CN105552516A - Antenna and mobile terminal - Google Patents
Antenna and mobile terminal Download PDFInfo
- Publication number
- CN105552516A CN105552516A CN201510466799.8A CN201510466799A CN105552516A CN 105552516 A CN105552516 A CN 105552516A CN 201510466799 A CN201510466799 A CN 201510466799A CN 105552516 A CN105552516 A CN 105552516A
- Authority
- CN
- China
- Prior art keywords
- mobile terminal
- antenna
- metal
- back cover
- breakpoint
- 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
- H01Q1/44—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 an antenna and a mobile terminal. The antenna comprises a metal routing unit and a closed-loop breakpoint-free metal middle frame. The metal routing unit arranged inside a mobile terminal is connected with the closed-loop breakpoint-free metal middle frame of the mobile terminal and is in electrical conduction and the metal routing unit that is also connected with a circuit board arranged inside the mobile terminal electrically by a feeding point is used for adjusting a resonant frequency of an antenna; and the circuit board is arranged between a structural support metal plate arranged inside the mobile terminal and a metal back cover of the mobile terminal and the structural support metal plate and the metal back cover are connected and are in electrical conduction, and the structural support metal plate and the metal back cover serve as reference grounds of the mobile terminal. The closed-loop breakpoint-free metal middle is used as an irradiator of the antenna and is used for transmitting and receiving a signal. Therefore, on the premise that the closed-loop breakpoint-free metal middle frame and the metal back cover are used by the mobile terminal, the radiation performance of the antenna can be ensured.
Description
Technical field
The present invention relates to communication technical field, particularly relate to a kind of antenna and mobile terminal.
Background technology
Along with user improves constantly the requirement of mobile terminal outward appearance, the Cell Phone Design of metal shell is very large to the attraction of user with its special feel, texture and metallic luster.Therefore the mobile terminal of more and more metal appearance occurs commercially.
But in order to avoid the partition of closed conductor opponent machine signal, the metal center of large absolutely number mobile terminal has plastic cement to cut off point, only has the metal center of only a few mobile terminal to be that closed loop is without breakpoint.Existing use of having announced is all often adopt annular or slot antenna at the mobile terminal without breakpoint center, and do not support metal back cover, as application number 201310472716.7 (there is the radio-based electronic devices of the metal circumference comprising multiple antenna) and 201310126183.7 (slot antenna device of mobile terminal and mobile terminals), although meet in appearance metal center without the demand of breakpoint, but the demand of metal back cover cannot be met, and only make use of the simple realization of slot antenna, namely crack gap in frame border in a metal, this realization needs to change gap size to adjust antenna resonant frequency, underaction, and the radiance of this slot antenna is relatively weak, the crack design of gap of center border also can produce obvious reduction impact to complete machine structure intensity.
Summary of the invention
Embodiment of the present invention technical problem to be solved is, provides a kind of antenna and mobile terminal.To solve mobile terminal for metal appearance design and the problem of antenna performance demand.
In order to solve the problems of the technologies described above, embodiments provide a kind of antenna, comprising:
Metal routing, be positioned at mobile terminal inside, be connected with the closed loop of described mobile terminal without breakpoint metal center and conduct, and be electrically connected with the circuit board in described mobile terminal by distributing point, for adjusting the resonance frequency of described antenna, wherein, between the support structure metallic plate of described circuit board in described mobile terminal and the metal back cover of described mobile terminal, described support structure metallic plate is connected with described metal back cover and conducts, and described support structure metallic plate and described metal back cover are as the reference ground of described mobile terminal;
Described closed loop, without breakpoint metal center, for the radiant body as described antenna, transmits and receives signal.
Wherein, described metal routing comprises the first tuner section and second tune portion, and the working frequency range that described first tuner section is provided for described antenna covers low-frequency range, and the working frequency range that described second tune portion is provided for described antenna covers high band.
Wherein, the track lengths in described first tuner section and described second tune portion and/or width different.
Wherein, the metal routing comprised in described first tuner section and described second tune portion is all arranged in winding.
Wherein, described metal routing be arranged in described mobile terminal with position, receiver place away from bottom.
Wherein, the material of described metal routing is stainless steel, copper, nickel-clad copper or gold plated copper.
The embodiment of the present invention additionally provides a kind of mobile terminal, comprises antenna as above.
