CN104009294B - Antenna module and portable electronic device with the antenna module - Google Patents
Antenna module and portable electronic device with the antenna module Download PDFInfo
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- CN104009294B CN104009294B CN201310056591.XA CN201310056591A CN104009294B CN 104009294 B CN104009294 B CN 104009294B CN 201310056591 A CN201310056591 A CN 201310056591A CN 104009294 B CN104009294 B CN 104009294B
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- metalwork
- antenna module
- radiant section
- feed
- electrically connected
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Abstract
A kind of antenna module, including resonant structure, grounding parts, current feed department and metalwork, described grounding parts one end are electrically connected to the metalwork, other end ground connection；Described current feed department one end is electrically connected to the metalwork, and the other end is electrically connected to the feed end of a circuit board, is used for feed-in radiofrequency signal；The resonant structure is electrically connected to the metalwork, and the resonant structure generates resonance with the metalwork and realizes transmitting-receiving of the antenna module in a predetermined band signal.The invention further relates to a kind of portable electronic devices with the antenna module.When the antenna module is applied to portable electronic device, the metalwork is the metal shell or metal sidewall of portable electronic device, such antenna module realizes resonance by using the element of portable electronic device itself, can effectively reduce the volume of portable electronic device.
Description
Technical field
The present invention relates to a kind of antenna more particularly to a kind of antenna module applied to portable electronic device and with should
The portable electronic device of antenna module.
Background technology
In wireless communication devices such as mobile phone, personal digital assistants (personal digital assistant, PDA)
In, antenna is as the component to radio signals, undoubtedly one of most important component in wireless communication device.
Although the structure variation of antenna is various, typically independent design is good is assemblied in portable electronic device later
Interior, this will necessarily occupy the inner space of portable electronic device, be unfavorable for portable electronic device and sent out toward light, thin direction
Exhibition.
Invention content
In view of the deficienciess of the prior art, it is necessary to provide a kind of antenna modules reducing volume.
A kind of portable electronic device with the antenna module is provided in addition, there is a need to.
A kind of antenna module, including resonant structure, grounding parts, current feed department and metalwork, described grounding parts one end are electrically connected
To the metalwork, other end ground connection；Described current feed department one end is electrically connected to the metalwork, and the other end is electrically connected to one
The feed end of circuit board is used for feed-in radiofrequency signal；The resonant structure is electrically connected to the metalwork, the resonant structure and institute
It states metalwork generation resonance and realizes transmitting-receiving of the antenna module in a predetermined band signal.
A kind of portable electronic device, including antenna module, the antenna module include resonant structure, grounding parts, current feed department
And metalwork, described grounding parts one end are electrically connected to the metalwork, other end ground connection；Described current feed department one end is electrically connected
To the metalwork, the other end is electrically connected to the feed end of a circuit board, is used for feed-in radiofrequency signal；The resonant structure is electrical
It is connected to the metalwork, the resonant structure generates resonance with the metalwork and realizes that the antenna module is believed in a predetermined band
Number transmitting-receiving；The metalwork is the metal shell or metal sidewall of the portable electronic device.
The antenna module is by the metalwork of portable electronic device itself with irradiation unit collectively as the spoke of antenna
Beam, so as to effectively reduce the occupied area of antenna module.It, can when antenna module is applied in portable electronic device
The volume for occupying portable electronic device is reduced, the volume and weight that reduce portable electronic device are further promoted.
Description of the drawings
Fig. 1 is the three-dimensional assembly diagram of the antenna module of first embodiment of the invention.
Fig. 2 is the return loss plot of antenna module shown in Fig. 1.
Main element symbol description
| Antenna module | 100 |
| Metalwork | 10 |
| Grounding parts | 20 |
| Current feed department | 30 |
| Resonant structure | 40 |
| First shrapnel | 50 |
| Second shrapnel | 60 |
| First feed arm | 31 |
| Second feed arm | 33 |
| First radiant section | 41 |
| First " Π " shape structure | 42 |
| Second radiant section | 43 |
| Third radiant section | 44 |
| Second " Π " shape structure | 45 |
| 4th radiant section | 46 |
Following specific implementation mode will be further illustrated the present invention in conjunction with above-mentioned attached drawing.
