CN110323541A - A kind of terminal - Google Patents
A kind of terminal Download PDFInfo
- Publication number
- CN110323541A CN110323541A CN201910517541.4A CN201910517541A CN110323541A CN 110323541 A CN110323541 A CN 110323541A CN 201910517541 A CN201910517541 A CN 201910517541A CN 110323541 A CN110323541 A CN 110323541A
- Authority
- CN
- China
- Prior art keywords
- metal
- capacitive
- clad body
- metal clad
- antenna radiator
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
- H01Q1/364—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith using a particular conducting material, e.g. superconductor
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/44—Details of, or arrangements associated with, antennas using equipment having another main function to serve additionally as an antenna, e.g. means for giving an antenna an aesthetic aspect
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/50—Structural association of antennas with earthing switches, lead-in devices or lightning protectors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
- H01Q5/30—Arrangements for providing operation on different wavebands
- H01Q5/307—Individual or coupled radiating elements, each element being fed in an unspecified way
- H01Q5/314—Individual or coupled radiating elements, each element being fed in an unspecified way using frequency dependent circuits or components, e.g. trap circuits or capacitors
- H01Q5/321—Individual or coupled radiating elements, each element being fed in an unspecified way using frequency dependent circuits or components, e.g. trap circuits or capacitors within a radiating element or between connected radiating elements
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
Abstract
The invention discloses a kind of terminals, the terminal includes: antenna radiator, the antenna radiator connecting signal source, the terminal further include: metal shell, the metal shell includes metal edge frame and metal backing, the metal edge frame has at least two to crack, it is described crack in be provided at least one capacitive metal clad body, the metal backing, at least one described capacitive metal clad body with and the antenna radiator constitute series loop, first switch device and matching device be connected in the series loop.Due in embodiments of the present invention, by the different conditions of the capacitive metal clad body to change the equivalent LC value formed between antenna radiator and capacitive metal clad body, metal edge frame or metal backing, to realize the covering of different frequency range.
Description
Technical field
The present invention relates to antenna technical field more particularly to a kind of terminals.
Background technique
With the continuous development of metal-like mobile phone technique, the terminal of metal material due to its unique texture and gloss,
It is gradually pursued by consumer, has become middle and high ends type design standard configuration.And with the development of cell phone appearance and designing technique,
All-metal shell mobile phone also becomes the development trend of all products of industry.Therefore the differentiation metal appearance such as three-stage, slit is set
Meter is also at important attraction.
Due to the uniqueness of aerial radiation, terminal antenna is to cabling area, antenna height, antenna headroom and antenna to periphery
Evading for metal has direct influence to antenna performance, be in Realism Design it has to be ensured that.And metal is to electromagnetic wave
There is shielding action, make antenna for mobile phone design space that the radiation efficiency of antenna and bandwidth be caused constantly to decline while constantly deterioration,
Metal shell cell phone appearance also secures the design environment of antenna at the same time, these all to antenna multifrequency design bring compared with
Big design difficulty, the guarantee of mobile phone antenna performance increasingly become the emphasis of Cell Phone Design.
Summary of the invention
The embodiment of the invention provides a kind of terminals, and the terminal to solve metal appearance design in the prior art leads to day
The problem of radiation efficiency and bandwidth decline of line.
The embodiment of the invention provides a kind of terminal, the terminal includes: antenna radiator, the antenna radiator connection
Signal source；The terminal further include:
Metal shell, the metal shell include metal edge frame and metal backing, and the metal edge frame has at least two
It cracks；Described crack is internally provided at least one capacitive metal clad body；
The metal backing, at least one described capacitive metal clad body with and the antenna radiator constitute and first connect
Circuit, first switch device and matching device are connected in first series loop.
Further, the terminal further include: second switch device；
One end of the second switch device connects the metal edge frame, and the other end of the second switch device connects institute
State antenna radiator.
Further, the terminal further include: antenna tuning circuit；
One end of the antenna tuning circuit connects the signal source, the other end of the antenna tuning circuit and the day
The connection of beta radiation body.
Further, the capacitive metal clad body is parallel with the antenna radiator, and the capacitive metal clad body
In the projection on the antenna radiator and there are overlapping areas between the antenna radiator.
Further, if tool is there are two cracking on a frame of the metal edge frame, it is described two crack between shape
At the antenna radiator.
Further, the terminal further include: third switching device；
The metal backing and at least one described capacitive metal clad body constitute the second series loop, the third switch
Device and matching device are connected in second series loop.
Further, the matching device being connected in the series loop where the capacitive metal clad body includes at least one
It is a.
Further, the matching device being connected in the series loop where the capacitive metal clad body includes at least two
When a, one end of at least two matchings device is separately connected the capacitive metal clad body, and the other end is separately connected described
Metal backing.
Further, the matching device is inductively or capacitively.
