CN205543211U - Multifrequency high precision measurement satellite navigation antenna device - Google Patents
Multifrequency high precision measurement satellite navigation antenna device Download PDFInfo
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- CN205543211U CN205543211U CN201620034503.5U CN201620034503U CN205543211U CN 205543211 U CN205543211 U CN 205543211U CN 201620034503 U CN201620034503 U CN 201620034503U CN 205543211 U CN205543211 U CN 205543211U
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Abstract
The utility model discloses a multifrequency high precision measurement satellite navigation antenna device adopts four current feeding systems of quadrature, mainly moves looks feed network, high band by reflecting plate, low -frequency range dielectric layer, low -frequency range radiating surface, high band dielectric layer, high band radiating surface, low -frequency range and moves looks feed network, low noise amplifier circuit, lightning protection circuit, shield cover and constitute. Low -frequency range dielectric layer, low -frequency range radiating surface, high band dielectric layer and high band radiating surface pass through set screw to be connected on the reflecting plate, adopts bilayer structure, and the low frequency radiating surface is located under the high frequency dielectric layer. During high band (phase) shift feed network, low -frequency range (phase) shift feed network are connected to low noise amplifier circuit, and high band (phase) shift feed network, low -frequency range (phase) shift feed network, low noise amplifier circuit are located between shield cover and the reflecting plate. Can receive four kinds of satellite navigation system's of the big dipper, GPS, GLONASS and GALILEO satellite broadcasting signal simultaneously to realize the compatible work of multisystem, the antenna phase center stability is less than 2mm moreover.
Description
Technical field
This utility model relates to field of antenna, particularly relates to a kind of multifrequency high-acruracy survey satellite navigation aerial device.
Background technology
Antenna, as one of most important parts of satellite navigation system, directly affects the performance of satellite navigation system.In One-Point Location solution process, the aeronautical satellite quantity that can utilize is the most, and obtained resolving quantity of information is the biggest, then calculation accuracy is the highest.So, high accuracy navigation certainty of measurement is closely bound up with the quantity receiving satellite navigation broadcast singal.The existing Big Dipper, tetra-satellite navigation systems of GPS, GLONASS and GALILEO, the satellite-signal that receiver can use gets more and more, but it is intended to multiple antenna and could receive the signal of four navigation system simultaneously, can not meet far away high-precision application, and the Phase center stability that the relative position difference of multiple antenna can cause antenna changes the most greatly, has influence on positioning precision.
Summary of the invention
This utility model provides a kind of multifrequency high-acruracy survey satellite navigation aerial device, use orthogonal four feeding classifications, mainly it is made up of reflecting plate, low-frequency range dielectric layer, low-frequency range radiating surface, high band dielectric layer, high band radiating surface, low-frequency range phase shift feeding network, high band phase shift feeding network, low noise amplifier circuit, lightning protection circuit, radome and reflecting plate, the Big Dipper, the satellite broadcast signal of tetra-kinds of satellite navigation systems of GPS, GLONASS and GALILEO can be received simultaneously, thus realize multisystem compatible operations, and antenna phase center degree of stability is less than 2mm.
For reaching this purpose, the present invention by the following technical solutions:
A kind of multifrequency high-acruracy survey satellite navigation aerial device, it is primarily characterized in that: this multifrequency high-acruracy survey satellite navigation aerial device uses orthogonal four feeding classifications, is mainly made up of reflecting plate, low-frequency range dielectric layer, low-frequency range radiating surface, high band dielectric layer, high band radiating surface, low-frequency range phase shift feeding network, high band phase shift feeding network, low noise amplifier circuit, lightning protection circuit, radome and reflecting plate；Described low-frequency range dielectric layer, low-frequency range radiating surface, high band dielectric layer and high band radiating surface are connected on reflecting plate by fixing screw, and described low-frequency range radiating surface is positioned under frequency dielectric layer；Described high band radiating surface is connected to high band phase shift feeding network by feed screw, and low-frequency range radiating surface is connected to low-frequency range phase shift feeding network by feed screw；Described high band phase shift feeding network, low-frequency range phase shift feeding network are connected in low noise amplifier circuit, and high band phase shift feeding network, low-frequency range phase shift feeding network, low noise amplifier circuit are between radome and reflecting plate.
Wherein, described low-frequency range radiating surface and high band radiating surface are circular, and without fine setting resonant section.
Wherein, described low-frequency range phase shift feeding network, it is made up of feeding network D, feeding network E, feeding network F, low-frequency range amplifying circuit and two isometric microstrip lines；Feed screw connects feeding network D, the input port of feeding network E respectively, two input ports that feeding network D, the output signal of feeding network E connect feeding network F by isometric microstrip line respectively connect, and are finally connected low-frequency range input amplifier mouth by the output port of feeding network F.
Wherein, described high band phase shift feeding network, it is made up of feeding network A, feeding network B, feeding network C, high band amplifying circuit and two equal microstrip lines；Feed screw connects feeding network A, the input port of feeding network B respectively, feeding network A, the output signal of feeding network B pass through isometric microstrip line respectively, two input ports connecting feeding network C the most respectively connect, and are finally connected high band input amplifier mouth by the output port of feeding network C.
Wherein, described low noise amplifier circuit includes high band first order band filter, high band first order low noise amplification pipe, high band second level band filter, high band second level low noise amplification pipe, low-frequency range first order band filter, low-frequency range first order low noise amplification pipe, low-frequency range second level band filter, low-frequency range second level low noise amplification pipe, conjunction road network, conjunction road port low noise amplification pipe.
Wherein, described lightning protection circuit is connected with feed screw, is avoided that low noise amplifier circuit is burnt by the surge current that outdoor thunder and lightning causes.
Beneficial effects of the present invention: a kind of multifrequency high-acruracy survey satellite navigation aerial device, the Big Dipper, the satellite broadcast signal of tetra-kinds of satellite navigation systems of GPS, GLONASS and GALILEO can be received simultaneously, thus realize multisystem compatible operations, and antenna phase center degree of stability is less than 2mm.
Accompanying drawing explanation
Fig. 1 is the structure sectional view of this utility model embodiment
Fig. 2 is the structure top view of this utility model embodiment
Fig. 3 is the structure upward view of this utility model embodiment
Fig. 4 is the high band phase shift feed network structures figure of this utility model embodiment
Fig. 5 is the low-frequency range phase shift feed network structures figure of this utility model embodiment
Fig. 6 is the amplification circuit structure figure of this utility model embodiment
Fig. 7 is the low-band gain simulation result figure of this utility model embodiment
Fig. 8 is the high-band gain simulation result figure of this utility model embodiment
Fig. 9 is that the low-frequency range axle of this utility model embodiment is than simulation result figure
Figure 10 is that the high band axle of this utility model embodiment is than simulation result figure
Figure 11 is the high band phase center error simulation result figure of this utility model embodiment
Figure 12 is the low-frequency range phase center error simulation result figure of this utility model embodiment
Detailed description of the invention
With detailed description of the invention, a kind of multifrequency high-acruracy survey satellite navigation aerial device of the present utility model is described in further detail below in conjunction with the accompanying drawings.
As shown in Fig. 1-6 embodiment, this multifrequency high-acruracy survey satellite navigation aerial device uses orthogonal four feeding classifications, is mainly made up of reflecting plate 1, low-frequency range dielectric layer 2, low-frequency range radiating surface 7, high band dielectric layer 3, high band radiating surface 16, low-frequency range phase shift feeding network 200, high band phase shift feeding network 100, low noise amplifier circuit 80, lightning protection circuit 72, radome 20；Described low-frequency range dielectric layer 2, low-frequency range radiating surface 7, high band dielectric layer 3 and high band radiating surface 16 are connected on reflecting plate 1 by fixing screw 15, and described low-frequency range radiating surface 7 is positioned under frequency dielectric layer 3；Fixing screw 15 is symmetrically evenly distributed to justify center, and fixing screw 15 is low dielectric constant and low loss material.Described high band radiating surface 16 is connected to high band phase shift feeding network 100 by four feed screws 6, and low-frequency range radiating surface 7 is connected to low-frequency range phase shift feeding network 200 by four feed screws 6；Described high band phase shift feeding network 100, low-frequency range phase shift feeding network 200 are connected in low noise amplifier circuit 80, and high band phase shift feeding network 100, low-frequency range phase shift feeding network 200, low noise amplifier circuit position 80 are between radome 20 and reflecting plate 1.Described low-frequency range radiating surface 7 and high band radiating surface 16 are circular, and without fine setting resonant section.
