CN104300224B - Antenna assembly, electronic equipment and the method for setting antenna assembly - Google Patents
Antenna assembly, electronic equipment and the method for setting antenna assembly Download PDFInfo
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- CN104300224B CN104300224B CN201310295889.6A CN201310295889A CN104300224B CN 104300224 B CN104300224 B CN 104300224B CN 201310295889 A CN201310295889 A CN 201310295889A CN 104300224 B CN104300224 B CN 104300224B
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Abstract
There is provided a kind of antenna assembly, the electronic equipment with the antenna assembly and the method for setting antenna assembly.The electronic equipment has conductor shell area and aerial signal transceiver.The antenna assembly includes:Radiating element, the first irradiation unit formed using the part in the conductor shell area, radiating element is used to launch and reception antenna signal;First earth terminal, on the first position in the conductor shell area, for being connected to ground;Second earth terminal, on the second place in the conductor shell area, for being connected to ground, the second place is different from the first position;Feed end, for the radiating element to be couple into the aerial signal transceiver.In the technical scheme disclosed in the embodiment of the present invention, the appearance design demand of electronic equipment can be met while the performance of antenna is ensured.
Description
Technical field
The present invention relates to communication technical field, more particularly, to a kind of antenna assembly, the electronics with the antenna assembly
Equipment and the method for setting antenna assembly.
Background technology
With the fast development of mobile communication technology, many electronic equipments equipped with antenna to transmit information and data etc.,
Computer, personal digital assistant, mobile communication terminal etc..In addition, the outward appearance of such as metal-like of the electronic equipment
Design is also of interest for user.Therefore, it is desirable to which electronic equipment also has good outward appearance while having excellent antenna performance
Design.
The Antenna Design of existing electronic equipment is generally using conventional inverse-F antenna(IFA, Planar Inverted F
Antenna), unipole antenna etc. carry out built-in aerial design, the performance of the built-in aerial is easily by the metal of electronic equipment
The influence of shell.Therefore, a kind of existing technical scheme is to do part to the metal shell of electronic equipment to empty processing, to meet
The radiance of antenna;Another existing technical scheme is to launch for example with the becket in shell and receive signal,
The program is the principle based on loop aerial, and needs to set fracture in becket.The part empties processing and fracture drop
The low aesthetic feeling of the appearance design of electronic equipment, and reduce the bulk metal texture and its structure design intensity of electronic equipment.
Therefore, existing antenna is difficult to the appearance design demand that electronic equipment is taken into account while the performance of antenna is ensured.
The content of the invention
The embodiments of the invention provide a kind of antenna assembly, the electronic equipment with the antenna assembly and for setting antenna
The method of device, it can meet the appearance design demand of electronic equipment while the performance of antenna is ensured.
On the one hand there is provided a kind of antenna assembly, applied to electronic equipment, the electronic equipment has conductor shell area and antenna
Signal transceiver, the antenna assembly may include:Radiating element, the first spoke formed using the part in the conductor shell area
Portion is penetrated, the radiating element is used to launch and reception antenna signal;First earth terminal, the first position positioned at the conductor shell area
On, for being connected to ground;Second earth terminal, on the second place in the conductor shell area, for being connected to ground, the second
Put different from the first position;Feed end, for the radiating element to be couple into the aerial signal transceiver.
In the antenna assembly, first position at first earth terminal can the impedance of the antenna assembly come
It is determined that.
In the antenna assembly, the second place at second earth terminal can be based in the conductor shell area
The voltage's distribiuting of aerial signal determines that the first position and the second place can be located at the not homonymy of the feed end respectively.
In the antenna assembly, the radiating element may also include the second radiation coupled with first irradiation unit
Portion, first irradiation unit is used for the aerial signal for radiating and receiving the first frequency range, and second irradiation unit is used to radiate and connect
The aerial signal of the second frequency range is received, the frequency of second frequency range can be higher than the frequency of the first frequency range.
In the antenna assembly, it can also include:Antenna-matching circuit, is coupled in the feed end and antenna letter
Between number transceiver, the antenna-matching circuit can have the first working condition corresponding with the first frequency range and corresponding with the second frequency range
The second working condition.