The embodiment of the invention provides a kind of terminal, the terminal includes: antenna radiator, the antenna radiator connection
Signal end, the terminal further include: metal shell, the metal shell include metal edge frame and metal backing, the metal edges
Frame cracks at least one；Described crack is internally provided at least one capacitive metal clad body；It is the metal backing, described
At least one capacitive metal clad body and and antenna radiator composition series loop, first switch device and matching device string
It is associated in the series loop.Due in embodiments of the present invention, at least one in the terminal crack in be provided at least one
A capacitive metal clad body, by the different conditions of the capacitive metal clad body to change antenna radiator and capacitive metal clad
The equivalent LC value formed between body, metal edge frame or metal backing, to realize the covering of different frequency range.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly introduced, it should be apparent that, drawings in the following description are only some embodiments of the invention, for this
For the those of ordinary skill in field, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing.
Fig. 1 is a kind of structural schematic diagram for terminal that the embodiment of the present invention 1 provides；
Fig. 2 is a kind of specific attachment structure schematic diagram for terminal that the embodiment of the present invention 1 provides；
Fig. 3 is a kind of structural schematic diagram for terminal that the embodiment of the present invention 2 provides；
Fig. 4 is a kind of terminal structure schematic diagram that the embodiment of the present invention 3 provides；
Fig. 5 is a kind of schematic diagram for terminal that the embodiment of the present invention 4 provides；
Fig. 6 is a kind of schematic diagram for terminal that the embodiment of the present invention 4 provides.
Specific embodiment
The present invention will be describe below in further detail with reference to the accompanying drawings, it is clear that described embodiment is only this
Invention a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art exist
All other embodiment obtained under the premise of creative work is not made, shall fall within the protection scope of the present invention.
Embodiment 1:
Fig. 1 is a kind of terminal provided in an embodiment of the present invention, and the terminal includes: antenna radiator 12, the antenna spoke
12 connecting signal source (not shown in figure 1) of beam, metal edge frame 11 and metal backing 10, wherein the metal backing 10 is as ginseng
Ground is examined, and metal edge frame 11 and metal backing 10 form the metal shell of the terminal；
The metal edge frame 11 has at least two to crack, and cracks at least two and is internally provided at least one capacitive Jie
Matter metallic object 13；
The metal backing 10, at least one described 13 body of capacitive metal clad with and the antenna radiator 12 constitute the
One series loop, first switch device and matching device are connected in first series loop.
Specifically, two lateral sections after the side of the capacitive metal clad body 13 and the metal edge frame 11 crack are flat
Row constitutes one end connection first switch device that can be at least one capacitive metal clad body 13 when the first series loop
One end, other end matching connection device, described one end for connect with the capacitive metal clad body 13 of matching device connects
The other end of the metal backing 10, the first switch device connects the antenna radiator 12.Certain first switch device
Capacitive Jie can be connected on other positions of the matching device in first series loop, such as matching device and switching device
Between matter metallic object 13 and antenna radiator 12, certain other positions are also possible, as long as being connected on first series loop
In.
With the continuous development of metal-like terminal technology, the terminal of metal appearance design is due to its unique texture and light
Pool is gradually pursued by consumer, therefore the embodiment of the present invention is directed to the terminal of metal appearance design, which can be hand
Machine or interactive television etc..
Using slotted technique, at least two are provided on metal edge frame 11 and is cracked.Preferably, using slotted technique in metal
It cracks on frame 11, specifically, can open, 2 seams, 3 seams or 4 seams etc. are multiple to crack.Such as terminal as shown in Figure 1,
4 seams are opened on metal edge frame 11, wherein 2 seams have been opened in upper side frame (up and down shown in figure), in lower frame (institute in figure
Above and below showing) open 2 seams.
Because antenna radiator is metal material, and for the metal plate that two are placed in parallel, and when two metal plates
Between there are (such as air) when dielectric, can have equivalent capacitance value between two metal plates, wherein the size of the equivalent capacitance value with
The positive area between distance and two metal plates between two metal plates is related.Specifically, in embodiments of the present invention, antenna
Working frequency range by generating between antenna radiator and metal backing 10, metal edge frame 11 and/or capacitive metal clad body 13
What equivalent capacitance value determined, different equivalent capacitance values can determine different working frequency range.
Fig. 2 is a kind of specific attachment structure schematic diagram of terminal provided in an embodiment of the present invention, specifically, in metal edge frame
11 two of them crack gap inside provided with capacitive metal clad body 131 and capacitive metal clad body 132, wherein each capacitive
Two lateral sections after the side of metal clad body is cracked with metal edge frame 11 are parallel, can be distinguished by two first switch devices
It is connect with each capacitive metal clad body, wherein first first switch device is connect with capacitive metal clad body 131, second
First switch device is connect with capacitive metal clad body 132.
