CN104103912B - Antenna module - Google Patents
Antenna module Download PDFInfo
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- CN104103912B CN104103912B CN201310123649.8A CN201310123649A CN104103912B CN 104103912 B CN104103912 B CN 104103912B CN 201310123649 A CN201310123649 A CN 201310123649A CN 104103912 B CN104103912 B CN 104103912B
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- bending segment
- unit
- antenna
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- irradiation unit
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Abstract
The present invention provides a kind of antenna module, including feed-in unit, ground unit, first antenna and the second antenna, the feed-in unit is electrically connected at the first antenna, the first gap is equipped between the feed-in unit and ground unit, the second gap is equipped between the first antenna and the second antenna, the first antenna and the second antenna produce low-frequency resonance mode；The antenna module further includes metallic object, which is used to provide current earthing path for antenna module；The ground unit is collectively forming co-planar waveguide feed-in structure parallel to the feed-in unit with feed-in unit.Above-mentioned antenna module is small, and can receive multi-band signal.
Description
Technical field
The present invention relates to a kind of antenna module, more particularly to a kind of antenna module for receiving multi-band signal.
Background technology
In radio communication devices such as mobile phone, personal digital assistants (personal digital assistant, PDA)
In, antenna is as most important in radio communication device by the component of radio wave radio signals, to be undoubtedly
One of component.
With the increase of screen size, the diminution in antenna headroom area is imperative, how to utilize narrow and small antenna headroom area
Design multifrequency antenna faces the challenge of many, is an important topic that is important and being badly in need of solution.
The content of the invention
In view of this, it is necessary to provide and a kind of receive multi-band signal and small antenna module.
A kind of antenna module, including feed-in unit, ground unit, first antenna and the second antenna, the feed-in unit are electrical
The first antenna is connected to, is equipped with the first gap between the feed-in unit and ground unit, the first antenna and second day
The second gap is equipped between line, the first antenna and the second antenna produce low-frequency resonance mode；The antenna module further includes gold
Belong to body, which is used to provide current earthing path for antenna module；The ground unit is parallel to the feed-in unit, with feedback
Enter unit and be collectively forming co-planar waveguide feed-in structure.
The antenna module is small, by the resonance of the first radiating element and the second radiating element, can receive multiple frequencies
The signal of section.
Brief description of the drawings
Fig. 1 is the exploded view of the antenna module of better embodiment of the present invention；
Fig. 2 is the three-dimensional assembly diagram of the antenna module shown in Fig. 1；
Fig. 3 is the three-dimensional assembly diagram of the antenna module other direction shown in Fig. 1；
Fig. 4 is the return loss schematic diagram of the antenna module shown in Fig. 1.
Main element symbol description
Following embodiment will combine above-mentioned attached drawing and further illustrate the present invention.
Embodiment
Please refer to Fig.1 and Fig. 2, the better embodiment of the present invention provide a kind of antenna module 100, it is applied to mobile electricity
In the radio communication devices such as words.
The antenna module 100 include carrier 10, feed-in unit 20, ground unit 30, first antenna 40, the second antenna 50 and
Metallic object 60.
The carrier 10 can be a printed circuit board (PCB) (Printed Circuit Board, PCB), set a clearance zone thereon
12.In the present embodiment, which is formed at one end of carrier 10.The clearance zone 12 refers on carrier 10 without existing for conductor
Region, to prevent electronic building brick such as battery, vibrator, loudspeaker, charge coupling device in external environment（Charge Coupled
Device, CCD）Disturbed Deng being produced to antenna module 100, cause its operating frequency offset or radiation efficiency to be lower.The carrier 10
It is upper that a signal feed-in point in the clearance zone 12 is set（It is not shown）, for 100 feed-in electric current of antenna module.
The feed-in unit 20 is with setting signal feed-in point to be over the carrier 10 electrically connected, with for the antenna module 100
Play signal feed-in.
Also referring to Fig. 3, the quantity of the ground unit 30 is two, is symmetrically disposed on the both sides of the feed-in unit 20,
And be parallel to each other, and two ground units 30 and feed-in unit 20 are coplanar, so as to form co-planar waveguide（Coplanar-
Waveguide, CPW）Feed-in structure, to improve the bandwidth of the antenna module 100.Each ground unit 30 and the feed-in unit
One first gap 21 is formed between 20.
The first antenna 40 includes the first irradiation unit 41, the second irradiation unit 42 and the 3rd irradiation unit 43.The feed-in list
Member 20 is vertical or is approximately perpendicular to 43 place plane of first irradiation unit 41, the second irradiation unit 42 and the 3rd irradiation unit.
First irradiation unit 41 is strip sheet body, its middle part connection feed-in unit 20.Second irradiation unit 42 is parallel to this
First irradiation unit 41, and the length of the second irradiation unit 42 is more than the first irradiation unit 41.3rd irradiation unit 43 is substantially in U-typed knot
Structure, quantity is two, for the second irradiation unit 42 to be connected to the first irradiation unit 41.Each 3rd irradiation unit 43 is included successively
The first linkage section 431, the second linkage section 432 and the 3rd linkage section 433 of connection.First linkage section of every one the 3rd irradiation unit 43
431 vertical or substantially vertical one end for being connected to first irradiation unit 41.Second linkage section 432 is vertical or is approximately perpendicular to this
First linkage section 431, and second linkage section 432 is parallel to the first irradiation unit 41.3rd linkage section, 433 one end is connected to
Two linkage sections 432, the other end are connected to the second irradiation unit 42.3rd linkage section 433 parallel to first linkage section 431, and
The length of 3rd linkage section 433 is more than the first linkage section 431.
Second antenna 50 includes the first radiating element 51 and the second radiating element 52.First radiating element 51 is strip
Sheet, the length of the first radiating element 51 is 62 millimeters, its both ends is connected to one second radiating element 52.Second radiation
Unit 52 include sequentially connected first bending segment 521, the second bending segment 522, the 3rd bending segment 523, the 4th bending segment 524,
5th bending segment 525, the 6th bending segment 526, the 7th bending segment 527 and the 8th bending segment 528.In the present embodiment, this first
51 length of radiating element is about 62 millimeters.
First bending segment 521 is arranged on the clearance zone 12, and its one end is connected to the end of a ground unit 30, another
End extends along the direction of the vertical or substantially vertical ground unit 30, is finally connected with second bending segment 522.Second bending
Section 522 is towards vertical or be approximately perpendicular to the direction extension of first radiant section 341.The ground unit 30, the first bending segment 521 with
And second bending segment 522 be generally aligned in the same plane.3rd bending segment, 523 one end is connected to one end of second bending segment 522,
And along vertical or be approximately perpendicular to the direction of second bending segment 522 and extend.3rd bending segment 523 is vertical or is approximately perpendicular to
Plane where second bending segment 522.4th bending segment, 524 one end is connected to the end of the 3rd bending segment 523, another
End extends along parallel or substantially parallel and close to the feed-in unit 20 direction.5th bending segment, 525 one end be connected to this
Four bending segments 524, and extend along parallel or substantially parallel in the direction of the 3rd bending segment 523, until connection the 6th is curved
Trisection 526.The length of 5th bending segment 525 is more than the 3rd bending segment 523.6th bending segment 526 is parallel or substantially flat
Row is in the 4th bending segment 524.7th bending segment, 527 one end is connected to the 6th bending segment 526, the other end along parallel or
Almost parallel and away from the 3rd bending segment 523 direction extends.7th bending segment 527 is with the 3rd bending segment 523 one
On bar straight line, and the 3rd bending segment 523, the 4th bending segment 524, the 5th bending segment 525, the 6th bending segment 526 and the 7th are curved
Trisection 527 is generally aligned in the same plane.8th bending segment, 528 one end it is vertical or it is substantially vertical be connected to the 7th bending segment 527, and
8th bending segment 528 is parallel to second bending segment 522.In the present embodiment, the length of the 8th bending segment 528 is about
3.5 millimeters, the distance of the 8th bending segment 528 to the 4th bending segment 524 is about 9.4 millimeters.
The metallic object 60 is arranged on the carrier 10 another surface opposite with feed-in unit 20, and is located at the clearance zone 12
It is interior.In the present embodiment, which is Universal Serial Bus（Universal Serial BUS,USB）Connector shell.
The metallic object 60 is used to provide current earthing path for antenna module 100, so that the antenna module 100 obtains more preferable impedance
Match somebody with somebody.Specifically, which is electrically connected at the ground unit 30 of the antenna module 100.
Also referring to Fig. 3, the first radiating element of the second irradiation unit 42 and second antenna 50 of the first antenna 40
One second gap 23 is formed between 51.By adjusting the width in 21 and second gap 23 of the first gap, first antenna 40 with
Second antenna 50 produces resonance, so as to inspire a low-frequency resonance mode.
When the electric current formed between feed-in unit 20, ground unit 30, first antenna 40, the second antenna 50 and metallic object 60
Circuit have electric current by when, due to the presence in the first gap 21 and the second gap 23, on 40 and second antenna 50 of first antenna
Current coupling, and then 40 and second antenna 50 of first antenna is produced low-frequency resonance mode, the matching of increase low-frequency impedance and frequency
Width, thus the antenna module 100 can the relatively low frequency band signals of receives frequency, such as GSM frequency band signals.The first antenna 40 inspires
High-frequency resonance mode, while the loop configuration of second antenna 50, add high-frequency resistance matching and bandwidth, so that the antenna
Component 100 can the higher frequency band signals of receives frequency, such as WCDMA frequency band signals.Referring to Fig. 4, it show present embodiment day
The return loss of line component 100（Return Loss, RL）Simulation result schematic diagram.As seen from the figure, the antenna module 100
It can meet Antenna Design requirement under GSM and WCDMA working frequency range.
Preferably, an inductance is electrically connected between the ground unit 30 and the clearance zone 12, by setting the inductance
Value adjusts low frequency operation frequency range.
The antenna module 100 of the present invention on the clearance zone 12 of carrier 10 by setting 40 and second antenna of first antenna
50, and it is interval with the first gap 21 and the second gap 23 in 40 and second antenna 50 of first antenna so that first antenna
40 and second antenna 50 produce resonance, to increase antenna bandwidth, improve the transmitting-receiving efficiency of wireless signal.Since the metallic object 60 is
USB interface, for providing current earthing path for antenna module 100, so that the antenna module 100 obtains more preferable impedance
Match somebody with somebody, without taking 10 additional space of radio communication device or carrier.The antenna module 100 is simple in structure, and can receive multifrequency
Segment signal.
Claims (9)
1. a kind of antenna module, including feed-in unit, ground unit, first antenna and the second antenna, it is characterised in that：The feed-in
Unit is electrically connected at the first antenna, and the first gap, the first antenna are equipped between the feed-in unit and ground unit
And second be equipped with the second gap between antenna, the first antenna and the second antenna produce low-frequency resonance mode；The antenna module
Metallic object is further included, which is used to provide current earthing path for antenna module；The ground unit is parallel to the feed-in
Unit, co-planar waveguide feed-in structure is collectively forming with feed-in unit, the first antenna include the first irradiation unit, the second irradiation unit with
And the 3rd irradiation unit, which is strip sheet body, its middle part connection feed-in unit, second irradiation unit parallel to this
One irradiation unit, and the length of the second irradiation unit is more than the first irradiation unit, the 3rd irradiation unit is substantially in U-typed structure, and quantity is
Two, every one the 3rd irradiation unit is extended by the both ends of the first irradiation unit respectively, for the second irradiation unit to be connected to the first radiation
Portion.
2. antenna module as claimed in claim 1, it is characterised in that：The metallic object is universal serial bus connector housing.
3. antenna module as claimed in claim 2, it is characterised in that：The antenna module further includes carrier, is set on the carrier
Clearance zone, the metallic object are arranged on the carrier another surface opposite with feed-in unit, and in the clearance zone.
4. antenna module as claimed in claim 3, it is characterised in that：One is set to be electrically connected to the feed-in on the clearance zone
The signal feed-in point of unit, for antenna feed-in electric current.
5. antenna module as claimed in claim 3, it is characterised in that：First irradiation unit, the second irradiation unit and the 3rd spoke
The portion of penetrating is generally aligned in the same plane, and the feed-in unit is where first irradiation unit, the second irradiation unit and the 3rd irradiation unit
Plane.
6. antenna module as claimed in claim 5, it is characterised in that：Each 3rd irradiation unit includes sequentially connected first
Linkage section, the second linkage section and the 3rd linkage section, the first linkage section of every one the 3rd irradiation unit are vertically connected at first radiation
The one end in portion, second linkage section is perpendicular to first linkage section, and second linkage section is parallel to the first irradiation unit, and the 3rd
Linkage section one end is connected to the second linkage section, and the other end is connected to the second irradiation unit, and the 3rd linkage section is parallel to first company
Section is connect, and the length of the 3rd linkage section is more than the first linkage section.
7. antenna module as claimed in claim 6, it is characterised in that：Second antenna includes the first radiating element and the second spoke
Unit is penetrated, which is strip sheet, which is connected to one second radiating element.
8. antenna module as claimed in claim 7, it is characterised in that：It is curved that second radiating element includes sequentially connected first
Trisection, the second bending segment, the 3rd bending segment, the 4th bending segment, the 5th bending segment, the 6th bending segment, the 7th bending segment and the 8th
Bending segment, first bending segment are arranged on the clearance zone, and its one end is connected to the end of a ground unit, and the other end is along vertically
The direction extension of the ground unit, is finally connected, second bending segment is towards perpendicular to first radiant section with second bending segment
Direction extension, the ground unit, the first bending segment and the second bending segment be generally aligned in the same plane, and the 3rd bending segment one end connects
Be connected to one end of second bending segment, and extend along perpendicular to the direction of second bending segment, the 3rd bending segment perpendicular to
Plane where second bending segment, the 4th bending segment one end are connected to the end of the 3rd bending segment, and the other end is along parallel
And extend close to the direction of the feed-in unit, the 5th bending segment one end is connected to the 4th bending segment, and along parallel in this
The direction extension of 3rd bending segment, until the 6th bending segment of connection, the length of the 5th bending segment are more than the 3rd bending segment,
For 6th bending segment parallel to the 4th bending segment, the 7th bending segment one end is connected to the 6th bending segment, and other end edge is flat
Row and direction away from the 3rd bending segment extends, the 7th bending segment and the 3rd bending segment point-blank, and the 3rd
Bending segment, the 4th bending segment, the 5th bending segment, the 6th bending segment and the 7th bending segment are generally aligned in the same plane, the 8th bending
Duan Yiduan is vertically connected at the 7th bending segment, and the 8th bending segment is parallel to second bending segment.
9. antenna module as claimed in claim 1, it is characterised in that：The first antenna inspires a high-frequency resonance mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310123649.8A CN104103912B (en) | 2013-04-11 | 2013-04-11 | Antenna module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310123649.8A CN104103912B (en) | 2013-04-11 | 2013-04-11 | Antenna module |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104103912A CN104103912A (en) | 2014-10-15 |
| CN104103912B true CN104103912B (en) | 2018-04-24 |
Family
ID=51671850
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310123649.8A Expired - Fee Related CN104103912B (en) | 2013-04-11 | 2013-04-11 | Antenna module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104103912B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106159447B (en) * | 2015-04-14 | 2019-06-25 | 启碁科技股份有限公司 | Smart antenna module and omnidirectional antenna |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWM339094U (en) * | 2008-02-29 | 2008-08-21 | Cheng Uei Prec Ind Co Ltd | Antenna |
| CN101617439A (en) * | 2007-02-19 | 2009-12-30 | 莱尔德技术股份有限公司 | Asymmetric dipole antenna |
| TW201027843A (en) * | 2009-01-09 | 2010-07-16 | Chi Mei Comm Systems Inc | Dual band antenna and wireless communication device using the same |
| CN102780071A (en) * | 2011-05-10 | 2012-11-14 | 鸿富锦精密工业（深圳）有限公司 | Three-dimensional antenna |
-
2013
- 2013-04-11 CN CN201310123649.8A patent/CN104103912B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101617439A (en) * | 2007-02-19 | 2009-12-30 | 莱尔德技术股份有限公司 | Asymmetric dipole antenna |
| TWM339094U (en) * | 2008-02-29 | 2008-08-21 | Cheng Uei Prec Ind Co Ltd | Antenna |
| TW201027843A (en) * | 2009-01-09 | 2010-07-16 | Chi Mei Comm Systems Inc | Dual band antenna and wireless communication device using the same |
| CN102780071A (en) * | 2011-05-10 | 2012-11-14 | 鸿富锦精密工业（深圳）有限公司 | Three-dimensional antenna |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104103912A (en) | 2014-10-15 |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180424 Termination date: 20190411 |