CN203895605U - Broadband satellite communication reception terminal antenna - Google Patents
Broadband satellite communication reception terminal antenna Download PDFInfo
- Publication number
- CN203895605U CN203895605U CN201420242225.3U CN201420242225U CN203895605U CN 203895605 U CN203895605 U CN 203895605U CN 201420242225 U CN201420242225 U CN 201420242225U CN 203895605 U CN203895605 U CN 203895605U
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- CN
- China
- Prior art keywords
- conductor
- outer conductor
- coaxial outer
- frustum
- plain conductor
- 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.)
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Abstract
The utility model discloses a broadband satellite communication reception terminal antenna, comprising a plastic frustum, a coaxial line internal conductor, a coaxial line outer conductor, a first metal lead, a second metal lead and an N-type joint. The coaxial line outer conductor is arranged in the plastic frustum. Two slits, axisymmetric relative to the coaxial line outer conductor, with the length of 1/4 of the wavelength are also arranged on the top of the coaxial line outer conductor. The first metal lead and the second metal lead are both wound on an external surface of the plastic frustum. One terminal of the first metal lead is connected the top of the coaxial line outer conductor. One terminal of the second metal lead goes through the top of the coaxial line outer conductor and is connected with the top of the coaxial line internal conductor. The other terminal of the first metal lead and the other terminal of the second metal lead are connected with the coaxial line outer conductor. The N-type joint is connected with the bottom of the coaxial line outer conductor. According to the antenna structure provided by the utility model, impedance bandwidth of the antenna is broadened. Structure is simple, manufacture is easy and installation is convenient. The antenna has important utility value.
Description
Technical field
The utility model relates to wireless communication signals receiving equipment technical field, particularly a kind of wideband satellite communication receiving terminal antenna.
Background technology
Along with the development of Modern wireless communication cause, satellite communication system plays a part more and more important in human lives.The development of communication satellite antenna, has experienced from simple antenna (standard round or elliptical beam), figuration is wireless (many feeds wave beam forming and reflector figuration) to the large antenna of multi beamforming for supporting that personal mobile communication is developed.Antenna is as the terminal equipment of radio system, and owing to receiving the needs of various different frequency range satellite communications, antenna work bandwidth has become an important indicator of satellite communication antena.In addition, in view of the needs of satellite communication terminal miniaturization, antenna physical dimension is less conventionally, and for undersized general helical antenna, the bandwidth of operation of antenna is narrower, is difficult to meet the wide-band requirement of multi-satellite communication systems.
How solving the deficiencies in the prior art has become a great problem of existing wireless communications signal receiver technical field.
Summary of the invention
Technical problem to be solved in the utility model is to provide a kind of wideband satellite communication receiving terminal antenna for overcoming the deficiencies in the prior art, the utility model by feed end by the antenna structure of radius of spin gradual change, broadening the impedance bandwidth of antenna; Simple in structure, be easy to manufacture and cost low.
The utility model is for solving the problems of the technologies described above by the following technical solutions:
According to a kind of wideband satellite communication receiving terminal antenna the utility model proposes, comprise plastics frustum, coaxial inner conductor, coaxial outer conductor, the first plain conductor, the second plain conductor and N connector;
Wherein, coaxial inner conductor is embedded in coaxial outer conductor, coaxial outer conductor be arranged in plastics frustum and the two ends of coaxial outer conductor respectively from the upper base of plastics frustum with go to the bottom and stretch out, coaxial outer conductor top is also provided with two be wavelength with respect to the axisymmetric length of coaxial outer conductor 1/4 gap; The first plain conductor, the second plain conductor are all wrapped on plastics frustum outer surface; One end of the first plain conductor is connected with the top of coaxial outer conductor, the top of one end process coaxial outer conductor of the second plain conductor is also connected with the top of coaxial inner conductor, and the other end of the first plain conductor, the other end of the second plain conductor are all connected with coaxial outer conductor; N connector is connected with the bottom of coaxial outer conductor.
As the further prioritization scheme of a kind of wideband satellite communication receiving terminal antenna of the present utility model, going to the bottom of described plastics frustum is printed on copper sheet, the other end of described the first plain conductor, the other end of the second plain conductor are to be connected with coaxial outer conductor by copper sheet, copper sheet center is circular, coaxial outer conductor is through copper sheet center and contacting with copper sheet, the center of circle symmetry that the other end of the first plain conductor, the other end of the second plain conductor are all gone to the bottom about plastics frustum be arranged at the plastics frustum edge that goes to the bottom.
As the further prioritization scheme of a kind of wideband satellite communication receiving terminal antenna of the present utility model, described the first plain conductor, the second plain conductor all adopt copper wire.
As the further prioritization scheme of a kind of wideband satellite communication receiving terminal antenna of the present utility model, the dielectric constant of described plastics frustum is 2.5 to 3.5.
As the further prioritization scheme of a kind of wideband satellite communication receiving terminal antenna of the present utility model, described the first plain conductor, the second plain conductor and plastics frustum go to the bottom edge connected mode for welding.
As the further prioritization scheme of a kind of wideband satellite communication receiving terminal antenna of the present utility model, described copper sheet is fixedly connected with formation short circuit with coaxial outer conductor by screw.
As the further prioritization scheme of a kind of wideband satellite communication receiving terminal antenna of the present utility model, described N connector is connected by screw with the lower end of coaxial outer conductor.
As the further prioritization scheme of a kind of wideband satellite communication receiving terminal antenna of the present utility model, the top of described coaxial outer conductor is also provided with two holes, be respectively the first hole and the second hole, one end of the first plain conductor is connected with the first hole by screw, and one end of the second plain conductor is connected with the top of coaxial inner conductor again through behind the second hole.
The utility model adopts above technical scheme compared with prior art, there is following technique effect: the wideband satellite communication receiving terminal antenna of mentioning in the utility model is a kind of resonant mode both arms helical antenna, compare four-arm spiral antenna structure comparatively simple, do not need complicated phase shift feed circuit; It has adopted antenna feed on top (place that radius is little), two plain conductors from top to bottom radius become large gradually, the structure of the terminal of two plain conductors and coaxial outer conductor short circuit, adopt the structure of radius of spin gradual change, by feed end, the radius of spin is become to large gradually, played the gradual effect of impedance transformation, thus broadening the impedance bandwidth of antenna; This antenna can be operated in centre frequency 1.6GHz, about 150MHz frequency range, realizes left-hand circular polarization or right-handed circular polarization, and antenna is voltage standing wave(VSW) VSWR < 2 in whole frequency range, gain G reatT.GreaT.GT3dB; This antenna structure is simple, be easy to manufacture and install more convenient; There is very important practical value.
Brief description of the drawings
Fig. 1 is antenna structure schematic perspective view of the present utility model.
Fig. 2 is the cutaway view of the utility model antenna.
Fig. 3 is the vertical view of the utility model antenna.
Fig. 4 is the upward view of the utility model antenna.
Fig. 5 is antenna feed coaxial outer conductor balancer schematic diagram.
Fig. 6 is the schematic diagram that N connector is connected with coaxial inner conductor.
Fig. 7 is this antenna Electromagnetic Simulation voltage standing wave ratio result figure.
Reference numeral: 1-plastics frustum, 2-coaxial inner conductor, 3-coaxial outer conductor, 4-the first plain conductor, 5-the second plain conductor, 6-N type joint, 7-screw.
Embodiment
Below in conjunction with accompanying drawing, the technical solution of the utility model is described in further detail:
Being antenna structure schematic perspective view of the present utility model as shown in Figure 1, is the cutaway view of the utility model antenna as shown in Figure 2, can see the internal structure of antenna, and Fig. 3 is the vertical view of the utility model antenna.A kind of wideband satellite communication receiving terminal antenna of the present utility model, comprises plastics frustum 1, coaxial inner conductor 2, coaxial outer conductor 3, the first plain conductor 4, the second plain conductor 5 and N connector 6; Wherein, coaxial inner conductor 2 is embedded in coaxial outer conductor 3, coaxial outer conductor 3 be arranged in plastics frustum 1 and the two ends of coaxial outer conductor 3 respectively from the upper base of plastics frustum 1 with go to the bottom and stretch out, coaxial outer conductor 3 tops are also provided with two be wavelength with respect to the axisymmetric length of coaxial outer conductor 1/4 gap; The first plain conductor 4, the second plain conductor 5 are all wrapped on plastics frustum 1 outer surface; One end of the first plain conductor 4 is connected with the top of coaxial outer conductor 3, the top of one end process coaxial outer conductor 3 of the second plain conductor 5 is also connected with the top of coaxial inner conductor 2, and the other end of the first plain conductor 4, the other end of the second plain conductor 5 are all connected with coaxial outer conductor 3; N connector is connected with the bottom of coaxial outer conductor 3.
As shown in Figure 2, the use of plastics frustum 1 has been played fixed antenna and has been adjusted the effect of beamwidth.If Fig. 3 is the vertical view of the utility model antenna, the top of coaxial outer conductor 3 is provided with two holes, be respectively the first hole and the second hole, one end of the first plain conductor 4 is connected with the first hole by screw 7, and one end of the second plain conductor 5 is connected with the top of coaxial inner conductor 2 again through behind the second hole.
The upward view of the utility model antenna as shown in Figure 4, going to the bottom of described plastics frustum 1 is printed on copper sheet, the other end of described the first plain conductor 4, the other end of the second plain conductor 5 are to be connected with coaxial outer conductor 3 by copper sheet, copper sheet center is circular, coaxial outer conductor 3 is through copper sheet center and contact with copper sheet, the center of circle symmetry that the other end of the first plain conductor 4, the other end of the second plain conductor 5 are all gone to the bottom about plastics frustum 1 be arranged at plastics frustum 1 edge that goes to the bottom.In the middle of plastics frustum 1, be that tubular structure is identical with the diameter of coaxial outer conductor 3, the copper sheet of the fine strip shape that the other end of the first plain conductor 4 and the second plain conductor 5 is gone to the bottom with plastics frustum 1 respectively welds together, and copper sheet forms short circuits by screw 7 and coaxial outer conductor 3 are fixing.The first plain conductor 4, the second plain conductor 5 all adopt copper wire, and the diameter of copper wire is elected 1.5mm as.Plastics frustum 1 is to be 2.5 to 3.5 plastics frustum 1 by dielectric constant.The go to the bottom copper sheet of edge of the first plain conductor 4, the second plain conductor 5 and plastics frustum 1 welds.
As shown in Figure 5, coaxial outer conductor 3 tops are provided with two be wavelength with respect to the axisymmetric length of coaxial outer conductor 3 1/4 gap, is equivalent to a clearance type balancer.As shown in Figure 6, it is the schematic diagram that N connector 6 is connected with coaxial inner conductor 2, N connector 6 is connected by screw 7 with the lower end of coaxial outer conductor 3, and coaxial inner conductor 2 and coaxial outer conductor 3 have formed a coaxial line structure, is the feed part of antenna.Fig. 7 is this antenna Electromagnetic Simulation voltage standing wave ratio result figure, and this antenna has the bandwidth of non-constant width as seen from Figure 7.
Above embodiment is only explanation technological thought of the present utility model; can not limit protection range of the present utility model for this reason; every technological thought according to the utility model proposes, any change of doing on technical scheme basis, within all falling into the utility model protection range.
Claims (8)
1. a wideband satellite communication receiving terminal antenna, is characterized in that, comprises plastics frustum, coaxial inner conductor, coaxial outer conductor, the first plain conductor, the second plain conductor and N connector;
Wherein, coaxial inner conductor is embedded in coaxial outer conductor, coaxial outer conductor be arranged in plastics frustum and the two ends of coaxial outer conductor respectively from the upper base of plastics frustum with go to the bottom and stretch out, coaxial outer conductor top is also provided with two be wavelength with respect to the axisymmetric length of coaxial outer conductor 1/4 gap; The first plain conductor, the second plain conductor are all wrapped on plastics frustum outer surface; One end of the first plain conductor is connected with the top of coaxial outer conductor, the top of one end process coaxial outer conductor of the second plain conductor is also connected with the top of coaxial inner conductor, and the other end of the first plain conductor, the other end of the second plain conductor are all connected with coaxial outer conductor; N connector is connected with the bottom of coaxial outer conductor.
2. a kind of wideband satellite communication receiving terminal antenna according to claim 1, it is characterized in that, going to the bottom of described plastics frustum is printed on copper sheet, the other end of described the first plain conductor, the other end of the second plain conductor are to be connected with coaxial outer conductor by copper sheet, copper sheet center is circular, coaxial outer conductor is through copper sheet center and contacting with copper sheet, the center of circle symmetry that the other end of the first plain conductor, the other end of the second plain conductor are all gone to the bottom about plastics frustum be arranged at the plastics frustum edge that goes to the bottom.
3. a kind of wideband satellite communication receiving terminal antenna according to claim 1 and 2, is characterized in that, described the first plain conductor, the second plain conductor all adopt copper wire.
4. a kind of wideband satellite communication receiving terminal antenna according to claim 1, is characterized in that, the dielectric constant of described plastics frustum is 2.5 to 3.5.
5. a kind of wideband satellite communication receiving terminal antenna according to claim 2, is characterized in that, described the first plain conductor, the second plain conductor and plastics frustum go to the bottom edge connected mode for welding.
6. a kind of wideband satellite communication receiving terminal antenna according to claim 2, is characterized in that, described copper sheet is fixedly connected with formation short circuit with coaxial outer conductor by screw.
7. a kind of wideband satellite communication receiving terminal antenna according to claim 1, is characterized in that, described N connector is connected by screw with the lower end of coaxial outer conductor.
8. a kind of wideband satellite communication receiving terminal antenna according to claim 1, it is characterized in that, the top of described coaxial outer conductor is also provided with two holes, be respectively the first hole and the second hole, one end of the first plain conductor is connected with the first hole by screw, and one end of the second plain conductor is connected with the top of coaxial inner conductor again through behind the second hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420242225.3U CN203895605U (en) | 2014-05-13 | 2014-05-13 | Broadband satellite communication reception terminal antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420242225.3U CN203895605U (en) | 2014-05-13 | 2014-05-13 | Broadband satellite communication reception terminal antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203895605U true CN203895605U (en) | 2014-10-22 |
Family
ID=51721965
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420242225.3U Expired - Fee Related CN203895605U (en) | 2014-05-13 | 2014-05-13 | Broadband satellite communication reception terminal antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203895605U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104009297A (en) * | 2014-05-13 | 2014-08-27 | 南京信息工程大学 | Broadband satellite communication receiving terminal antenna |
-
2014
- 2014-05-13 CN CN201420242225.3U patent/CN203895605U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104009297A (en) * | 2014-05-13 | 2014-08-27 | 南京信息工程大学 | Broadband satellite communication receiving terminal antenna |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141022 Termination date: 20160513 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |