CN202196856U - Dual-polarization feed source - Google Patents
Dual-polarization feed source Download PDFInfo
- Publication number
- CN202196856U CN202196856U CN2011202999657U CN201120299965U CN202196856U CN 202196856 U CN202196856 U CN 202196856U CN 2011202999657 U CN2011202999657 U CN 2011202999657U CN 201120299965 U CN201120299965 U CN 201120299965U CN 202196856 U CN202196856 U CN 202196856U
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- Prior art keywords
- feed source
- radiating element
- mobile jib
- bipolar feed
- support mobile
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Abstract
The utility model relates to the antenna technology field, and specifically discloses a dual-polarization feed source. The dual-polarization feed source includes a pedestal (6), a supporting main rod (3), and a radiating unit (2), wherein the radiating unit (2) is coupled cross half-wave vibrators; one end of the supporting main rod (3) is provided with the radiating unit (2), and the other end is fixed on the pedestal (6); the bottom of the pedestal (6) is provided with two joints (7) which are connected with the corresponding half-wave vibrators of the radiating unit (2) via coaxial cables in the supporting main rod (3). The radiating unit of the dual-polarization feed source is the coupled cross half-wave vibrators, so the horizontal polarization and vertical polarization can be realized, and consequently the using requirements of a multiple input multiple output system to a receiving-transmitting antenna are satisfied.
Description
Technical field
The utility model relates to antenna technical field, is specifically related to a kind of 2.4GHz wave band bipolar feed source that cooperates different reflectings surface, can be used for the MIMO communication system of the Internet.
Background technology
Now the multi-input multi-output system (MIMO) of the Internet requires the antenna that uses, and major part all requires dual polarization (horizontal polarization and perpendicular polarization), and it is also relatively more rare to be applied in the dual polarization parabolic antenna of 2.4GHz.And feed is the core component of parabolic antenna, so be necessary to research and develop a kind of level, vertical bipolarization, operating frequency is at the bipolar feed source of 2400MHz～2485MHz.
The utility model content
For remedying the deficiency of market product, the purpose of the utility model is to provide a kind of bipolar feed source, to satisfy the instructions for use of many defeated λ multiple output systems to dual-mode antenna.
For solving above technical problem, the technical scheme that the utility model provides is, a kind of bipolar feed source comprises base (6), supports mobile jib (3) and radiating element (2), and wherein: said radiating element (2) is a coupled mode right-angled intersection half-wave dipole; One end of said support mobile jib (3) is installed said radiating element (2), and the other end is fixed on the said base (6); Two joints (7) are installed in the bottom surface of said base (6), are connected on the corresponding half-wave dipole of said radiating element (2) through the coaxial cable in the said support mobile jib (3) respectively.
More excellent ground, said radiating element (2) are two coupled mode right-angled intersection symmetry half-wave dipoles with print circuit plates making, wherein: in the middle of the printed circuit board (PCB) one side T font metal level insulating tape is set; The setting of printed circuit board (PCB) another side runs through the 7 font bonding jumpers on oscillator both sides; Respectively offer a groove in the middle of two half-wave dipoles,, form one group of radiating element of horizontal polarization and perpendicular polarization so that two half-wave dipoles are connected together each other.
More excellent ground, splicing one short-circuit line on the distributing point of said radiating element (2).
More excellent ground, said radiating element (2) is welded on the copper coin, and the another side of this copper coin is welded on the end face of said support mobile jib (3).
More excellent ground, said radiating element (2) overcoat one bucker (1).
More excellent ground, the inner bottom part of said bucker (1) is equipped with a copper coin as reflecting plate.
More excellent ground, said bucker (1) is fixed on the dished cover (4) of said support mobile jib (3) top setting.
More excellent ground, said support mobile jib (3) bottom is provided with a dished cover (4), so that said support mobile jib (3) and said base (6) is fixing.
More excellent ground, middle part overcoat one non-metallic pipe (5) of said support mobile jib (3) is with waterproof.
It is 10～30 ° two planes that more excellent ground, the bottom surface of said base (6) are provided with angle, so that a said joint (7) to be installed respectively.
Compared with prior art, the radiating element of the utility model bipolar feed source is a coupled mode right-angled intersection half-wave dipole, can realize horizontal polarization and perpendicular polarization.Operating frequency is 2300MHz～2700MHz after the parameters optimization, and standing-wave ratio is less than 1.8, gain 21dBi, and isolation can satisfy majority and go into the instructions for use of multiple output system (MIMO) to dual-mode antenna greater than 28db.This bipolar feed source compact conformation, easy to make, cost is lower, has market prospects preferably.
Description of drawings
Fig. 1 is the overall schematic of the utility model bipolar feed source;
Fig. 2 a is the front view of radiating element among Fig. 1;
Fig. 2 b is the end view of radiating element among Fig. 1;
Fig. 2 c is the vertical view of radiating element among Fig. 1.
Among the figure, relevant Reference numeral is following:
1, bucker; 2, radiating element; 3, support mobile jib; 4, dished cover; 5, non-metallic pipe; 6, base; 7, joint.
Embodiment
In order to make those skilled in the art understand the technical scheme of the utility model better, the utility model is done further to specify below in conjunction with accompanying drawing and specific embodiment.
Referring to Fig. 1～Fig. 2, represent a preferred embodiment of the utility model bipolar feed source (hereinafter to be referred as feed) simultaneously.This antenna feed is in order to remedy the deficiency of market product, caters to market demand and a 2.4GHz wave band bipolar feed source researching and developing.This product divides main three parts, and promptly base 6, supports mobile jib 3 and radiating element 2, and the core is at radiating element 2, below respectively each parts is described.
As shown in Figure 1,10 °～30 ° planes of two angles are arranged, so that two joints 7 to be installed in the bottom surface of Φ 57mm column type base 6; The opposite side of base 6 has a dished cover 4, and this dished cover 4 has pipe protruding, inserts in the dished cover 4 so that will support mobile jib 3, fixes with hexagon socket head cap screw then; Supporting in the mobile jib 3 has two coaxial cables, connects two radiating elements 2 and two joints 7 respectively; The other end supporting mobile jib 3 is welded with a copper coin, and fixing two coupled mode right-angled intersection half-wave dipoles with print circuit plates making on the copper coin are as the radiant body 2 of horizontal polarization and perpendicular polarization; In the outside of right-angled intersection half-wave dipole a bucker 1 is housed, wherein has a reflection copper coin to be installed in 1 li of bucker, this bucker 1 utilizes a nonmetal dished cover 4 to be fixed on and supports on the mobile jib 3; Simultaneously support overcoat one non-metallic pipe 5 on the mobile jib 3, be used for waterproof.
The bipolar feed source of above embodiment includes but not limited to following characteristics:
1, angle is arranged is that two planes of θ (10 °～30 °) are convenient to joint 7 and are installed to an end of column type base 6; Two ends supporting mobile jib 3 are with two dished covers 4 respectively, are respectively applied for firm banking 6 and bucker 1.
2, radiating element 2 is half-wave doublets of two coupled modes; Concrete structure is: the one side of printed circuit board (PCB) is a T font metal level, and there is an insulating tape that 3mm is wide the centre, and its length is 1/2 λ of centre frequency; The oscillator centre-height is 1/4 λ of centre frequency, and the oscillator width is 0.075 λ; The another side of circuit board is one 7 font bonding jumper, and it runs through the oscillator both sides; In the middle of two half-wave dipoles a groove is arranged respectively, be convenient to two half-wave oscillators and be connected together each other, form one group of radiating element of horizontal polarization and perpendicular polarization thus.Shown in Fig. 2 c, radiating element 2 sees it is cross type from profile.
3, cross type radiating element 2 is fixedly welded on the square copper coin, and the another side of square copper coin is welded on and supports on the mobile jib 3, and on distributing point, splices the 50 Ω short-circuit lines that centre frequency 1/4 λ is arranged.Simultaneously, be with bucker 1 in the outside of radiating element 2, and at the inner bottom part of bucker 1 a round copper coin be housed and make reflecting plate, wherein this bucker 1 is fixed on through dished cover 4 and supports on the mobile jib 3.
4, this embodiment is a kind of core component of focus type directional antenna, can install and use in different burnt footpaths than parabolic antenna and various bore backfire antenna, but also bi-directional scaling size so that use on the different working frequency.
With the 3 Φ 0.6m paraboloids of revolution is example; But this bipolar feed source operating frequency 2300～2700MHz, standing-wave ratio is less than 1.8, gain 21dBi; Isolation is greater than 28Db, and level, perpendicular polarization satisfy the instructions for use of multi-input multi-output system (MIMO) to dual-mode antenna.
Only be the preferred implementation of the utility model below, should be pointed out that above-mentioned preferred implementation should not be regarded as the restriction to the utility model, the protection range of the utility model should be as the criterion with claim institute restricted portion.For those skilled in the art; In spirit that does not break away from the utility model and scope; Can also make some improvement and retouching (like outer cover shape, outer cover color, mounting means change etc.), these improvement and retouching also should be regarded as the protection range of the utility model.
Claims (10)
1. a bipolar feed source is characterized in that, comprises base (6), supports mobile jib (3) and radiating element (2), and wherein: said radiating element (2) is a coupled mode right-angled intersection half-wave dipole; One end of said support mobile jib (3) is installed said radiating element (2), and the other end is fixed on the said base (6); Two joints (7) are installed in the bottom surface of said base (6), are connected on the corresponding half-wave dipole of said radiating element (2) through the coaxial cable in the said support mobile jib (3) respectively.
2. bipolar feed source as claimed in claim 1 is characterized in that, said radiating element (2) is two coupled mode right-angled intersection symmetry half-wave dipoles with print circuit plates making, wherein: in the middle of the printed circuit board (PCB) one side T font metal level insulating tape is set; The setting of printed circuit board (PCB) another side runs through the 7 font bonding jumpers on oscillator both sides; Respectively offer a groove in the middle of two half-wave dipoles,, form one group of radiating element of horizontal polarization and perpendicular polarization so that two half-wave dipoles are connected together each other.
3. bipolar feed source as claimed in claim 1 is characterized in that, splicing one short-circuit line on the distributing point of said radiating element (2).
4. bipolar feed source as claimed in claim 1 is characterized in that, said radiating element (2) is welded on the copper coin, and the another side of this copper coin is welded on the end face of said support mobile jib (3).
5. bipolar feed source as claimed in claim 1 is characterized in that, said radiating element (2) overcoat one bucker (1).
6. bipolar feed source as claimed in claim 5 is characterized in that, the inner bottom part of said bucker (1) is equipped with a copper coin as reflecting plate.
7. bipolar feed source as claimed in claim 5 is characterized in that, said bucker (1) is fixed on the dished cover (4) of said support mobile jib (3) top setting.
8. bipolar feed source as claimed in claim 1 is characterized in that, said support mobile jib (3) bottom is provided with a dished cover (4), so that said support mobile jib (3) and said base (6) is fixing.
9. bipolar feed source as claimed in claim 1 is characterized in that, middle part overcoat one non-metallic pipe (5) of said support mobile jib (3) is with waterproof.
10. like each described bipolar feed source of claim 1～9, it is characterized in that it is 10～30 ° two planes that the bottom surface of said base (6) is provided with angle, so that a said joint (7) to be installed respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202999657U CN202196856U (en) | 2011-08-17 | 2011-08-17 | Dual-polarization feed source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202999657U CN202196856U (en) | 2011-08-17 | 2011-08-17 | Dual-polarization feed source |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202196856U true CN202196856U (en) | 2012-04-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202999657U Expired - Fee Related CN202196856U (en) | 2011-08-17 | 2011-08-17 | Dual-polarization feed source |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202196856U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102683810A (en) * | 2012-04-20 | 2012-09-19 | 武汉虹信通信技术有限责任公司 | Indoor multiple input multiple output (MIMO) antenna |
| CN102800919A (en) * | 2012-08-17 | 2012-11-28 | 上海航天测控通信研究所 | P-waveband high-power broadband element antenna |
| CN102820554A (en) * | 2012-08-23 | 2012-12-12 | 佛山市健博通电讯实业有限公司 | Parabolic antenna, dual-polarization feed source and dual-polarization feed source oscillator plate |
| CN103579781A (en) * | 2013-06-02 | 2014-02-12 | 康凯科技（杭州）有限公司 | Dual-polarized antenna having the same main beam radiation feature |
| CN109428148A (en) * | 2017-08-30 | 2019-03-05 | 比亚迪股份有限公司 | Mimo antenna |
-
2011
- 2011-08-17 CN CN2011202999657U patent/CN202196856U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102683810A (en) * | 2012-04-20 | 2012-09-19 | 武汉虹信通信技术有限责任公司 | Indoor multiple input multiple output (MIMO) antenna |
| CN102800919A (en) * | 2012-08-17 | 2012-11-28 | 上海航天测控通信研究所 | P-waveband high-power broadband element antenna |
| CN102800919B (en) * | 2012-08-17 | 2015-03-04 | 上海航天测控通信研究所 | P-waveband high-power broadband element antenna |
| CN102820554A (en) * | 2012-08-23 | 2012-12-12 | 佛山市健博通电讯实业有限公司 | Parabolic antenna, dual-polarization feed source and dual-polarization feed source oscillator plate |
| CN103579781A (en) * | 2013-06-02 | 2014-02-12 | 康凯科技（杭州）有限公司 | Dual-polarized antenna having the same main beam radiation feature |
| CN103579781B (en) * | 2013-06-02 | 2016-05-04 | 康凯科技（杭州）有限公司 | There is the dual polarized antenna system of identical main beam radiation characteristic |
| CN109428148A (en) * | 2017-08-30 | 2019-03-05 | 比亚迪股份有限公司 | Mimo antenna |
| CN109428148B (en) * | 2017-08-30 | 2020-03-31 | 比亚迪股份有限公司 | MIMO antenna |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Free format text: FORMER OWNER: REN GUANGSHENG Effective date: 20140721 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 528000 FOSHAN, GUANGDONG PROVINCE TO: 528100 FOSHAN, GUANGDONG PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20140721 Address after: 528100 South Industrial Park, Shanshui District, Guangdong, Foshan Patentee after: SHD Communication Technology (Guangdong) Co., Ltd. Address before: 528000 South Industry Zone, Sanshui District, Guangdong, Foshan Patentee before: SHD Communication Technology (Guangdong) Co., Ltd. Patentee before: Ren Guangsheng |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120418 Termination date: 20180817 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |