CN105552516B - A kind of antenna and mobile terminal - Google Patents
A kind of antenna and mobile terminal Download PDFInfo
- Publication number
- CN105552516B CN105552516B CN201510466799.8A CN201510466799A CN105552516B CN 105552516 B CN105552516 B CN 105552516B CN 201510466799 A CN201510466799 A CN 201510466799A CN 105552516 B CN105552516 B CN 105552516B
- Authority
- CN
- China
- Prior art keywords
- mobile terminal
- antenna
- metal
- tuner section
- back cover
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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
- H01Q1/12—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
- H01Q1/44—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
Landscapes
- Support Of Aerials (AREA)
- Telephone Set Structure (AREA)
Abstract
The embodiment of the invention discloses a kind of antenna and mobile terminals, the antenna includes: metal routing, inside mobile terminal, it connect and conducts without breakpoint metal center with the closed loop of the mobile terminal, and pass through the circuit board electrical connection in feeding point and the mobile terminal, for adjusting the resonance frequency of the antenna, wherein, the circuit board is located between the structural support metal plate in the mobile terminal and the metal back cover of the mobile terminal, the structural support metal plate connect and conducts with the metal back cover, the reference ground of the structural support metal plate and the metal back cover as the mobile terminal;The closed loop is without breakpoint metal center, for the radiator as the antenna, transmitting and reception signal.Using the present invention, mobile terminal can be under the premise of using closed loop without breakpoint metal center and metal back cover, it is ensured that antenna radiation performance.
Description
Technical field
The present invention relates to field of communication technology more particularly to a kind of antennas and mobile terminal.
Background technique
Requirement with user to mobile terminal appearance is continuously improved, and the Cell Phone Design of metal shell is with its special hand
Sense, texture and metallic luster are very big to the attraction of user.Therefore the mobile terminal of more and more metal appearances appears in market
On.
But in order to avoid closing the partition of conductor opponent machine signal, the metal center of number mobile terminals big absolutely have plastic cement every
Breakpoint, the metal center of only only a few mobile terminal are closed loops without breakpoint.The existing use announced is in no breakpoint
The mobile terminal of frame is all often to use annular or slot antenna, and do not support metal back cover, such as application number
201310472716.7 (radio-based electronic devices with the metal circumference including mutiple antennas) and 201310126183.7 (movements
The slot antenna device and mobile terminal of terminal), although meeting demand of the metal center without breakpoint in appearance, it is unable to satisfy
The demand of metal back cover, and merely with the simple realization of slot antenna, i.e., frame border is cracked gap in a metal, and this realization needs
Change gap size to adjust antenna resonant frequency, it is inflexible, and also the radiance of this slot antenna is relatively weak,
The crack design of gap of center border can also generate obvious reduction on complete machine structure intensity and influence.
Summary of the invention
The technical problem to be solved by the embodiment of the invention is that providing a kind of antenna and mobile terminal.To solve movement
The problem of terminal is for metal appearance design and antenna performance demand.
In order to solve the above-mentioned technical problem, the embodiment of the invention provides a kind of antennas, comprising:
Metal routing is located inside mobile terminal, connect with the closed loop of the mobile terminal without breakpoint metal center and electric
Conducting, and by the circuit board electrical connection in feeding point and the mobile terminal, for adjusting the resonance frequency of the antenna,
In, the circuit board is located between the structural support metal plate in the mobile terminal and the metal back cover of the mobile terminal,
The structural support metal plate connect and conducts with the metal back cover, the structural support metal plate and the metal back cover
Reference ground as the mobile terminal;
The closed loop is without breakpoint metal center, for the radiator as the antenna, transmitting and reception signal.
Wherein, the metal routing includes the first tuner section and the second tuner section, and first tuner section is used for so that institute
The working frequency range covering low-frequency range of antenna is stated, second tuner section is used for so that the working frequency range of the antenna covers high frequency
Section.
Wherein, track lengths of first tuner section and second tuner section and/or of different size.
Wherein, the metal routing for including in first tuner section and second tuner section is in winding setting.
Wherein, bottom mutually separate with position where earpiece in the mobile terminal is arranged in the metal routing.
Wherein, the material of the metal routing is stainless steel, copper, nickel-clad copper or gold plated copper.
The embodiment of the invention also provides a kind of mobile terminals, including antenna as described above.
The implementation of the embodiments of the present invention has the following beneficial effects:
Entire antenna is made of closed loop without breakpoint metal center and metal routing, the structural support metal built in mobile terminal
The reference ground of plate and metal back cover as mobile terminal, closed loop is to be physically connected to without breakpoint metal center and structural support metal plate
And conduct, so closed loop is without a part that breakpoint metal center is also with reference to ground.Closed loop is without breakpoint metal center as master
The antenna radiator wanted, metal routing adjust resonance frequency by changing size and shape.To realize closed loop without breakpoint
Metal center and the design of the metal appearance of metal back cover, while ensuring the radiance of antenna, greatly improve mobile terminal
The structural strength of fuselage;And feed structure design is simple, can be realized by the adjustment to metal routing to resonance frequency
It is adjusted flexibly.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the stereoscopic schematic diagram of inventive antenna structure;
Fig. 2 is the floor map of inventive antenna structure;
Fig. 3 is the result schematic diagram that return loss test is carried out using inventive antenna.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
The concrete composition and connection relationship of antenna of the embodiment of the present invention are introduced below in conjunction in Fig. 1 and Fig. 2, and
Antenna performance is tested by the return loss test of Fig. 3.
Fig. 1 is please referred to, is the stereoscopic schematic diagram of inventive antenna structure, in the present embodiment, the antenna includes:
Metal routing 100 is located inside mobile terminal, connects with the closed loop of the mobile terminal without breakpoint metal center 200
It connects and conducts, and by the circuit board electrical connection in feeding point (Fig. 1 is not indicated) and the mobile terminal, it is described for adjusting
The resonance frequency of antenna, wherein the circuit board is located at structural support metal plate 300 and the movement in the mobile terminal
Between the metal back cover 400 of terminal, the structural support metal plate 300 connect and conducts with the metal back cover 400, described
The reference ground of structural support metal plate 300 and the metal back cover 400 as the mobile terminal;The metal back cover 400 can
With covering part or the back of whole mobile terminals.
The closed loop is without breakpoint metal center 200, for the radiator as the antenna, transmitting and reception signal.
Wherein, mobile terminal can be the smart phone or tablet computer for having communication function.
Optionally, the metal routing 100 can be divided into two tuner section, can by shape to metal routing 100 and
Size is adjusted to cover several frequency ranges, such as low frequency 1, low frequency 2, low frequency 3, high frequency 1, high frequency 2 and high frequency 3.Certainly, even
Metal routing 100 can also be divided to the tuner section for 2 or more, respectively correspond different frequency ranges.
Optionally, in the vpg connection of tuner section, other than the tie point with other component, each tuner section includes
Metal routing can be arranged in winding.To sufficiently save the inner space of mobile terminal, returning for fold-line-shaped specifically may be configured as
Ring may be set to be curved winding.It is, of course, also possible to be arranged to other shapes, such as strip, triangle, only need
Ensure to be able to achieve the covering to different frequency range in certain space.In terms of the size of tuner section, specifically may include
Length and width can be covered by the adjustment of shape and size to tuner section and want covering frequency range.To meet future
The specific setting of the performance requirement of the various network formats of mobile terminal, the shape and size of tuner section can be tested and be tested
It arrives.So as to very flexibly adjustment resonance frequency.
Optionally, bottom mutually separate with position where earpiece in the mobile terminal is arranged in the metal routing 100.
It should be noted that towards the one end on ground when bottom herein refers to user's normal hand mobile terminal, and earpiece is general
It is arranged at the top of mobile terminal.By showing that mobile terminal, the test of electric current is found, low frequency and high frequency show that electric current is all main
Closed loop is distributed in without on breakpoint metal center 200 and metal routing 100, since the present embodiment designs metal routing in movement
The bottom of terminal, closed loop is less without 200 two sides of breakpoint metal center, that is, user's handgrip part current distribution, therefore user is hand-held
Current loss is small when mobile terminal, influences on antenna performance also just less;Similarly, since antenna is located at bottom, user makes
The position that human ear is touched when being answered or made a phone call with mobile terminal is the more bottom loss of current distribution at the top of mobile terminal
It is small, therefore use the hand of the mobile terminal of antenna described in embodiment of the present invention damage (damage of the manpower to aerial signal when hand held terminal
Consumption) and head damage (pasting the ear loss of the number of people to aerial signal when making a phone call) it is all relatively small, and the damage of right-hand man and left and right head
Consumption is all more balanced, can meet the needs of antenna performance is continuously improved in mobile terminal well.
Optionally, the material of the metal routing 100 can include but is not limited to stainless steel, copper, nickel-clad copper or gold plated copper.
It is described in detail below with reference to connection relationship of the Fig. 2 to antenna and mobile terminal other component.
It referring to figure 2., is the floor map of inventive antenna structure, in the present embodiment, the antenna includes:
Metal routing 100 is located inside mobile terminal, connects with the closed loop of the mobile terminal without breakpoint metal center 200
It connects and conducts, and by the circuit board electrical connection in feeding point 104 and the mobile terminal, for adjusting the humorous of the antenna
Vibration frequency, wherein the circuit board is located at the metal of structural support metal plate and the mobile terminal in the mobile terminal
Between back-cover, the structural support metal plate connect and conducts with the metal back cover, the structural support metal plate and institute
State reference ground of the metal back cover as the mobile terminal;
The closed loop is without breakpoint metal center 200, for the radiator as the antenna, transmitting and reception signal.
Specifically, the metal routing 100 may include the first tuner section 101 and the second tuner section 102, and described first adjusts
Humorous portion 101 is used for so that the working frequency range of the antenna covers low-frequency range, and second tuner section 102 is used for so that the antenna
Working frequency range cover high band.
The metal routing for including in first tuner section 101 and second tuner section 102 is in winding setting.
When adjusting resonance frequency to cover high and low frequency, first tuner section 101 and second tuner section 102
Track lengths and/or width can be different.Or the adjustment of resonance frequency can also be carried out by the shape of the two, certainly,
The size and shape of the two can also be adjusted simultaneously.
In the present embodiment, the first tuner section 101 and the second tuner section 102 are respectively by tie point 103 and closed loop without disconnected
Point metal center 200 connects.The feeding point 104 is arranged in the second tuner section 102, passes through the circuit of feeder line and mobile terminal
Plate connection.
Bottom mutually separate with position where earpiece in the mobile terminal is arranged in the metal routing 100.
In the present embodiment, entire antenna is made of closed loop without breakpoint metal center 200 and metal routing 100, closed loop without
Breakpoint metal center 200 is used as main antenna radiator, and metal routing 100 adjusts resonance frequency by changing size and shape
Rate.The reference ground of structural support metal plate 300 and metal back cover 400 as mobile terminal built in mobile terminal, closed loop is without disconnected
Point metal center 200 and structural support metal plate are physically connected to and conduct, so closed loop is without breakpoint metal center 200
It is a part with reference to ground, the working principle of the antenna is that eradiation is theoretical (present invention proposes a kind of new theory of radiation), i.e.,
Using part with reference to (closed loop is without breakpoint metal center 200) as the major radiator of antenna, using 100 pairs of days of metal routing
Line resonance frequency is adjusted.To realize the metal appearance design that closed loop is covered without breakpoint metal center and metal, simultaneously
The radiance for ensuring antenna greatly improves the structural strength of mobile Terminals;And feed structure design is simple, passes through
The adjustment of metal routing may be implemented that resonance frequency is adjusted flexibly;Metal routing is arranged in mobile terminal bottom, it can
The hand damage and head damage of mobile terminal are reduced, and the hand of right-hand man damages relative equilibrium.
After above-mentioned connection and setting, echo damage can be carried out using the mobile terminal of antenna described in the present embodiment
Consumption test.
Referring to figure 3., the result schematic diagram to carry out return loss test using inventive antenna.
Return loss is to indicate the parameter of signal reflex performance.Return loss illustrates that a part of incident power is reflected back toward
To signal source.For example, if injecting 1mW (0dBm) power to amplifier, wherein 10% is reflected (rebound) back, return loss
It is exactly 10dB.In terms of mathematical angle, return loss is -10lg [(reflection power)/(incident power)].Return loss is usually defeated
Enter and export and is all provided.Although entitled loss, its numerical value is bigger to illustrate that performance is better.
As shown in figure 3, abscissa is frequency, ordinate is return loss, respectively to low frequency 1, high frequency 1, high frequency 2 and high frequency
It is found that the absolute value of return loss is approximately equal to 10 or greater than 10, performance is preferable, can meet mobile terminal completely to day for 3 tests
The linearly demand of energy.
It should be noted that all the embodiments in this specification are described in a progressive manner, each embodiment weight
Point explanation is all differences from other embodiments, and the same or similar parts between the embodiments can be referred to each other.
For device embodiment, since it is basically similar to the method embodiment, so being described relatively simple, related place referring to
The part of embodiment of the method illustrates.
Description through the foregoing embodiment, the invention has the following advantages that
Entire antenna is made of closed loop without breakpoint metal center and metal routing, the structural support metal built in mobile terminal
The reference ground of plate and metal back cover as mobile terminal, closed loop is to be physically connected to without breakpoint metal center and structural support metal plate
And conduct, so closed loop is without a part that breakpoint metal center is also with reference to ground.Closed loop is without breakpoint metal center as master
The antenna radiator wanted, metal routing adjust resonance frequency by changing size and shape.To realize closed loop without breakpoint
Metal center and the design of the metal appearance of metal back cover, while ensuring the radiance of antenna, greatly improve mobile terminal
The structural strength of fuselage;And feed structure design is simple, and the spirit to resonance frequency may be implemented by the adjustment to metal routing
Adjustment living;By metal routing setting in mobile terminal bottom, the hand damage and head damage of mobile terminal, and the hand damage of right-hand man can be reduced
Relative equilibrium.
Those of ordinary skill in the art will appreciate that realizing all or part of the process in above-described embodiment method, being can be with
Relevant hardware is instructed to complete by computer program, the program can be stored in a computer-readable storage medium
In, the program is when being executed, it may include such as the process of the embodiment of above-mentioned each method.Wherein, the storage medium can be magnetic
Dish, CD, read-only memory (Read-Only Memory, abbreviation ROM) or random access memory (Random
Access Memory, abbreviation RAM) etc..
The above disclosure is only the preferred embodiments of the present invention, cannot limit the right model of the present invention with this certainly
It encloses, therefore equivalent changes made in accordance with the claims of the present invention, is still within the scope of the present invention.
Claims (7)
1. a kind of antenna characterized by comprising
Metal routing is located inside mobile terminal, and the closed loop of the metal routing and the mobile terminal is without breakpoint metal center
It connects and conducts, and the metal routing passes through the circuit board electrical connection in feeding point and the mobile terminal, the gold
Belong to the resonance frequency that cabling is used to adjust the antenna, wherein the circuit board is located at the structural support in the mobile terminal
Between metal plate and the metal back cover of the mobile terminal, the structural support metal plate is connect with the metal back cover and conductance
It is logical, the reference ground of the structural support metal plate and the metal back cover as the mobile terminal;
The closed loop is without breakpoint metal center, for the radiator as the antenna, transmitting and reception signal.
2. antenna as described in claim 1, which is characterized in that the metal routing includes the first tuner section and the second tuning
Portion, first tuner section be used for so that the antenna working frequency range cover low-frequency range, second tuner section be used for so that
The working frequency range of the antenna covers high band.
3. antenna as claimed in claim 2, which is characterized in that first tuner section walks wire length with second tuner section
It spends and/or of different size.
4. antenna as claimed in claim 3, which is characterized in that include in first tuner section and second tuner section
Metal routing is in winding setting.
5. antenna according to any one of claims 1-4, which is characterized in that the metal routing is arranged in the mobile terminal
In the mutually separate bottom in position where with earpiece.
6. antenna as claimed in claim 5, which is characterized in that the material of the metal routing be stainless steel, copper, nickel-clad copper or
Gold plated copper.
7. a kind of mobile terminal, which is characterized in that the mobile terminal includes the antenna as described in claim any one of 1-6.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201510466799.8A CN105552516B (en) | 2015-07-31 | 2015-07-31 | A kind of antenna and mobile terminal |
PCT/CN2015/091356 WO2017020425A1 (en) | 2015-07-31 | 2015-09-30 | Antenna and mobile terminal |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201510466799.8A CN105552516B (en) | 2015-07-31 | 2015-07-31 | A kind of antenna and mobile terminal |
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CN105552516A CN105552516A (en) | 2016-05-04 |
CN105552516B true CN105552516B (en) | 2019-03-22 |
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CN201510466799.8A Active CN105552516B (en) | 2015-07-31 | 2015-07-31 | A kind of antenna and mobile terminal |
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CN (1) | CN105552516B (en) |
WO (1) | WO2017020425A1 (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105680152B (en) * | 2016-03-11 | 2019-03-01 | 北京小米移动软件有限公司 | Terminal back-cover and its mobile terminal |
CN109411882B (en) * | 2018-11-19 | 2024-03-12 | 惠州硕贝德无线科技股份有限公司 | Dual-frequency antenna structure for 5G metal frame mobile phone terminal |
CN114006960B (en) * | 2020-07-28 | 2023-04-28 | 华为技术有限公司 | Electronic equipment |
CN112072304B (en) * | 2020-10-20 | 2023-02-28 | 北京字节跳动网络技术有限公司 | Terminal device |
CN112526226A (en) * | 2020-11-17 | 2021-03-19 | 惠州Tcl移动通信有限公司 | Method and system for detecting influence of metal coating of battery cover on antenna performance |
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CN201766163U (en) * | 2010-08-03 | 2011-03-16 | 中兴通讯股份有限公司 | Internal antenna and mobile terminal |
CN103606736A (en) * | 2013-09-18 | 2014-02-26 | 上海安费诺永亿通讯电子有限公司 | Novel LTE antenna with all-metal frame |
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US6686886B2 (en) * | 2001-05-29 | 2004-02-03 | International Business Machines Corporation | Integrated antenna for laptop applications |
CN102956954B (en) * | 2011-08-17 | 2015-08-26 | 联想(北京)有限公司 | Antenna assembly and terminal equipment |
US9203456B2 (en) * | 2012-09-25 | 2015-12-01 | Htc Corporation | Mobile device |
TWI617085B (en) * | 2013-05-31 | 2018-03-01 | 群邁通訊股份有限公司 | Antenna structure and wireless communication device using same |
CN203434270U (en) * | 2013-09-13 | 2014-02-12 | 广东欧珀移动通信有限公司 | Coupling feed-in type mobile terminal antenna apparatus |
CN104701619B (en) * | 2014-12-31 | 2017-08-01 | 东莞劲胜精密组件股份有限公司 | A kind of loop checking installation closure wireloop antenna and mobile device |
CN105305065A (en) * | 2015-09-28 | 2016-02-03 | 宇龙计算机通信科技(深圳)有限公司 | Mobile terminal |
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2015
- 2015-07-31 CN CN201510466799.8A patent/CN105552516B/en active Active
- 2015-09-30 WO PCT/CN2015/091356 patent/WO2017020425A1/en active Application Filing
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN201766163U (en) * | 2010-08-03 | 2011-03-16 | 中兴通讯股份有限公司 | Internal antenna and mobile terminal |
CN103606736A (en) * | 2013-09-18 | 2014-02-26 | 上海安费诺永亿通讯电子有限公司 | Novel LTE antenna with all-metal frame |
CN104064855A (en) * | 2014-05-27 | 2014-09-24 | 普尔思(苏州)无线通讯产品有限公司 | LTE-4G antenna for mobile phone with seamless metal ring |
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WO2017020425A1 (en) | 2017-02-09 |
CN105552516A (en) | 2016-05-04 |
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