As shown in Figure 2, in utility model embodiment, around reflecting plate 1, there is position, integrated installation hole 20, and be evenly distributed on reflecting plate 1, it is simple to multifrequency high-acruracy survey satellite navigation aerial is integrated with receiver.Welding cable line 21 on reflecting plate 1, cable 21 is provided with plug 22.As shown in Figure 4, high band phase shift feeding network 100 is made up of feeding network A30, feeding network B33, feeding network C25 and isometric microstrip line (32,29)；The isolated port 36 of feeding network A30, the isolated port 39 of feeding network B33, the matching connection load (35 respectively of the isolated port 24 of feeding network C25, 38, 23), high band phase shift feeding network 100 4 feed screw 6 connects feeding network A30 respectively, the input port of feeding network B33, feeding network A30, the output signal of feeding network B33 is respectively by isometric microstrip line (32, 29), two input ports connecting feeding network C25 the most respectively connect, finally connected high band input amplifier mouth 44 by the output port 54 of feeding network C.
As shown in Figure 5, low-frequency range phase shift feeding network 200 is connected matched load (53,56,41) respectively by feeding network D48, feeding network E51, feeding network F43 and isometric microstrip line (47,50) and the isolated port 54 of feeding network D48, the isolated port 57 of feeding network E51, the isolated port of feeding network F43.Four feed screws 6 of low-frequency range connect feeding network D48, the input port of feeding network E51 respectively, then are connected to feeding network F43 output port 45 by isometric microstrip line (47,50) respectively.
As shown in Figure 6, low noise amplifier circuit 80 includes low-frequency range first order band filter 60, low-frequency range first order low noise amplification pipe 61, low-frequency range second level band filter 62, low-frequency range second level low noise amplification pipe 63, feed screw 6, high band first order band filter 65, high band first order low noise amplification pipe 66, high band second level band filter 67, high band second level low noise amplification pipe 68, conjunction road network 69, conjunction road low noise amplification pipe 70, lightning protection network 72.
If Fig. 7 is low-band gain simulation result figure, gain and three dB bandwidth are relatively good.
If Fig. 8 is high-band gain simulation result figure, gain and three dB bandwidth are relatively good.
As Fig. 9 be low-frequency range axle than simulation result figure, there is excellent circular polarisation performance.
As Figure 10 be high band axle than simulation result figure, there is excellent circular polarisation performance.
If Figure 11 is high band phase center error simulation result figure, phase center error is less than 3 °, and Phase center stability is less than 1.6mm.
If Figure 12 is low-frequency range phase center error simulation result figure, phase center error is less than 2.5 °, and Phase center stability is less than 1.7mm.
A kind of multifrequency high-acruracy survey satellite navigation aerial device, can receive the Big Dipper, the satellite broadcast signal of tetra-kinds of satellite navigation systems of GPS, GLONASS and GALILEO simultaneously, thus realize multisystem compatible operations, and antenna phase center degree of stability is less than 2mm.
Embodiment is only to be described preferred implementation of the present utility model; not rights protection scope of the present utility model is defined; on the premise of without departing from this utility model design spirit; various deformation that the technical solution of the utility model is made by those of ordinary skill in the art and improvement, all should fall in the protection domain that this utility model claims determine.
Claims (6)
1. a multifrequency high-acruracy survey satellite navigation aerial device, it is primarily characterized in that: this multifrequency high-acruracy survey satellite navigation aerial device uses orthogonal four feeding classifications, is mainly made up of reflecting plate, low-frequency range dielectric layer, low-frequency range radiating surface, high band dielectric layer, high band radiating surface, low-frequency range phase shift feeding network, high band phase shift feeding network, low noise amplifier circuit, lightning protection circuit, radome；Described low-frequency range dielectric layer, low-frequency range radiating surface, high band dielectric layer and high band radiating surface are connected on reflecting plate by fixing screw, and described low-frequency range radiating surface is positioned under frequency dielectric layer；Described high band radiating surface is connected to high band phase shift feeding network by feed screw, and low-frequency range radiating surface is connected to low-frequency range phase shift feeding network by feed screw；Described high band phase shift feeding network, low-frequency range phase shift feeding network are connected in low noise amplifier circuit, and high band phase shift feeding network, low-frequency range phase shift feeding network, low noise amplifier circuit are between radome and reflecting plate.
A kind of multifrequency high-acruracy survey satellite navigation aerial device the most according to claim 1, it is characterised in that: described low-frequency range radiating surface and high band radiating surface are circular, and without fine setting resonant section.
A kind of multifrequency high-acruracy survey satellite navigation aerial device the most according to claim 1, it is characterized in that: described low-frequency range phase shift feeding network, be made up of feeding network D, feeding network E, feeding network F, low-frequency range amplifying circuit and two isometric microstrip lines；Feed screw connects feeding network D, the input port of feeding network E respectively, two input ports that feeding network D, the output signal of feeding network E connect feeding network F by isometric microstrip line respectively connect, and are finally connected low-frequency range input amplifier mouth by the output port of feeding network F.
A kind of multifrequency high-acruracy survey satellite navigation aerial device the most according to claim 1, it is characterized in that: described high band phase shift feeding network, be made up of feeding network A, feeding network B, feeding network C, high band amplifying circuit and two equal microstrip lines；Feed screw connects feeding network A, the input port of feeding network B respectively, feeding network A, the output signal of feeding network B pass through isometric microstrip line respectively, two input ports connecting feeding network C the most respectively connect, and are finally connected high band input amplifier mouth by the output port of feeding network C.
A kind of multifrequency high-acruracy survey satellite navigation aerial device the most according to claim 1, it is characterized in that: described low noise amplifier circuit includes high band first order band filter, high band first order low noise amplification pipe, high band second level band filter, high band second level low noise amplification pipe, low-frequency range first order band filter, low-frequency range first order low noise amplification pipe, low-frequency range second level band filter, low-frequency range second level low noise amplification pipe, conjunction road network, conjunction road port low noise amplification pipe.
A kind of multifrequency high-acruracy survey satellite navigation aerial device the most according to claim 1, it is characterised in that: described lightning protection circuit is connected with feed screw, is avoided that low noise amplifier circuit is burnt by the surge current that outdoor thunder and lightning causes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620034503.5U CN205543211U (en) | 2016-01-13 | 2016-01-13 | Multifrequency high precision measurement satellite navigation antenna device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620034503.5U CN205543211U (en) | 2016-01-13 | 2016-01-13 | Multifrequency high precision measurement satellite navigation antenna device |
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| CN205543211U true CN205543211U (en) | 2016-08-31 |
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| CN201620034503.5U Ceased CN205543211U (en) | 2016-01-13 | 2016-01-13 | Multifrequency high precision measurement satellite navigation antenna device |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108987904A (en) * | 2018-07-18 | 2018-12-11 | 西安圣佳禾科技有限公司 | A kind of Bei Dou &GPS multifrequency antenna |
| CN109713429A (en) * | 2018-12-27 | 2019-05-03 | 上海华测导航技术股份有限公司 | A kind of capacitive coupling broadband satellite navigation antenna |
| CN112397881A (en) * | 2020-09-30 | 2021-02-23 | 北京空间飞行器总体设计部 | GNSS antenna suitable for high orbit satellite orbit determination |
| CN112768917A (en) * | 2020-12-30 | 2021-05-07 | 上海海积信息科技股份有限公司 | Positioning communication antenna |
| CN112993552A (en) * | 2021-02-10 | 2021-06-18 | 西南电子技术研究所（中国电子科技集团公司第十研究所） | Dual-frequency phase-stabilizing conformal Beidou satellite antenna |
| CN114094320A (en) * | 2021-11-24 | 2022-02-25 | 上海海积信息科技股份有限公司 | GNSS antenna and combined antenna |
-
2016
- 2016-01-13 CN CN201620034503.5U patent/CN205543211U/en not_active Ceased
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108987904A (en) * | 2018-07-18 | 2018-12-11 | 西安圣佳禾科技有限公司 | A kind of Bei Dou &GPS multifrequency antenna |
| CN109713429A (en) * | 2018-12-27 | 2019-05-03 | 上海华测导航技术股份有限公司 | A kind of capacitive coupling broadband satellite navigation antenna |
| CN112397881A (en) * | 2020-09-30 | 2021-02-23 | 北京空间飞行器总体设计部 | GNSS antenna suitable for high orbit satellite orbit determination |
| CN112397881B (en) * | 2020-09-30 | 2024-03-26 | 北京空间飞行器总体设计部 | GNSS antenna suitable for high orbit satellite orbit determination |
| CN112768917A (en) * | 2020-12-30 | 2021-05-07 | 上海海积信息科技股份有限公司 | Positioning communication antenna |
| CN112768917B (en) * | 2020-12-30 | 2021-10-08 | 上海海积信息科技股份有限公司 | Positioning communication antenna |
| CN112993552A (en) * | 2021-02-10 | 2021-06-18 | 西南电子技术研究所（中国电子科技集团公司第十研究所） | Dual-frequency phase-stabilizing conformal Beidou satellite antenna |
| CN114094320A (en) * | 2021-11-24 | 2022-02-25 | 上海海积信息科技股份有限公司 | GNSS antenna and combined antenna |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| IW01 | Full invalidation of patent right |
Decision date of declaring invalidation: 20180322 Decision number of declaring invalidation: 35240 Granted publication date: 20160831 |
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| IW01 | Full invalidation of patent right |