Preferably, can be situated between by the first switch device 14 and capacitive metal clad body 131 and capacitive of a single-pole double throw
Matter metallic object 132 is separately connected, and wherein capacitive metal clad body 131 is connect with the first end of first switch device 14, and capacitive is situated between
Matter metallic object 132 is connect with the second end of first switch device 14, capacitive metal clad body 131 and capacitive metal clad body 132
The other end be separately connected matching device C1 and C2, one end that matching device C1 and C2 connects with capacitive metal clad body is divided
Not Lian Jie metal backing 10, the third end of first switch device 14 connects antenna radiator 12.
In order to effectively improve the bandwidth of terminal antenna, in embodiments of the present invention, antenna radiator 12 and metal
Backboard 10 is parallel, and there are overlapping areas between the projection on metal backing 10 and metal backing 10 for antenna radiator 12；
Antenna radiator 12 is parallel with metal edge frame 11, specifically, the left side of antenna radiator 12 is parallel with metal edge frame 11, and
There are overlapping areas between the projection on metal edge frame 11 and metal edge frame 11 for the left side of antenna radiator 12；Aerial radiation
The right side of body 12 is parallel with metal edge frame 11, and projection of the right side of antenna radiator 12 on metal edge frame 11 and gold
There are overlapping areas between category frame 11；The side of capacitive metal clad body 131 and the side of capacitive metal clad body 132 with
Section after metal edge frame 11 cracks is parallel.In addition, there are two capacitive metal clad body in Fig. 2, capacitive metal clad body 131 with
Capacitive metal clad body 132 is parallel, and projection of the capacitive metal clad body 131 on capacitive metal clad body 132 and capacitive are situated between
There are overlapping areas between matter metallic object 132.
When the first switch device 14 in Fig. 2 is in an off state, i.e., the third end of first switch device 14 not with its
When first end and second end connects, determine that the equivalent capacitance value of the working frequency range of antenna includes: antenna radiator 12 and metal edges
The equivalent capacitance value that frame 11 is formed, the equivalent capacitance value that antenna radiator 12 and metal backing 10 are formed, wherein antenna radiator
12 equivalent capacitance values formed with metal edge frame 11 include: 12 left side of antenna radiator (left and right shown in figure) and metal edges
The equivalent capacitance value of the formation of frame 11,12 right side of antenna radiator (left and right shown in figure) form equivalent with metal edge frame 11
Capacitance.
When the first switch device 14 in Fig. 2 is connect with capacitive metal clad body 131, at this time compared with first switch device 14
When for off-state, changed equivalent capacitance value includes: the equivalent capacity between antenna radiator 12 and metal backing 10
Value is the capacitance of capacitor element C1, is generated between the left side 01 and metal edge frame 11 of capacitive metal clad body 131 equivalent
Capacitance generates equivalent between the right side 02 of capacitive metal clad body 131 and the left side 01 of capacitive metal clad body 132
Capacitance.
When the first switch device 14 in Fig. 2 is connect with capacitive metal clad body 132, at this time compared with first switch device 14
When for off-state, changed equivalent capacitance value includes: the equivalent capacity between antenna radiator 12 and metal backing 10
Value is the capacitance of capacitor element C2, the left side 01 of capacitive metal clad body 132 and the right side of capacitive metal clad body 131
The equivalent capacitance value generated between 02 generates equivalent between the left side 01 and metal edge frame 11 of capacitive metal clad body 132
Capacitance.
At least one capacitive medium gold is internally provided with since in embodiments of the present invention, which cracks at least two
Belong to body, by the different conditions of the capacitive metal clad body to change antenna radiator and capacitive metal clad body, metal edge frame
Or the equivalent capacitance value generated between metal backing, to realize the covering of antenna different frequency range.
Embodiment 2:
In order to increase the working frequency range of antenna, on the basis of the above embodiments, in embodiments of the present invention, the terminal
Further include: second switch device 15；
One end of the second switch device 15 connects the metal edge frame 11, the other end of the second switch device 15
Connect the antenna radiator 12.
Due to can produce between antenna radiator 12 and metal edge frame 11 and antenna radiator 12 and metal backing 10
Capacitance is imitated, can determine the working frequency range of antenna in turn according to the equivalent capacitance value of generation.When using second switch device 15
When antenna radiator 12 is connect with metal edge frame 11, thus it is possible to vary generated between antenna radiator 12 and metal edge frame 11 etc.
Capacitance is imitated, and then can change the working frequency range of antenna.Specifically, the terminal provided in an embodiment of the present invention further includes second
Switching device 15, one end of the second switch device 15 connect metal edge frame 11, and the other end connects antenna radiator 12, by this
Second switch device 15 can control the connection status of antenna radiator 12 Yu metal edge frame 11, so as to change the work of antenna
Make frequency range.
Antenna radiator in the embodiment of the present invention can be identical as the antenna radiator in prior art terminal, in order to have
The space of the saving terminal of effect, on the basis of the above embodiments, if on a frame of the metal edge frame there are two tools
Crack, it is described two crack between form the antenna radiator.That is it can be set on a frame of metal edge frame
Set two crack or it is multiple crack, using two of them it is adjacent crack between metal edge frame as antenna radiator.Specifically
, it can be arranged on the upper side frame of metal edge frame, lower frame, left frame or left frame and crack.
Fig. 3 is a kind of structural schematic diagram of terminal provided in an embodiment of the present invention, specifically, in terminal shown in Fig. 3, gold
Belong to the tool of frame 11 there are two cracking, two crack between form antenna radiator 12, be respectively provided with two in each inside of cracking
A capacitive metal clad body, it is specific as shown in figure 3, an inside of cracking is provided with 131 He of capacitive metal clad body wherein
Capacitive metal clad body 132 cracks internal provided with capacitive metal clad body 133 and capacitive metal clad body 134 at another.
It can be connect respectively with each capacitive metal clad body by two first switch devices, wherein first first switch
Device is connect with capacitive metal clad body 131, and second first switch device is connect with capacitive metal clad body 132.And it can
To connect antenna radiator 12 and metal edge frame 11 by second switch device.
Preferably, the second switch device 15 and capacitive metal clad body 131, capacitive medium of a single-pole three throw can be passed through
Metallic object 132 and metal edge frame 11 are separately connected, wherein the first end of capacitive metal clad body 131 and second switch device 15
Connection, capacitive metal clad body 132 are connect with the second end of second switch device, capacitive metal clad body 131 and capacitive medium
The other end of metallic object 132 has been separately connected matching device C1 and C2, the third end of metal edge frame 11 and second switch device 15
4th end of connection, second switch device 15 connects antenna radiator 12.Wherein, in Fig. 3 dotted arrow indicate respectively it is each
The label of capacitive metal clad body corresponding left side and right side.
When the second switch device 15 in Fig. 3 is in an off state, i.e., the 4th end of second switch device 15 not with its
When first end, second end are connected with third end, the equivalent capacitance value for determining the working frequency range of antenna include: antenna radiator 12 with
The equivalent capacitance value generated between 10 (not shown) of metal backing, the left side of antenna radiator 12 and metal edge frame 11 it
Between the equivalent capacitance value that generates, generated between the left side of antenna radiator 12 and the right side 02 of capacitive metal clad body 131
Equivalent capacitance value, generated between the left side of antenna radiator 12 and the right side 02 of capacitive metal clad body 132 equivalent
Capacitance；The equivalent capacitance value generated between the right side and metal edge frame 11 of antenna radiator 12, the right side of antenna radiator 12
The equivalent capacitance value generated between side and the left side 01 of capacitive metal clad body 133, the right side of antenna radiator 12 with
The equivalent capacitance value generated between the left side 01 of capacitive metal clad body 134.
It is at this time to disconnect compared with second switch device 15 when the second switch device 15 in Fig. 3 is connect with metal edge frame 11
When state, changed equivalent capacitance value include: between the left side of antenna radiator 12 and metal edge frame 11 there is no etc.
Imitate capacitance, the equivalent capacitance value generated between the left side 01 and metal edge frame 11 of capacitive metal clad body 131, capacitive medium
The equivalent capacitance value generated between the left side 01 and metal edge frame 11 of metallic object 132.
When the second switch device 15 in Fig. 3 is connect with capacitive metal clad body 131, at this time compared with second switch device 15
When for off-state, changed equivalent capacitance value includes: the equivalent capacity between antenna radiator 12 and metal backing 10
Value is the capacitance of capacitor element C1, is generated between the left side 01 and metal edge frame 11 of capacitive metal clad body 131 equivalent
Capacitance generates equivalent between the right side 02 of capacitive metal clad body 131 and the left side 01 of capacitive metal clad body 132
Capacitance.
When the second switch device 15 in Fig. 3 is connect with capacitive metal clad body 132, at this time compared with second switch device 15
When for off-state, changed equivalent capacitance value includes: the equivalent capacity between antenna radiator 12 and metal backing 10
Value is the capacitance of capacitor element C2, is generated between the left side 01 and metal edge frame 11 of capacitive metal clad body 132 equivalent
Capacitance generates equivalent between the left side 01 of capacitive metal clad body 132 and the right side 02 of capacitive metal clad body 131
Capacitance.
Embodiment 3:
In order to further increase the working frequency range of antenna, on the basis of the various embodiments described above, in the embodiment of the present invention
In, matching device includes at least one in first series loop being connected on where capacitive metal clad body.
When one 10 farads of the capacitor of connecting in the first series loop, or series connection two can be with when being 5 farads of capacitor
Reach identical effect, therefore from connection structure, is connected in the first series loop where capacitive metal clad body
Matching device can be one, be also possible to two or more matching device etc..
Therefore, on the basis of the various embodiments described above, in embodiments of the present invention, if being connected on the capacitive medium gold
When the matching device in the first series loop where category body includes at least two, one end point of at least two matchings device
The capacitive metal clad body is not connected, and the other end is separately connected the metal backing.
