CN204947078U - A kind of 3G antenna for Beidou satellite navigation system - Google Patents
A kind of 3G antenna for Beidou satellite navigation system Download PDFInfo
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- CN204947078U CN204947078U CN201520554390.7U CN201520554390U CN204947078U CN 204947078 U CN204947078 U CN 204947078U CN 201520554390 U CN201520554390 U CN 201520554390U CN 204947078 U CN204947078 U CN 204947078U
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Abstract
The utility model discloses a kind of 3G antenna for Beidou satellite navigation system, comprise antenna element, reflecting plate and circuit board; Described antenna element is positioned at reflecting plate upper surface, and circuit board is positioned at radial shield lower surface, and the output of circuit board connects radio-frequency (RF) coaxial line one end, and the radio-frequency (RF) coaxial line other end is connected with jointing.The utility model structure is simple, and reasonable in design, antenna size is less, and production technology is simple, reduces production difficulty, reduces production cost.Can simultaneously receiving satellite signal and 3G signal, assist location can be carried out by NodeB when locating, improving positioning precision.
Description
Technical field
The utility model relates to technical field of satellite navigation, specifically a kind of 3G antenna for Beidou satellite navigation system.
Background technology
Beidou satellite navigation system is global positioning satellite and the communication system of China's independent research.With GPS of America, Russian Ge Luonasi, European Union's Galileo system be called global four large satellite navigation system.At present, these 4 systems are confirmed as GPS (Global Position System) core supplier by the United Nations together.It changes the situation that China lacks high accuracy, in real time positioning means for a long time, break the U.S. and the Russia monopoly position in this field, can be China land, ocean, all kinds of military and civilians that are aerial and space provide multiple business guarantee, especially the modernization of raising China's national defense is had great significance.
China's Beidou satellite navigation system is the GPS (Global Position System) of China's independent research, autonomous operation, can be widely used in the every field of economic society, is the important space information infrastructure that country is building.This system is applied at numerous areas such as mapping, fishery, communications and transportation, telecommunications, water conservancy, forest fire protection, the mitigation disaster relief and national security, creates significant economic benefit and social benefit.
Since dipper system is towards since civilian, there is the hand-hold type Big Dipper terminal of the multiple frequency range of multiple compatibility; And the Big Dipper terminal that a compatible Big Dipper generation is received and dispatched, Beidou II receive frequency comprises such five frequencies of GPS frequency, because compatible frequency causes antenna size larger more, or the difficulty that minification increases making the spacing of cracking of antenna element less in production technology, hinders the broader applications of multifrequency dipper system.Antenna location at present for Beidou satellite navigation system is accurate not, cannot meet required precision in fields such as professional surveying and mappings.
Utility model content
The purpose of this utility model is to provide a kind of 3G antenna for Beidou satellite navigation system, to solve the problem proposed in above-mentioned background technology.
For achieving the above object, the utility model provides following technical scheme:
For a 3G antenna for Beidou satellite navigation system, comprise antenna element, reflecting plate and circuit board; Described antenna element is positioned at reflecting plate upper surface, and circuit board is positioned at reflecting plate lower surface, and the output of circuit board connects radio-frequency (RF) coaxial line one end, and the radio-frequency (RF) coaxial line other end is connected with jointing.
As further program of the utility model: described antenna element comprises four layers of metal level, be followed successively by upper surface metal level, second layer metal layer, third layer metal level and lower surface metal layer from top to bottom; Be provided with upper layer medium substrate between described second layer metal layer and third layer metal level, between third layer metal level and lower surface metal layer, be provided with layer dielectric substrate.
As the utility model further scheme: described upper surface metal level and third layer metal level are provided with two groups eight feedback points, described eight feedback points are uniformly distributed around center of antenna point.
As the utility model further scheme: described third layer metal level and the equal ground connection of lower surface metal layer, third layer metal level is circular metal copper paster, and lower surface metal layer is square-shaped metal copper paster.
Compared with prior art, the beneficial effects of the utility model are: the utility model structure is simple, and reasonable in design, antenna size is less, and production technology is simple, reduces production difficulty, reduces production cost.Can simultaneously receiving satellite signal and 3G signal, assist location can be carried out by NodeB when locating, improving positioning precision.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation of antenna element in the utility model.
In figure: 1-antenna element, 10-upper surface metal level, 11-upper layer medium substrate, 12-second layer metal layer, 13-third layer metal level, 14-layer dielectric substrate, 15-lower surface metal layer, 2-reflecting plate, 3-circuit board, 4-radio-frequency (RF) coaxial line, 5-jointing.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Refer to Fig. 1 ~ 2, a kind of 3G antenna for Beidou satellite navigation system, comprises antenna element 1, reflecting plate 2 and circuit board 3; Described antenna element 1 is positioned at reflecting plate 2 upper surface, and circuit board 3 is positioned at reflecting plate 2 lower surface, and the output of circuit board 3 connects radio-frequency (RF) coaxial line 4 one end, and radio-frequency (RF) coaxial line 4 other end is connected with jointing 5.
Further, antenna element 1 described in the utility model comprises four layers of metal level, is followed successively by upper surface metal level 10, second layer metal layer 12, third layer metal level 13 and lower surface metal layer 15 from top to bottom; Be provided with upper layer medium substrate 11 between described second layer metal layer 12 and third layer metal level 13, between third layer metal level 13 and lower surface metal layer 15, be provided with layer dielectric substrate 14.
Further, upper surface metal level 10 described in the utility model and third layer metal level 13 are provided with two groups eight feedback points, and described eight feedbacks point is uniformly distributed around center of antenna point.
Further, third layer metal level 13 described in the utility model and lower surface metal layer 15 all ground connection, third layer metal level 13 is circular metal copper paster, and lower surface metal layer 15 is square-shaped metal copper paster.
The utility model coordinates and loads low noise amplifier and use, can the high-quality signal of stable output.Meet wider band designs demand, comprise and be not limited only to the system-satellite such as GPS, Big Dipper frequency range and mobile phone 3G frequency range.
To those skilled in the art, obvious the utility model is not limited to the details of above-mentioned one exemplary embodiment, and when not deviating from spirit of the present utility model or essential characteristic, can realize the utility model in other specific forms.Therefore, no matter from which point, all should embodiment be regarded as exemplary, and be nonrestrictive, scope of the present utility model is limited by claims instead of above-mentioned explanation, and all changes be therefore intended in the implication of the equivalency by dropping on claim and scope are included in the utility model.Any Reference numeral in claim should be considered as the claim involved by limiting.
In addition, be to be understood that, although this specification is described according to execution mode, but not each execution mode only comprises an independently technical scheme, this narrating mode of specification is only for clarity sake, those skilled in the art should by specification integrally, and the technical scheme in each embodiment also through appropriately combined, can form other execution modes that it will be appreciated by those skilled in the art that.
Claims (4)
1., for a 3G antenna for Beidou satellite navigation system, comprise antenna element (1), reflecting plate (2) and circuit board (3); It is characterized in that: described antenna element (1) is positioned at reflecting plate (2) upper surface, circuit board (3) is positioned at reflecting plate (2) lower surface, the output of circuit board (3) connects radio-frequency (RF) coaxial line (4) one end, and radio-frequency (RF) coaxial line (4) other end is connected with jointing (5).
2. the 3G antenna for Beidou satellite navigation system according to claim 1, it is characterized in that: described antenna element (1) comprises four layers of metal level, be followed successively by upper surface metal level (10), second layer metal layer (12), third layer metal level (13) and lower surface metal layer (15) from top to bottom; Be provided with upper layer medium substrate (11) between described second layer metal layer (12) and third layer metal level (13), between third layer metal level (13) and lower surface metal layer (15), be provided with layer dielectric substrate (14).
3. the 3G antenna for Beidou satellite navigation system according to claim 2, it is characterized in that: described upper surface metal level (10) and third layer metal level (13) are provided with two groups eight feedback points, described eight feedbacks point is uniformly distributed around center of antenna point.
4. the 3G antenna for Beidou satellite navigation system according to claim 2, it is characterized in that: described third layer metal level (13) and lower surface metal layer (15) all ground connection, third layer metal level (13) is circular metal copper paster, and lower surface metal layer (15) is square-shaped metal copper paster.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520554390.7U CN204947078U (en) | 2015-07-28 | 2015-07-28 | A kind of 3G antenna for Beidou satellite navigation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520554390.7U CN204947078U (en) | 2015-07-28 | 2015-07-28 | A kind of 3G antenna for Beidou satellite navigation system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204947078U true CN204947078U (en) | 2016-01-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520554390.7U Expired - Fee Related CN204947078U (en) | 2015-07-28 | 2015-07-28 | A kind of 3G antenna for Beidou satellite navigation system |
Country Status (1)
| Country | Link |
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| CN (1) | CN204947078U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI695592B (en) * | 2019-03-27 | 2020-06-01 | 啟碁科技股份有限公司 | Wireless device |
-
2015
- 2015-07-28 CN CN201520554390.7U patent/CN204947078U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI695592B (en) * | 2019-03-27 | 2020-06-01 | 啟碁科技股份有限公司 | Wireless device |
| US10784566B1 (en) | 2019-03-27 | 2020-09-22 | Wistron Neweb Corporation | Wireless device |
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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: 20160106 Termination date: 20200728 |
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| CF01 | Termination of patent right due to non-payment of annual fee |