In the antenna assembly, the radiating element may also include and first irradiation unit and second irradiation unit
In at least one coupling the 3rd irradiation unit, the 3rd irradiation unit is used to radiating and receiving the aerial signal of the 3rd frequency range,
The frequency of 3rd frequency range is different from the frequency of the first frequency range and the second frequency range.
In the antenna assembly, the conductor shell area can also have the 3rd earth terminal for being used for being connected to ground, the 3rd
Earth terminal can be located at the region in the conductor shell area in addition to first irradiation unit.
On the other hand there is provided a kind of electronic equipment, including:Conductor shell area;Aerial signal transceiver;
Antenna assembly, including:Radiating element, the first irradiation unit formed using the part in the conductor shell area,
The radiating element is used to launch and reception antenna signal;First earth terminal, on the first position in the conductor shell area, is used for
It is connected to ground;Second earth terminal, on the second place in the conductor shell area, for being connected to ground;Feed end, for by institute
State radiating element and be couple to the aerial signal transceiver.
Another aspect is there is provided a kind of method for setting antenna assembly, and the antenna assembly is applied to have conductor shell
Area and the electronic equipment of aerial signal transceiver, this method include:First is formed using the part in the conductor shell area to radiate
Portion, to launch and reception antenna signal;First ground connection on ground is arranged for connection on the first position in the conductor shell area
End;Second earth terminal on ground is arranged for connection on the second place in the conductor shell area, the second place is different from institute
State first position;Set feed end that first irradiation unit is couple into the aerial signal transceiver.
Described for setting in the method for antenna assembly, the first position at first earth terminal can be based on institute
The impedance of antenna assembly is stated to determine.
Described for setting in the method for antenna assembly, the second place at second earth terminal can be based on institute
State the antenna signal voltage in conductor shell area to determine, the first position and the second place are located at the feed end not respectively
Homonymy.
Described for setting in the method for antenna assembly, it may also include:The coupled with first irradiation unit is set
Two irradiation units, wherein, first irradiation unit is used for the aerial signal for radiating and receiving the first frequency range, and second irradiation unit is used
In the aerial signal for radiating and receiving the second frequency range, the frequency of second frequency range is higher than the frequency of the first frequency range.
Described for setting in the method for antenna assembly, it may also include:Received in the feed end and the aerial signal
Antenna-matching circuit is set between hair device, the antenna-matching circuit has the first working condition corresponding with the first frequency range and with the
Corresponding second working condition of two frequency ranges.
Described for setting in the method for antenna assembly, it may also include:Set and first irradiation unit and described the
3rd irradiation unit of at least one coupling in two irradiation units, the 3rd irradiation unit is used for the day for radiating and receiving the 3rd frequency range
Line signal, the frequency of the 3rd frequency range is different from the frequency of the first frequency range and the second frequency range.
Described for setting in the method for antenna assembly, it may also include:Connection is provided in the conductor shell area
To the 3rd earth terminal on ground, the 3rd earth terminal is located at the region in addition to first irradiation unit in the conductor shell area.
Said antenna device in the embodiment of the present invention, the electronic equipment with the antenna assembly and for setting day traditional thread binding
The method put, two ground connection are set by using formation irradiation unit in the conductor shell area of electronic equipment and in the conductor shell area
End, so as to meet the appearance design demand of electronic equipment while the performance of antenna is ensured.
Brief description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be in embodiment or description of the prior art
The required accompanying drawing used is briefly described, it should be apparent that, drawings in the following description are only some realities of the present invention
Example is applied, for those of ordinary skill in the art, on the premise of not paying creative work, can also be according to these accompanying drawings
Obtain other accompanying drawings.
Fig. 1 is the block diagram for schematically illustrating antenna assembly according to embodiments of the present invention;
Fig. 2 schematically illustrates the structure chart of the radiating element in antenna assembly according to embodiments of the present invention;
Fig. 3 schematically illustrates the equivalent circuit of the antenna-matching circuit in antenna assembly according to embodiments of the present invention
Figure;
Fig. 4 schematically illustrates the block diagram of electronic equipment according to embodiments of the present invention;
Fig. 5 is to schematically illustrate the flow chart for being used to set the method for antenna assembly according to embodiments of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is a part of embodiment of the invention, rather than whole embodiments.
In an embodiment of the present invention, the radiation list of antenna is made up of a part of conductor on the housing by electronic equipment
Member, and two earth terminals of setting in the conductor shell area, so that complete becket is formd using the conductor shell area, and
Do not enter Break Row processing to housing, so as to meet the appearance design demand of electronic equipment;And because the conductor shell area
A part is by as irradiation unit, so the screen effect of the housing of electronic equipment is avoided, so as to ensure that the property of antenna assembly
Energy.
Fig. 1 is the block diagram for schematically illustrating antenna assembly 100 according to embodiments of the present invention.The antenna assembly 100 can
Applied to any electronic equipment, including but not limited to computer, personal digital assistant, mobile communication terminal, audiovisual players etc..
Hereinafter, illustrated by taking mobile communication terminal as an example.
The electronic equipment has conductor shell area and aerial signal transceiver, and the conductor shell area is, for example, metal shell.
In existing electronic equipment, in order to increase metal-like, it is usually desirable to use metal(For example, copper, aluminium, alloy etc.)It is used as electronics
The housing of equipment, and because metal material has good hardness, so as to add the structural strength of electronic equipment.With electronics
Equipment is exemplified by mobile communication terminal, the conductor shell area can be the frame of mobile communication terminal, rear shell etc., the conductor shell
Area can also be the ornamental region being made of an electrically conducting material on electronic equipment.In addition, as needed, the housing of electronic equipment
In addition to including conductor shell area, other materials can also be included(Such as insulating materials)Part, and might not be all
Conductor shell area.Any part of the housing of the electronic equipment can be set according to the need for appearance design, structural strength etc.
Conductor shell area is calculated as, the size in the conductor shell area, position in the housing of electronic equipment etc. are not construed as limiting the invention.
With reference to Fig. 1, the antenna assembly 100 includes:Radiating element, is formed using the part in the conductor shell area
First irradiation unit 111, the radiating element is used to launch and reception antenna signal;First earth terminal 120, positioned at the conductor shell area
First position on, for being connected to ground;Second earth terminal 130, on the second place in the conductor shell area, for connecting
To ground, the second place is different from the first position;Feed end 140, for the radiating element to be couple into the antenna
Signal transceiver.
The first irradiation unit 111 in the radiating element utilizes the conductor shell area of the electronic equipment(It is located at antenna in Fig. 1
Rectangular region in device 100)A part come the first irradiation unit 111 for being formed.By taking mobile communication terminal as an example, this first
Irradiation unit 111 can be half in the quadrangle metal edge frame of mobile communication terminal, a side or be mobile communication terminal
Rear shell on metal bar-shaped zone.Alternatively, first irradiation unit 111 can also be such as merchandise marks on electronic equipment
Etc ornamental conductor.In order to avoid antenna is blocked by human hand during the use of electronic equipment, hand can be selected to be difficult to
The conductor for the position held is used as first irradiation unit 111.
First irradiation unit 111 forms complete conductor loop together with the earth terminal 130 of the first earth terminal 120 and second,
So as to form loop aerial in the case where not needing fracture.First irradiation unit 111 is used for the day for radiating and receiving the first frequency range
Line signal, first frequency range can be the low frequency band in the whole frequency range of aerial signal, such as whole frequency range 820MHz-
824MHz-894Mhz in 960Mhz.Because, low frequency signal needs larger irradiation unit to be radiated and received, and
A part for the housing being made up of conductor of electronic equipment(That is conductor shell area)The unspecial space for taking electronic equipment, so
The size in conductor shell area can be made full use of to form the first irradiation unit 111 for transmitting low frequency signal, so that it is traditional thread binding to reduce day
The space hold for the radiating element put.
The radiating element of the antenna assembly 100 of the present invention, can be with other in addition to including first irradiation unit 111
Irradiation unit, further illustrated with reference to Fig. 2.
Fig. 2 schematically illustrates the structure chart of the radiating element in antenna assembly according to embodiments of the present invention.
In radiating element in the antenna assembly of Fig. 2 mobile communication terminal, except utilizing metal edge frame as described above
To be formed outside the first irradiation unit 111, the second irradiation unit 112 and the 3rd radiation are also formd in the housing of mobile communication terminal
Portion 113.That is, the radiating element may also include:Second irradiation unit 112, is coupled with first irradiation unit, and described the
Two irradiation units are used for the aerial signal for radiating the second frequency range, and the frequency of second frequency range is higher than the frequency of the first frequency range;With the 3rd
At least one coupling in irradiation unit 113, with first irradiation unit 111 and second irradiation unit 112, the 3rd radiation
Portion 113 is used for the aerial signal for radiating and receiving the 3rd frequency range, and the frequency of the 3rd frequency range is different from the first frequency range and second
The frequency of frequency range.
The second irradiation unit 112 in Fig. 2 includes the Liang Ge branches being connected with the first irradiation unit 111, to radiate and receive the
The aerial signal of two frequency ranges.The structure of second irradiation unit 112 is not limited to the shown of Fig. 2, its can also be other sizes and
The branch of shape, for example, planar inverted-F antenna(PIFA)The branch of shape.When realizing, can according to the bandwidth of the second frequency range,
Frequency etc. uses the second irradiation unit 112 of different structure.As described above, the first irradiation unit 111 can be advantageously employed to radiate
With reception low frequency band(That is the first frequency range)Aerial signal;Further frequency can be radiated and receive using second irradiation unit 112
Rate is higher than the aerial signal of the second frequency range of the first frequency range, with the communication bandwidth of extended antenna device.
The 3rd irradiation unit 113 in Fig. 2 is the parasitic branch coupled with second irradiation unit 112.3rd irradiation unit
113 are not limited to the parasitic branch, its can also be with first irradiation unit 111 couple parasitic branch, or with
The branch that both first irradiation unit 111 and the second irradiation unit 112 are coupled.The structure and coupling mode of 3rd irradiation unit 113 are same
Sample is not construed as limiting the invention, and it can need diversely to design according to communications band, antenna space hold etc..It is described
The aerial signal that is radiation-curable and receiving the 3rd frequency range of 3rd irradiation unit 113, the frequency of the 3rd frequency range may differ from the first frequency
The frequency of section and the second frequency range, such as frequency higher than the second frequency range, to meet the communication requirement of current wide bandwidth.
It should be noted that the radiating element in antenna assembly 100 can include the second irradiation unit 112 and the 3rd radiation as described above
Both portions 113, but it is also possible to only including one in the second irradiation unit 112 and the 3rd irradiation unit 113, or even can also include
Other irradiation units, to meet communication needs.
The first earth terminal 120 in antenna assembly 100 is located on the first position in the conductor shell area, for being connected to
Ground.The first position that first earth terminal 120 is located at can mainly influence the impedance of antenna assembly 100, therefore can be traditional thread binding according to day
100 practical impedance is put to determine the first position.That is, the first position at first earth terminal 120
It can be determined based on the impedance of the antenna assembly.For example, the first position at first earth terminal 120 can be determined
To cause the impedance of the antenna assembly 100 and the impedance matching of the aerial signal transceiver, so that it is traditional thread binding to improve the day
The performance put.First position at first earth terminal 120 can also be according to the shape in conductor shell area, in electronic equipment
In position etc. suitably determine that its specific determination mode does not constitute the limitation to the embodiment of the present invention.
The second earth terminal 130 in antenna assembly 100 is located on the second place in the conductor shell area, and the second place is not
It is same as the first position.The second place at second earth terminal 130 can be believed based on the antenna in the conductor shell area
Number voltage's distribiuting determine.For example, radiating and receiving low frequency band using the first irradiation unit 111(That is, the first frequency range)
Aerial signal in the case of, the second place can be defined as to the minimum position of the voltage of the aerial signal of the low frequency band
Put or be defined as the low frequency band aerial signal the maximum position of electric current.The first position and the second place can
It is located at the not homonymy of the feed end respectively.
In addition, in the conductor shell area in addition to being provided with the earth terminal 130 of the first earth terminal 120 and second,
The 3rd earth terminal for being connected to ground is also provided with, the 3rd earth terminal is located in the conductor shell area except described the
Region outside one irradiation unit, the 3rd earth terminal is used to ensure that the good of main ground of the conductor shell area and electronic equipment connects
Touch, to stablize the performance of the antenna assembly.
Feed end 140 in antenna assembly 100 is used to the radiating element being couple to the aerial signal transceiver.For
Antenna match is realized to ensure the performance of antenna assembly, can also between the feed end and the aerial signal transceiver
Coupling antenna match circuit 150.The antenna-matching circuit is described with reference to Fig. 3.
Fig. 3 schematically illustrates the equivalent of the antenna-matching circuit 150 in antenna assembly 100 according to embodiments of the present invention
Circuit diagram.
The equivalent circuit diagram of the antenna-matching circuit 150 includes:First inductor L1, is connected to the He of feed end 140
Between ground;First variable condenser C1 and the second inductor L2, is connected in series in the feed end 140 and aerial signal transmitting-receiving
Between device;Second variable condenser C2, is connected to the first variable condenser C1 and the second inductor L2 tie point and ground
Between.It should be noted that what the equivalent circuit diagram of the antenna-matching circuit 150 in Fig. 3 was merely exemplary, it can also be with it
The equivalent circuit of its structure.The antenna-matching circuit 150 can be also set up according to the signal frequency range of antenna assembly.
There are two signal frequency ranges in antenna assembly 100(Such as described first frequency range and the second frequency range)In the case of, should
Antenna-matching circuit 150 can have the first working condition corresponding with the first frequency range and the second work corresponding with the second frequency range
State., can be by adjusting first variable capacitance in the antenna-matching circuit 150 with the equivalent circuit diagram shown in Fig. 3
The electric capacity of at least one in device C1 and the second variable condenser C2 changes the working condition of the antenna-matching circuit 150,
To meet the communication needs of different frequency range.In addition, switch can also be set in antenna-matching circuit 150 to change its work shape
State is to meet the communication needs of different frequency range.
In the said antenna device of the embodiment of the present invention, radiated by using being formed in the conductor casing of electronic equipment
Portion simultaneously sets two earth points in the conductor casing, can meet electronic equipment while the performance of antenna assembly is ensured
Appearance design demand.
Fig. 4 schematically illustrates the block diagram of electronic equipment 400 according to embodiments of the present invention.The electronic equipment 400 can
Various types of electronic equipments are thought, such as computer, personal digital assistant, mobile communication terminal, audiovisual players.Hereafter
In, illustrated by taking mobile communication terminal as an example.
The electronic equipment 400 includes:Conductor shell area 410;Aerial signal transceiver 420;Antenna assembly.The antenna assembly bag
Include:Radiating element, the first irradiation unit 431 formed using the part in the conductor shell area, radiating element is used to send out
Penetrate and reception antenna signal;First earth terminal 432, on the first position in the conductor shell area, for being connected to ground;Second
Earth terminal 433, on the second place in the conductor shell area, for being connected to ground;Feed end 434, for by the radiation
Unit is couple to the aerial signal transceiver.Alternatively, the feed end 434 and the aerial signal transceiver 420 it
Between can be with coupling antenna match circuit 435.
The conductor shell area 410 of the electronic equipment 400 is, for example, metal shell, and it can be the frame of electronic equipment, rear shell
Deng can also be the ornamental region being made of an electrically conducting material on electronic equipment.It should be noted that the housing of electronic equipment is except bag
Include outside the conductor shell area 410, other materials can also be included(Such as insulating materials)Housing.It can be set according to outward appearance
Any part of the housing of the electronic equipment is designed as conductor shell area the need for meter, structural strength etc., the conductor shell area
Size, position in the housing of electronic equipment etc. be not construed as limiting the invention.
The aerial signal transceiver 420 is used to provide radiofrequency signal to antenna assembly to launch, and receives warp
The signal received by antenna assembly is to be handled.The aerial signal transceiver 420 can for example be located at the printing electricity of electronic equipment
Road plate(PCB, printed circuit board)In.
The first irradiation unit 431, the first earth terminal 432, the second earth terminal 433, feedback in the antenna assembly of electronic equipment 400
Electric end 434 and antenna-matching circuit 435 distinguish the first irradiation unit 111, the first earth terminal that Fig. 1-3 above in conjunction is described
120th, the second earth terminal 130, feed end 140 and the correspondence of antenna-matching circuit 150, and therefore may refer to explanation above, this
In no longer describe.In addition, the antenna assembly in electronic equipment 400 is in addition to including the first irradiation unit 431, it can also include such as
Upper described the second irradiation unit 112 and the 3rd irradiation unit 113.In a word, saying above in conjunction with Fig. 1-3 antenna assemblies 100 described
The antenna assembly of the bright electronic equipment 400 being suitable in Fig. 4.
In the above-mentioned electronic equipment of the embodiment of the present invention, radiated by using being formed in the conductor shell area of electronic equipment
Portion simultaneously sets two earth points in the conductor shell area, and the outer of electronic equipment can be met while the performance of antenna is ensured
See design requirement.
Fig. 5 is to schematically illustrate the flow chart for being used to set the method 500 of antenna assembly according to embodiments of the present invention.
The antenna assembly is applied to the electronic equipment with conductor shell area and aerial signal transceiver.
The type of electronic equipment does not constitute the limitation to the embodiment of the present invention.The size in the conductor shell area, set in electronics
Position in standby housing etc. is not also construed as limiting the invention.
It is described to be used to set the method 500 of antenna assembly to include:The first spoke is formed using the part in the conductor shell area
Portion is penetrated, to launch and reception antenna signal(S510);Ground is arranged for connection on the first position in the conductor shell area
First earth terminal(S520);Second earth terminal on ground is arranged for connection on the second place in the conductor shell area, this
Two positions are different from the first position(S530);Set feed end that first irradiation unit is couple into the aerial signal
Transceiver(S540).
Alternatively, the method 500 for being used to set antenna assembly can also include one or many in the steps
It is individual:The second irradiation unit coupled with first irradiation unit is set, wherein, first irradiation unit is used to radiate the first frequency range
Aerial signal, second irradiation unit is used for the aerial signal for radiating the second frequency range, and the frequency of second frequency range is higher than the first frequency
The frequency of section(S550);Antenna-matching circuit is set between the feed end and the aerial signal transceiver, the antenna
There is the first working condition corresponding with the first frequency range and the second working condition corresponding with the second frequency range with circuit(S560);If
Put the 3rd irradiation unit with least one coupling in first irradiation unit and second irradiation unit, the 3rd irradiation unit
Aerial signal for radiating the 3rd frequency range, the frequency of the 3rd frequency range is different from the frequency of the first frequency range and the second frequency range
(S570);The 3rd earth point on ground is arranged for connection in the conductor shell area, the 3rd earth point is located at the conductor
Region in shell area in addition to first irradiation unit(S580).
In step S510 the first irradiation unit is formed using the part in conductor shell area.First irradiation unit can be electronics
The half in quadrangle metal edge frame, a side in equipment, can be the metal bar-shaped zones on the rear shell of electronic equipment, also
It can be the ornamental conductor of such as merchandise marks etc on electronic equipment.First irradiation unit in step S520 with setting
The first earth terminal and the second earth terminal for being set in step S530 form complete conductor loop together, so as to need not break
Loop aerial is formed in the case of mouthful.The aerial signal for the first frequency range that first irradiation unit is radiated and received can be antenna
Low frequency band in the whole frequency range of signal, to make full use of the size advantage in conductor shell area, so as to reduce the spoke of antenna assembly
Penetrate the space hold of unit.
Described for setting in the method 500 of antenna assembly, in addition to using step S510, the first irradiation unit is set,
The second irradiation unit also is set optionally with step S550, or the 3rd irradiation unit is set using step S570.
The second irradiation unit set using step S550 is coupled with first irradiation unit, and second irradiation unit is radiated
The frequency of the first frequency range can be higher than with the frequency of the aerial signal of reception, with the communication bandwidth of extended antenna device.Utilize step
The 3rd irradiation unit that S560 is set and at least one coupling, the described 3rd in first irradiation unit and second irradiation unit
Irradiation unit is used to radiating and receive the aerial signal of the 3rd frequency range, the frequency of the 3rd frequency range can be differently configured from the first frequency range and
The frequency of second frequency range, to further expand the communication bandwidth of antenna assembly.On using set by step S550 and S570
Second irradiation unit and the 3rd irradiation unit may refer to the diagram above in conjunction with Fig. 2 descriptions carried out and Fig. 2.
The first earth terminal set in step S520 is located on the first position in the conductor shell area, for being connected to
Ground.First position at first earth terminal can be determined based on the impedance of the antenna assembly.For example, described first
First position at earth terminal may be determined so that the impedance of the antenna assembly and the aerial signal transceiver
Impedance matching, so as to improve the performance of the antenna assembly.First position at first earth terminal can also basis
The shape in conductor shell area, position in the electronic device etc. suitably determine that its specific determination mode is not constituted to the present invention
The limitation of embodiment.
The second earth terminal set in step S530 is located on the second place in the conductor shell area, and the second place is not
It is same as the first position.The second place at second earth terminal can be based on the aerial signal in the conductor shell area
Voltage's distribiuting is determined.Low frequency band is being radiated and received using the first irradiation unit(That is, the first frequency range)Aerial signal
In the case of, the second place can be defined as to position or the determination of the voltage minimum of the aerial signal of the low frequency band
For the position that the electric current of the aerial signal of the low frequency band is maximum.The first position and the second place can be located at described respectively
The not homonymy of feed end.
Described for setting in the method 500 of antenna assembly, in addition to the first earth terminal and the second earth terminal are set,
Region also alternatively in the conductor shell area in addition to first irradiation unit sets the 3rd earth terminal, described to ensure
The good contact on the main ground of conductor shell area and electronic equipment.
The feed end set in step S540 is used to the radiating element being couple to the aerial signal transceiver.Can
Selection of land, can also include the step S560, step S560 is used in the method 500 for being used to set antenna assembly
Coupling antenna match circuit between the feed end and the aerial signal transceiver, so as to realize antenna match to ensure antenna
The performance of device.Explanation on the antenna-matching circuit may refer to the diagram above in conjunction with Fig. 3 descriptions carried out and Fig. 3.
In the embodiment of the present invention for setting in the method for antenna assembly, by using in the conductor casing of electronic equipment
Form irradiation unit and two earth points are set in the conductor casing, can be met while the performance of antenna assembly is ensured
The appearance design demand of electronic equipment.
It is apparent to those skilled in the art that, for convenience and simplicity of description, foregoing description is used for
Implementing for step involved in the method for antenna is formed, the diagram in aforementioned means embodiment and operation is may be referred to,
It will not be repeated here.In addition, the part steps in above method embodiment can be reconfigured, or it can be walked with changing section
Execution sequence before rapid.
The foregoing is only a specific embodiment of the invention, but protection scope of the present invention is not limited thereto, any
Those familiar with the art the invention discloses technical scope in, change or replacement can be readily occurred in, should all be contained
Cover within protection scope of the present invention.Therefore, protection scope of the present invention described should be defined by scope of the claims.
Claims (15)
1. a kind of antenna assembly, applied to electronic equipment, the electronic equipment has conductor shell area and aerial signal transceiver, the day
Line apparatus includes:
Radiating element, the first irradiation unit formed using the part in the conductor shell area, radiating element is used to launch
With reception antenna signal;
First earth terminal, on the first position in the conductor shell area, for being connected to ground;
Second earth terminal, on the second place in the conductor shell area, for being connected to ground, the second place is different from described
First position;
Feed end, for the radiating element to be couple into the aerial signal transceiver;
Wherein described first irradiation unit forms complete conductor loop together with first earth terminal and second earth terminal, from
And form loop aerial in the case where not needing fracture.
2. antenna assembly according to claim 1, wherein, the first position at first earth terminal is to be based on the day
The impedance of line apparatus is determined.
3. antenna assembly according to claim 1, wherein,
The second place at second earth terminal be the voltage's distribiuting based on the aerial signal in the conductor shell area come
Determine,
The first position and the second place are located at the not homonymy of the feed end respectively.
4. antenna assembly according to claim 1, wherein, the radiating element also includes the coupled with first irradiation unit
Two irradiation units, first irradiation unit is used for the aerial signal for radiating and receiving the first frequency range, and second irradiation unit is used for spoke
The aerial signal of the second frequency range is penetrated and receives, the frequency of second frequency range is higher than the frequency of the first frequency range.
5. antenna assembly according to claim 4, in addition to:Antenna-matching circuit, is coupled in the feed end and the antenna
Between signal transceiver, the antenna-matching circuit has the first working condition corresponding with the first frequency range and corresponding with the second frequency range
The second working condition.
6. antenna assembly according to claim 4, wherein, the radiating element also includes and first irradiation unit and described the
3rd irradiation unit of at least one coupling in two irradiation units, the 3rd irradiation unit is used for the day for radiating and receiving the 3rd frequency range
Line signal, the frequency of the 3rd frequency range is different from the frequency of the first frequency range and the second frequency range.
7. antenna assembly according to claim 1, wherein, the conductor shell area also has the 3rd ground connection for being used for being connected to ground
End, the 3rd earth terminal is located at the region in addition to first irradiation unit in the conductor shell area.
8. a kind of electronic equipment, including:
Conductor shell area;
Aerial signal transceiver;
Antenna assembly, including:
Radiating element, the first irradiation unit formed using the part in the conductor shell area, radiating element is used to launch
With reception antenna signal;
First earth terminal, on the first position in the conductor shell area, for being connected to ground;
Second earth terminal, on the second place in the conductor shell area, for being connected to ground;
Feed end, for the radiating element to be couple into the aerial signal transceiver;
Wherein described first irradiation unit forms complete conductor loop together with first earth terminal and second earth terminal, from
And form loop aerial in the case where not needing fracture.
9. a kind of method for setting antenna assembly, the antenna assembly is applied to have conductor shell area and aerial signal transceiver
Electronic equipment, this method includes:
The first irradiation unit is formed using the part in the conductor shell area, to launch and reception antenna signal;
First earth terminal on ground is arranged for connection on the first position in the conductor shell area;
Second earth terminal on ground is arranged for connection on the second place in the conductor shell area, the second place is different from institute
State first position;
Set feed end that first irradiation unit is couple into the aerial signal transceiver;
Wherein described first irradiation unit forms complete conductor loop together with first earth terminal and second earth terminal, from
And form loop aerial in the case where not needing fracture.
10. method according to claim 9, wherein, the first position at first earth terminal is to be based on the antenna
The impedance of device is determined.
11. method according to claim 9, wherein,
The second place at second earth terminal be the distribution based on the antenna signal voltage in the conductor shell area come
Determine,
The first position and the second place are located at the not homonymy of the feed end respectively.
12. method according to claim 9, in addition to:The second irradiation unit coupled with first irradiation unit is set,
Wherein, first irradiation unit is used for the aerial signal for radiating and receiving the first frequency range, and second irradiation unit is used for spoke
The aerial signal of the second frequency range is penetrated and receives, the frequency of second frequency range is higher than the frequency of the first frequency range.
13. method according to claim 12, in addition to:Day is set between the feed end and the aerial signal transceiver
Lines matching circuit, the antenna-matching circuit has the first working condition corresponding with the first frequency range and corresponding with the second frequency range the
Two working conditions.
14. method according to claim 12, in addition to:In setting and first irradiation unit and second irradiation unit extremely
3rd irradiation unit of a few coupling, the 3rd irradiation unit is used for the aerial signal for radiating and receiving the 3rd frequency range, and described the
The frequency of three frequency ranges is different from the frequency of the first frequency range and the second frequency range.
15. method according to claim 9, in addition to:The 3rd ground connection on ground is arranged for connection in the conductor shell area
End, the 3rd earth terminal is located at the region in addition to first irradiation unit in the conductor shell area.
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Citations (3)
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CN101002362A (en) * | 2004-07-26 | 2007-07-18 | 基奥赛拉无线公司 | System and method for dual-band antenna matching |
CN101814649A (en) * | 2010-03-19 | 2010-08-25 | 中兴通讯股份有限公司 | Method for improving radiation performance of antenna and a mobile terminal |
CN103066374A (en) * | 2011-10-24 | 2013-04-24 | 联想(北京)有限公司 | Gap structure antenna device and terminal unit |
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CN101002362A (en) * | 2004-07-26 | 2007-07-18 | 基奥赛拉无线公司 | System and method for dual-band antenna matching |
CN101814649A (en) * | 2010-03-19 | 2010-08-25 | 中兴通讯股份有限公司 | Method for improving radiation performance of antenna and a mobile terminal |
CN103066374A (en) * | 2011-10-24 | 2013-04-24 | 联想(北京)有限公司 | Gap structure antenna device and terminal unit |
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