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CN202905949U - Wideband satellite communication antenna structure - Google Patents

Wideband satellite communication antenna structure Download PDF

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Publication number
CN202905949U
CN202905949U CN 201220609112 CN201220609112U CN202905949U CN 202905949 U CN202905949 U CN 202905949U CN 201220609112 CN201220609112 CN 201220609112 CN 201220609112 U CN201220609112 U CN 201220609112U CN 202905949 U CN202905949 U CN 202905949U
Authority
CN
China
Prior art keywords
metallic cavity
metal cavity
satellite communication
plate
square hole
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.)
Expired - Fee Related
Application number
CN 201220609112
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Chinese (zh)
Inventor
臧建文
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Xi'an Duohe Mechanical And Electrical Engineering Co Ltd
Original Assignee
Xi'an Duohe Mechanical And Electrical Engineering Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Xi'an Duohe Mechanical And Electrical Engineering Co Ltd filed Critical Xi'an Duohe Mechanical And Electrical Engineering Co Ltd
Priority to CN 201220609112 priority Critical patent/CN202905949U/en
Application granted granted Critical
Publication of CN202905949U publication Critical patent/CN202905949U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model relates to the field of antenna technology, and particularly relates to a wideband satellite communication antenna structure. The technical scheme adopted by the utility model is as follows: the wideband satellite communication antenna structure comprises a loaded microstrip plate; a first metal cavity is below the loaded microstrip plate; more than one square hole is arranged on the first metal cavity; a horizontally-polarized feeder microstrip plate is arranged below the first metal cavity; a second metal cavity is arranged below the horizontally-polarized feeder microstrip plate; a vertically- polarized microstrip plate is arranged below the second metal cavity body; a third metal cavity is arranged below the vertically- polarized microstrip plate; more than one square hole is arranged on the third metal cavity; and the first metal cavity, the second metal cavity and the third metal cavity are all in a hollow structure. The wideband satellite communication antenna structure has the first beneficial effect that the antenna adopts a hierarchical layout, and two kinds of polarized feeder network are separated via three kinds of metal cavities, thereby reducing coupling phenomena between the two kinds of polarization, and solving the problem of complicated network layout; and the second beneficial effect that the working bandwidth of the microstrip array antenna can be effectively widened.

Description

Wide band satellite communication antena structure
Technical field
The utility model relates to antenna technical field, relates in particular to wide band satellite communication antena structure.
Background technology
In the current communication in moving system, what antenna adopted is the two-wire poliarizing antenna, by synthetic technology, so that the direction of synthetic polarization is consistent with the satellite polarised direction that will aim at, in order to accept to greatest extent satellite-signal.
Current communication in moving operating frequency of antenna is at the Ku wave band, in order to improve the signal to noise ratio of system, needs to adopt the antenna of high-gain.If realize with plate aerial, the greatest problem of existence is that feeding network is loaded down with trivial details, and according to the layout of routine, the network of different polarization tends to too near even has overlapping phenomenon.Just because of high performance dull and stereotyped communication in moving antenna not yet appears in this reason in the market.
Summary of the invention
The purpose of invention: for a kind of high performance wide band satellite communication antena structure is provided.
In order to reach as above purpose, the present invention takes following technical scheme: comprise the loaded microstrip plate, described loaded microstrip plate below is the first metallic cavity, more than one square hole is arranged on the first metallic cavity, described the first metallic cavity below is the little band plate of feed of horizontal polarization, the little band plate of the feed of described horizontal polarization below is the second metallic cavity, described the second metallic cavity below is little band plate of perpendicular polarization, little band plate below of described perpendicular polarization is the 3rd metallic cavity, on described the 3rd metallic cavity more than one square hole is arranged, described the first metallic cavity, the second metallic cavity, the 3rd metallic cavity is hollow-core construction.
The further technical scheme of the utility model is that described loaded microstrip plate is fiber glass epoxy alkene material, and dielectric constant is between 3.4 ∽ 3.6, and the thickness of loaded microstrip plate is between 1.5mm ∽ 2mm.
The further technical scheme of the utility model is that the thickness of described the first metallic cavity and the second metallic cavity is 3mm ∽ 5mm, and the thickness of described the 3rd metallic cavity is 5mm ∽ 6mm.
The further technical scheme of the utility model is that described square hole is square, and the length of side of square hole is that center of antenna frequency is propagated 1/2 of wavelength in air.
The further technical scheme of the utility model is, the square hole on described the first metallic cavity, the second metallic cavity, the 3rd metallic cavity three all has more than one and be uniform thereon.
Adopt as above the present invention of technical scheme, have following beneficial effect:
1, antenna adopts hierarchical layout, by three kinds of metallic cavity, with the feeding network of two kinds of polarization separately, has effectively reduced the coupling phenomenon between two kinds of polarization, has solved complicated network topology problem.
2, effectively broadening the bandwidth of operation of micro-strip array antenna.
Description of drawings
Fig. 1 is the utility model general structure side schematic view;
Fig. 2 is the structural representation of the utility model metallic cavity;
Wherein: 1. loaded microstrip plate; 2. the first metallic cavity; 3. the little band plate of the feed of horizontal polarization; 4. the second metallic cavity; 5. little band plate of perpendicular polarization; 6. the 3rd metallic cavity; 7. square hole.
Embodiment
Below in conjunction with accompanying drawing embodiment of the present utility model is further described;
As shown in Figure 1, the antenna structure layout mainly comprises loaded microstrip plate 1, the first metallic cavity 2, little band plate 3, the second metallic cavity 4 of the feed of horizontal polarization, little band plate 5, the three metallic cavity 6 of perpendicular polarization.
As shown in Figure 1, loaded microstrip plate 1 adopts fiber glass epoxy alkene material, and dielectric constant is between 3.4 ∽ 3.6, and the thickness of little band plate is between 1.5mm ∽ 2mm.
Such as Fig. 1, as shown in Figure 2, be the first metallic cavity below the loaded microstrip plate.Cavity is hollow-core construction, and by being that 3mm ∽ 5mm aluminium sheet mills out square hole 7 and forms at thickness, the length of side of square hole 7 is 1/2 of the sub-air medium wavelength of center of antenna frequency.
As shown in Figure 1, the first metallic cavity plate below be the little band plate of feed of horizontal polarization.It is the dielectric material of 2.55 ∽ 2.65 that little band plate of horizontal polarization adopts dielectric constant.
Such as Fig. 1, as shown in Figure 2, it is characterized in that, be the second metallic cavity below little band plate of horizontal polarization.Cavity is hollow-core construction, and the structure of the second metallic cavity and the first metallic cavity is identical, also is by being that 3mm ∽ 5mm aluminium sheet mills out square hole 7 and forms at thickness, and the length of side of square hole 7 is 1/2 of the sub-air medium wavelength of center of antenna frequency.
As shown in Figure 1, the second metallic cavity plate below be the little band plate of feed of perpendicular polarization.It is the dielectric material of 2.55 ∽ 2.65 that little band plate of perpendicular polarization also adopts dielectric constant, the little band plate of feed of the complete same level polarization of material type.
Such as Fig. 1, as shown in Figure 2, be the 3rd metallic cavity below little band plate of perpendicular polarization.Cavity thickness is 5mm ∽ 6mm, hollow-core construction, and the above's a series of square holes that distribute, the length of side of square hole is 1/2 of the sub-air medium wavelength of center of antenna frequency.
More than show and described basic principle of the present invention, principal character and advantage of the present invention.Those skilled in the art should understand the present invention and not be restricted to the described embodiments; that describes in above-described embodiment and the specification just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope.

Claims (5)

1. wide band satellite communication antena structure, it is characterized in that, comprise loaded microstrip plate (1), described loaded microstrip plate (1) below is the first metallic cavity (2), more than one square hole (7) is arranged on the first metallic cavity (2), described the first metallic cavity (2) below is the little band plate of feed (3) of horizontal polarization, the little band plate of the feed of described horizontal polarization (3) below is the second metallic cavity (4), described the second metallic cavity (4) below is little band plate (5) of perpendicular polarization, little band plate (5) below of described perpendicular polarization is the 3rd metallic cavity (3), more than one square hole (7) is arranged, described the first metallic cavity (2) on described the 3rd metallic cavity (3), the second metallic cavity (4), the 3rd metallic cavity (3) is hollow-core construction.
2. wide band satellite communication antena structure as claimed in claim 1, it is characterized in that, described loaded microstrip plate (1) is fiber glass epoxy alkene material, and dielectric constant is between 3.4 ∽ 3.6, and the thickness of loaded microstrip plate (1) is between 1.5mm ∽ 2mm.
3. wide band satellite communication antena structure as claimed in claim 1, it is characterized in that, the thickness of described the first metallic cavity (2) and the second metallic cavity (4) is 3mm ∽ 5mm, and the thickness of described the 3rd metallic cavity (3) is 5mm ∽ 6mm.
4. wide band satellite communication antena structure as claimed in claim 1 is characterized in that, described square hole (7) is square, and the length of side of square hole is that center of antenna frequency is propagated 1/2 of wavelength in air.
5. wide band satellite communication antena structure as claimed in claim 1, it is characterized in that the square hole (7) on described the first metallic cavity (2), the second metallic cavity (4), the 3rd metallic cavity (3) three all has more than one and be uniform thereon.
CN 201220609112 2012-11-19 2012-11-19 Wideband satellite communication antenna structure Expired - Fee Related CN202905949U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220609112 CN202905949U (en) 2012-11-19 2012-11-19 Wideband satellite communication antenna structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220609112 CN202905949U (en) 2012-11-19 2012-11-19 Wideband satellite communication antenna structure

Publications (1)

Publication Number Publication Date
CN202905949U true CN202905949U (en) 2013-04-24

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201220609112 Expired - Fee Related CN202905949U (en) 2012-11-19 2012-11-19 Wideband satellite communication antenna structure

Country Status (1)

Country Link
CN (1) CN202905949U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110635232A (en) * 2019-08-20 2019-12-31 电子科技大学 A dual-polarized microstrip antenna unit with wide-angle wide-band scanning capability

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110635232A (en) * 2019-08-20 2019-12-31 电子科技大学 A dual-polarized microstrip antenna unit with wide-angle wide-band scanning capability
CN110635232B (en) * 2019-08-20 2021-05-04 电子科技大学 A dual-polarized microstrip antenna unit with wide-angle broadband scanning capability

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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: 20130424

Termination date: 20141119

EXPY Termination of patent right or utility model