When the matching device in the first series loop being connected on where capacitive metal clad body includes at least two, it is
By the capacitive metal clad body and the matching device of connection, changes the working frequency range of antenna, need at least two
One end with device is separately connected the capacitive metal clad body, and the other end is separately connected metal backing.
In order to effectively improve the bandwidth of terminal antenna, on the basis of the various embodiments described above, implement in the present invention
In example, the capacitive metal clad body is parallel with the antenna radiator, and the capacitive metal clad body is in the antenna spoke
There are overlapping areas between projection and the antenna radiator on beam.
When capacitive metal clad body 13 is parallel with antenna radiator 12, and capacitive metal clad body 13 is in antenna radiator 12
On projection and antenna radiator 12 between there are when overlapping area, antenna radiator 12 can not only produce between metal backing 10
Raw equivalent capacitance value, equivalent capacitance value can be also generated between metal edge frame 11, is also generated between capacitive metal clad body 13
Equivalent capacitance value, therefore can effectively change the working frequency range of antenna.
Fig. 4 is a kind of terminal structure schematic diagram provided in an embodiment of the present invention, specifically, one of them of metal edge frame 11
It cracks internal provided with capacitive metal clad body 131 and capacitive metal clad body 132, two first switch devices can be passed through and distinguished
It is connect with each capacitive metal clad body, wherein first first switch device is connect with capacitive metal clad body 131, second
First switch device is connect with capacitive metal clad body 132.
Preferably, the first switch device 14 and capacitive metal clad body 131 and capacitive medium that pass through a single-pole double throw
Metallic object 132 is separately connected, and wherein capacitive metal clad body 131 is connect with the first end of first switch device 14, capacitive medium
Metallic object 132 is connect with the second end of first switch device 14, and the other end of capacitive metal clad body 132 is connected to matching device
C1 and C2, one end that matching device C1 and C2 are not connect with capacitive metal clad body 132 are separately connected metal backing 10, and first opens
The third end for closing device 14 connects antenna radiator 12.Wherein, dotted arrow indicates each capacitive metal clad respectively in Fig. 4
The label of the corresponding each side of body, wherein capacitive metal clad body 131 is parallel with antenna radiator 12, and capacitive metal clad body
131 there are overlapping areas between the projection on antenna radiator 12 and antenna radiator 12；Capacitive metal clad body 132 and day
Beta radiation body 12 is parallel, and capacitive metal clad body 132 is deposited between the projection on antenna radiator 12 and antenna radiator 12
In overlapping area.
When the first switch device 14 in Fig. 4 is in an off state, i.e., the third end of first switch device 14 not with its
When first end and second end connects, determine that the equivalent capacitance value of the working frequency range of antenna includes: that antenna radiator 12 and metal are carried on the back
The equivalent capacitance value generated between plate 10, the equivalent capacity generated between the right side and metal edge frame 11 of antenna radiator 12
Value, the equivalent capacitance value generated between the right side of antenna radiator 12 and the left side 04 of capacitive metal clad body 131, antenna
The equivalent capacitance value generated between the right side of radiator 12 and the left side 04 of capacitive metal clad body 132.
When the first switch device 14 in Fig. 4 is connect with capacitive metal clad body 131, the work frequency of antenna is determined at this time
The equivalent capacitance value of section includes: not deposit between the right side of antenna radiator 12 and the left side 04 of capacitive metal clad body 131
The equivalent capacitance value generated between equivalent capacitance value, the right side 02 and metal edge frame 11 of capacitive metal clad body 131, capacitive
The equivalent capacitance value generated between the downside 03 of metal clad body 131 and the upper side 01 of capacitive metal clad body 132, antenna
The equivalent capacitance value generated between radiator 12 and metal backing 10.
When the first switch device 14 in Fig. 4 is connect with capacitive metal clad body 132, it is compared with first switch device at this time
When off-state, changed equivalent capacitance value includes: right side and the capacitive metal clad body 132 of antenna radiator 12
Equivalent capacitance value is not present between left side 04, the equivalent capacitance value between antenna radiator 12 and metal backing 10 is capacitor
The capacitance of part C1 and C2, the equivalent capacitance value generated between the right side 02 and metal edge frame 11 of capacitive metal clad body 132,
The equivalent capacitance value generated between the upper side 01 of capacitive metal clad body 132 and the downside 03 of capacitive metal clad body 131.
Embodiment 4:
In order to make terminal preferably work, on the basis of the various embodiments described above, in embodiments of the present invention, the terminal
Further include: antenna tuning circuit 17；
One end connecting signal source 16 of the antenna tuning circuit 17, the other end of the antenna tuning circuit 17 with it is described
Antenna radiator 12 connects.
Signal source is for generating and issuing signal.Antenna tuning circuit can make impedance between signal source and antenna radiator
Match, so that antenna radiator be made to have maximum radiant power in any frequency.Fig. 5 is a kind of end provided in an embodiment of the present invention
The schematic diagram at end, the terminal further include signal source 16 and antenna tuning circuit 17, and signal source 16 is the singal in Fig. 5, day
Line tuning circuit 17 is the tunning in Fig. 5, wherein one end connecting signal source 16 of antenna tuning circuit 17, the other end connect
Connect antenna radiator 12.
In addition, when on a frame of metal edge frame tool there are two cracking, it is described two crack between form the antenna
When radiator, for the bandwidth of more convenient change terminal, on the basis of the various embodiments described above, in the embodiment of the present invention
In, which further includes third switching device 18；
The metal backing 10 constitutes the second series loop, the third at least one described capacitive metal clad body 13
Switching device 18 and matching device are connected in second series loop.
If antenna radiator is formed between two on metal edge frame are cracked, this two crack be internally provided with to
A few capacitive metal clad body 13, then the side of antenna radiator is parallel with the side of capacitive metal clad body, at this time can be with
The second series loop is constituted by metal backing and capacitive metal clad body, and third switch of connecting in second series loop
Device and matching device change the working frequency range of terminal by changing the closed state of third switching device.
Fig. 5 is a kind of terminal structure schematic diagram provided in an embodiment of the present invention, specifically, two of metal edge frame 11 crack
Inside is respectively provided with two capacitive metal clad bodies 13, can be cracked respectively with one of them by two third switching devices 18
Internal each capacitive metal clad body connection, wherein first third switching device and left side are cracked in (left and right as shown in the figure)
The capacitive metal clad body 13 for being located at left side (as shown in the figure left and right) connect, second third switching device cracks with left side
The capacitive metal clad body 13 for being located at right side (left and right as shown in the figure) in (left and right as shown in the figure) connects.
Preferably, the third switching device 18 by a single-pole double throw connects respectively with two capacitive metal clad bodies 13
It connects, wherein capacitive metal clad body 13 constitutes the second series loop with metal backing respectively, and series connection should in the second series loop
Third switching device, and connect and match device.Specifically, the second series loop phase that two capacitive metal clad bodies 13 are constituted
Seemingly, it is intended only as, for convenience only description one second series connection different from the end that the third switching device 18 of single-pole double throw connects
Circuit, capacitive metal clad body 13 are connect with one end of matching device, match the third of the other end connection single-pole double throw of device
The third end of the first end or second end of switching device 18, third switching device 18 connects metal backing.
When the third switching device 18 in Fig. 5 is in an off state, i.e., the third end of third switching device not with its
When one end is connected with second end, determine that the equivalent capacitance value of the working frequency range of antenna includes: antenna radiator 12 and metal backing
The equivalent capacitance value generated between 10 (not shown)s generates between the left side and metal edge frame 11 of antenna radiator 12
Equivalent capacitance value, crack two internal capacitive media with left side (left and right as shown in the figure) is located at for the left side of antenna radiator 12
The equivalent capacitance value generated between metallic object 13；The equivalent electricity generated between the right side and metal edge frame 11 of antenna radiator 12
Capacitance, crack two internal capacitive metal clad bodies with right side (left and right as shown in the figure) is located at for the right side of antenna radiator 12
The equivalent capacitance value generated between 13.
When the third switching device 18 in Fig. 5 is connect with one of capacitive metal clad body 13, opened at this time compared with third
When pass device 18 is off-state, changed equivalent capacitance value includes: between antenna radiator 12 and metal backing 10
Equivalent capacitance value is, between the capacitive metal clad body 13 that 12 left side of antenna radiator is connected to with third switching device etc.
The capacitance of capacitor element connected between effect capacitor and the capacitive metal clad body 13 and metal backing and.
In addition, concatenated matching device can be one in second series circuit, be also possible to it is multiple, if this
Connect in two series circuits multiple matching devices when, it is multiple matching device one end be separately connected the capacitive metal clad
Body, the other end connect the same end of third switching device respectively.
On the basis of the various embodiments described above, in embodiments of the present invention, the matching device is inductively or capacitively.
The matching device connecting with the other end of capacitive metal clad body can be inductive element, or capacitive member
Part, the specific matching device can be capacitor, or inductance, when antenna radiator is held by the connection of first switch device
Property metal clad body and connect inductively or capacitively when, can change the working frequency range of antenna.
The working frequency range of antenna and with antenna radiator and metal backing, metal edge frame and/or capacitive metal clad body it
Between the relationship of equivalent capacitance value that generates be shown below: LC (2 π f) ^2=1；Wherein L is the equivalent electricity of antenna radiator itself
Inductance value, equivalent capacitance value of the C between antenna radiator and metal backing, metal edge frame and/or capacitive metal clad body, f are
The working frequency range of antenna.When equivalent capacitance value is changed, working frequency range also can accordingly change.The embodiment of the present invention is mainly led to
The equivalent capacitance value for changing and generating between antenna radiator and metal backing, metal edge frame and/or capacitive metal clad body is crossed, from
And change the working frequency range of antenna, to realize the multiband design of antenna.
Fig. 6 is a kind of specific attachment structure schematic diagram of terminal provided in an embodiment of the present invention, and realization antenna is described below
The mode of multiband design:
Specifically, the two of them inside of cracking in metal edge frame 11 is respectively provided with two capacitive metal clad bodies,
Cracking for middle left side (left and right shown in figure) is internal provided with capacitive metal clad body 131 and capacitive metal clad body 132, right
Cracking for side (left and right shown in figure) is internal provided with capacitive metal clad body 133 and capacitive metal clad body 134.It can pass through
The first switch device 141 of one single-pole double throw is separately connected with capacitive metal clad body 131 and capacitive metal clad body 132,
Wherein capacitive metal clad body 131 is connect with the first end of first switch device 141, and capacitive metal clad body 132 is opened with first
The second end for closing device 141 connects, and the other end of capacitive metal clad body 131 and capacitive metal clad body 132 is separately connected
Device C1 and C2 are matched, one end that matching device C1 and C2 are not connect with capacitive metal clad body is separately connected metal backing 10,
The third end of first switch device 141 connects antenna radiator 12；Pass through the first switch device 142 and appearance of a single-pole double throw
Property metal clad body 133 and capacitive metal clad body 134 be separately connected, wherein capacitive metal clad body 133 and first switch device
The first end of part 142 connects, and capacitive metal clad body 134 is connect with the second end of first switch device 142, capacitive metal clad
The other end of body 134 is connected to matching device C1 and C2, matches device C1 and C2 are not connect with capacitive metal clad body 134 one
End is separately connected metal backing 10, and the third end of first switch device 142 connects antenna radiator 12.Wherein, dotted line arrow in Fig. 6
Head indicates the label of the corresponding each side of each capacitive metal clad body respectively, wherein capacitive metal clad body 131 or capacitive
Metal clad body 132 and antenna radiator 12 are not parallel, capacitive metal clad body 133 or capacitive metal clad body 134 and antenna
Radiator is parallel, and the projection and antenna of capacitive metal clad body 133 or capacitive metal clad body 134 on antenna radiator 12
There are overlapping areas between radiator 12.
When the first switch device 141 and 142 in Fig. 6 is respectively at off-state, i.e. first switch device in Fig. 6
141 third end is not connect with its first end and second end, and the third end of first switch device 142 not with its first end and
When two ends connect, determine that the equivalent capacitance value of the working frequency range of antenna includes: to produce between antenna radiator 12 and metal backing 10
Raw equivalent capacitance value, the equivalent capacitance value generated between the left side and metal edge frame 11 of antenna radiator 12, aerial radiation
The equivalent capacitance value generated between the right side and metal edge frame 11 of body 12, the right side of antenna radiator 12 and capacitive medium gold
Belong to the equivalent capacitance value generated between the left side 04 of body 133, the right side of antenna radiator 12 and capacitive metal clad body 134
Left side 04 between the equivalent capacitance value that generates.
When first switch device 141 is connect with capacitive metal clad body 131 in Fig. 6, first switch device 142 is still in disconnected
When open state, when being in an off state at this time compared with first switch device 141 and 142, changed equivalent capacitance value includes: day
The equivalent capacitance value generated between beta radiation body 12 and metal backing 10 is the capacitance of capacitor element C1, capacitive metal clad body
The equivalent capacitance value generated between 131 left side 01 and metal edge frame 11, the right side 02 of capacitive metal clad body 131 and appearance
The equivalent capacitance value generated between the left side 01 of property metal clad body 132.
When first switch device 141 is connect with capacitive metal clad body 132 in Fig. 6, first switch device 142 is still in disconnected
When open state, when being in an off state at this time compared with first switch device 141 and 142, changed equivalent capacitance value includes: day
The equivalent capacitance value generated between beta radiation body 12 and metal backing 10 is the capacitance of capacitor element C2, capacitive metal clad body
The equivalent capacitance value generated between 132 left side 01 and the right side 02 of capacitive metal clad body 131, capacitive metal clad body
The equivalent capacitance value generated between 132 left side 01 and metal edge frame 11.
When first switch device 142 is connect with capacitive metal clad body 133 in Fig. 6, first switch device 141 is still in disconnected
When open state, at this time determine antenna working frequency range equivalent capacitance value include: capacitive metal clad body 133 right side 02 with
The equivalent capacitance value generated between metal edge frame 11, the downside 03 of capacitive metal clad body 133 and capacitive metal clad body 134
Upper side 01 between the equivalent capacitance value that generates, the equivalent capacitance value generated between antenna radiator 12 and metal backing, day
The equivalent capacitance value generated between the left side and metal edge frame 11 of beta radiation body 12.
When first switch device 142 is connect with capacitive metal clad body 134 in Fig. 6, first switch device 141 is still in disconnected
When open state, when being in an off state at this time compared with first switch device 141 and 142, changed equivalent capacitance value includes: day
The equivalent capacitance value generated between beta radiation body 12 and metal backing 10 is the capacitance of capacitor element C3 and C4, capacitive medium gold
Belong to the equivalent capacitance value generated between the right side 02 and metal edge frame 11 of body 134, the upper side 01 of capacitive metal clad body 134
The equivalent capacitance value generated between the downside 03 of capacitive metal clad body 133.
The present invention be referring to according to the method for the embodiment of the present invention, the process of equipment (system) and computer program product
Figure and/or block diagram describe.It should be understood that every one stream in flowchart and/or the block diagram can be realized by computer program instructions
The combination of process and/or box in journey and/or box and flowchart and/or the block diagram.It can provide these computer programs
Instruct the processor of general purpose computer, special purpose computer, Embedded Processor or other programmable data processing devices to produce
A raw machine, so that being generated by the instruction that computer or the processor of other programmable data processing devices execute for real
The device for the function of being specified in present one or more flows of the flowchart and/or one or more blocks of the block diagram.
These computer program instructions, which may also be stored in, is able to guide computer or other programmable data processing devices with spy
Determine in the computer-readable memory that mode works, so that it includes referring to that instruction stored in the computer readable memory, which generates,
Enable the manufacture of device, the command device realize in one box of one or more flows of the flowchart and/or block diagram or
The function of being specified in multiple boxes.
These computer program instructions also can be loaded onto a computer or other programmable data processing device, so that counting
Series of operation steps are executed on calculation machine or other programmable devices to generate computer implemented processing, thus in computer or
The instruction executed on other programmable devices is provided for realizing in one or more flows of the flowchart and/or block diagram one
The step of function of being specified in a box or multiple boxes.
Although preferred embodiments of the present invention have been described, it is created once a person skilled in the art knows basic
Property concept, then additional changes and modifications may be made to these embodiments.So it includes excellent that the following claims are intended to be interpreted as
It selects embodiment and falls into all change and modification of the scope of the invention.
Obviously, various changes and modifications can be made to the invention without departing from essence of the invention by those skilled in the art
Mind and range.In this way, if these modifications and changes of the present invention belongs to the range of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to include these modifications and variations.
Claims (9)
1. a kind of terminal, the terminal includes antenna radiator, the antenna radiator connecting signal source, which is characterized in that institute
Stating terminal includes:
Metal shell, the metal shell include metal edge frame and metal backing, and the metal edge frame has at least two to crack；
Described crack is internally provided at least one capacitive metal clad body；
The metal backing, at least one described capacitive metal clad body with and the antenna radiator constitute and first connect back
Road, first switch device and matching device are connected in first series loop.
2. terminal as described in claim 1, which is characterized in that the terminal further include: second switch device；
One end of the second switch device connects the metal edge frame, and the other end of the second switch device connects the day
Beta radiation body.
3. terminal as described in claim 1, which is characterized in that the terminal further include: antenna tuning circuit；
One end of the antenna tuning circuit connects the signal source, the other end of the antenna tuning circuit and the antenna spoke
Beam connection.
4. terminal as described in any one of claims 1-3, which is characterized in that the capacitive metal clad body and the antenna spoke
Beam is parallel, and the capacitive metal clad body exists in the projection on the antenna radiator and between the antenna radiator
Overlapping area.
5. terminal as described in any one of claims 1-3, which is characterized in that if had on a frame of the metal edge frame
There are two cracking, it is described two crack between form the antenna radiator.
6. terminal as claimed in claim 5, which is characterized in that the terminal further include: third switching device；
The metal backing and at least one described capacitive metal clad body constitute the second series loop, the third switching device
And matching device is connected in second series loop.
7. terminal as described in claim 1 or 6, which is characterized in that the series connection being connected on where the capacitive metal clad body
Matching device in circuit includes at least one.
8. terminal as claimed in claim 7, which is characterized in that the series loop being connected on where the capacitive metal clad body
In matching device include at least two when, it is described at least two matching device one end be separately connected the capacitive metal clad
Body, the other end are separately connected the metal backing.
9. terminal as claimed in claim 7, which is characterized in that the matching device is inductively or capacitively.
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| CN201910517541.4A CN110323541B (en) | 2019-06-14 | 2019-06-14 | Terminal |
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| CN110323541B (en) | 2021-07-13 |
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Address after: 266071 Shandong city of Qingdao province Jiangxi City Road No. 11 Patentee after: Qingdao Hisense Mobile Communication Technology Co.,Ltd. Address before: 266071 Shandong city of Qingdao province Jiangxi City Road No. 11 Patentee before: HISENSE MOBILE COMMUNICATIONS TECHNOLOGY Co.,Ltd. |
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