CN205016671U - Navigational route type positioning antenna - Google Patents
Navigational route type positioning antenna Download PDFInfo
- Publication number
- CN205016671U CN205016671U CN201520657991.0U CN201520657991U CN205016671U CN 205016671 U CN205016671 U CN 205016671U CN 201520657991 U CN201520657991 U CN 201520657991U CN 205016671 U CN205016671 U CN 205016671U
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- CN
- China
- Prior art keywords
- paster
- radiation appliance
- coaxial probe
- route type
- navigational route
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- Expired - Fee Related
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Abstract
The utility model discloses a navigational route type positioning antenna, including radiation appliance, radiation appliance is the multilayer lamellar structure, and the multilayer lamellar structure passes through coaxial probe and be connected with the ground plate, and the area of multilayer lamellar structure is steadilyd decrease under to by last in proper order, ground plate and SMA articulate are passed to coaxial probe's rear end, radiation appliance's up end is equipped with the silver coating layer who is used for receiving and sends the electromagnetic wave signal, and coaxial probe's front end constitutes the distributing point on the silver coating layer surface, upper strata paster, middle level paster and lower floor's paster are square configuration, the top of every laminating piece feed contact pin pole is reduced under to by last to the distance of fixed pin in proper order. The utility model discloses a three -layer square stratiform paster sets up, guarantees that low elevation searches the star reception, still can normally work sheltering from more serious occasion.
Description
Technical field
The utility model relates to communication location and installation technical field, particularly relates to a kind of navigational route type positioning antenna.
Background technology
At present, the engineering systems such as radio communication, broadcast, TV, radar, navigation, electronic countermeasures, remote sensing, radio astronomy, every electromagnetic wave that utilizes carrys out transmission of information, all relies on antenna to carry out work.In addition, transmitting in energy with electromagnetic wave, the energy emission of non-signal also needs antenna.The electromagnetic wave energy of the radio signal that satellite can send by navigator is transformed into the electric current that receiver electronic device can obtain application, Received signal strength just must use navigational route type antenna, its size and shape is very important, because these characteristics determined antenna obtains the ability of faint framing signal.Compared with other antenna, navigational route type antenna many employings passive structures, although gain decreases compared with active antenna, greatly reduces volume, coordinates flat structure to greatly reduce the size of receiver.But the navigation antenna of this structure is also with the problem of serving, the reduction of launch loss and gain constrains it and applies on a large scale.Especially at military technological field, the reduction of navigation status antenna to structure size and loss and gain has high-level requirement.
Utility model content
The purpose of this utility model is to provide a kind of navigational route type positioning antenna, provides the novel navigational route type antenna that little, the low reflection loss of a kind of size, axial ratio are little, gain is high.
The technical solution adopted in the utility model is:
A kind of navigational route type positioning antenna, comprise radiation appliance, described radiation appliance is multilayer laminar structure, and multilayer laminar structure is connected with ground plate by coaxial probe, and the area of multilayer laminar structure successively decreases from top to bottom successively; The rear end of described coaxial probe is connected with sub-miniature A connector through ground plate; The upper surface of described radiation appliance is provided with for the silver coating received with send electromagnetic wave signal, and the front end of coaxial probe forms distributing point on silver coating surface, and described upper strata paster, middle level paster and lower floor's paster are square structure; The top of described every laminating sheet feed pin bar reduces from top to bottom successively to the distance of fixing pin.
Described multilayer laminar structure comprises the upper strata paster, middle level paster and the lower floor's paster that stack successively from top to bottom, and the central point of described upper strata paster, middle level paster and lower floor's paster aligns mutually, described central point is plugged with fixing pin and positions.
On described every laminating sheet, equal correspondence is provided with four feed pin bars; Four equal one end of feed pin bar that every laminating sheet is corresponding are vertically plugged on described laminating sheet, and the other end is through described layer lower floor paster; And every layer of corresponding four feed pin bar are uniformly distributed around the central point of described upper strata paster, and differ 90 degree between the electrical degree of adjacent two feed pin bars.
The material of described radiation appliance is pottery.
Described every laminating sheet includes top-level metallic paster, middle dielectric layer and underlying metal paster.
Radiation appliance of the present utility model adopts ceramic material, thus can reduce the size of whole antenna greatly.In addition, coaxial probe passes perpendicularly through ceramic dielectric, and the dielectric constant of medium is larger, and resonance efficiency is higher, and electromagnetic reception is better.Excellent EMC Design, ensure that can have higher signal to noise ratio at the electromagnetism natural environment of complexity, can normally work under strong radar signal; The upper surface of the radiation appliance of ceramic material is brushed with argent coating as radiating element, effectively can transmit and receive radio magnetic wave.The utility model is arranged by three layers of square stratiform paster, ensures that star reception is searched at the low elevation angle, still can normally work blocking more serious occasion.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is plan structure schematic diagram of the present utility model.
Embodiment
As illustrated in fig. 1 and 2, a kind of navigational route type positioning antenna, comprises radiation appliance, and described radiation appliance is multilayer laminar structure, and multilayer laminar structure is connected with ground plate 3 by coaxial probe, and the area of multilayer laminar structure successively decreases from top to bottom successively; The rear end of described coaxial probe is connected with sub-miniature A connector 12 through ground plate 3; The upper surface of described radiation appliance is provided with for the silver coating 11 received with send electromagnetic wave signal, and the front end of coaxial probe 8 forms distributing point on silver coating surface.Layer structure can adopt the reception of multiple frequency band signals, and volume can not be made excessive.
Described multilayer laminar structure comprises the upper strata paster 6, middle level paster 5 and the lower floor's paster 4 that stack successively from top to bottom, the central point of described upper strata paster 6, middle level paster 5 and lower floor's paster 4 aligns mutually, described central point is plugged with fixing pin 8 and positions.The top of described every laminating sheet feed pin bar reduces from top to bottom successively to the distance of fixing pin 8, and separate work between the feed pin bar that can keep each phase place, reduces interference.Described every laminating sheet includes top-level metallic paster, middle dielectric layer and underlying metal paster.Described silver coating 11 edge is square-wave-shaped, the upper and lower and left and right equal correspondence of the square-wave form of every layer of patch edges, and then the reception of signal also can be made to reach maximization, and signal is upset and is reduced to minimum.
On described every laminating sheet, equal correspondence is provided with four feed pin bars; Four equal one end of feed pin bar that every laminating sheet is corresponding are vertically plugged on described laminating sheet, and the other end is through described layer lower floor paster; And every layer of corresponding four feed pin bar are uniformly distributed around the central point of described upper strata paster, and differ 90 degree between the electrical degree of adjacent two feed pin bars.
Described upper strata paster 6, middle level paster 5 and lower floor's paster 4 are square structure.Ensure that this navigational route type antenna is symmetrical consistent to reach resonance on XY direction, evenly receive the effect of star.
The material of described radiation appliance is pottery.The high-k that pottery has, can reduce the size of whole antenna greatly.
Described silver coating 11 edge is square-wave-shaped, the upper and lower and left and right equal correspondence of the square-wave form of every layer of patch edges, and then the reception of signal also can be made to reach maximization, and signal is upset and is reduced to minimum.
And adopted bolt and be fixed installation through the via hole of upper strata paster and the via hole of lower floor's paster.The utility model is fixed installation by bolt to every laminating sheet, also can be undertaken fastening by bonding, simplify the packaging technology of upper and lower laminating sheet on the whole.
What the utility model embodiment provided can improve in GPS (Global Position System) GPS, the Big Dipper and GLONASS multiband aerial Phase center stability, three can be three different frequency ranges, also can be same frequency range, can be again two each and every one different frequency ranges, arrange according to use needs, the coaxial probe of different frequency range, thus while making this product meet existing location requirement, increase accuracy.The utility model stack design reduces multipath effect simultaneously, reduces axial ratio, and reduces processing and assembling difficulty to greatest extent.The phase center of antenna can not change along with moving of antenna, in wide range, receive circularly polarised wave, eliminates ionospheric interference, improves certainty of measurement.
After radio magnetic wave signal is received by silver coating 11, radiation appliance produces resonance, coaxial probe collects resonance signal by distributing point from silver coating 11, and this resonance signal is passed to sub-miniature A connector 12, sub-miniature A connector 12 connects rear end receiving element and carries out follow-up information processing, finally realizes the overall process that radio magnetic wave receives.
Above embodiment is not limited only to protection range of the present utility model, all modify based on basic thought of the present utility model or change all belong to protection range of the present utility model.
Claims (4)
1. a navigational route type positioning antenna, comprises radiation appliance, it is characterized in that: described radiation appliance is multilayer laminar structure, and multilayer laminar structure is connected with ground plate by coaxial probe, and the area of multilayer laminar structure successively decreases from top to bottom successively; The rear end of described coaxial probe is connected with sub-miniature A connector through ground plate; The upper surface of described radiation appliance is provided with for the silver coating received with send electromagnetic wave signal, the front end of coaxial probe forms distributing point on silver coating surface, and described multilayer laminar structure comprises the upper strata paster, middle level paster and the lower floor's paster that stack successively from top to bottom; The central point of described upper strata paster, middle level paster and lower floor's paster aligns mutually, described central point is plugged with fixing pin and positions; Described upper strata paster, middle level paster and lower floor's paster are square structure; The top of described every laminating sheet feed pin bar reduces from top to bottom successively to the distance of fixing pin.
2. navigational route type positioning antenna as claimed in claim 1, is characterized in that: on described every laminating sheet, equal correspondence is provided with four feed pin bars; Four equal one end of feed pin bar that every laminating sheet is corresponding are vertically plugged on described laminating sheet, and the other end is through lower floor's paster of described layer; And every layer of corresponding four feed pin bar are uniformly distributed around the central point of described upper strata paster, and differ 90 degree between the electrical degree of adjacent two feed pin bars.
3. navigational route type positioning antenna as claimed in claim 2, is characterized in that: the material of described radiation appliance is pottery.
4. the navigational route type positioning antenna as described in any one of claims 1 to 3, is characterized in that, described every laminating sheet includes top-level metallic paster, middle dielectric layer and underlying metal paster.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520657991.0U CN205016671U (en) | 2015-08-28 | 2015-08-28 | Navigational route type positioning antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520657991.0U CN205016671U (en) | 2015-08-28 | 2015-08-28 | Navigational route type positioning antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205016671U true CN205016671U (en) | 2016-02-03 |
Family
ID=55215257
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520657991.0U Expired - Fee Related CN205016671U (en) | 2015-08-28 | 2015-08-28 | Navigational route type positioning antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205016671U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109698405A (en) * | 2018-12-27 | 2019-04-30 | 上海华测导航技术股份有限公司 | A kind of high front and back is than broad beam two-band high-accuracy satellite navigation antenna |
-
2015
- 2015-08-28 CN CN201520657991.0U patent/CN205016671U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109698405A (en) * | 2018-12-27 | 2019-04-30 | 上海华测导航技术股份有限公司 | A kind of high front and back is than broad beam two-band high-accuracy satellite navigation antenna |
| CN109698405B (en) * | 2018-12-27 | 2021-01-12 | 上海华测导航技术股份有限公司 | High-front-to-back ratio wide-beam dual-band high-precision satellite navigation 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: 20160203 Termination date: 20190828 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |