CN106602247A - Mobile terminal multi-frequency antenna and mobile terminal - Google Patents
Mobile terminal multi-frequency antenna and mobile terminal Download PDFInfo
- Publication number
- CN106602247A CN106602247A CN201611215602.4A CN201611215602A CN106602247A CN 106602247 A CN106602247 A CN 106602247A CN 201611215602 A CN201611215602 A CN 201611215602A CN 106602247 A CN106602247 A CN 106602247A
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- China
- Prior art keywords
- multifrequency
- mobile terminal
- antenna
- frequency
- short dot
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- 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
- H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
- H01Q1/38—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith formed by a conductive layer on an insulating support
-
- 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
- H01Q13/00—Waveguide horns or mouths; Slot antennas; Leaky-waveguide antennas; Equivalent structures causing radiation along the transmission path of a guided wave
- H01Q13/10—Resonant slot antennas
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- Waveguide Aerials (AREA)
- Support Of Aerials (AREA)
Abstract
The invention discloses a mobile terminal multi-frequency antenna and a mobile terminal. A metal casing or a PCB metal medium is provided with an open gap for realization of a slit antenna, a first side of the open gap is provided with a feeding point, a second side of the open gap is provided with a feeding point, the first side of the open gap is further provided with first multi-frequency short circuit points, and the second side of the open gap is further provided with second multi-frequency short circuit points; bandpass devices for realizing set frequency current conduction are connected in series between the first multi-frequency short circuit points and the second multi-frequency short circuit points, and conduction paths of the slit antenna formed on the basis of the feeding point, the first multi-frequency short circuit points, the bandpass devices, the second multi-frequency short circuit points and the feeding point realize set frequency antenna design. According to the antenna, through multi-point short circuit at the two sides of the open gap and through a serial connection mode of the bandpass devices with set frequencies, multi-frequency current conduction path design is realized on the slit antenna, and multi-frequency and wide-frequency antenna design under single slit condition is realized.
Description
Technical field
The present invention relates to antenna design techniques field, more particularly to a kind of multifrequency antenna and mobile terminal of mobile terminal.
Background technology
With the continuous development of metal-like mobile phone technique, the mobile terminal of metal material is due to the texture and light of its metal
Pool, is gradually pursued by consumer, has become the design standard configuration of high-end type, and starts to be popularized to terminal models.
In the Antenna Design of the mobile terminal with metal shell, typically a part for metal shell is set as antenna
Meter is used；For example using metal edge frame as Antenna Design or by metal shell crack using a part of metal independently as
Antenna is designing.After relatively independent metal part is as antenna radiator, all of frequency range of antenna is all realized in metal part,
Then meter multipoint earthing is set up separately to reduce absorption of the metal part to aerial radiation in remaining metal housing parts.
Existing this type Antenna Design, the headroom deficiency and the deterioration of electromagnetic environment due to antenna for mobile phone, causes antenna institute
Covering bandwidth is limited, and achieved working frequency range is less, and causes the signal intensity of mobile terminal not enough, have impact on
The performance of mobile terminal.
The content of the invention
The purpose of the present invention is to propose to the multifrequency antenna and mobile terminal of a kind of mobile terminal, can realize mobile terminal gold
Multifrequency antenna design under category shell list slot opening form.
The purpose of the present invention is achieved through the following technical solutions：
Propose a kind of multifrequency antenna of mobile terminal, including metal medium；Offer on the metal medium and realize slot antenna
Crack；First side cracked is provided with distributing point, and second side cracked is provided with feedback place；Wherein, described
Side and second side are two relative avris positioned at the both sides of cracking；And, first side cracked is additionally provided with
First multifrequency short dot, second side cracked is additionally provided with the second multifrequency short dot；The first multifrequency short dot and institute
State and the band logical device for realizing setpoint frequency current lead-through is in series between the second multifrequency short dot so that the slot antenna is based on
The distributing point, the first multifrequency short dot, the band logical device, the second multifrequency short dot and the feedback place are formed
Pathway realize the Antenna Design of the setpoint frequency.
Propose a kind of mobile terminal, including a kind of multifrequency antenna of mobile terminal；In the multifrequency antenna of the mobile terminal,
Include metal medium；Offer on the metal medium and realize cracking for slot antenna；First side cracked is provided with
Distributing point, second side cracked is provided with feedback place；Wherein, first side and second side are to crack positioned at described
The relative avris of two of both sides；And, first side cracked is additionally provided with the first multifrequency short dot, second side cracked
It is additionally provided with the second multifrequency short dot；Realization is in series between the first multifrequency short dot and the second multifrequency short dot to set
Determine the band logical device of frequency current conducting so that the slot antenna is based on the distributing point, the first multifrequency short dot, institute
The pathway for stating the formation of band logical device, the second multifrequency short dot and the feedback place realizes the antenna of the setpoint frequency
Design.
The technical scheme of the embodiment of the present invention, its technique effect having or advantage are：What the embodiment of the present invention was proposed
In the multifrequency antenna and mobile terminal of mobile terminal, open on the metal medium of metal shell, pcb board in such as mobile terminal etc.
It is provided with and realizes cracking for slot antenna, in the both sides cracked distributing point and feedback place are respectively provided with, the electric current of signal source is by feedback
Electricity point is conducted to feedback place ground connection along the edge that cracks, and so as to define the pathway of electric current, can realize the seam of a frequency
Gap Antenna Design；The the first multifrequency short dot and the second multifrequency short dot for being separately positioned on both sides of cracking passes through band logical shorted devices
Afterwards, the electric current of signal source cracks edge to the first multifrequency short dot, Jing band logical devices by the distributing point of side of cracking along part
Edge is cracked finally to feedback place, to the second multifrequency short dot, again along the part of opposite side so as to define a new electric current
Pathway, realizes the slot antenna design of another frequency, and another frequency is determined by the setpoint frequency of band logical device；By
This, the design of band logical device of connecting with reference to multigroup first multifrequency short dot and the second multifrequency short dot, cracking in mobile terminal
The slot antenna design of various different frequencies can simultaneously be realized, so as to realize on mobile terminal metal medium single slot opening form under
Multifrequency antenna design, meet design requirement of the mobile terminal to multifrequency point, and, when multigroup first multifrequency short dot and more than second
When the setpoint frequency of the band logical device of frequency short dot series connection is all relatively and all in setting frequency range, in the mobile terminal
Cracking can also realize the slot antenna design of wideband.
Description of the drawings
Fig. 1 is the design structure diagram of the multifrequency antenna of the mobile terminal that the embodiment of the present application is proposed；
Fig. 2 is the design structure diagram of the multifrequency antenna of the another mobile terminal that the embodiment of the present application is proposed；
Fig. 3 is the design structure diagram of the multifrequency antenna of the another mobile terminal that the embodiment of the present application is proposed；
Fig. 4 is the design structure diagram of the multifrequency antenna of the another mobile terminal that the embodiment of the present application is proposed.
Specific embodiment
In order that the object, technical solutions and advantages of the present invention are clearer, below in conjunction with accompanying drawing the present invention is made into
One step ground is described in detail, it is clear that described embodiment is only a part of embodiment of the invention, rather than the enforcement of whole
Example.Based on the embodiment in the present invention, what those of ordinary skill in the art were obtained under the premise of creative work is not made
All other embodiment, belongs to the scope of protection of the invention.
The multifrequency antenna of the mobile terminal that the application is proposed, including metal medium, offer realization seam on metal medium
Gap antenna cracks；Pcb board inside the metal shell or mobile terminal of the metal medium such as mobile terminal etc..With mobile whole
As a example by the metal shell at end, as shown in figure 1, offer on metal shell crack 12,12 first side of cracking is provided with feedback
Electricity point 11, the second side cracked is provided with feedback place 13；Wherein, the first side and the second side are relative positioned at two of both sides of cracking
Avris.Distributing point 11 is connected with signal source 10, and the electric current of signal source 10 is conducted to feedback ground by distributing point 11 along 12 edges that crack
Point 13 is grounded, and so as to define the pathway of electric current, can realize the slot antenna design of frequency one, and the frequency one is by cracking
Length and match circuit are determined.Signal source 10 refers to setting for the circuits such as antenna signal source, radio frequency master chip, duplex, filtering, power supply
The reserved design of meter and slot antenna П type match circuits.
In the embodiment of the present application, with reference to Fig. 1 and Fig. 2,12 the first side of cracking is additionally provided with the first multifrequency short dot, schemes
It is two the first multifrequency short dots 14 and 17 in showing；The second side cracked is additionally provided with the second multifrequency short dot 16；First multifrequency
The band for realizing setpoint frequency one and the current lead-through of setpoint frequency two is in series between short dot 14,17 and the second multifrequency short dot 16
Logical device 15 and 18 so that slot antenna is short based on distributing point 11, the first multifrequency short dot 14, band logical device 15, the second multifrequency
The pathway that waypoint 16 and feedback place 13 are formed realizes the Antenna Design of setpoint frequency one so that slot antenna is based on distributing point
11st, the pathway that the first multifrequency short dot 17, band logical device 18, the second multifrequency short dot 16 and feedback place 13 are formed is realized setting
Determine the Antenna Design of frequency two.It is above-mentioned, the seam of the frequency one constituted with distributing point 11 and feedback place 13 in conjunction with 12 bodies that crack
Gap antenna, crack 12 realize three-frequency antenna design.
It can be seen that, the first multifrequency short dot and the second multifrequency short dot for being separately positioned on 12 both sides of cracking passes through band logical device
After short circuit, the electric current of signal source cracks edge to the first multifrequency short dot, Jing band logicals by the distributing point of side of cracking along part
Device cracks edge finally to feedback place to the second multifrequency short dot, again along the part of opposite side, new so as to define one
Current conductive path, realizes the slot antenna design of different frequent points, and the different frequent points are determined by the setpoint frequency of band logical device；
Thus, with reference to the design of multigroup first multifrequency short dot and the second multifrequency short dot series connection band logical device, that is, the first multifrequency is short
Waypoint and the second multifrequency short dot are respectively multigroup, and connect between each group of the first multifrequency short dot and the second multifrequency short dot
The setpoint frequency of band logical device differ, enable to cracking in mobile terminal while realizing the gap of various different frequencies
Antenna Design, so as to realize the multifrequency antenna design on mobile terminal metal medium under single slot opening form, meets mobile terminal pair
The design requirement of multifrequency point.
Among these, when the setting of the band logical device connected between each group of the first multifrequency short dot and the second multifrequency short dot
The frequency of frequency is close, and during all in setting frequency range, cracking in the mobile terminal is accomplished that the gap of wideband
Antenna Design.
Here band logical device is the wave microstrip wave filter of band logical 1/2nd, high pass filter or band filter；Its
Principle is that the frequency band to other predetermined current paths of slot antenna hinders, to default frequency or band current band logical；That is,
Cause current loop destroyed and set to not make other frequency current short circuits；When it is microstrip filter, based on micro-
The characteristic of band filter, three frequencies can not be mutually other frequencys multiplication.
Crack 12 design can be yi word pattern, or formed guiding current path others form, such as spiral
Shape etc..Cracking can be opened in the centre of metal medium, it is also possible to as depicted in figs. 1 and 2, and one end of cracking extends to and metal is situated between
Matter is cut off.
As depicted in figs. 1 and 2, band logical device 15,18 passes through microstrip line or wired in series in the first multifrequency short dot 14,17
And second between multifrequency short dot 16.
In actual applications, band logical device can be replaced by active switch, by the matching of switch and cutting for conducting form
Change, it is possible to achieve the change of antenna resonance frequency, be achieved in the single-frequency switching of slot antenna.
Second multifrequency short dot is in the side cracked together with feedback place 13, in the design for realizing multifrequency point, per group
In first multifrequency short dot and the second multifrequency short dot, the second multifrequency short dot can be designed using same point, it is also possible to according to
Every group of path of design requirement is individually designed, it might even be possible to directly design as earth point, but it should be recognized that electric current cracks
Path or surrounding can not have the earth point of the non-design requirement of other modes.
In order to improve the performance of multi-frequency slot antenna, crack and its distributing point region need to be located at the nonmetallic projection of mobile terminal
Clearance zone；In order to improve the radiation directivity of multi-frequency slot antenna, position of cracking can need adjustment according to mobile terminal design
Top, side or other suitable positions to mobile terminal.Crack, distributing point and feedback place need to away from co-channel interference source, while
It is as far as possible high with the height of the metalwork below its projected area and reference ground.The same frequency coupling metal device of periphery needs multipoint earthing
Process.
In order to ensure that mobile terminal still is able to keep good radio-frequency performance under the hand holding state of transverse screen and portrait layout, will stitch
Where gap tested rotating platform is difficult to touch to staff, for example, will crack the metal edge frame that is opened in mobile terminal top and gold
The junction in category face, to evade hand effect.
Based on the multifrequency antenna of mobile terminal set forth above, the embodiment of the present invention also proposes a kind of mobile terminal, the shifting
Dynamic Terminal Design multifrequency antenna as above, cracking, both sides arrange the first multifrequency short dot and the second multifrequency short dot,
Connect the first multifrequency short dot and the second multifrequency short dot using band logical device so that the pathway of signal ource electric current is different from
Existing edge crack edge conducting form, from cracking on bridging form realization from conducting of the side to the opposite side that cracks of cracking,
The slot antenna design of multifrequency point is realized on cracking；The mobile terminal below the application proposed with two specific embodiments
It is described in detail.
Mobile terminal as shown in Figure 3, signal source 10 is connected in by shell fragment or microstrip line and distributing point 11 cracks 12
Side, 12 one end of cracking cuts off the metal shell of mobile terminal, has feedback place 13 in 12 opposite side of cracking, and is formed by believing
The current path one of number source 10 along crack 12 edges and the frequency one being grounded；In the first multifrequency short dot of 12 sides setting that cracks
34, by the multifrequency short dot 36 of band-pass circuit 35 and second of wired in series frequency two and the conducting of 12 opposite sides that crack, realize
By the current path two for presenting place 13；In the first multifrequency short dot 37 of 12 sides setting that cracks, by wired in series frequency
The three multifrequency short dot 39 of band-pass circuit 38 and second and the conducting of 12 opposite sides that crack, realize leading to by the electric current in feedback place 13
Road three.Hereby it is achieved that the three frequency paths design of frequency one, frequency two and frequency three.
Mobile terminal as shown in Figure 4, signal source 10 is connected in by shell fragment or microstrip line and distributing point 11 cracks 12
Side, 12 one end of cracking cuts off the metal shell of mobile terminal, has feedback place 13 in 12 opposite side of cracking, and is formed by believing
The current path one of number source 10 along crack 12 edges and the frequency one being grounded；In the first multifrequency short dot of 12 sides setting that cracks
44, by the band filter 45 and earth point 46 of wired in series frequency two and the conducting of 12 opposite sides that crack, realize that electric current leads to
Road two；Pass through band filter 48 and the ground connection of wired in series frequency three in the first multifrequency short dot 47 of 12 sides setting of cracking
Point 49 and the conducting of 12 opposite sides that crack, realize current path three.Hereby it is achieved that three frequencies of frequency one, frequency two and frequency three
Path is designed.Among these, frequency one is less than frequency two, and frequency two is less than frequency three；Corresponding, band filter 45 is high pass
Wave filter, can be by the signal of frequency two, and the signal of rejection frequency one and frequency three；Band filter 48 is also high-pass filtering
Device, can be by the signal of frequency three, and the signal of rejection frequency one and frequency two.Can accurately only by the design of this band logical
The frequency range for needing is allowed to pass through, and design cost is low.
In the volume multifrequency antenna and mobile terminal of the mobile terminal that above-mentioned the application is proposed, pass through many using in both sides of cracking
Point short circuit and the series system of the band logical device for passing through setpoint frequency, the guiding path that multifrequency electric current is realized on slot antenna sets
Meter, solves the problems, such as the compatible design conflicts of the multifrequency and wideband of single leaky antenna in metal appearance deisgn product, realizes list
The Antenna Design of multifrequency, wideband under the conditions of one gap.
, but those skilled in the art once know basic creation although preferred embodiments of the present invention have been described
Property concept, then can make other change and modification to these embodiments.So, claims are intended to be construed to include excellent
Select embodiment and fall into having altered and changing for the scope of the invention.
Obviously, those skilled in the art can carry out the essence of various changes and modification without deviating from the present invention to the present invention
God and scope.So, if these modifications of the present invention and modification belong to the scope of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to comprising these changes and modification.
Claims (10)
1. a kind of multifrequency antenna of mobile terminal, including metal medium；Offer on the metal medium and realize slot antenna
Crack；Characterized in that,
First side cracked is provided with distributing point, and second side cracked is provided with feedback place；Wherein, first side
It is two relative avris positioned at the both sides of cracking with second side；
And, first side cracked is additionally provided with the first multifrequency short dot, and second side cracked is additionally provided with more than second
Frequency short dot；It is in series between the first multifrequency short dot and the second multifrequency short dot and realizes setpoint frequency current lead-through
Band logical device so that the slot antenna be based on the distributing point, the first multifrequency short dot, the band logical device, institute
State the Antenna Design that the pathway that the second multifrequency short dot and the feedback place formed realizes the setpoint frequency.
2. the multifrequency antenna of mobile terminal according to claim 1, it is characterised in that the first multifrequency short dot and institute
State the second multifrequency short dot respectively multigroup；Go here and there between the first multifrequency short dot and the second multifrequency short dot described in each group
The setpoint frequency of the band logical device of connection is differed.
3. the multifrequency antenna of mobile terminal according to claim 2, it is characterised in that the first multifrequency short circuit described in each group
Point is close with the frequency of the setpoint frequency of the band logical device connected between the second multifrequency short dot, and all in setting frequency range
It is interior.
4. the multifrequency antenna of mobile terminal according to claim 1, it is characterised in that the band logical device passes through microstrip line
Or wired in series is between the first multifrequency short dot and the second multifrequency short dot.
5. the multifrequency antenna of mobile terminal according to claim 1, it is characterised in that the band logical device is opened for active
Close.
6. the multifrequency antenna of mobile terminal according to claim 1, it is characterised in that the second multifrequency short dot is to connect
Place.
7. the multifrequency antenna of mobile terminal according to claim 1, it is characterised in that the band logical device is two points of band logical
One of wave microstrip wave filter, high pass filter or band filter.
8. the multifrequency antenna of mobile terminal according to claim 1, it is characterised in that the metal medium is mobile terminal
Metal shell or the pcb board that includes of the mobile terminal.
9. the multifrequency antenna of mobile terminal according to claim 1, it is characterised in that described cracking is opened in the metal
In the middle of medium;Or, described one end cracked is extended to metal medium cut-out.
10. a kind of mobile terminal, it is characterised in that include the multifrequency day of the mobile terminal as described in any one of claim 1-9
Line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611215602.4A CN106602247A (en) | 2016-12-26 | 2016-12-26 | Mobile terminal multi-frequency antenna and mobile terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611215602.4A CN106602247A (en) | 2016-12-26 | 2016-12-26 | Mobile terminal multi-frequency antenna and mobile terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106602247A true CN106602247A (en) | 2017-04-26 |
Family
ID=58603736
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611215602.4A Pending CN106602247A (en) | 2016-12-26 | 2016-12-26 | Mobile terminal multi-frequency antenna and mobile terminal |
Country Status (1)
| Country | Link |
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| CN (1) | CN106602247A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107768811A (en) * | 2017-10-09 | 2018-03-06 | 青岛海信移动通信技术股份有限公司 | A kind of slot antenna and mobile terminal |
| CN113690582A (en) * | 2020-05-19 | 2021-11-23 | 华为技术有限公司 | Wearable equipment |
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| CN105322290A (en) * | 2014-05-30 | 2016-02-10 | 广州光宝移动电子部件有限公司 | Antenna structure and wireless device |
| CN105337036A (en) * | 2015-11-12 | 2016-02-17 | 深圳市万普拉斯科技有限公司 | Mobile terminal and antenna structure thereof |
| CN105870626A (en) * | 2016-04-13 | 2016-08-17 | 惠州硕贝德无线科技股份有限公司 | Coupled feeding near-field antenna and equipment thereof |
| CN105977615A (en) * | 2016-07-15 | 2016-09-28 | 广东欧珀移动通信有限公司 | Antenna device and mobile terminal |
| CN205752543U (en) * | 2016-05-20 | 2016-11-30 | 维沃移动通信有限公司 | A kind of antenna system and mobile terminal |
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| CN105322290A (en) * | 2014-05-30 | 2016-02-10 | 广州光宝移动电子部件有限公司 | Antenna structure and wireless device |
| CN104505575A (en) * | 2014-12-29 | 2015-04-08 | 上海安费诺永亿通讯电子有限公司 | Adjustable antenna for all-metal structural communication terminal equipment |
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| CN107768811A (en) * | 2017-10-09 | 2018-03-06 | 青岛海信移动通信技术股份有限公司 | A kind of slot antenna and mobile terminal |
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| CN113690582A (en) * | 2020-05-19 | 2021-11-23 | 华为技术有限公司 | Wearable equipment |
| WO2021232994A1 (en) * | 2020-05-19 | 2021-11-25 | 华为技术有限公司 | Wearable device |
| CN113690582B (en) * | 2020-05-19 | 2023-02-03 | 华为技术有限公司 | Wearable equipment |
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Application publication date: 20170426 |