CN104617381B - Three-dimensional seven frequency range antenna for mobile phone - Google Patents
Three-dimensional seven frequency range antenna for mobile phone Download PDFInfo
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- CN104617381B CN104617381B CN201510021001.9A CN201510021001A CN104617381B CN 104617381 B CN104617381 B CN 104617381B CN 201510021001 A CN201510021001 A CN 201510021001A CN 104617381 B CN104617381 B CN 104617381B
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Abstract
The invention provides the three-dimensional seven frequency ranges antenna for mobile phone of one kind, it is desirable to provide a kind of miniaturization and the intelligent mobile phone antenna for being capable of compatibility many kinds of communications bands of 2G/3G/4G.The present invention includes first substrate, second substrate, the first sheet metal group, the second sheet metal group, the 3rd sheet metal group；First sheet metal group direct feed, can inspire higher order resonances mould, for covering high band, and the second sheet metal group and the 3rd sheet metal group together constitute parasitic short circuit band, for expanding bandwidth covering low-frequency range.The present invention uses stereochemical structure, make full use of space, the area that antenna takes on mobile phone main circuit board, only 30mm*11mm are reduced, and with very big bandwidth, cover many frequency ranges of 2G/3G/4G, at the same time, the present invention does not include any lamped element and specific substrate material, light weight, efficiency high, it is adaptable to current smart mobile phone.
Description
Technical field
The invention belongs to antenna technical field, and in particular to a kind of three-dimensional seven frequency ranges antenna for mobile phone.
Background technology
Mobile phone market is faced with most keen competition in the communications industry, and antenna for mobile phone design is then weight in product design
The ring wanted, can be directly connected to cell phone manufacturer enter high-end market., under a variety of communication standards now and the situation deposited
Mobile phone is asked to realize increasing function, these require that antenna needs to design bigger all conventional frequencies of bandwidth covering
Section.Intelligent mobile phone antenna typically integrates 2G, 3G and 4G multiple types, and more multiband is covered as far as possible.Broadband day
Line design is always the emphasis of smart mobile phone, especially for low-frequency range（GSM850/900）Covering, it is more challenging.
And due to the arrival in 4G epoch, the design of antenna more be unable to do without broadband technology.On the other hand, antenna miniaturization is domestic
The focus that Wai Ge cell phone manufacturers chase.Current cell-phone function is more and more, and integrated element is also just more and more, while mobile phone
Appearance design constantly incorporates fashion and aesthetic feeling element, antenna size is constantly reduced, and further increases the design of antenna for mobile phone
Difficulty.Sum it up, miniaturization and multiband are the most important things in antenna for mobile phone research.Current level, general seven frequency range
Area of the antenna for mobile phone on substrate is no less than seven in 30mm*15mm, such as number of patent application CN201310223088.9
Frequency range antenna for mobile phone is 30mm*15mm.And because antenna can receive the wavelength of electromagnetic wave and antenna size has positive correlation,
Ensure that the electromagnetic wavelength that can receive of antenna is constant, and reduce the size of antenna, it is necessary to exquisite design.Therefore on existing basis
Upper width or length reduce a millimeter and are required for paying great efforts again.
The content of the invention
To solve the miniaturization of antenna for mobile phone and the problem of multiband, the invention provides the three-dimensional seven frequency ranges mobile phone day of one kind
Line, it is a kind of intelligent mobile phone antenna for minimizing and being capable of compatibility many kinds of communications bands of 2G/3G/4G, only 30mm*
11mm, compares mean level（30mm*15mm）Reduce 26.7%.
Basic scheme of the present invention is as follows：
A kind of three-dimensional seven frequency ranges antenna for mobile phone, it is characterised in that it includes first substrate, earth plate, second substrate, first
Sheet metal group, the second sheet metal group, the 3rd sheet metal group；Earth plate is located at first substrate in first substrate bottom surface, second substrate
, there is gap top parallel to first substrate and with it；First sheet metal group, the second sheet metal group and the 3rd sheet metal group are located at the
On two substrates, the first sheet metal group and the second sheet metal group have gap between the 3rd sheet metal group, the second sheet metal group is parasitic
In in the 3rd sheet metal group.First sheet metal group direct feed, can inspire higher order resonances mould, for covering high band, the
Two sheet metal groups and the 3rd sheet metal group together constitute parasitic short circuit band, for expanding bandwidth covering low-frequency range.
The first sheet metal group is by the first vertical rectangular metal sheet, the first rectangular metal sheet, the second rectangular metal sheet,
Three rectangular metal sheets, the 4th rectangular metal sheet, the second vertical rectangular metal sheet, which is connected, to be formed；Wherein the first rectangular metal sheet, the
Two rectangular metal sheets, the 3rd rectangular metal sheet, the 4th rectangular metal sheet is close to second substrate upper surface, and the first vertical rectangle
Sheet metal, the second vertical rectangular metal sheet, perpendicular to second substrate upper surface；The short side of first vertical rectangular metal sheet is
The short side of one rectangular metal sheet, the first rectangular metal sheet it is long while vertical second rectangular metal sheet it is long while, the second rectangular metal
The short side of piece, the long of the 3rd rectangular metal sheet constitute the second vertical rectangular metal sheet in long with the 4th rectangular metal sheet
Long side；The width and the 4th rectangular metal sheet of 3rd rectangular metal sheet are variant, the wide 0.5mm of the 3rd rectangular metal sheet, the 4th square
The wide 1.5mm of shape sheet metal；First vertical rectangular metal sheet is connected through first substrate with earth plate, the first vertical rectangle gold
Belong to piece direct feed.
The second sheet metal group is by the 5th rectangular metal sheet, the 6th rectangular metal sheet, the 7th rectangular metal sheet, the 8th square
Shape sheet metal, the 9th rectangular metal sheet, the tenth rectangular metal sheet, the 11st rectangular metal sheet is formed by connecting；Second sheet metal group
All rectangular metal sheets are all located at second substrate upper surface；The length of vertical 6th rectangular metal sheet in long side of 5th rectangular metal sheet
Side, the 6th rectangular metal sheet it is long while vertical 7th rectangular metal sheet it is long while, the long side and the 11st of the 8th rectangular metal sheet
Rectangular metal sheet it is long while vertical 7th rectangular metal sheet it is long while, vertical 8th rectangular metal in long side of the 9th rectangular metal sheet
The long side of piece, the tenth rectangular metal sheet it is long while vertical 9th rectangular metal sheet it is long while；5th rectangular metal sheet and the 3rd gold medal
The 12nd rectangular metal sheet in category piece group is vertically connected；Second sheet metal group is located at the first sheet metal group and the 3rd sheet metal group
Encirclement among.
The 3rd sheet metal group is by the 3rd vertical rectangular metal sheet, the 12nd rectangular metal sheet, the 13rd rectangular metal
Piece, the 14th rectangular metal sheet, the 4th vertical rectangular metal sheet is formed by connecting, wherein the 3rd vertical rectangular metal sheet penetrates first
Substrate is connected with earth plate；3rd vertical rectangular metal length of a film while vertical 12nd rectangular metal sheet it is long while, the 12nd rectangle
Sheet metal it is long while vertical 13rd rectangular metal sheet it is long while, the vertical 14th rectangle gold in the long side of the 13rd rectangular metal sheet
Belong to piece long side, the 14th rectangular metal sheet it is long while be the 4th vertical rectangular metal sheet it is long while；3rd sheet metal group will
Second sheet metal group semi-surrounding.
The beneficial effects of the invention are as follows：The present invention uses stereochemical structure, makes full use of space, reduces antenna in mobile phone master
The area taken on circuit board（Only 30mm*11mm, and the antenna area occupied for generally covering same frequency range is 30mm*15mm,
Reduce 26.7%）, and with very big bandwidth（802MHz-977Mhz, 1512MHz-2727MHz）, cover seven frequency ranges
GSM850/900/1800/1900, UMTS, LTE2300/2500, at the same time, the present invention do not include any lamped element and spy
Different baseplate material, light weight, efficiency high, it is adaptable to current smart mobile phone.
Brief description of the drawings
Fig. 1 is the stereogram of the present invention,
Fig. 2 is the partial enlarged drawing of the present invention,
Fig. 3 is the vertical view Local map of the present invention,
Fig. 4 is the left side view of the present invention,
Fig. 5 is the front view of the present invention,
Fig. 6 is the performance S11 Parameter Maps of the present invention,
Description of symbols in figure：First substrate 1, earth plate 2, second substrate 3, the first sheet metal group 4, the second sheet metal group 5,
3rd sheet metal group 6, the first vertical rectangular metal sheet 41, the first rectangular metal sheet 42, the second rectangular metal sheet 43, the 3rd rectangle
In sheet metal 44, the 4th rectangular metal sheet 45, the second vertical rectangular metal sheet 46, the 5th rectangular metal sheet 61, the 6th rectangle gold
Category piece 62, the 7th rectangular metal sheet 63, the 8th rectangular metal sheet 64, the 9th rectangular metal sheet 65, the tenth rectangular metal sheet 66, the
11 rectangular metal sheets 67, the 3rd vertical rectangular metal sheet 51, the 12nd rectangular metal sheet 52, the 13rd rectangular metal sheet 53,
14th rectangular metal sheet 54, the 4th vertical rectangular metal sheet 55.
Embodiment
Below by specific embodiment and the present invention is described in further detail with reference to accompanying drawing.
Embodiment
A kind of three-dimensional seven frequency ranges antenna for mobile phone, as shown in Figure 1 it include first substrate 1（Thickness 0.8mm）, earth plate 2, the
Two substrates 3（Thickness 0.8mm）, the first sheet metal group 4, the second sheet metal group 6, the 3rd sheet metal group 5；Earth plate 2 is in the first base
The bottom surface of plate 1, second substrate 3 is located at the top of first substrate 1, has gap parallel to first substrate 1 and with it, gap length is
4.2mm；First sheet metal group 4, the second sheet metal group 6 and the 3rd sheet metal group 5 are located on second substrate 3, the first sheet metal
Have gap between group 4 and the second sheet metal group 6, the 3rd sheet metal group 5, the second sheet metal group 6 parasitize the 3rd sheet metal group 5 it
On.First substrate size is 60mm*115mm, and the size of second substrate 3 is 11mm*30mm.The direct feed of first sheet metal group 4,
Higher order resonances mould can be inspired, for covering high band, the second sheet metal group 6 and the 3rd sheet metal group 5 are together constituted and posted
Raw short circuit band, for expanding bandwidth covering low-frequency range.
As shown in Fig. 2 the first sheet metal group 4 is by the first vertical rectangular metal sheet 41, the first rectangular metal sheet 42, the second square
Shape sheet metal 43（Size 25mm*4.5mm）, the 3rd rectangular metal sheet 44, the 4th rectangular metal sheet 45, the second vertical rectangular metal
Piece 46（Size 9mm*5mm）It is connected and forms.The short side of first vertical rectangular metal sheet 41 is the short of the first rectangular metal sheet 42
Side, the first rectangular metal sheet 42 it is long while vertical second rectangular metal sheet 43 it is long while, the short side of the second rectangular metal sheet 43,
The long long side that the second vertical rectangular metal sheet 46 is constituted in long with the 4th rectangular metal sheet 45 of three rectangular metal sheets 44；
The width and the 4th rectangular metal sheet 45 of 3rd rectangular metal sheet 44 are variant, the width 0.5mm of the 3rd rectangular metal sheet 44, the 4th square
The width of shape sheet metal 45 1.5mm.
As shown in figure 3, the second sheet metal group 6 is by the 5th rectangular metal sheet 61, the 6th rectangular metal sheet 62, the 7th square
Shape sheet metal 63, the 8th rectangular metal sheet 64, the 9th rectangular metal sheet 65, the tenth rectangular metal sheet 66, the 11st rectangular metal
Piece 67 is formed by connecting；5th rectangular metal sheet 61 it is long while vertical 6th rectangular metal sheet 62 it is long while, the 6th rectangular metal sheet
62 it is long while vertical 7th rectangular metal sheet 63 it is long while, the long side of the 8th rectangular metal sheet 64 and the 11st rectangular metal sheet 67
It is long while vertical 7th rectangular metal sheet 63 it is long while, vertical 8th rectangular metal sheet 64 in long side of the 9th rectangular metal sheet 65
Long side, the tenth rectangular metal sheet 66 it is long while vertical 9th rectangular metal sheet 65 it is long while；5th rectangular metal sheet 61 and the 3rd
The 12nd rectangular metal sheet 52 in sheet metal group 5 is vertically connected；Second sheet metal group 6 is located at the first sheet metal group 4 and the 3rd
Among the encirclement of sheet metal group 5.Each rectangular metal sheet width contained by the second sheet metal group 6 is 1mm.
As shown in Fig. 2 the 3rd sheet metal group 5 is by the 3rd vertical rectangular metal sheet 51, the 12nd rectangular metal sheet 52
（Width 0.5mm）, the 13rd rectangular metal sheet 53（Width 1mm）, the 14th rectangular metal sheet 54（Width 1mm）, the 4th is vertical
Rectangular metal sheet 55（Size 30mm*5mm）It is formed by connecting；Vertical 12nd rectangular metal in the 3rd long side of vertical rectangular metal sheet 51
The long side of piece 52, the 12nd rectangular metal sheet 52 it is long while vertical 13rd rectangular metal sheet 53 it is long while, the 13rd rectangle gold
Belong to piece 53 it is long while vertical 14th rectangular metal sheet 54 it is long while, the long side of the 14th rectangular metal sheet 54 is the 4th vertical
The long side of rectangular metal sheet 55；3rd sheet metal group 5 is by the semi-surrounding of the second sheet metal group 6.Earth plate 2 is not complete rectangular, left
Top is provided with the clearance zone of a rectangle, and the area of it and second substrate 3 is all 30mm*11mm.
As shown in figure 4, the first rectangular metal sheet 42, the second rectangular metal sheet 43, the 3rd rectangular metal sheet 44, the 4th rectangle
Sheet metal 45 is close to the upper surface of second substrate 3, and all rectangular metal sheets of the second sheet metal group 6 are all located at the upper table of second substrate 3
Face；The second vertical rectangular metal sheet 55 of vertical rectangular metal sheet 46 and the 4th（Size 30mm*5mm）, on second substrate 3
Surface.
As shown in figure 5, the first vertical rectangular metal sheet 41 penetrates first substrate 1 with connecing with the 3rd vertical rectangular metal sheet 51
Floor 2 is connected, the first vertical direct feed of rectangular metal sheet 41.The first vertical rectangular metal sheet 41 and the 3rd vertical
The height of rectangular metal sheet 51 is 5.8mm, and this highly includes the thickness 0.8mm of first substrate 1, the thickness 0.8mm of second substrate 3,
The upper surface of first substrate 1 is with the lower surface of second substrate 3 apart from 4.2mm.
As shown in fig. 6, antenna covering frequency range is 802MHz-977Mhz, 1512MHz-2727MHz is to cover
GSM850/900/1800/1900, UMTS, LTE2300/2500 totally 7 frequency ranges, meet 2G/3G/4G band requirements.
The present invention uses stereochemical structure, makes full use of space, reduces the area that antenna takes on mobile phone main circuit board
（Only 30mm*11mm）, and with very big bandwidth, seven frequency ranges are covered, at the same time, the present invention does not include any lump member
Part and specific substrate material, light weight, efficiency high, it is adaptable to current smart mobile phone.
Claims (3)
1. a kind of three-dimensional seven frequency ranges antenna for mobile phone, it is characterised in that it includes first substrate（1）, earth plate（2）, second substrate
（3）, the first sheet metal group（4）, the second sheet metal group（6）, the 3rd sheet metal group（5）；Earth plate（2）In first substrate（1）Bottom
Face, second substrate（3）Positioned at first substrate（1）Top, parallel to first substrate（1）And have gap with it；First sheet metal group
（4）, the second sheet metal group（6）With the 3rd sheet metal group（5）Positioned at second substrate（3）On, the first sheet metal group（4）With second
Sheet metal group（6）, the 3rd sheet metal group（5）Between have gap, the second sheet metal group（6）Parasitize the 3rd sheet metal group（5）On；
First sheet metal group（4）By the first vertical rectangular metal sheet（41）, the first rectangular metal sheet（42）, the second rectangular metal sheet
（43）, the 3rd rectangular metal sheet（44）, the 4th rectangular metal sheet（45）, the second vertical rectangular metal sheet（46）It is connected and forms；Its
In the first rectangular metal sheet（42）, the second rectangular metal sheet（43）, the 3rd rectangular metal sheet（44）, the 4th rectangular metal sheet（45）
It is close to second substrate（3）Upper surface, and the first vertical rectangular metal sheet（41）, the second vertical rectangular metal sheet（46）, vertically
In second substrate（3）Upper surface；First vertical rectangular metal sheet（41）Short side be the first rectangular metal sheet（42）Short side,
First rectangular metal sheet（42）Vertical second rectangular metal sheet in long side（43）Long side, the second rectangular metal sheet（43）It is short
Side, the 3rd rectangular metal sheet（44）Long side and the 4th rectangular metal sheet（45）Long side constitute the second vertical rectangular metal sheet
（46）Long side；3rd rectangular metal sheet（44）Width and the 4th rectangular metal sheet（45）It is variant, the 3rd rectangular metal sheet
（44）Wide 0.5mm, the 4th rectangular metal sheet（45）Wide 1.5mm；First vertical rectangular metal sheet（41）Through first substrate（1）With
Earth plate（2）It is connected, the first vertical rectangular metal sheet（41）Direct feed.
2. three-dimensional seven frequency ranges antenna for mobile phone as claimed in claim 1, it is characterised in that the second sheet metal group（6）By the 5th square
Shape sheet metal（61）, the 6th rectangular metal sheet（62）, the 7th rectangular metal sheet（63）, the 8th rectangular metal sheet（64）, the 9th square
Shape sheet metal（65）, the tenth rectangular metal sheet（66）, the 11st rectangular metal sheet（67）It is formed by connecting；Second sheet metal group（6）
All rectangular metal sheets are all located at second substrate（3）Upper surface；5th rectangular metal sheet（61）Long side vertical 6th rectangle gold
Belong to piece（62）Long side, the 6th rectangular metal sheet（62）Vertical 7th rectangular metal sheet in long side（63）Long side, the 8th rectangle
Sheet metal（64）Long side and the 11st rectangular metal sheet（67）Vertical 7th rectangular metal sheet in long side（63）Long side, the 9th
Rectangular metal sheet（65）Vertical 8th rectangular metal sheet in long side（64）Long side, the tenth rectangular metal sheet（66）Long side it is vertical
9th rectangular metal sheet（65）Long side；5th rectangular metal sheet（61）With the 3rd sheet metal group（5）In the 12nd rectangle gold
Belong to piece（52）It is vertically connected；Second sheet metal group（6）Positioned at the first sheet metal group（4）With the 3rd sheet metal group（5）Encirclement it
In.
3. three-dimensional seven frequency ranges antenna for mobile phone as claimed in claim 1, it is characterised in that the 3rd sheet metal group（5）Erected by the 3rd
Straight rectangular metal sheet（51）, the 12nd rectangular metal sheet（52）, the 13rd rectangular metal sheet（53）, the 14th rectangular metal sheet
（54）, the 4th vertical rectangular metal sheet（55）It is formed by connecting, wherein the 3rd vertical rectangular metal sheet（51）Penetrate first substrate（1）
With earth plate（2）It is connected；3rd vertical rectangular metal sheet（51）With the 4th vertical rectangular metal sheet（55）On vertical second substrate
Surface；3rd vertical rectangular metal sheet（51）Vertical 12nd rectangular metal sheet in long side（52）Long side, the 12nd rectangular metal
Piece（52）Vertical 13rd rectangular metal sheet in long side（53）Long side, the 13rd rectangular metal sheet（53）Long side the vertical tenth
Four rectangular metal sheets（54）Long side, the 14th rectangular metal sheet（54）Long side be the 4th vertical rectangular metal sheet（55）'s
Long side；3rd sheet metal group（5）By the second sheet metal group（6）Semi-surrounding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510021001.9A CN104617381B (en) | 2015-01-16 | 2015-01-16 | Three-dimensional seven frequency range antenna for mobile phone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510021001.9A CN104617381B (en) | 2015-01-16 | 2015-01-16 | Three-dimensional seven frequency range antenna for mobile phone |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104617381A CN104617381A (en) | 2015-05-13 |
| CN104617381B true CN104617381B (en) | 2017-08-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510021001.9A Expired - Fee Related CN104617381B (en) | 2015-01-16 | 2015-01-16 | Three-dimensional seven frequency range antenna for mobile phone |
Country Status (1)
| Country | Link |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106329065B (en) * | 2016-10-12 | 2024-03-15 | 南京信息工程大学 | Novel multi-frequency MIMO mobile phone antenna |
| CN108134190B (en) * | 2017-12-04 | 2020-04-10 | 中国计量大学 | Multi-band smart phone antenna based on magnetic thin film material |
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| EP1753079A1 (en) * | 2004-05-12 | 2007-02-14 | Yokowo Co., Ltd | Multi-band antenna, circuit substrate and communication device |
| CN103956562A (en) * | 2014-04-29 | 2014-07-30 | 中国计量学院 | Mini-type multi-band frequency mobile phone antenna |
| CN204375943U (en) * | 2015-01-16 | 2015-06-03 | 中国计量学院 | Three-dimensional seven frequency range antenna for mobile phone |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101436708B (en) * | 2007-11-14 | 2012-10-17 | 深圳富泰宏精密工业有限公司 | Multi-frequency antenna |
| TW201011986A (en) * | 2008-09-05 | 2010-03-16 | Advanced Connectek Inc | Dual-band antenna |
| CN103985956B (en) * | 2014-04-29 | 2016-04-13 | 中国计量学院 | A kind of ring T-shaped multiband antenna for mobile phone |
-
2015
- 2015-01-16 CN CN201510021001.9A patent/CN104617381B/en not_active Expired - Fee Related
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1753079A1 (en) * | 2004-05-12 | 2007-02-14 | Yokowo Co., Ltd | Multi-band antenna, circuit substrate and communication device |
| CN103956562A (en) * | 2014-04-29 | 2014-07-30 | 中国计量学院 | Mini-type multi-band frequency mobile phone antenna |
| CN204375943U (en) * | 2015-01-16 | 2015-06-03 | 中国计量学院 | Three-dimensional seven frequency range antenna for mobile phone |
Non-Patent Citations (2)
| Title |
|---|
| Coupled-fed planar printed shorted monopole antenna for LTE/WWAN mobile handset applications;D.-G. Kang;《IET Microwaves, Antennas & Propagation》;20121231;第1007-1016页 * |
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| CN104617381A (en) | 2015-05-13 |
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