CN107204513A - Mobile device - Google Patents
Mobile device Download PDFInfo
- Publication number
- CN107204513A CN107204513A CN201610157130.5A CN201610157130A CN107204513A CN 107204513 A CN107204513 A CN 107204513A CN 201610157130 A CN201610157130 A CN 201610157130A CN 107204513 A CN107204513 A CN 107204513A
- Authority
- CN
- China
- Prior art keywords
- irradiation unit
- feed
- mobile device
- connecting portion
- short
- 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.)
- Pending
Links
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
-
- 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
- H01Q1/50—Structural association of antennas with earthing switches, lead-in devices or lightning protectors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
- H01Q5/10—Resonant antennas
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
- H01Q5/20—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements characterised by the operating wavebands
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
- H01Q5/30—Arrangements for providing operation on different wavebands
- H01Q5/378—Combination of fed elements with parasitic elements
Abstract
A kind of mobile device, including：One earth element and an antenna structure.The antenna structure includes：One feed-in connecting portion, one first irradiation unit, one second irradiation unit, a short, and a parasitic radiation portion.The feed-in connecting portion is coupled to a signal source.First irradiation unit is coupled to the feed-in connecting portion.First irradiation unit has an open end.Second irradiation unit is coupled to the feed-in connecting portion.Second irradiation unit has an open end.The feed-in connecting portion is to be coupled to the earth element via the short.The parasitic radiation portion is to be adjacent to second irradiation unit.
Description
Technical field
The present invention relates to a kind of mobile device, more particularly to include low profile (Low-profile) antenna
The mobile device of structure.
Background technology
With the prosperity of mobile communication technology, mobile device is more prevalent in recent years, it is common for example：
Hand-held computer, mobile phone, the portable electronics dress of multimedia player and other mixed functions
Put.In order to meet the demand of people, mobile device generally has the function of radio communication.Some are covered
The range for wireless communication of long range, for example：Mobile phone uses 2G, 3G, LTE (Long Term
Evolution) system and its used 700MHz, 850MHz, 900MHz, 1800MHz,
1900MHz, 2100MHz, 2300MHz and 2500MHz frequency band are communicated, and some
Then cover short-range range for wireless communication, for example：Wi-Fi, Bluetooth system are used
2.4GHz, 5.2GHz and 5.8GHz frequency band are communicated.
Common Wi-Fi system antennas at present, its total height be typically between 8mm to 10mm it
Between.However, because the space inside mobile device is often extremely narrow limited, therefore how to design one
Kind of low profile (Low-profile), the antenna structure of small size, it has also become the one of antenna designers now
Big challenge.
The content of the invention
In the preferred embodiment, the present invention provides a kind of mobile device, including：One earth element；With
And an antenna structure, including：One feed-in connecting portion, with a first end and one second end, wherein should
The first end of feed-in connecting portion is coupled to a signal source；One first irradiation unit, with a first end
With one second end, the first end of wherein first irradiation unit be coupled to the feed-in connecting portion this
Two ends, and second end of first irradiation unit is an open end；One second irradiation unit, with one
One end and one second end, first end of wherein second irradiation unit are coupled to the feed-in connecting portion
Second end, and second end of second irradiation unit is an open end；One short, with one
One end and one second end, the first end of the wherein short be coupled to the feed-in connecting portion this
One end, and second end of the short is coupled to the earth element；And a parasitic radiation portion,
It is adjacent to second end of second irradiation unit.
In certain embodiments, the parasitic radiation portion be a floating, and with the earth element, should
Feed-in connecting portion, first irradiation unit, second irradiation unit, and the short are all separated.
In certain embodiments, the parasitic radiation portion is bent with an at least right angle.
In certain embodiments, the parasitic radiation portion is in a L-shaped or a N fonts.
In certain embodiments, the first end of the feed-in connecting portion is a load point, the short
Second end is an earth point, and the spacing of the load point and the earth point is between 2mm to 5mm
Between.
In certain embodiments, the feed-in connecting portion, first irradiation unit, and second irradiation unit
It is in each a vertical bar shaped, and the short is in a L-shaped.
In certain embodiments, the feed-in connecting portion and first irradiation unit are to be collectively forming one first to be total to
Shake path, first resonance path be excite generation one first band, and the first band be between
2400MHz is between 2500MHz.
In certain embodiments, the feed-in connecting portion, second irradiation unit, and the parasitic radiation portion
It is to be collectively forming one second resonance path, second resonance path is to excite one second band of generation, and
The second band is between 5850MHz between 5150MHz.
In certain embodiments, the mobile device also includes：One metal back cover, with a non-conductor day
Line window, wherein the non-conductor antenna windows are at least to cover first irradiation unit, second irradiation unit, with
And the upright projection in the parasitic radiation portion.
In certain embodiments, the total height of the non-conductor antenna windows be between 2.5mm to 3mm it
Between, and the total height of the antenna structure is between 5mm between 3mm.
Brief description of the drawings
Fig. 1 is the schematic diagram for showing the mobile device according to one embodiment of the invention；
Fig. 2 is the schematic diagram for showing the mobile device according to one embodiment of the invention；
Fig. 3 is the schematic diagram for showing the mobile device according to one embodiment of the invention；
Fig. 4 is the schematic diagram for showing the mobile device according to one embodiment of the invention；
Fig. 5 is that the voltage for the antenna structure for showing the mobile device according to one embodiment of the invention is stayed
Bob figure；And
Fig. 6 is the antenna effect for the antenna structure for showing the mobile device according to one embodiment of the invention
Rate figure.
Description of reference numerals：
100th, 200,300,400~mobile device；
110~earth element；
120th, 220,320~antenna structure；
130~feed-in connecting portion；
The first end of 131~feed-in connecting portion；
Second end of 132~feed-in connecting portion；
140~the first irradiation units；
The first end of 141~the first irradiation units；
Second end of 142~the first irradiation units；
150~the second irradiation units；
The first end of 151~the second irradiation units；
Second end of 152~the second irradiation units；
160~short；
The first end of 161~short；
Second end of 162~short；
170th, 270,370~parasitic radiation portion；
190~signal source；
480~metal back cover；
490~non-conductor antenna windows；
D1~spacing；
FP~load point；
The coupling gap of GC1~first；
The coupling gap of GC2~second；
GP~earth point；
H1, H2~height.
Embodiment
For objects, features and advantages of the present invention can be become apparent, it is cited below particularly go out the present invention
Specific embodiment, and coordinate Figure of description, it is described in detail below.
Fig. 1 is the schematic diagram for showing the mobile device 100 according to one embodiment of the invention.It is mobile
Device 100 can be a smart mobile phone (Smart Phone), a tablet personal computer (Tablet Computer),
Or a notebook computer (Notebook Computer).As shown in figure 1, mobile device 100 is at least wrapped
Include an earth element 110 and an antenna structure 120.Earth element 110 can be a grounding metal plane,
For example：One ground connection copper foil.Antenna structure 120 can be made of conductor material, for example：Copper, silver,
Aluminium, iron, or its alloy.Antenna structure 120 can be arranged at a medium substrate (Dielectric
Substrate on), for example：One FR4 (Flame Retardant 4) substrate.Although it is to be understood that
It is not depicted in Fig. 1, mobile device 100 more may include other elements, for example：One processor, one
Loudspeaker, a contact panel, a battery, and a shell.
Antenna structure 120 includes a feed-in connecting portion 130, one first irradiation unit 140, one second and radiated
Portion 150, a short 160, and a parasitic radiation portion 170.Feed-in connecting portion 130 can be in one
Vertical bar shaped.Feed-in connecting portion 130 has a first end 131 and one second end 132, and wherein feed-in is connected
The first end 131 in portion 130 is a load point FP and is coupled to a signal source 190.Signal source 190 can
To be a radio frequency (Radio Frequency, RF) module, it is used for excitation antenna structure 120.First spoke
It can be in a vertical bar shaped to penetrate portion 140, and orthogonal with feed-in connecting portion 130.First irradiation unit 140
With a first end 141 and one second end 142, wherein the first end 141 of the first irradiation unit 140 is coupling
The second end 132 of feed-in connecting portion 130 is connected to, and the second end 142 of the first irradiation unit 140 is opened for one
Terminal.Second irradiation unit 150 can be in a vertical bar shaped, and orthogonal with feed-in connecting portion 130.
Second irradiation unit 150 has a first end 151 and one second end 152, wherein the second irradiation unit 150
First end 151 is coupled to the second end 132 of feed-in connecting portion 130, and the of the second irradiation unit 150
Two ends 152 are an open end.The length of first irradiation unit 140 is compared with the length of the second irradiation unit 150
It is longer.For example, the length of the first irradiation unit 140 can be the 2 to 3 of the length of the second irradiation unit 150
Times.Second end 142 of the first irradiation unit 140 is towards mutual with the second end 152 of the second irradiation unit 150
Mutually remote direction extension.Short 160 can be in a L-shaped.Short 160 has one first
The end 162 of end 161 and one second, the first end 161 of wherein short 160 is coupled to feed-in connecting portion
130 first end 131, and to be an earth point GP and being coupled to connect at the second end 162 of short 160
Ground element 110.The load point FP and earth point GP of antenna structure 120 are adjacent to each other.Citing and
Speech, load point FP and earth point GP a space D 1 can be between 2mm between 5mm.According to
Actual measurement, the scope of foregoing space D 1 helps to reduce the whole height of antenna structure 120.
Parasitic radiation portion 170 can be bent with an at least right angle.For example：Parasitic radiation portion 170 can be in
One N fonts.Parasitic radiation portion 170 is the second end 152 for being adjacent to the second irradiation unit 150.It is parasitic
Irradiation unit 170 is a floating (Float), and with earth element 110, feed-in connecting portion 130, the
One irradiation unit 140, the second irradiation unit 150, and short 160 are all separated.Parasitic radiation portion 170
One first coupling gap GC1 is formed between the second end 152 of the second irradiation unit 150, wherein first
Coupling gap GC1 width can be between 0.75mm between 1.25mm.Parasitic radiation portion 170 with
One second coupling gap GC2 is formed between one center section of the second irradiation unit 150, wherein the second coupling
The width for closing clearance G C2 can be between 0.5mm between 1mm.According to actual measurement, with
In upper first coupling gap GC1, the second coupling gap GC2 width range, it, which can effectively strengthen, posts
Coupling interaction effect (Mutual Coupling) between the raw irradiation unit 150 of irradiation unit 170 and second.
In certain embodiments, the operating principle of antenna structure 120 is as what follows.Feed-in connecting portion
130 and first irradiation unit 140 be to be collectively forming one first resonance path, wherein the first resonance path is sharp
Hair produces a first band, and first band is between 2500MHz between 2400MHz.Feed-in
The total length of the irradiation unit 140 of connecting portion 130 and first may approximately equal to 0.25 times of wavelength of first band.
On the other hand, feed-in connecting portion 130, the second irradiation unit 150, and parasitic radiation portion 170 is common
One second resonance path is formed, wherein the second resonance path is to excite one second band of generation, and second
Frequency band is between 5850MHz between 5150MHz.Parasitic radiation portion 170 is by the second irradiation unit
150 couple and excite.The total length of the irradiation unit 150 of feed-in connecting portion 130 and second may approximately equal to second
0.25 times of wavelength of frequency band.Therefore, antenna structure 120 can support WLAN (Wireless Local Area
Network) 2.4GHz/5GHz dual frequency operation.
Fig. 2 is the schematic diagram for showing the mobile device 200 according to one embodiment of the invention.Fig. 2
It is similar with Fig. 1.In the embodiment of fig. 2, the one of an antenna structure 220 of mobile device 200 posts
It is in a L-shaped that raw irradiation unit 270, which is,.Parasitic radiation portion 270 is adjacent to the second irradiation unit 150
Second end 152.Parasitic radiation portion 270 is a floating, and is connected with earth element 110, feed-in
Portion 130, the first irradiation unit 140, the second irradiation unit 150, and short 160 are all separated.It is parasitic
One first coupling gap GC1 is formed between second end 152 of the irradiation unit 150 of irradiation unit 270 and second,
Wherein the first coupling gap GC1 width can be between 0.75mm between 1.25mm.Fig. 2 shifting
Remaining feature of dynamic device 200 is similar all with Fig. 1 mobile device 100, so two embodiments
Realize similar operating effect.
Fig. 3 is the schematic diagram for showing the mobile device 300 according to one embodiment of the invention.Fig. 3
It is similar with Fig. 1.In the fig. 3 embodiment, the one of an antenna structure 320 of mobile device 300 posts
It is in a L-shaped that raw irradiation unit 370, which is,.Parasitic radiation portion 370 is adjacent to the second irradiation unit 150
One center section.Parasitic radiation portion 370 is a floating, and is connected with earth element 110, feed-in
Portion 130, the first irradiation unit 140, the second irradiation unit 150, and short 160 are all separated.It is parasitic
One second coupling gap GC2 is formed between the center section of the irradiation unit 150 of irradiation unit 370 and second,
Wherein the second coupling gap GC2 width can be between 0.5mm between 1mm.Fig. 3 mobile dress
Remaining feature for putting 300 is similar all with Fig. 1 mobile device 100, so two embodiments can be achieved
Similar operating effect.
