is connected between ground wire L2 and the ground.
The controller 2 is by controlling in 133 and second single-pole single-throw switch (SPST) 134 of the first single-pole single-throw switch (SPST)
One of them turns on and selects a ground connection in described ground wire L1, L2.
Referring to Fig. 7, the concrete structure diagram for the antenna module 1 in another embodiment.In another embodiment, described
First is also associated with the first conductor wire L1 being electrically connected with the first position J1 of the antenna 11 that one adjustment unit 121 includes
Conductive part B1, the second conductor wire being electrically connected with the second place J2 of the antenna 12 that second adjustment unit 122 includes
The second conductive part B2 is also connected with L2.That is, described first adjustment unit 121 includes being electrically connected with the first position J1 of the antenna 11
The the first conductor wire L1 connect and the first conductive part B1 being connected on the first conductor wire L1, second adjustment unit
122 include the second conductor wire L2 for being electrically connected with the second place J2 of the antenna 12 and are connected on the second conductor wire L2
Second conductive part B2.Wherein, the area of the first conductive part B1 and the second conductive part B2 are unequal.
The duplexer 123 is connected between the first conductor wire L1, the second conductor wire L2 and ground, for selecting
One in first conductor wire L1, the second conductor wire L2 is grounded and changes the earthing position and antenna area of the antenna 11,
And then change the antenna feed electrical length and antenna area of antenna 11.
That is, when the controller 2 controls the duplexer 123 to select in the first conductor wire L1, the second conductor wire L2
During one ground connection, the earth point of the antenna 11 corresponds to difference, and is connected with the conductive part of different area.So as to the antenna
11 antenna feed electrical length will change at the same time with antenna area, so as to change the radiation direction of antenna.
Specifically, when the first conductor wire L1 is grounded, the antenna 11 is grounded by first position J1, while described
First conductive part B1 causes that the area of antenna is the first area with antenna 11 collectively as radiator.When second conductor wire
When L2 is grounded, the antenna 11 is grounded by second place J2, while the second conductive part B2 and antenna 11 are collectively as spoke
Beam and cause antenna area be second area.
Wherein, the antenna 11 is made of conductive metallic material, and antenna letter is carried out as the radiator in antenna module 1
Number transmitting-receiving.
Wherein, the first conductor wire L1 and the second conductor wire L2 is for conductiving metal strip etc., first conductive part
B1 and the second conductive part B2 can be attached to respectively on the first conductor wire L1 and the second conductor wire L2 and with described first
Conductor wire L1 and the second conductor wire L2 are electrically connected.
In certain embodiments, the area of the first position J1 and the first conductive part B1 can be according to described first
The radiation direction of the antenna 11 is designed for optimal radiation direction when position J1 is grounded, the second place J2 and described
The radiation direction of the antenna 11 is deviation effector when the area of second conductive part B2 can be grounded according to the second place J2
The direction of part 30 is designed.
So as in the application, by the operating power and radiation direction of combine antenna 11, and cause antenna 11 to exist
It can either ensure communication quality when working under different operating powers, and can ensure that radiation dispersion will not be exceeded.
As shown in Figure 1, the antenna module 1 further includes antenna-matching circuit 14, the RF transceiver 13 is logical
The antenna-matching circuit 14 is crossed to be connected with the antenna 11；The antenna-matching circuit 14 is used for the RF transceiver 13
And the impedance between the antenna 11 is matched, the RF transceiver 11 is used for realization the aerial signal of multiple frequency range
Receive and dispatch and respond the control of the controller 2 and change the operating power of the antenna 11.
Wherein, the proximity sensor 3 is can be infrared sensor, for launching infrared signal and to receive target object anti-
It is emitted back towards the infrared signal come and determines whether there is destination object in pre-determined distance.In further embodiments, the proximity sensor 3
It can be optical sensor, when target object is close to terminal device 100, the light for entering proximal to sensor 3 be blocked, so that described connect
Nearly change of the sensor 3 by detecting current ambient brightness or ambient brightness determines whether that destination object is close, such as when
Proximity sensor 3 detects current ambient brightness by bright dimmed, then judges have the destination object close.In other embodiments, institute
It can be also camera to state proximity sensor 3, determine whether there is target in the pre-determined distance of terminal device 100 by shooting image
Object is close.
The controller 2 can be central processing unit, microcontroller, microcontroller, digital signal processor etc..
Referring to Fig. 8, it is the cross-sectional view that I-I is splitted along Fig. 3 of terminal device 100 in an embodiment.Wherein,
Side schematic view described in Fig. 8 is the schematic diagram for the grade Facad structure of display screen 5 for eliminating terminal device 100, is only illustrated
Part-structure.
The terminal device 100 further includes rear cover 4 and circuit board 5, wherein, the antenna 11 is to be arranged at rear cover 4
Set on inner surface or close to the rear cover 4, wherein, foregoing controller 2, RF transceiver 13, antenna-matching circuit 14 etc.
It is arranged on the circuit board 5.
Referring to Fig. 9, the schematic rear view for terminal device 100.Wherein, on the rear cover 4 respective antenna 11 position
A plurality of gap 41 is offered, the empty regions on rear cover 4 are formed, for the transmitting-receiving of the signal of antenna 11.Wherein, a plurality of seam
Gap is parallel slit, the nonmetallic materials such as resin material or glue is also filled with a plurality of gap 41, to strengthen rear cover 4
Intensity.
In certain embodiments, a plurality of gap 41 is slit, slit width 0.05mm, 0.3mm or 0.05mm~0.3mm
In any number, and the number in gap 41 be 5,10 or 5~10 in arbitrary number.Utilize the slit 41
Slit width ensures maximum in 0.05mm so that the slit 41 can not directly be told by user, and ensure the rear cover 40 most
Low radio frequency efficiency, on the contrary, the slit width of the slit 41 ensures maximum in 0.3mm so that still can not be by user on naked eyes
Identify, and the radio frequency efficiency of the rear cover 4 is improved.Equally, the number of the slit 41 is minimum controls at 5, with
Ensure the radiance of the rear cover 4, in the maximum control of the bar number of the slit 41 at 10, to ensure the outer of the rear cover 4
See and require.
Wherein, the rear cover 4 is metal back cover.Wherein, foregoing back side S3 is the outer surface of the rear cover 4.
As shown in figure 9, being further opened with shooting head bore 401 on the rear cover 4, the shooting head bore 401 is close to the rear cover 4
Top margin 402 set.Wherein, a plurality of gap 41 is to be arranged at shooting head bore 401 and 402 edge of top margin of the rear cover 40
Between.The extension shape in a plurality of gap 41 is roughly the same with the extension shape of the top margin 402 of the rear cover 4.That is, every seam
Gap 41 all includes at least a straightway and two arc sections for being connected to the straightway both ends.Wherein, the shooting head bore
401 be dual camera hole, the dual-camera structure formed for housing two cameras, or the shooting head bore 401 is imitative
Dual camera hole, structure is taken the photograph for housing imitative pair that a camera and a flash lamp are formed.
In certain embodiments, the antenna 11, the position that circuit board 5 is the top F2 for being disposed in proximity to terminal device 100
Put, and the antenna 11 extends along the edge of the top F2 of the terminal device 100.
In certain embodiments, the quantity of the antenna 11 can be two, respectively close to the top of the terminal device 100
F2 and bottom F1 is set.That is, the position near the top F2 and bottom F1 of described terminal device 100 is both provided with antenna
11。
In certain embodiments, as shown in figure 9, when the bottom F1 of the terminal device 100 is nearby also equipped with antenna 11
When, the base 403 of the rear cover 4 nearby also offers a plurality of foregoing gap 41, for the clearance zone as the antenna 11
Domain.The shape in a plurality of gap 41 that the base 403 of the rear cover nearby opens up is also close with the extension shape on the base 403
Seemingly.
Obviously, when the quantity of antenna 11 is two, each antenna 11 can connect corresponding radiation direction adjustment unit
12 and carry out the adjusting of foregoing radiation direction under control of the controller 2, while each antenna 11 can also pass through antenna
Corresponding RF transceiver 13 is connected with circuit 14, and changes the operating power of antenna 11 under control of the controller 2.
Wherein, the display screen 5 includes display area 51 and the non-display area outside the display area 51
52, the antenna 11 and proximity sensor 3 are the 52 corresponding position of the non-display area being arranged in the terminal device 100
Put.
Wherein, the circuit board 5 can be the mainboard of terminal device 100.
Wherein, the terminal device 100 can be mobile phone, tablet computer.The antenna 11 is the antenna of respective shapes function
Radiator, may be, for example, PIFA antennas etc..
Referring to Fig. 10, refer to the flow chart of calibration method for the improvement aerial radiation in one embodiment of the invention.At some
In embodiment, the method can be applied in foregoing antenna module 1 and terminal device 100, and the described method includes following step
Suddenly：
Whether detected by proximity sensor 3 has destination object (S801) in the pre-determined distance of the terminal device 100.
In some embodiments, the step S801 is specifically included, in the pre-determined distance for the positive S1 for detecting the terminal device 100 whether
There is destination object.When having destination object in the pre-determined distance of the terminal device 100, step S803 is performed, when the terminal
When there is no destination object in the pre-determined distance of equipment 100, step S805 is performed.
When proximity sensor detects and has destination object in the pre-determined distance of terminal device, control the radiation side of antenna
To being adjusted to the first radiation direction, and control the operating power (S803) of increase antenna 11.In certain embodiments, described first
Radiation direction is to deviate the direction of the destination object.In certain embodiments, first radiation direction be specially with it is described
Terminal device 100 it is positive outwards vertical direction deviate predetermined angle more than direction and/or with the terminal device 100
The outside vertical direction of the side of bottom deviates the direction more than predetermined angle.
Proximity sensor 3 detect there is no destination object in the pre-determined distance of terminal device 100 when, control antenna 11
Radiation direction be adjusted to the second radiation direction, and control reduce antenna 11 operating power (S805).Wherein, second spoke
Penetrate the optimal radiation direction that direction is antenna 11.
In certain embodiments, the step S803 includes：, will when the operating power of the antenna is first kind power
The radiation direction of the antenna is switched to the first radiation direction of optimal radiation direction；It is second in the operating power of the antenna
During class power, the radiation direction of the antenna is switched to the second radiation direction of the function element for deviateing the terminal device；
Wherein, the performance number of the first kind power is less than the performance number of the second class power.
Wherein, in certain embodiments, the step S803 more specifically includes：By controlling the spoke in antenna module 1
Penetrate direction adjustment unit 12 and the radiation direction of antenna 11 is adjusted to the first radiation direction, and control RF transceiver 13 to increase day
The operating power of line 11.More specifically, it is described " by controlling the radiation direction adjustment unit 12 in antenna module 1 by antenna 11
Radiation direction be adjusted to the first radiation direction " include：The duplexer 123 in the radiation direction adjustment unit 12 is controlled to select
Select the first adjustment unit 121 in the radiation direction adjustment unit 12 and be in enabled state, and adjusted by described first single
The radiation direction of the antenna 11 is adjusted first radiation direction by member 121.
In certain embodiments, the step S805 more specifically includes：Control the radiation direction adjustment unit 12 will
The radiation direction of antenna 11 is adjusted to the second radiation direction, and controls the work work(of the reduction of RF transceiver 13 antenna 11
Rate.More specifically, it is described " to control the radiation direction adjustment unit 12 that the radiation direction of antenna 11 is adjusted to the second radiation side
To " include：" duplexer 123 in control selects the second adjustment unit 122 in the radiation direction adjustment unit 12 to be in
Enabled state, and the radiation direction of the antenna 11 is adjusted to by the second radiation side by second adjustment unit 122
To ".
In certain embodiments, " by first adjustment unit 121 by described in the radiation direction adjusting of the antenna 11
The radiation direction of the antenna 11 " is adjusted to second spoke by the first radiation direction " by second adjustment unit 122
Penetrate direction " include：Pass through and tell that the antenna parameter of antenna 11 is adjusted to by the first adjustment unit 121 or the second adjustment unit 122
Corresponding antenna parameter and the radiation direction of the antenna 11 is adjusted to the first radiation direction or the second radiation direction, wherein,
The antenna parameter is antenna feed electrical length, antenna area etc..
Antenna module provided by the invention, the terminal device with the antenna module and improve aerial radiation index
Method, the radiation direction of antenna is adjusted according to the current watt level of antenna, so as to ensure the communication quality of antenna
On the premise of, while ensure that the radiation dispersion of antenna will not be exceeded.
Above is the embodiment of the embodiment of the present invention, it is noted that come for those skilled in the art
Say, on the premise of principle of the embodiment of the present invention is not departed from, some improvements and modifications can also be made, these improvements and modifications
It is considered as protection scope of the present invention.
Claims (25)
- A kind of 1. terminal device, it is characterised in that the terminal device includes antenna module, controller and proximity sensor, The antenna module includes antenna, radiation direction adjustment unit and RF transceiver；The antenna and the RF transceiver And the radiation direction adjustment unit is electrically connected, the controller also with the RF transceiver and the radiation direction tune Save unit to be electrically connected, the proximity sensor is used for detecting whether have destination object in the pre-determined distance of the terminal device, institute State controller to be used for when proximity sensor detects and has destination object in the pre-determined distance of terminal device, control the radiation side The radiation direction of antenna is adjusted to the first radiation direction to adjustment unit, and controls the work of the RF transceiver increase antenna The rate of doing work.
- 2. terminal device according to claim 1, it is characterised in that the controller is additionally operable to detect in proximity sensor When not having destination object in the pre-determined distance of terminal device, the radiation direction adjustment unit is controlled by the radiation direction of antenna The second radiation direction is adjusted to, and controls the operating power of the RF transceiver reduction antenna.
- 3. terminal device according to claim 2, it is characterised in that first radiation direction is the deviation target pair The direction of elephant, second radiation direction are the optimal radiation direction of antenna.
- 4. terminal device according to claim 3, it is characterised in that the proximity sensor is at least one, is arranged at The front and/or bottom of the terminal device, first radiation direction are outwards hung down to deviate the positive of the terminal device Outside vertical direction preset angle of the Nogata to direction more than predetermined angle and/or the side for the bottom for deviateing the terminal device Direction more than degree.
- 5. according to claim 2-4 any one of them terminal devices, it is characterised in that the radiation direction adjustment unit includes First adjustment unit, the second adjustment unit and duplexer, the controller are used to control described in the duplexer selection One of them in first adjustment unit and the second adjustment unit is in enabled state and the radiation direction of antenna is adjusted to institute State the first radiation direction or the second radiation direction.
- 6. terminal device according to claim 5, it is characterised in that the controller is detected in the proximity sensor When having destination object in the pre-determined distance of terminal device, the duplexer is controlled to select first adjustment unit to be in enabled State, and the radiation direction of the antenna is adjusted by first radiation direction by first adjustment unit；The control Device the proximity sensor detect there is no destination object in the pre-determined distance of terminal device when, control the duplexer to select Select second adjustment unit and be in enabled state, and adjusted the radiation direction of the antenna by second adjustment unit To deviate the second radiation direction of the function element.
- 7. terminal device according to claim 6, it is characterised in that first adjustment unit and the second adjustment unit are led to Overregulate the antenna parameter of antenna and adjust the radiation direction of the antenna, the antenna parameter includes antenna feed electrical length, day At least one of line area.
- 8. terminal device according to claim 7, it is characterised in that first adjustment unit includes and the antenna The first conductor wire that first position is electrically connected, second adjustment unit include the be electrically connected with the second place of the antenna Two conductor wires, the duplexer are connected between first conductor wire, the second conductor wire and ground, for selecting first to lead One in electric wire, the second conductor wire is grounded and changes the earthing position of the antenna and then change the antenna feed length of antenna Degree.
- 9. terminal device according to claim 7, it is characterised in that first adjustment unit and the first of the antenna The first conductor wire that position is electrically connected and the first conductive part being connected on first conductor wire, second adjustment unit Including the second conductor wire being electrically connected with the second place of the antenna and what is be connected on second conductor wire second lead Electric portion, the area of first conductive part and second conductive part is unequal, and the duplexer is connected to described first and leads Between electric wire, the second conductor wire and ground, for a ground connection in the first conductor wire of selection, the second conductor wire described in change The earthing position and antenna area of antenna, and then change the antenna feed electrical length and antenna area of antenna.
- 10. terminal device according to claim 8 or claim 9, it is characterised in that the duplexer is opened including single-pole double throw Close, the stationary contact ground connection of the single-pole double-throw switch (SPDT), the first movable contact connects first conductor wire, the second movable contact connection institute It is conductive to state second；The controller is by controlling the stationary contact of the single-pole double-throw switch (SPDT) and first movable contact and described the One in two movable contacts connects and selects one in first conductor wire, the second conductor wire to be grounded.
- 11. terminal device according to claim 8 or claim 9, it is characterised in that the duplexer includes the first single-pole single-throw(SPST Switch and the second single-pole single-throw switch (SPST), first single-pole single-throw switch (SPST) are connected between first conductor wire and ground, institute The second single-pole single-throw switch (SPST) is stated to be connected between second conductor wire and ground；The controller is by controlling first hilted broadsword One of conducting in single-throw switch and the second single-pole single-throw switch (SPST) and select in first conductor wire, the second conductor wire One ground connection.
- 12. terminal device according to claim 1, it is characterised in that the antenna module further includes antenna-matching circuit, The RF transceiver is connected by the antenna-matching circuit with the antenna；The antenna-matching circuit is used to penetrate to described Impedance between frequency transceiver and the antenna is matched, and the RF transceiver is used for realization the antenna letter of multiple frequency range Number transmitting-receiving and respond the control of the controller and change the operating power of the aerial signal.
- 13. a kind of antenna module, applied in a terminal device, it is characterised in that the antenna module includes antenna, radiation side To adjustment unit and RF transceiver；The antenna is electrically connected with the RF transceiver and the radiation direction adjustment unit Connect, wherein, when the radiation direction of antenna is adjusted to the first radiation direction by the radiation direction adjustment unit, the radio frequency is received Hair device increases the operating power of antenna at the same time.
- 14. antenna module according to claim 13, it is characterised in that when the radiation direction adjustment unit is by antenna When radiation direction is adjusted to the second radiation direction, the RF transceiver reduces the operating power of antenna at the same time.
- 15. antenna module according to claim 14, it is characterised in that first radiation direction is the deviation terminal The positive outwards side of direction more than vertical direction predetermined angle and/or the bottom for deviateing the terminal device of equipment Direction more than outside vertical direction predetermined angle, second radiation direction are the optimal radiation direction of the antenna.
- 16. the antenna module according to claims 14 or 15, it is characterised in that the radiation direction adjustment unit includes the One adjustment unit, the second adjustment unit and duplexer, the duplexer select first adjustment unit to be in enabled During state, the radiation direction of the antenna is adjusted first radiation direction, the duplexer by first adjustment unit When selecting second adjustment unit to be in enabled state, the radiation direction of the antenna is adjusted to by second adjustment unit Deviate the second radiation direction of the function element.
- 17. antenna module according to claim 16, it is characterised in that first adjustment unit and the second adjustment unit Adjust the radiation direction of the antenna by adjusting the antenna parameter of antenna, the antenna parameter include antenna feed electrical length, At least one of antenna area.
- 18. antenna module according to claim 17, it is characterised in that first adjustment unit includes and the antenna The first conductor wire for being electrically connected of first position, second adjustment unit includes being electrically connected with the second place of the antenna Second conductor wire, the duplexer are connected between first conductor wire, the second conductor wire and ground, for selecting first One in conductor wire, the second conductor wire is grounded and changes the earthing position of the antenna and then change the antenna feed length of antenna Degree.
- 19. antenna module according to claim 17, it is characterised in that first adjustment unit includes and the antenna The first conductor wire for being electrically connected of first position and the first conductive part for being connected on first conductor wire, described second adjusts Section unit includes the second conductor wire being electrically connected with the second place of the antenna and is connected on second conductor wire Second conductive part, the area of first conductive part and second conductive part is unequal, and the duplexer is connected to described Between first conductor wire, the second conductor wire and ground, change for selecting a ground connection in the first conductor wire, the second conductor wire Become the earthing position and antenna area of the antenna, and then change the antenna feed electrical length and antenna area of antenna.
- 20. the antenna module according to claim 18 or 19, it is characterised in that the duplexer is opened including single-pole double throw Close, the stationary contact ground connection of the single-pole double-throw switch (SPDT), the first movable contact connects first conductor wire, the second movable contact connection institute It is conductive to state second；The stationary contact point selection of the single-pole double-throw switch (SPDT) and one in first movable contact and second movable contact It is a connection and select one in first conductor wire, the second conductor wire to be grounded.
- 21. the antenna module according to right wants 18 or 19, it is characterised in that the duplexer includes the first single-pole single-throw(SPST Switch and the second single-pole single-throw switch (SPST), first single-pole single-throw switch (SPST) are connected between first conductor wire and ground, institute The second single-pole single-throw switch (SPST) is stated to be connected between second conductor wire and ground；First single-pole single-throw switch (SPST) and the second list One of conducting in monopole single throw switch and select one in first conductor wire, the second conductor wire to be grounded.
- 22. antenna module according to claim 13, it is characterised in that the antenna module further includes antenna match electricity Road, the RF transceiver are connected by the antenna-matching circuit with the antenna；The antenna-matching circuit is used for institute The impedance stated between RF transceiver and the antenna is matched, and the RF transceiver is used for realization the day of multiple frequency range The transmitting-receiving of line signal simultaneously responds the control of the controller and changes the operating power hair of the aerial signal.
- 23. one kind improves aerial radiation and refers to calibration method, applied in a terminal device, it is characterised in that the terminal device Whether the proximity sensor of destination object, the side are had in pre-determined distance including antenna and for detecting the terminal device Method includes：When the proximity sensor detects and has destination object in the pre-determined distance of terminal device, control the radiation side of antenna To being adjusted to the first radiation direction；AndThe operating power of control increase antenna.
- 24. according to the method for claim 23, it is characterised in that the method further includes：The proximity sensor detect there is no destination object in the pre-determined distance of terminal device when, control the radiation of antenna Direction is adjusted to the second radiation direction and control reduces the operating power of antenna.
- 25. according to the method for claim 24, it is characterised in that first radiation direction is the deviation destination object Direction, second radiation direction be the antenna optimal radiation direction.
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| CN201711199190.4A CN107968671A (en) | 2017-11-23 | 2017-11-23 | Antenna module, terminal device and improvement aerial radiation refer to calibration method |
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| CN201711199190.4A CN107968671A (en) | 2017-11-23 | 2017-11-23 | Antenna module, terminal device and improvement aerial radiation refer to calibration method |
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Address after: 523860 No. 18, Wu Sha Beach Road, Changan Town, Dongguan, Guangdong Applicant after: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS Corp.,Ltd. Address before: 523860 No. 18, Wu Sha Beach Road, Changan Town, Dongguan, Guangdong Applicant before: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS Corp.,Ltd. |
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Application publication date: 20180427 |