CN103050766A - Antenna module and wireless communication device provided with same - Google Patents
Antenna module and wireless communication device provided with same Download PDFInfo
- Publication number
- CN103050766A CN103050766A CN2011103115018A CN201110311501A CN103050766A CN 103050766 A CN103050766 A CN 103050766A CN 2011103115018 A CN2011103115018 A CN 2011103115018A CN 201110311501 A CN201110311501 A CN 201110311501A CN 103050766 A CN103050766 A CN 103050766A
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- antenna
- pcb
- radiant body
- strutting piece
- radiant
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Abstract
The invention provides an antenna module which comprises a PCB (Printed Circuit Board), a first antenna, a second antenna and a connecting part, wherein the first antenna and the second antenna are respectively arranged at two sides of the PCB and connected by the connecting part; the first antenna comprises a first radiant body and a first support member, wherein the first support member is arranged between the first radiant body and the PCB, so that a preset first interval is formed between the first radiant body and the PCB; and the second antenna comprises a second radiant body and a second support body, wherein the second support body is arranged between the second radiant body and the PCB, so that a preset second interval is formed between the second radiant body and the PCB. The invention further provides a wireless communication device provided with the antenna module.
Description
Technical field
The radio communication device that the present invention relates to a kind of antenna modules and have this antenna modules, the radio communication device that relates in particular to a kind of multifrequency antenna module and have this antenna modules.
Background technology
Multifrequency antenna generally includes high frequency radiation body and low frequency radiation body.Existing multifrequency antenna mostly is greatly planar structure, and its high frequency radiation body and low frequency radiation body all are arranged on the same plane.When the radio communication device with this type of multifrequency antenna being carried out electro-magnetic wave absorption ratio (Specific Absorption Rate, when SAR) testing, because high frequency radiation body and low frequency radiation body are arranged on the same plane, its radiation may be superimposed, the too high situation of SAR value appears in a side easily that cause being provided with antenna, is difficult to meet the SAR relevant regulations.
In the prior art, induction installation is set in radio communication device usually, and sense the user near the time, by reducing power output, lower the SAR value.Yet, adopt this mode to reduce the SAR value and can cause the output power of antenna reduction and affect communication quality, and induction installation also can increase the radio communication device production cost.
Summary of the invention
For the problems referred to above, be necessary to provide a kind of effective reduction SAR value and have the antenna modules of higher communication quality.
In addition, also be necessary to provide a kind of radio communication device with above-mentioned antenna modules.
A kind of antenna modules, it comprises PCB, the first antenna, the second antenna and connecting portion, this first antenna is arranged at respectively these PCB both sides with the second antenna and links to each other through this connecting portion, this first antenna comprises the first radiant body and the first strutting piece, this first strutting piece is arranged between this first radiant body and this PCB, makes to have the first default spacing between this first radiant body and this PCB; This second antenna comprises the second radiant body and the second strutting piece, and this second strutting piece is arranged between this second radiant body and this PCB, makes to have the second default spacing between this second radiant body and this PCB.
A kind of radio communication device, it comprises the first housing, the second housing and antenna modules, this antenna modules is arranged between this first housing and the second housing, this antenna modules comprises PCB, the first antenna, the second antenna and connecting portion, this first antenna is arranged at respectively these PCB both sides with the second antenna and links to each other through this connecting portion, this first antenna comprises the first radiant body and the first strutting piece, this first strutting piece is arranged between this first radiant body and this PCB, makes to have the first default spacing between this first radiant body and this PCB; This second antenna comprises the second radiant body and the second strutting piece, and this second strutting piece is arranged between this second radiant body and this PCB, makes to have the second default spacing between this second radiant body and this PCB.
Antenna modules of the present invention is by being separately positioned on different height with the first antenna with the second antenna, the two radiation path is influenced each other and reduces whole SAR value, can obtain preferably communication quality in the SAR value that reduces radio communication device.
Description of drawings
Fig. 1 is the schematic diagram of the radio communication device of a preferred embodiment of the present invention;
Fig. 2 is the part schematic diagram of the radio communication device of a preferred embodiment of the present invention.
The main element symbol description
| |
100 |
| The |
10 |
| The |
20 |
| |
30 |
| |
31 |
| |
311 |
| |
313 |
| The |
32 |
| The first |
321 |
| The first radiation |
3211 |
| The second radiation |
3213 |
| The 3rd radiation |
3215 |
| The |
322 |
| The |
33 |
| The second |
331 |
| The |
333 |
| Connecting |
34 |
| |
35 |
Following embodiment further specifies the present invention in connection with above-mentioned accompanying drawing.
Embodiment
See also Fig. 1 and Fig. 2, the radio communication device 100 of a preferred embodiment of the present invention comprises the first housing 10, the second housing 20 and antenna modules 30.
This first housing 10 and the second housing 20 are the part shell of radio communication device 100, and the two is oppositely arranged.This antenna modules 30 is arranged at and forms an accommodation space (figure is mark not) between the first housing 10 and the second housing 20.
This antenna modules 30 comprises PCB (Printed Circuit Board, printed circuit board (PCB)) the 31, first antenna 32, the second antenna 33, connecting portion 34 and feeding portion 35.
This PCB31 comprises first surface 311 and the second surface 313 relative with first surface 311.This first antenna 32 and the second antenna 33 are arranged at respectively the first surface 311 and second surface 313 of PCB31.
This first antenna 32 is a low-frequency antenna, and it comprises one first radiant body 321 and one first strutting piece 322.See also Fig. 2 in this preferred embodiment, this first radiant body 321 roughly is " U " type, and it comprises the first radiation lamellar body 3211, the second radiation lamellar body 3213 and the 3rd radiation lamellar body 3215.The first radiation lamellar body 3211 and the 3213 parallel interval settings of the second radiation lamellar body, end is vertical links to each other for the 3rd radiation lamellar body 3215 and the first radiation lamellar body 3211 and the second radiation lamellar body 3,213 one.
This first strutting piece 322 is a lamellar body, and it is made by the material that metal etc. has electric conductivity.These the first strutting piece 322 1 ends vertically are arranged on the first surface 311 of PCB31, the other end and an end vertical link to each other of the first radiation lamellar body 3211 away from the 3rd radiation lamellar body 3215 have first a default spacing thereby make between the first radiant body 321 and the PCB31.In this preferred embodiment, the first radiant body 321 is attached at the first housing 10 inner surfaces, can avoid the first radiant body 321 relative PCB31 to shake, and affects antenna modules 30 signal irradiation stabilities.
This second antenna 33 is a high frequency antenna, and the structure of itself and the first antenna 32 is roughly the same, comprises one second radiant body 331 and one second strutting piece 333.The two difference is that this second radiant body 331 is roughly a rectangle lamellar body.This second strutting piece 333 and the first strutting piece 322 structures are roughly the same, the one end vertically is arranged on the second surface 313 of PCB31, vertical the linking to each other of one end of the other end and the second radiant body 331, has second a default spacing between the second radiant body 331 and the PCB31 thereby make.In this preferred embodiment, the distance of the first radiant body 321 and the second radiant body 331 distance P CB31 is approximately 10mm-15mm.The second radiant body 331 also can be pasted on the second housing 20, shakes to prevent the second radiant body 331 relative PCB31, affects the signal irradiation stability.
This connecting portion 34 is a microstrip line, it is arranged on the second surface 313 of PCB31, the one end links to each other with the second strutting piece 333, and the other end is over against the first strutting piece 322 that is arranged on the first surface 311, should with the first strutting piece 322 over against an end can link to each other with the first strutting piece 322 through PCB31.This connecting portion 34 can be complementary with the first antenna 32 and the second antenna 33.Be appreciated that this connecting portion 34 also can be arranged at the first surface 311 of PCB31.
This feeding portion 35 is arranged on the second surface 313 of PCB31, be positioned at connecting portion 34 1 sides, and link to each other with the second strutting piece 333, simultaneously, also can link to each other with the first strutting piece 322 of the first surface 311 that is positioned at PCB31 by the mode of perforation, to carry out the feed-in of signal, this feeding portion 35 can be strip line, microstrip line or coaxial cable.
Be appreciated that, the structure of the first radiant body 321 and the second radiant body 331 can require to adjust according to different signal amplitude radio bands, in addition, this first strutting piece 322 and the second strutting piece 333 can link to each other with the first radiant body 321 and the second radiant body 331 other positions, obtaining different signal transmission paths, and then obtain more radiation frequency ranges.
The first antenna 32 of antenna modules 30 of the present invention and the second antenna 33 arrange respectively the both sides of PCB31 and have certain distance, and its radiation field intensity is comparatively disperseed, and by the two radiation path reduction radiation field intensity that influences each other, and then reduce whole SAR value.Because the present invention does not need to reduce power output when reducing whole SAR value, therefore can obtain than the better communication quality of prior art.
Claims (10)
1. antenna modules, it is characterized in that: this antenna modules comprises PCB, the first antenna, the second antenna and connecting portion, this first antenna is arranged at respectively these PCB both sides with the second antenna and links to each other through this connecting portion, this first antenna comprises the first radiant body and the first strutting piece, this first strutting piece is arranged between this first radiant body and this PCB, makes to have the first default spacing between this first radiant body and this PCB; This second antenna comprises the second radiant body and the second strutting piece, and this second strutting piece is arranged between this second radiant body and this PCB, makes to have the second default spacing between this second radiant body and this PCB.
2. antenna modules as claimed in claim 1, it is characterized in that: this first strutting piece and this second strutting piece are the metal lamellar body.
3. antenna modules as claimed in claim 1, it is characterized in that: this first strutting piece one end is fixed in this PCB, and it is terminal that the other end is fixed in this first radiant body, and this first radiant body is oppositely arranged with this PCB is parallel.
4. antenna modules as claimed in claim 3, it is characterized in that: this first radiant body is " U " type.
5. antenna modules as claimed in claim 4, it is characterized in that: this first radiant body comprises the first radiation lamellar body, the second radiation lamellar body and the 3rd radiation lamellar body, this the first radiation lamellar body and this second radiation lamellar body parallel interval arrange, the 3rd radiation lamellar body and this first radiation lamellar body and this second radiation lamellar body vertical linking to each other of one end.
6. antenna modules as claimed in claim 1, it is characterized in that: this second strutting piece one end is fixed in this PCB, and it is terminal that the other end is fixed in this second radiant body, and this second radiant body is oppositely arranged with this PCB is parallel.
7. antenna modules as claimed in claim 6, it is characterized in that: this second radiant body is the rectangle lamellar body.
8. radio communication device, it comprises the first housing, the second housing and antenna modules, this antenna modules is arranged between this first housing and the second housing, it is characterized in that: this antenna modules comprises PCB, the first antenna, the second antenna and connecting portion, this first antenna is arranged at respectively these PCB both sides with the second antenna and links to each other through this connecting portion, this first antenna comprises the first radiant body and the first strutting piece, this first strutting piece is arranged between this first radiant body and this PCB, makes to have the first default spacing between this first radiant body and this PCB; This second antenna comprises the second radiant body and the second strutting piece, and this second strutting piece is arranged between this second radiant body and this PCB, makes to have the second default spacing between this second radiant body and this PCB.
9. radio communication device as claimed in claim 8, it is characterized in that: this first radiant body and the second radiant body all are oppositely arranged with this PCB is parallel.
10. radio communication device as claimed in claim 8, it is characterized in that: this first radiant body is attached on this first housing, and this second radiant body is attached on this second housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110311501.8A CN103050766B (en) | 2011-10-14 | 2011-10-14 | Antenna modules and the radio communication device with the antenna modules |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110311501.8A CN103050766B (en) | 2011-10-14 | 2011-10-14 | Antenna modules and the radio communication device with the antenna modules |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103050766A true CN103050766A (en) | 2013-04-17 |
| CN103050766B CN103050766B (en) | 2017-08-22 |
Family
ID=48063327
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110311501.8A Expired - Fee Related CN103050766B (en) | 2011-10-14 | 2011-10-14 | Antenna modules and the radio communication device with the antenna modules |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103050766B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109698399A (en) * | 2017-10-20 | 2019-04-30 | 深圳天珑无线科技有限公司 | Electronic equipment and its antenna module |
| CN110474146A (en) * | 2018-05-10 | 2019-11-19 | Oppo广东移动通信有限公司 | Electronic device |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5557293A (en) * | 1995-01-26 | 1996-09-17 | Motorola, Inc. | Multi-loop antenna |
| CN1497779A (en) * | 2002-10-22 | 2004-05-19 | 松下电器产业株式会社 | Antenna and electronic equipment using it |
| CN1605137A (en) * | 2001-12-27 | 2005-04-06 | 摩托罗拉公司 | Dual-band internal antenna for dual-band communication device |
| CN1906807A (en) * | 2004-04-09 | 2007-01-31 | 古河电气工业株式会社 | Compact antenna |
| US20090121948A1 (en) * | 2007-09-04 | 2009-05-14 | Sierra Wireless, Inc. | Antenna Configurations for Compact Device Wireless Communication |
| CN101443956A (en) * | 2006-05-17 | 2009-05-27 | 索尼爱立信移动通讯股份有限公司 | Multi-band antenna for GSM, UMTS, and WIFI applications |
| CN101752654A (en) * | 2008-12-01 | 2010-06-23 | 财团法人工业技术研究院 | Double frequency oriented antenna |
| US7768460B2 (en) * | 2008-07-24 | 2010-08-03 | Cheng Uei Precision Industry Co., Ltd. | Multi-band antenna |
| TW201042824A (en) * | 2009-05-22 | 2010-12-01 | Foxconn Comm Technology Corp | Antenna module |
-
2011
- 2011-10-14 CN CN201110311501.8A patent/CN103050766B/en not_active Expired - Fee Related
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5557293A (en) * | 1995-01-26 | 1996-09-17 | Motorola, Inc. | Multi-loop antenna |
| CN1605137A (en) * | 2001-12-27 | 2005-04-06 | 摩托罗拉公司 | Dual-band internal antenna for dual-band communication device |
| CN1497779A (en) * | 2002-10-22 | 2004-05-19 | 松下电器产业株式会社 | Antenna and electronic equipment using it |
| CN1906807A (en) * | 2004-04-09 | 2007-01-31 | 古河电气工业株式会社 | Compact antenna |
| CN101443956A (en) * | 2006-05-17 | 2009-05-27 | 索尼爱立信移动通讯股份有限公司 | Multi-band antenna for GSM, UMTS, and WIFI applications |
| US20090121948A1 (en) * | 2007-09-04 | 2009-05-14 | Sierra Wireless, Inc. | Antenna Configurations for Compact Device Wireless Communication |
| US7768460B2 (en) * | 2008-07-24 | 2010-08-03 | Cheng Uei Precision Industry Co., Ltd. | Multi-band antenna |
| CN101752654A (en) * | 2008-12-01 | 2010-06-23 | 财团法人工业技术研究院 | Double frequency oriented antenna |
| TW201042824A (en) * | 2009-05-22 | 2010-12-01 | Foxconn Comm Technology Corp | Antenna module |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109698399A (en) * | 2017-10-20 | 2019-04-30 | 深圳天珑无线科技有限公司 | Electronic equipment and its antenna module |
| CN110474146A (en) * | 2018-05-10 | 2019-11-19 | Oppo广东移动通信有限公司 | Electronic device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103050766B (en) | 2017-08-22 |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170822 Termination date: 20211014 |
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| CF01 | Termination of patent right due to non-payment of annual fee |