Fig. 4 is the schematic diagram for showing the mobile device 400 according to one embodiment of the invention.Fig. 4
It is similar with Fig. 1.In the fig. 4 embodiment, mobile device 400 also includes a metal back cover 480.Gold
It is to be adjacent to antenna structure 120 to belong to back-cover 480, and can be located at the front or behind of antenna structure 120.
It is to open up a non-conductor antenna windows 490 in metal back cover 480, wherein non-conductor antenna windows 490 are alignment
In antenna structure 120 so that the emittance of antenna structure 120 can be entered via non-conductor antenna windows 490
Row transmission.There are non-conductor antenna windows 490, the radiation pattern of antenna structure 120 will be difficult by neighbouring
The negative effect of metal back cover 480.Specifically, antenna structure 120 is in tool in metal back cover 480
There is upright projection, wherein non-conductor antenna windows 490 are at least to be fully contemplated by the first irradiation unit 140, second
Irradiation unit 150, and parasitic radiation portion 170 upright projection.According to actual measurement, if not lead
The overall height H 1 of body antenna window 490 between 2.5mm between 3mm and antenna structure 120 total height
H2 is spent between 3mm between 5mm, then antenna structure 120 is enough to produce in required frequency band good
Good radiation efficiency.Mobile device 100 of remaining feature of Fig. 4 mobile device 400 all with Fig. 1
It is similar, so similar operating effect can be achieved in two embodiments.
Fig. 5 is the antenna structure 120 for showing the mobile device 400 according to one embodiment of the invention
Voltage standing wave ratio (Voltage Standing Wave Ratio, VSWR) figure, wherein transverse axis represent operation
Frequency (MHz), and the longitudinal axis represents voltage standing wave ratio.It can be seen from Fig. 5 measurement, work as antenna
When structure 120 is excited, its emittance is transmitted via non-conductor antenna windows 490, and this
When antenna structure 120 can at least cover the first band between 2400MHz to 2500MHz, and
Between 5150MHz to the second band between 5850MHz.
Fig. 6 is the antenna structure 120 for showing the mobile device 400 according to one embodiment of the invention
Antenna efficiency (Antenna Efficiency) figure, wherein transverse axis represents operating frequency (MHz), and the longitudinal axis
Representative antennas efficiency (dB).It can be seen from Fig. 6 measurement, when antenna structure 120 is excited,
It can all be more than -5dB in the antenna efficiency in first band and second band, and this meets mobile communication
Practical application request.
The present invention proposes the antenna structure of a kind of novel mobile device and its low profile, wherein day knot
The whole height of structure is only between 3mm between 5mm.Compared with traditional design, the present invention can micro
The size of antenna structure is up to more than 50%, therefore it is well suited for the mobile communication applied to various miniaturizations
Among device.
It is worth noting that, above-described component size, component shape, and frequency range are all non-
For the restrictive condition of the present invention.Antenna designers can need to adjust these setting values according to different.This
The mobile device and antenna structure of invention are not limited in the state illustrated in Fig. 1-6.The present invention can be with
Only include one or more any features of Fig. 1-6 one or more any embodiments.In other words, not
The feature of all diagrams must be implemented among the mobile device of the present invention and antenna structure simultaneously.
Ordinal number in this specification and claim, such as " first ", " second ", "
Three " etc., do not have precedence relationship sequentially each other, it is only used for sign and distinguishes two tools
There are the different elements of same name.
Though the present invention is disclosed as above with preferred embodiment, so it is not limited to the scope of the present invention,
Any those skilled in the art, without departing from the spirit and scope of the present invention, when a little change can be done
Move with retouching, therefore protection scope of the present invention ought be defined depending on the appended claims person of defining.
Claims (10)
1. a kind of mobile device, it is characterised in that including：
One earth element；And
One antenna structure, including：
One feed-in connecting portion, with a first end and one second end, the wherein feed-in connecting portion
The first end is coupled to a signal source；
One first irradiation unit, with a first end and one second end, wherein first irradiation unit
The first end is coupled to second end of the feed-in connecting portion, and first irradiation unit this
Two ends are an open end；
One second irradiation unit, with a first end and one second end, wherein second irradiation unit
The first end is coupled to second end of the feed-in connecting portion, and second irradiation unit this
Two ends are an open end；
One short, the first end with a first end and one second end, the wherein short
The first end of the feed-in connecting portion is coupled to, and second end of the short is coupled to
The earth element；And
One parasitic radiation portion, is adjacent to second end of second irradiation unit.
2. mobile device as claimed in claim 1, wherein the parasitic radiation portion are a floating,
And with the earth element, the feed-in connecting portion, first irradiation unit, second irradiation unit, and should
Short is all separated.
3. mobile device as claimed in claim 1, wherein the parasitic radiation portion have an at least right angle
Bending.
4. mobile device as claimed in claim 1, wherein the parasitic radiation portion are in a L-shaped or one
N fonts.
5. the first end of mobile device as claimed in claim 1, wherein the feed-in connecting portion is one
Load point, second end of the short is an earth point, and the spacing of the load point and the earth point
It is between 5mm between 2mm.
6. mobile device as claimed in claim 1, wherein the feed-in connecting portion, first irradiation unit,
And second irradiation unit is in each a vertical bar shaped, and the short is in a L-shaped.
7. mobile device as claimed in claim 1, wherein the feed-in connecting portion and first irradiation unit
It is to be collectively forming one first resonance path, first resonance path is to excite one first band of generation, and
The first band is between 2500MHz between 2400MHz.
8. mobile device as claimed in claim 1, wherein the feed-in connecting portion, second irradiation unit,
And the parasitic radiation portion is to be collectively forming one second resonance path, second resonance path is to excite production
A raw second band, and the second band is between 5850MHz between 5150MHz.
9. mobile device as claimed in claim 1, in addition to：
One metal back cover, with a non-conductor antenna windows, wherein the non-conductor antenna windows are at least to cover
First irradiation unit, second irradiation unit, and the parasitic radiation portion upright projection.
10. mobile device as claimed in claim 9, the total height of the wherein non-conductor antenna windows is to be situated between
In 2.5mm between 3mm, and the total height of the antenna structure is between 5mm between 3mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610157130.5A CN107204513A (en) | 2016-03-18 | 2016-03-18 | Mobile device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610157130.5A CN107204513A (en) | 2016-03-18 | 2016-03-18 | Mobile device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107204513A true CN107204513A (en) | 2017-09-26 |
Family
ID=59904278
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610157130.5A Pending CN107204513A (en) | 2016-03-18 | 2016-03-18 | Mobile device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107204513A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109560386A (en) * | 2017-09-27 | 2019-04-02 | 深圳富泰宏精密工业有限公司 | Antenna structure and wireless communication device with the antenna structure |
| CN109728439A (en) * | 2017-10-27 | 2019-05-07 | 广达电脑股份有限公司 | Mobile device |
| CN110571507A (en) * | 2018-06-05 | 2019-12-13 | 宏碁股份有限公司 | mobile device and antenna structure thereof |
| CN110875514A (en) * | 2018-09-03 | 2020-03-10 | 启碁科技股份有限公司 | Mobile device |
| CN111326858A (en) * | 2018-12-17 | 2020-06-23 | 启碁科技股份有限公司 | Antenna structure |
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| CN103384028A (en) * | 2012-05-02 | 2013-11-06 | 宏碁股份有限公司 | Moving device |
| CN103730718A (en) * | 2012-10-12 | 2014-04-16 | 宏碁股份有限公司 | Movable device |
| CN103887591A (en) * | 2012-12-21 | 2014-06-25 | 宏碁股份有限公司 | Mobile device and control method thereof |
| CN104037501A (en) * | 2013-03-07 | 2014-09-10 | 宏达国际电子股份有限公司 | Mobile device |
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| CN202548975U (en) * | 2012-04-20 | 2012-11-21 | 环达电脑(上海)有限公司 | Wireless POS (Point Of Sale) machine |
| CN103384028A (en) * | 2012-05-02 | 2013-11-06 | 宏碁股份有限公司 | Moving device |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109560386A (en) * | 2017-09-27 | 2019-04-02 | 深圳富泰宏精密工业有限公司 | Antenna structure and wireless communication device with the antenna structure |
| CN109728439A (en) * | 2017-10-27 | 2019-05-07 | 广达电脑股份有限公司 | Mobile device |
| CN109728439B (en) * | 2017-10-27 | 2021-03-05 | 广达电脑股份有限公司 | Mobile device |
| CN110571507A (en) * | 2018-06-05 | 2019-12-13 | 宏碁股份有限公司 | mobile device and antenna structure thereof |
| CN110875514A (en) * | 2018-09-03 | 2020-03-10 | 启碁科技股份有限公司 | Mobile device |
| CN111326858A (en) * | 2018-12-17 | 2020-06-23 | 启碁科技股份有限公司 | Antenna structure |
| CN111326858B (en) * | 2018-12-17 | 2021-09-03 | 启碁科技股份有限公司 | Antenna structure |
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Application publication date: 20170926 |
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