Implement the embodiment of the present invention, there is following beneficial effect:
Whole antenna is made up of without breakpoint metal center and metal routing closed loop, the support structure metallic plate that mobile terminal is built-in and metal back cover are as the reference ground of mobile terminal, closed loop is that physics is connected and conducts without breakpoint metal center and support structure metallic plate, so closed loop is also the part with reference to ground without breakpoint metal center.Closed loop is without breakpoint metal center as main antenna radiator, and metal routing adjusts resonance frequency by varying sized and shape.Thus achieve the metal appearance design of closed loop without breakpoint metal center and metal back cover, ensure that the radiance of antenna simultaneously, greatly improve the structural strength of mobile terminal fuselage; And feed structure design is simple, by just can realize the flexible adjustment to resonance frequency to the adjustment of metal routing.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the schematic perspective view of inventive antenna structure;
Fig. 2 is the floor map of inventive antenna structure;
Fig. 3 is the result schematic diagram adopting inventive antenna to carry out return loss test.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Below in conjunction with in Fig. 1 and Fig. 2, the concrete composition of embodiment of the present invention antenna and annexation are introduced, and by the return loss test of Fig. 3, antenna performance are tested.
Please refer to Fig. 1, be the schematic perspective view of inventive antenna structure, in the present embodiment, described antenna comprises:
Metal routing 100, be positioned at mobile terminal inside, be connected with the closed loop of described mobile terminal without breakpoint metal center 200 and conduct, and be electrically connected with the circuit board in described mobile terminal by distributing point (Fig. 1 does not indicate), for adjusting the resonance frequency of described antenna, wherein, between the support structure metallic plate 300 of described circuit board in described mobile terminal and the metal back cover 400 of described mobile terminal, described support structure metallic plate 300 is connected with described metal back cover 400 and conducts, described support structure metallic plate 300 and the reference ground of described metal back cover 400 as described mobile terminal, described metal back cover 400 can the back of cover part or whole mobile terminals.
Described closed loop, without breakpoint metal center 200, for the radiant body as described antenna, transmits and receives signal.
Wherein, mobile terminal can be the smart mobile phone or the panel computer that possess communication function.
Alternatively, described metal routing 100 can be divided into two tuner section, by covering some frequency ranges to the shape and size adjustment of metal routing 100, as low frequency 1, low frequency 2, low frequency 3, high frequency 1, high frequency 2 and high frequency 3 etc.Certainly, even metal routing 100 can also be divided into the tuner section of more than 2, frequency ranges corresponding different respectively.
Alternatively, at the vpg connection of tuner section, except with the tie point of miscellaneous part except, the metal routing that each tuner section comprises can in winding arrange.Thus fully save the inner space of mobile terminal, specifically can be set to the winding of fold-line-shaped, also can be set to curved winding.Certainly, other shapes can also be arranged to, as strip, triangle etc., only need to guarantee in certain space, the covering to different frequency range can be realized.In the size of tuner section, specifically can comprise length and width, want to cover frequency range by just covering the shape of tuner section and the adjustment of size.Thus meeting the performance requirement of the various network formats of following mobile terminal, the shape of tuner section and the concrete setting of size can be carried out testing and testing obtaining.Thus resonance frequency can be adjusted very flexibly.
Alternatively, described metal routing 100 be arranged in described mobile terminal with position, receiver place away from bottom.It should be noted that, towards the one end on ground when bottom herein refers to user's normal hand mobile terminal, and receiver is generally arranged on mobile terminal top.By showing that to mobile terminal the test of electric current finds, low frequency and high frequency show that electric current is all mainly distributed in closed loop without on breakpoint metal center 200 and metal routing 100, because metal routing designs in the bottom of mobile terminal by the present embodiment, closed loop is less without the CURRENT DISTRIBUTION of breakpoint metal center 200 both sides and user's handgrip part, therefore during user's hand-held mobile terminal, current loss is little, also just less on antenna performance impact; In like manner, because antenna is positioned at bottom, therefore the position of people's ear is touched when user uses mobile terminal to answer or calls for mobile terminal top, the more bottom loss of CURRENT DISTRIBUTION is little, therefore the hand of the mobile terminal of antenna described in embodiment of the present invention damage (during hand held terminal, staff is to the loss of aerial signal) and head is used to damage (when subsides ear is made a phone call, the number of people is to the loss of aerial signal) all relatively little, and the loss of right-hand man and left and right head is all more balanced, the demand that mobile terminal improves constantly antenna performance can be met well.
Alternatively, the material of described metal routing 100 can include but not limited to stainless steel, copper, nickel-clad copper or gold plated copper.
Below in conjunction with Fig. 2, the annexation of antenna and mobile terminal miscellaneous part is described in detail.
Please refer to Fig. 2, be the floor map of inventive antenna structure, in the present embodiment, described antenna comprises:
Metal routing 100, be positioned at mobile terminal inside, be connected with the closed loop of described mobile terminal without breakpoint metal center 200 and conduct, and be electrically connected with the circuit board in described mobile terminal by distributing point 104, for adjusting the resonance frequency of described antenna, wherein, between the support structure metallic plate of described circuit board in described mobile terminal and the metal back cover of described mobile terminal, described support structure metallic plate is connected with described metal back cover and conducts, and described support structure metallic plate and described metal back cover are as the reference ground of described mobile terminal;
Described closed loop, without breakpoint metal center 200, for the radiant body as described antenna, transmits and receives signal.
Particularly, described metal routing 100 can comprise the first tuner section 101 and second tune portion 102, the working frequency range that described first tuner section 101 is provided for described antenna covers low-frequency range, and the working frequency range that described second tune portion 102 is provided for described antenna covers high band.
The metal routing comprised in described first tuner section 101 and described second tune portion 102 is all arranged in winding.
When adjusting resonance frequency to cover high and low frequency, track lengths and/or the width in described first tuner section 101 and described second tune portion 102 can be different.Or also can be carried out the adjustment of resonance frequency by the shape of the two, certainly, the size and dimension of the two can also be adjusted simultaneously.
In the present embodiment, the first tuner section 101 is connected without breakpoint metal center 200 with closed loop respectively by tie point 103 with second tune portion 102.Described distributing point 104 is arranged in second tune portion 102, is connected with the circuit board of mobile terminal by feeder line.
Described metal routing 100 be arranged in described mobile terminal with position, receiver place away from bottom.
In the present embodiment, whole antenna is made up of without breakpoint metal center 200 and metal routing 100 closed loop, and closed loop is without breakpoint metal center 200 as main antenna radiator, and metal routing 100 adjusts resonance frequency by varying sized and shape.The support structure metallic plate 300 that mobile terminal is built-in and metal back cover 400 are as the reference ground of mobile terminal, closed loop is that physics is connected and conducts without breakpoint metal center 200 and support structure metallic plate, so closed loop is also the part with reference to ground without breakpoint metal center 200, the operation principle of this antenna is eradiation theory (the present invention proposes a kind of new theory of radiation), namely utilize part with reference to the major radiator of ground (closed loop is without breakpoint metal center 200) as antenna, adopt metal routing 100 pairs of antenna resonant frequencies to adjust.Thus achieve the metal appearance design of closed loop without breakpoint metal center and metal tegmentum, ensure that the radiance of antenna simultaneously, greatly improve the structural strength of mobile terminal fuselage; And feed structure design is simple, by can realize the flexible adjustment to resonance frequency to the adjustment of metal routing; Be arranged on by metal routing bottom mobile terminal, the hand that can reduce mobile terminal damages and head damage, and the hand of right-hand man damages relative equilibrium.
After above-mentioned connection and arranging, return loss test can be carried out to adopting the mobile terminal of antenna described in the present embodiment.
Please refer to Fig. 3, is the result schematic diagram adopting inventive antenna to carry out return loss test.
Return loss is the parameter representing signal reflex performance.Return loss illustrates that a part for incident power is reflected back to signal source.Such as, if inject 1mW (0dBm) power to amplifier, wherein 10% is reflected (bounce-back) and is returned, and return loss is exactly 10dB.From mathematical angle, return loss is-10lg [(reflection power)/(incident power)].Return loss all specifies in input and output usually.Although loss by name, the larger explanation performance of its numerical value is better.
As shown in Figure 3, abscissa is frequency, and ordinate is return loss, test known to low frequency 1, high frequency 1, high frequency 2 and high frequency 3 respectively, the absolute value of return loss all approximates 10 or be greater than 10, and performance is better, can meet the demand of mobile terminal to antenna performance completely.
It should be noted that, each embodiment in this specification all adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiment, between each embodiment identical similar part mutually see.For device embodiment, due to itself and embodiment of the method basic simlarity, so description is fairly simple, relevant part illustrates see the part of embodiment of the method.
By the description of above-described embodiment, the present invention has the following advantages:
Whole antenna is made up of without breakpoint metal center and metal routing closed loop, the support structure metallic plate that mobile terminal is built-in and metal back cover are as the reference ground of mobile terminal, closed loop is that physics is connected and conducts without breakpoint metal center and support structure metallic plate, so closed loop is also the part with reference to ground without breakpoint metal center.Closed loop is without breakpoint metal center as main antenna radiator, and metal routing adjusts resonance frequency by varying sized and shape.Thus achieve the metal appearance design of closed loop without breakpoint metal center and metal back cover, ensure that the radiance of antenna simultaneously, greatly improve the structural strength of mobile terminal fuselage; And feed structure design is simple, by can realize the flexible adjustment to resonance frequency to the adjustment of metal routing; Be arranged on by metal routing bottom mobile terminal, the hand that can reduce mobile terminal damages and head damage, and the hand of right-hand man damages relative equilibrium.
One of ordinary skill in the art will appreciate that all or part of flow process realized in above-described embodiment method, that the hardware that can carry out instruction relevant by computer program has come, described program can be stored in a computer read/write memory medium, this program, when performing, can comprise the flow process of the embodiment as above-mentioned each side method.Wherein, described storage medium can be magnetic disc, CD, read-only store-memory body (Read-OnlyMemory is called for short ROM) or random store-memory body (RandomAccessMemory is called for short RAM) etc.
Above disclosedly be only present pre-ferred embodiments, certainly can not limit the interest field of the present invention with this, therefore according to the equivalent variations that the claims in the present invention are done, still belong to the scope that the present invention is contained.
Claims (7)
1. an antenna, is characterized in that, comprising:
Metal routing, be positioned at mobile terminal inside, be connected with the closed loop of described mobile terminal without breakpoint metal center and conduct, and be electrically connected with the circuit board in described mobile terminal by distributing point, for adjusting the resonance frequency of described antenna, wherein, between the support structure metallic plate of described circuit board in described mobile terminal and the metal back cover of described mobile terminal, described support structure metallic plate is connected with described metal back cover and conducts, and described support structure metallic plate and described metal back cover are as the reference ground of described mobile terminal;
Described closed loop, without breakpoint metal center, for the radiant body as described antenna, transmits and receives signal.
2. as claimed in claim 1 antenna, it is characterized in that, described metal routing comprises the first tuner section and second tune portion, and the working frequency range that described first tuner section is provided for described antenna covers low-frequency range, and the working frequency range that described second tune portion is provided for described antenna covers high band.
3. antenna as claimed in claim 1, is characterized in that, track lengths and/or the width in described first tuner section and described second tune portion are different.
4. antenna as claimed in claim 3, is characterized in that, the metal routing comprised in described first tuner section and described second tune portion is all arranged in winding.
5. the antenna as described in any one of claim 1-4, is characterized in that, described metal routing be arranged in described mobile terminal with position, receiver place away from bottom.
6. as claimed in claim 5 antenna, it is characterized in that, the material of described metal routing is stainless steel, copper, nickel-clad copper or gold plated copper.
7. a mobile terminal, is characterized in that, described mobile terminal comprises antenna as described in any one of claim 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 |
|---|---|---|---|
| CN201510466799.8A CN105552516B (en) | 2015-07-31 | 2015-07-31 | A kind of antenna and mobile terminal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105552516A true CN105552516A (en) | 2016-05-04 |
| CN105552516B CN105552516B (en) | 2019-03-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510466799.8A Active CN105552516B (en) | 2015-07-31 | 2015-07-31 | A kind of antenna and mobile terminal |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN105552516B (en) |
| WO (1) | WO2017020425A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017152622A1 (en) * | 2016-03-11 | 2017-09-14 | 北京小米移动软件有限公司 | Terminal back cover and mobile terminal thereof |
| CN114006960A (en) * | 2020-07-28 | 2022-02-01 | 华为技术有限公司 | Electronic device |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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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| 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 |
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- 2015-07-31 CN CN201510466799.8A patent/CN105552516B/en active Active
- 2015-09-30 WO PCT/CN2015/091356 patent/WO2017020425A1/en active Application Filing
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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 |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2017152622A1 (en) * | 2016-03-11 | 2017-09-14 | 北京小米移动软件有限公司 | Terminal back cover and mobile terminal thereof |
| US10965006B2 (en) | 2016-03-11 | 2021-03-30 | Beijing Xiaomi Mobile Software Co., Ltd. | Terminal back cover and mobile terminal |
| CN114006960A (en) * | 2020-07-28 | 2022-02-01 | 华为技术有限公司 | Electronic device |
| CN114006960B (en) * | 2020-07-28 | 2023-04-28 | 华为技术有限公司 | Electronic equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2017020425A1 (en) | 2017-02-09 |
| CN105552516B (en) | 2019-03-22 |
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