CN203707332U - Beidou GPS multi-system compatible navigation antenna - Google Patents
Beidou GPS multi-system compatible navigation antenna Download PDFInfo
- Publication number
- CN203707332U CN203707332U CN201420029423.1U CN201420029423U CN203707332U CN 203707332 U CN203707332 U CN 203707332U CN 201420029423 U CN201420029423 U CN 201420029423U CN 203707332 U CN203707332 U CN 203707332U
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- big dipper
- gps
- antenna
- material substrate
- reception antenna
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- 239000000523 sample Substances 0.000 claims abstract description 35
- 239000000463 material Substances 0.000 claims abstract description 30
- 239000000758 substrate Substances 0.000 claims abstract description 30
- DMBHHRLKUKUOEG-UHFFFAOYSA-N diphenylamine Chemical compound C=1C=CC=CC=1NC1=CC=CC=C1 DMBHHRLKUKUOEG-UHFFFAOYSA-N 0.000 claims description 69
- 230000010287 polarization Effects 0.000 claims description 9
- 238000001465 metallisation Methods 0.000 claims description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 238000002955 isolation Methods 0.000 abstract description 7
- 238000011161 development Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000019771 cognition Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
Abstract
The utility model relates to a beidou GPS multi-system compatible navigation antenna comprising three material substrates that are successively stacked. Three SMA heads are arranged at the lower surface of the first material substrate; a beidou first-generation transmitting antenna is arranged at the upper surface of the first material substrate; a bottom-layer feed probe is connected between the first SMA head and the beidou first-generation transmitting antenna; and a connection point between the bottom-layer feed probe and the beidou first-generation transmitting antenna serves as a first feeding point. A beidou first-generation receiving antenna is arranged at the upper surface of the third material substrate; a top-layer feed probe is connected between the third SMA head and the beidou first-generation receiving antenna; and a connection point between the top-layer feed probe and the beidou first-generation receiving antenna serves as a third feeding point. According to the embodiment, multi-frequency band multiplexing is realized and a multi-port isolation problem can be solved simply and conveniently. Multiple frequency bands can be covered and the demand of the multi-system compatible navigation equipment can be satisfied; and the multi-port isolation problem can be effectively solved.
Description
Technical field
The utility model relates to a kind of multiband combined antenna, relates in particular to the combined antenna of a Big Dipper generation, the Big Dipper two generations B1 and GPS L1.
Background technology
World today's main flow satellite navigation system has GPS global satellite system, GLONASS global satellite system, GALILEO global satellite system and Chinese Beidou satellite system, wherein GPS global satellite system occupation rate of market and cognition degree are higher, and terminal industrial chain comparative maturity, in order better to promote the development of Big Dipper industry in conjunction with market, the company of each large navigation both at home and abroad, communication enterprise, colleges and universities etc. are devoted to the Big Dipper, the research of GPS and the associating of multiple navigation system, this just requires radio frequency component and antenna toward the compatible future development of multisystem, the antenna applications of multi-system compatible type is fewer at present, its reason is that the isolation solution between realization and multiple port of multiband not yet improves.
Utility model content
The utility model proposes a kind of embodiment that realizes the multiplexing and easier solution multiport isolation of multiband, not only can cover multiple frequency ranges, meet the demand of multisystem compatible navigation equipment, effectively improved multiport isolation problem simultaneously.
The utility model adopts following scheme to realize: a kind of Big Dipper GPS multisystem compatible navigation antenna, it is characterized in that: comprise first, second and third material substrate stacking gradually, the lower surface of the first described material substrate is provided with first, second and third SMA head, the upper surface of described the first material substrate is provided with a Big Dipper generation transmitting antenna, between a described SMA head and Big Dipper generation transmitting antenna, be connected with bottom feed probes, and the tie point of this bottom feed probes and described Big Dipper generation transmitting antenna is as the first distributing point; The upper surface of the second described material substrate is provided with a Big Dipper two generations B1/GPS reception antenna, between the 2nd described SMA head and the Big Dipper two generations B1/GPS L1 reception antenna, be connected with middle level feed probes, and the tie point of this middle level feed probes and the described Big Dipper two generations B1/GPS L1 reception antenna is as the second distributing point; The upper surface of described the 3rd material substrate is provided with a Big Dipper generation reception antenna, between described Three S's MA head and described Big Dipper generation reception antenna, be connected with top layer feed probes, and the tie point of this top layer feed probes and described Big Dipper generation reception antenna is as the 3rd distributing point.
In the utility model one embodiment, described first, second and third material substrate is all concordant with ground.
In the utility model one embodiment, described Big Dipper generation reception antenna adopts square copper sheet paster as radiating element, and offers groove on this square patch, is loaded with the microstrip line for apex drive in described groove
,to realize the matching properties of antenna.
In the utility model one embodiment, described square patch adopts corner cut perturbation, and to realize circular polarization characteristics, four limits of described square patch, have four identical slot grooves.
In the utility model one embodiment, the described Big Dipper two generations B1/GPS reception antenna adopts the perturbation of triangle corner cut shape to realize right-hand polarization characteristic, and middle is provided with dodges through hole, to avoid feed probes to pass, short circuit phenomenon occurs.
In the utility model one embodiment, described the second distributing point is from the Big Dipper two generations B1/GPS reception antenna center 6mm.
In the utility model one embodiment, described Big Dipper generation transmitting antenna adopts single probe feed, and center arranges and dodges through hole, in four places of decentre one preset distance place symmetry, metallization via hole is all set.
In the utility model one embodiment, this Big Dipper generation transmitting antenna adopts corner cut perturbation to realize left-handed polarization characteristic.
In the utility model one embodiment, it is 2.8mm location hole that described first, second and third material substrate edge is provided with four diameters, is used for being connected fixing this navigation antenna.
The utility model is a kind of embodiment that realizes the multiplexing and easier solution multiport isolation of multiband, not only can cover multiple frequency ranges, meets the demand of multisystem compatible navigation equipment, has effectively improved multiport isolation problem simultaneously.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation.
Fig. 2 is the vertical view of the utility model the 3rd material substrate.
Fig. 3 is the vertical view of the utility model the second material substrate.
Fig. 4 is the vertical view of the utility model the first material substrate.
Fig. 5 is Big Dipper generation L-band return loss plot.
Fig. 6 is Big Dipper generation S-band return loss plot.
Fig. 7 is the Big Dipper two generations B1/GPS L1 wave band return loss plot.
Wherein, 1 is Big Dipper generation reception antenna; 2 is the Big Dipper two generations B1/GPS reception antenna; 3 is Big Dipper generation transmitting antenna; 41 is bottom feed probes; 42 is middle level feed probes; 43 is top layer feed probes; 51 is a SMA head; 52 is the 2nd SMA head; 53 is Three S's MA head; 8 is location hole; 9 is square corner cut; 10 is groove; 11 is microstrip line; 12 is slot groove; 13 is the 3rd distributing point; 14 is through hole; 15 is the second distributing point; 16 is corner cut; 17 is corner cut perturbation; 18 is metallization via hole; 20 is the first distributing point; 21 for dodging through hole.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described further.
Refer to Fig. 1 to Fig. 4, the utility model provides a kind of Big Dipper GPS multisystem compatible navigation antenna, it is characterized in that: comprise stack gradually first, two, three material substrates 71, 72, 73, the lower surface of the first described material substrate 71 is provided with first, two, Three S's MA 51, 52, 53, the upper surface of described the first material substrate 71 is provided with a Big Dipper generation transmitting antenna 3, between a described SMA 51 and Big Dipper generation transmitting antenna 3, be connected with bottom feed probes 41, and the tie point of this bottom feed probes 41 and described Big Dipper generation transmitting antenna 3 is as the first distributing point 20, the upper surface of the second described material substrate 72 is provided with a Big Dipper two generations B1/GPS reception antenna 2, between the 2nd described SMA 52 and the Big Dipper two generations B1/GPS reception antenna 2, be connected with middle level feed probes 42, and this middle level feed probes 42 with the tie point of the described Big Dipper two generations B1/GPS reception antenna 2 as the second distributing point 15, the upper surface of described the 3rd material substrate 73 is provided with a Big Dipper generation reception antenna 1, between described Three S's MA 53 and described Big Dipper generation reception antenna 1, be connected with top layer feed probes 43, and this top layer feed probes 43 with the tie point of described Big Dipper generation reception antenna 1 as the 3rd distributing point 13.
In the present embodiment, this combined antenna all adopts single feedback quadrature excitation, feed mouth is connected to 50 ohm of SMA heads, the probe of SMA head is received respectively on corresponding antenna and is formed distributing point, four arms of angle of three material substrates are respectively equipped with the location hole 8 of 1 diameter 2.8mm, be used for being connected fixing, be beneficial to antenna processing, compactedness is strong and stability is high.。
Please continue referring to Fig. 2, Fig. 2 is that the 3rd material substrate 73(is top layer) vertical view, in figure, Big Dipper generation reception antenna 1 adopts square paster as radiating element, on square copper sheet paster, offer groove 10, and load the matching properties of realizing antenna for the microstrip line 11 of the 3rd distributing point 13 feeds in groove, adopt square corner cut 9 perturbations to realize circular polarization characteristics, on antenna four limits, have four identical slot grooves 12, utilize meander technology, reduce antenna size.
Fig. 3 is the vertical view of the second material substrate (being intermediate layer), in figure, the second distributing point 15 of the Big Dipper two generations B1/GPS reception antenna 2 is at decentre 6mm place, middle level feed probes 42 is through metallization via hole 18, and be provided with through hole 14 in center to dodge top layer probe 43, adopt corner cut 16 perturbations to realize the right-hand polarization characteristic of reception antenna.
Fig. 4 is the vertical view of the first material substrate (being bottom), in figure, Big Dipper generation transmitting antenna 3 has the first distributing point 20, adopt single probe feed, center arranges dodges through hole 21, to dodge top layer probe 43, metallization via hole 18 is all set in four places of decentre 6mm symmetry, is bottom microband paste ground with Big Dipper generation transmitting antenna 3() connect, adopt corner cut perturbation 17 to realize left-handed polarization characteristic.
Refer to Fig. 5, Fig. 6 and Fig. 7, wherein Fig. 5 is Big Dipper generation L-band return loss plot.Fig. 6 is Big Dipper generation S-band return loss plot.Fig. 7 is the Big Dipper two generations B1/GPS L1 wave band return loss plot.In figure, can well react this combined antenna and can transmit and receive Big Dipper generation signal, can receive again the Big Dipper two generations B1 signal and gps signal, meet the demand of many navigation system, realize the Big Dipper and the complementation of GPS navigation system advantage, improve the stability of system.
The above is only preferred implementation of the present utility model; it should be pointed out that for those skilled in the art, do not departing under the prerequisite of the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection category of the present utility model.
Claims (9)
1. a Big Dipper GPS multisystem compatible navigation antenna, it is characterized in that: comprise first, second and third material substrate stacking gradually, the lower surface of the first described material substrate is provided with first, second and third SMA head, the upper surface of described the first material substrate is provided with a Big Dipper generation transmitting antenna, between a described SMA head and Big Dipper generation transmitting antenna, be connected with bottom feed probes, and the tie point of this bottom feed probes and described Big Dipper generation transmitting antenna is as the first distributing point; The upper surface of the second described material substrate is provided with a Big Dipper two generations B1/GPS reception antenna, between the 2nd described SMA head and the Big Dipper two generations B1/GPS L1 reception antenna, be connected with middle level feed probes, and the tie point of this middle level feed probes and the described Big Dipper two generations B1/GPS L1 reception antenna is as the second distributing point; The upper surface of described the 3rd material substrate is provided with a Big Dipper generation reception antenna, between described Three S's MA head and described Big Dipper generation reception antenna, be connected with top layer feed probes, and the tie point of this top layer feed probes and described Big Dipper generation reception antenna is as the 3rd distributing point.
2. Big Dipper GPS multisystem compatible navigation antenna according to claim 1, is characterized in that: described first, second and third material substrate is all concordant with ground.
3. Big Dipper GPS multisystem compatible navigation antenna according to claim 1, it is characterized in that: described Big Dipper generation reception antenna adopts square copper sheet paster as radiating element, and on this square patch, offer groove, in described groove, be loaded with the microstrip line for apex drive
,to realize the matching properties of antenna.
4. Big Dipper GPS multisystem compatible navigation antenna according to claim 3, is characterized in that: described square patch adopts corner cut perturbation, and to realize circular polarization characteristics, four limits of described square patch, have four identical slot grooves.
5. Big Dipper GPS multisystem compatible navigation antenna according to claim 1, it is characterized in that: the described Big Dipper two generations B1/GPS reception antenna adopts the perturbation of triangle corner cut shape to realize right-hand polarization characteristic, middle is provided with dodges through hole, to avoid feed probes to pass, short circuit phenomenon occurs.
6. Big Dipper GPS multisystem compatible navigation antenna according to claim 1, is characterized in that: described the second distributing point is from the Big Dipper two generations B1/GPS reception antenna center 6mm.
7. Big Dipper GPS multisystem compatible navigation antenna according to claim 1, it is characterized in that: described Big Dipper generation transmitting antenna adopts single probe feed, center arranges dodges through hole, four places in decentre one preset distance place symmetry all arrange metallization via hole, and described middle level feed probes is passed through a metallization via hole.
8. Big Dipper GPS multisystem compatible navigation antenna according to claim 1, is characterized in that: this Big Dipper generation transmitting antenna adopts corner cut perturbation to realize left-handed polarization characteristic.
9. Big Dipper GPS multisystem compatible navigation antenna according to claim 1, is characterized in that: it is 2.8mm location hole that described first, second and third material substrate edge is provided with four diameters, is used for being connected fixing this navigation antenna.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420029423.1U CN203707332U (en) | 2014-01-17 | 2014-01-17 | Beidou GPS multi-system compatible navigation antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420029423.1U CN203707332U (en) | 2014-01-17 | 2014-01-17 | Beidou GPS multi-system compatible navigation antenna |
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| Publication Number | Publication Date |
|---|---|
| CN203707332U true CN203707332U (en) | 2014-07-09 |
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| CN201420029423.1U Expired - Lifetime CN203707332U (en) | 2014-01-17 | 2014-01-17 | Beidou GPS multi-system compatible navigation antenna |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103746192A (en) * | 2014-01-17 | 2014-04-23 | 福州福大北斗通信科技有限公司 | First-generation Compass/second-generation Compass B1/GPS (Global Positioning System) multisystem-compatible navigation antenna |
| CN110112583A (en) * | 2019-05-31 | 2019-08-09 | 东莞市兴际通通信技术有限公司 | Multifrequency broad beam antenna device |
| CN110165389A (en) * | 2018-02-13 | 2019-08-23 | 陶格斯集团有限公司 | The three of three feed-ins stack antenna structure |
| US11139550B2 (en) | 2018-01-31 | 2021-10-05 | Taoglas Group Holdings Limited | Stack antenna structures and methods |
| CN113764903A (en) * | 2016-12-14 | 2021-12-07 | 太盟光电科技股份有限公司 | Stack type circular polarized antenna structure |
-
2014
- 2014-01-17 CN CN201420029423.1U patent/CN203707332U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103746192A (en) * | 2014-01-17 | 2014-04-23 | 福州福大北斗通信科技有限公司 | First-generation Compass/second-generation Compass B1/GPS (Global Positioning System) multisystem-compatible navigation antenna |
| CN103746192B (en) * | 2014-01-17 | 2016-05-11 | 福州福大北斗通信科技有限公司 | A Big Dipper generation/Big Dipper two generations B1/GPS multisystem compatible navigation antenna |
| CN113764903A (en) * | 2016-12-14 | 2021-12-07 | 太盟光电科技股份有限公司 | Stack type circular polarized antenna structure |
| US11139550B2 (en) | 2018-01-31 | 2021-10-05 | Taoglas Group Holdings Limited | Stack antenna structures and methods |
| CN110165389A (en) * | 2018-02-13 | 2019-08-23 | 陶格斯集团有限公司 | The three of three feed-ins stack antenna structure |
| CN110112583A (en) * | 2019-05-31 | 2019-08-09 | 东莞市兴际通通信技术有限公司 | Multifrequency broad beam antenna device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: Room 1-406, physics building, 523 Industrial Road, Gulou District, Fujian 350002, Fuzhou, China Patentee after: FUJIAN FUDA BEIDOU COMMUNICATION TECHNOLOGY Co.,Ltd. Address before: 350002, 4 floor, physics North building, 523 Industrial Road, Gulou District, Fujian, Fuzhou Patentee before: FUZHOU FUDA BEIDOU COMMUNICATIONS TECHNOLOGY Co.,Ltd. |
|
| CP03 | Change of name, title or address | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140709 |
|
| CX01 | Expiry of patent term |