Specific implementation mode
The antenna module of better embodiment of the present invention is applied in portable electronic device, believes for transceiving electromagnetic wave
Number.
Referring to Fig. 1, the antenna module 100 of better embodiment of the present invention includes metalwork 10, grounding parts 20, current feed department
30 and resonant structure 40.Grounding parts 20 are electrically connected to the circuit board that metalwork 10 and one is set to inside portable electronic device
（It is not shown）Ground terminal；Current feed department 30 is electrically connected to metalwork 10 and the feed side of the circuit board；Resonant structure 40 electrically connects
It is connected to the metalwork 10.Grounding parts 20 for realizing antenna module 100 ground connection；Current feed department 30 is penetrated for the antenna module 100
The feed-in of frequency signal；Metalwork 10 generates resonance collectively as the radiator of antenna module 100 with resonant structure 40 and realizes antenna
Transmitting-receiving of the component 100 in corresponding frequency band signal.In the present embodiment, antenna module 100 works in global positioning system
(Global Positioning System, GPS) frequency range（1575MHz）.
Metalwork 10 can be the metal shells such as portable case of electronic equipment, inner casing or portable electronic device
Metal sidewall.
Grounding parts 20 are in strip.In the present embodiment, antenna module 100 further includes the first shrapnel 50.Grounding parts 20
One end is fixed in metalwork 10, and the other end is fixed in the first shrapnel 50, that is, the other end of grounding parts 20 is electrically connected at the first bullet
Piece 50.Grounding parts 20 are electrically connected to the circuit board by the first shrapnel 50, so that antenna module 100 passes through first bullet
Piece 50 and the circuit board ground.In the present embodiment, grounding parts 20 are mutually perpendicular to the first shrapnel 50.
30 general " l " shape strip of current feed department comprising the first feed arm 31 being mutually connected vertically and the second feed arm
33.In the present embodiment, antenna module 100 further includes the second shrapnel 60.First feed arm 31 is far from the second feed arm 33
One end is fixed in metalwork 10, and the first feed arm 31, which is parallel to grounding parts 20 and is spaced with grounding parts 20, to be arranged, and the first feed
Arm 31 is longer than grounding parts 20, and grounding parts 20 and the second feed arm 33 are located at 31 the same side of the first feed arm.Second feed arm 33 is remote
One end from the first feed arm 31 is fixed in the second shrapnel 60.Current feed department 30 is electrically connected to the circuit by the second shrapnel 60
Plate, so that the antenna module 100 is fed by second shrapnel 60.In the present embodiment, the second shrapnel 60 is set
It is placed on the extending direction of the second feed arm 33, and is parallel to the first shrapnel 50.The end of second shrapnel 60 and the first shrapnel 50
Concordantly.
In the present embodiment, grounding parts 20, current feed department 30 and resonant structure 40 are set gradually, and three is located at same put down
Face.
Resonant structure 40 is by tailored radiation arm by repeatedly bending.40 one end of resonant structure is fixed in metalwork 10, another
End extends to the other side of second shrapnel 60 relative to the first shrapnel 50, that is, the other end of the resonant structure 40 extends to described
The other side of the current feed department 30 relative to the metalwork 10.Specifically, resonant structure 40 includes the first radiant section 41.First radiant section
41 are parallel to the first feed arm 31 and grounding parts 20.First radiant section, 41 one end is fixed in metalwork 10, and the other end is by three times
It is bent to form first " Π " shape structure 42 towards 31 projection of the first feed arm.The end of first " Π " the shape structure 42 is towards remote
Direction from the first radiant section 41 is bent to form one second radiant section 43.Second radiant section 43 is located at same with the first radiant section 41
Straight line.After second radiant section 43 extends one end distance, end is vertically bent to form a third towards the direction of current feed department 30
Radiant section 44.After third radiant section 44 extends one end distance, end by being bent to form one towards 10 projection of metalwork three times
The second " Π " shape structure 45.The end of second " Π " the shape structure 45 is vertically convexly equipped with towards the direction far from third radiant section 44
4th radiant section 46.4th radiant section 46 is located at same straight line with third radiant section 44, and the 4th radiant section 46 is located at the second feedback
The other side of the electric arm 33 relative to metalwork 10, and it is parallel to the second feed arm 33.
Since resonant structure 40 have passed through multiple bending, not only can in a limited space in increase resonant structure 40 length, that is,
The length of current path on resonant structure 40 so that antenna module 100 reduces volume while meeting 40 length requirement of resonant structure.
Further, since resonant structure 40 have passed through multiple bending so that the electric current of bending place is discontinuous, can further increase antenna module
100 operation bandwidth and radiation efficiency.
Referring to Fig. 2, Fig. 2 show the return loss of the antenna module 100 of better embodiment of the present invention（return
loss, RL）Simulation result schematic diagram.As can be seen from Figure, the antenna module 100 is in 1575MHz frequencies and 1575MHz frequencies
Nearby frequency can meet Antenna Operation design requirement to rate.
It please join table 1, table 1 show the gain effect of the antenna module 100 of better embodiment of the present invention at different frequencies
Rate percentage, as seen from Table 1, antenna module 100 near 1575MHz frequencies and 1575MHz frequencies frequency can get compared with
Good gain efficiency.
Table 1
| Frequency (MHz) | 1555 | 1565 | 1575 | 1585 | 1595 | 1605 |
| Efficiency (%) | 36 | 37 | 35 | 36 | 38 | 40 |
The antenna module 100 is by the metalwork 10 of portable electronic device itself with resonant structure 40 collectively as day
The radiator of line component 100, so as to effectively reduce 100 occupied area of antenna module.When antenna module 100 is applied to just
When in portable electronic apparatus, the volume for occupying portable electronic device can be reduced, further promotes to reduce portable electronic device
Volume and weight.
Claims (8)
1. a kind of antenna module is applied to a portable electronic device, it is characterised in that：The antenna module include resonant structure,
Grounding parts, current feed department and metalwork, described grounding parts one end are electrically connected to the metalwork, other end ground connection；The feed
Portion one end is electrically connected to the metalwork, and the other end is electrically connected to the feed end of a circuit board, is used for feed-in radiofrequency signal；
The resonant structure is electrically connected to the metalwork, and the resonant structure generates resonance with the metalwork and realizes the antenna module
In the transmitting-receiving of a predetermined band signal；The metalwork is the metal shell or metal sidewall of the portable electronic device,
Described in resonant structure be set to side of the current feed department far from the grounding parts, the resonant structure includes the first radiant section, institute
It states first radiant section one end and is fixed in the metalwork, the other end by being bent to form one towards the current feed department projection three times
First " Π " shape structure, the end of described first " Π " shape structure are bent to form one the towards the direction far from first radiant section
Two radiant sections, after second radiant section extends a distance into, end is vertically bent to form towards the direction of the current feed department
One third radiant section, after the third radiant section extends a distance into, end by being bent to form one towards the gold three times
Belong to second " Π " shape structure of part projection, the end of described second " Π " shape structure is hung down towards the direction far from the third radiant section
It directly is convexly equipped with the 4th radiant section, the 4th radiant section extends to the other side of the current feed department relative to the metalwork.
2. antenna module as described in claim 1, it is characterised in that：The grounding parts, current feed department and resonant structure are located at same
Plane.
3. antenna module as described in claim 1, it is characterised in that：The antenna module further includes the first shrapnel, the ground connection
Portion is electrically connected to the circuit board by first shrapnel and is grounded.
4. antenna module as claimed in claim 2, it is characterised in that：The current feed department is L-shaped comprising orthogonal
First feed arm and the second feed arm, the other end of first feed arm far from second feed arm are solidly connected to the metal
Part.
5. antenna module as claimed in claim 4, it is characterised in that：The grounding parts are parallel to first feed arm, and
The grounding parts and second feed arm are located at the same side of first feed arm.
6. antenna module as claimed in claim 4, it is characterised in that：The antenna module further includes the second shrapnel, and described
The one end of two feed arms far from first feed arm is solidly connected to second shrapnel；The current feed department passes through second shrapnel
The feed end for being electrically connected to the circuit carries out the feed-in of signal.
7. antenna module as described in claim 1, it is characterised in that：The resonant structure is by tailored radiation arm by repeatedly bending
It forms.
8. a kind of portable electronic device, including antenna module, it is characterised in that：The antenna module includes resonant structure, ground connection
Portion, current feed department and metalwork, described grounding parts one end are electrically connected to the metalwork, other end ground connection；The current feed department one
End is electrically connected to the metalwork, and the other end is electrically connected to the feed end of a circuit board, is used for feed-in radiofrequency signal；It is described
Resonant structure is electrically connected to the metalwork, and the resonant structure generates resonance with the metalwork and realizes the antenna module one
The transmitting-receiving of predetermined band signal；The metalwork is the metal shell or metal sidewall of the portable electronic device, wherein described
Resonant structure is set to side of the current feed department far from the grounding parts, and the resonant structure includes the first radiant section, and described first
Radiant section one end is fixed in the metalwork, and the other end by being bent to form one towards the first of the current feed department projection three times
The end of " Π " shape structure, described first " Π " shape structure is bent to form one second spoke towards the direction far from first radiant section
Section is penetrated, after second radiant section extends a distance into, end is vertically bent to form one towards the direction of the current feed department
Three radiant sections, after the third radiant section extends a distance into, end by being bent to form one towards the metalwork three times
The end of second " Π " shape structure of projection, described second " Π " shape structure is vertically convex towards the direction far from the third radiant section
Equipped with the 4th radiant section, the 4th radiant section extends to the other side of the current feed department relative to the metalwork.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310056591.XA CN104009294B (en) | 2013-02-22 | 2013-02-22 | Antenna module and portable electronic device with the antenna module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310056591.XA CN104009294B (en) | 2013-02-22 | 2013-02-22 | Antenna module and portable electronic device with the antenna module |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104009294A CN104009294A (en) | 2014-08-27 |
| CN104009294B true CN104009294B (en) | 2018-10-30 |
Family
ID=51369857
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310056591.XA Expired - Fee Related CN104009294B (en) | 2013-02-22 | 2013-02-22 | Antenna module and portable electronic device with the antenna module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104009294B (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101336497A (en) * | 2005-12-28 | 2008-12-31 | 诺基亚公司 | Quad-band couple element antenna structure |
| CN102593578A (en) * | 2012-03-12 | 2012-07-18 | 广东欧珀移动通信有限公司 | Coupling feed-in type antenna device for mobile phone |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES2358571T3 (en) * | 2004-06-02 | 2011-05-11 | Research In Motion Limited | MOBILE WIRELESS COMMUNICATIONS DEVICE INCLUDING A MULTI-FREQUENCY BAND ANTENNA AND RELATED METHODS. |
| CN1783582A (en) * | 2005-09-12 | 2006-06-07 | 香港商安费诺东亚有限公司台湾分公司 | Antenna earthing structure |
| CN101154760B (en) * | 2006-09-29 | 2012-05-23 | 富士康(昆山)电脑接插件有限公司 | Antenna assembly |
| US8791864B2 (en) * | 2011-01-11 | 2014-07-29 | Apple Inc. | Antenna structures with electrical connections to device housing members |
-
2013
- 2013-02-22 CN CN201310056591.XA patent/CN104009294B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101336497A (en) * | 2005-12-28 | 2008-12-31 | 诺基亚公司 | Quad-band couple element antenna structure |
| CN102593578A (en) * | 2012-03-12 | 2012-07-18 | 广东欧珀移动通信有限公司 | Coupling feed-in type antenna device for mobile phone |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104009294A (en) | 2014-08-27 |
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Granted publication date: 20181030 Termination date: 20200222 |