CN203871479U - Portable multi-mode multi-frequency measurement antenna - Google Patents
Portable multi-mode multi-frequency measurement antenna Download PDFInfo
- Publication number
- CN203871479U CN203871479U CN201420158373.7U CN201420158373U CN203871479U CN 203871479 U CN203871479 U CN 203871479U CN 201420158373 U CN201420158373 U CN 201420158373U CN 203871479 U CN203871479 U CN 203871479U
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- antenna
- frequency
- printed board
- radio frequency
- box body
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- Expired - Lifetime
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- 238000005259 measurement Methods 0.000 title abstract description 8
- 238000010276 construction Methods 0.000 claims description 4
- 230000003319 supportive effect Effects 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 11
- 238000005516 engineering process Methods 0.000 description 6
- 239000004020 conductor Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007123 defense Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- DMBHHRLKUKUOEG-UHFFFAOYSA-N diphenylamine Chemical compound C=1C=CC=CC=1NC1=CC=CC=C1 DMBHHRLKUKUOEG-UHFFFAOYSA-N 0.000 description 1
- YGANSGVIUGARFR-UHFFFAOYSA-N dipotassium dioxosilane oxo(oxoalumanyloxy)alumane oxygen(2-) Chemical compound [O--].[K+].[K+].O=[Si]=O.O=[Al]O[Al]=O YGANSGVIUGARFR-UHFFFAOYSA-N 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229910052627 muscovite Inorganic materials 0.000 description 1
- 230000010363 phase shift Effects 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 230000033772 system development Effects 0.000 description 1
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- Waveguide Aerials (AREA)
Abstract
The utility model relates to a portable multi-mode multi-frequency measurement antenna which comprises a radome, a box body, an antenna radiator, a choking flow structure, an antenna baffle board, a feed network printed board and a radio frequency pin type connector. The radome and the box body form an enclosing structure. The antenna baffle board is mounted on the box body. The feed network printed board is arranged on the back side of the antenna baffle board. The antenna radiator passes through the antenna baffle board and is connected with a port A of the feed network printed board. The radio frequency pin type connector is connected to a port B of the feed network printed board. The choking flow structure is mounted on the antenna baffle board and is around the antenna radiator. The antenna covers multiple work frequency ranges, has high gain, wide wave beam, stable phase center, low elevation angle and superior performance, and is suitable for high precision satellite measurement antenna.
Description
Technical field
The utility model relates to a kind of portable multimode multi-frequency and measures antenna, is the important component part of high accuracy satellite navigation system, and method is applied to the fields such as geodesic survey, marine monitoring, engineering survey, belongs to antenna technical field.
Background technology
Electronic system development is more and more faster, and various navigation system fall over each other to build, and the whole world is in the Galileo system of runing or have in the satellite navigation system of building " two generations of the Big Dipper " system of China, the gps system of the U.S., Muscovite GLONASS system, Europe at present.Development along with satellite positioning navigation technology, satellite navigation Technology of Precision Measurement has been widely used in the numerous areas of economic construction, national defense and military, science and technology and the civilian people's livelihood, as geodesic survey, marine monitoring, engineering survey, geological prospecting, earthquake relief work, astronomy etc.The high-acruracy survey antenna that can cover current existing satellite navigation system becomes the key technology in current high accuracy satellite navigation system realization, and its performance will directly affect the certainty of measurement of satellite navigation system.The measurement antenna of the use of using at present adopts microstrip structure more, and phase center is unstable, gain low, frequency band is narrow, can not meet the requirement of high-acruracy survey.
Utility model content
The purpose of this utility model is to overcome the above-mentioned deficiency of prior art, provide portable multimode multi-frequency to measure antenna, this antenna have cover working frequency range many, gain high, wave beam is wide, phase center is stable, low elevation angle performance is superior, is applicable to high accuracy satellite measurement antenna.
Above-mentioned purpose of the present utility model is mainly achieved by following technical solution:
Portable multimode multi-frequency is measured antenna, comprise radome, box body, antenna radiator, choke structure, antenna-reflected plate, feeding network printed board and radio frequency pin type connector, wherein radome and box body form enclosed construction, antenna-reflected plate is arranged on box body, feeding network printed board is arranged on the back side of antenna-reflected plate, antenna radiator is connected with the A port of feeding network printed board through antenna-reflected plate, radio frequency pin type connector is connected to the B port of feeding network printed board, choke structure is arranged on antenna-reflected plate, and be looped around antenna radiator around.
At above-mentioned portable multimode multi-frequency, measure in antenna, also comprise back-up block, back-up block is arranged on antenna-reflected plate, and is positioned at the bottom of antenna radiator, and antenna radiator is played a supportive role.
At above-mentioned portable multimode multi-frequency, measure in antenna, the face of overlooking of antenna radiator is square, and there are four feed minor matters vertical with the face of overlooking on four limits.
At above-mentioned portable multimode multi-frequency, measure in antenna, feed minor matters envelope adopts broken line, exponential function, hyperbolic functions or elliptic curve structure.
At above-mentioned portable multimode multi-frequency, measure in antenna, also comprise same roller, four feed minor matters of antenna radiator are connected with four ports of feeding network printed board respectively by same roller through antenna-reflected plate.
At above-mentioned portable multimode multi-frequency, measure in antenna, also comprise radio frequency jack type connector, cable and socket through walls, one end of cable is connected with radio frequency pin type connector by radio frequency jack type connector, and the other end of cable is connected with the radio frequency that is arranged on box body socket through walls.
At above-mentioned portable multimode multi-frequency, measure in antenna, in choke structure, the vertical section structure of each unit is triangle, trapezoidal, rectangle or curved-surface structure.
The utility model advantage is compared with prior art:
(1), the utility model adopts antenna radiator and the choke structure of innovative design, wherein antenna radiator has wider directional diagram bandwidth, and the improvement through choke structure to radiated electromagnetic wave, makes antenna have stable phase center and low elevation angle performance;
(2), the utility model has the feeding network of high matching degree, adopts four-point feed mode, increased the Circular polarization ratio bandwidth of antenna, and improved low elevation axis specific characteristic and Phase center stability;
(3), the utlity model has cover working frequency range many, gain high, wave beam is wide, phase center is stable, low elevation angle performance is superior, and simple in structure, is highly suitable for high accuracy satellite measurement antenna.
Accompanying drawing explanation
Fig. 1 is that portable multimode multi-frequency of the present utility model is measured antenna longitdinal cross-section diagram;
Fig. 2 is the 3-D view that portable multimode multi-frequency of the present utility model is measured antenna;
Fig. 3 is antenna radiator 3-D view of the present utility model;
Fig. 4 is choke structure 3-D view of the present utility model;
Fig. 5 is the multi-form schematic diagram of choke structure of the present utility model unit longitudinal profile;
Fig. 6 is radio-frequency feed network diagram of the present utility model.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail:
The principle that the portable multimode multi-frequency of the utility model is measured antenna is as follows:
The bandwidth of operation of antenna determines by two aspects, the one, and the impedance bandwidth of antenna, i.e. the standing wave of antenna, the 2nd, the directional diagram bandwidth of antenna, i.e. the shape of directional diagram and gain, the two bandwidth that all will meet system requirements is only the bandwidth of operation of antenna.General microstrip antenna impedance smaller bandwidth, antenna radiator in the utility model adopts air to fill, and increase the height between radiant body and metallic reflection plate, effectively raise the impedance bandwidth of antenna, and the directional diagram bandwidth of square radiant body is subject to the compensation of choke structure, there is larger directional diagram bandwidth.
Be illustrated in figure 1 portable multimode multi-frequency of the present utility model and measure antenna longitdinal cross-section diagram, Fig. 2 is the 3-D view that portable multimode multi-frequency of the present utility model is measured antenna, as seen from the figure, the portable multimode multi-frequency of the utility model is measured antenna and is comprised radome 1, box body 2, antenna radiator 3, choke structure 4, back-up block 5, antenna-reflected plate 6, feeding network printed board 7, with roller 8, radio frequency pin type connector 9, radio frequency jack type connector 10, cable 11 and socket through walls 12, in the present embodiment, feeding network printed board 7 adopts the printed board of radio-frequency feed network, wherein radome 1 and box body 2 form enclosed construction, antenna-reflected plate 6 is arranged on box body 2, feeding network printed board 7 is arranged on the back side of antenna-reflected plate 6.
Be illustrated in figure 3 antenna radiator 3-D view of the present utility model, the material of antenna radiator 3 adopts good conductor, and the face of overlooking of antenna radiator 3 is square, and there are four feed minor matters vertical with the face of overlooking on four limits.Feed minor matters envelope adopts broken line, exponential function, hyperbolic functions or elliptic curve structure.
Four feed minor matters of antenna radiator 3 are welded to connect with four ports (the A port in Fig. 6) of feeding network printed board 7 respectively by same roller 8 through antenna-reflected plate 6.Radio frequency pin type connector 9 is welded on the B port (the B port in Fig. 6) of radio-frequency feed network printed board 7, and back-up block 5 is arranged on antenna-reflected plate 6, and is positioned at the bottom of antenna radiator 3, and antenna radiator 3 is played a supportive role.Choke structure 4 comprises a plurality of chokes unit, and a plurality of chokes cellular installations, on antenna-reflected plate 6, and are looped around antenna radiator 3 around.The material of antenna radiator 3 adopts good conductor, such as metal, carbon fiber etc.
One end of cable 11 is connected with radio frequency pin type connector 9 by radio frequency jack type connector 10, and the other end of cable 11 is connected with the radio frequency that is arranged on box body 2 socket 12 through walls.
Be illustrated in figure 4 choke structure 3-D view of the present utility model, Fig. 5 is the multi-form schematic diagram of choke structure of the present utility model unit longitudinal profile, in the utility model, choke structure 4 is centered around antenna radiator 3 around, be used for the shape of control antenna radiant body 3 radiation beam, as shown in Figure 5, choke structure 4) in the vertical section structure of each chokes unit can be triangle, trapezoidal, rectangle or curved-surface structure etc.
Be illustrated in figure 6 radio-frequency feed network diagram of the present utility model, Fig. 6 is the way of realization of radio-frequency feed network, radio-frequency feed network 7 corrosion is on medium substrate, and the form that adopts 90 ° of phase shifts to add 90 ° of electric bridges realizes between two the amplitudes such as feed port, the function that phase phasic difference is 90 °.
The content not being described in detail in the utility model specification belongs to professional and technical personnel in the field's known technology.
Claims (7)
1. portable multimode multi-frequency is measured antenna, it is characterized in that: comprise radome (1), box body (2), antenna radiator (3), choke structure (4), antenna-reflected plate (6), feeding network printed board (7) and radio frequency pin type connector (9), wherein radome (1) and box body (2) form enclosed construction, antenna-reflected plate (6) is arranged on box body (2), feeding network printed board (7) is arranged on the back side of antenna-reflected plate (6), antenna radiator (3) is connected with the A port of feeding network printed board (7) through antenna-reflected plate (6), radio frequency pin type connector (9) is connected to the B port of feeding network printed board (7), choke structure (4) is arranged on antenna-reflected plate (6), and be looped around antenna radiator (3) around.
2. portable multimode multi-frequency according to claim 1 is measured antenna, it is characterized in that: also comprise back-up block (5), it is upper that back-up block (5) is arranged on antenna-reflected plate (6), and be positioned at the bottom of antenna radiator (3), and antenna radiator (3) is played a supportive role.
3. portable multimode multi-frequency according to claim 1 is measured antenna, it is characterized in that: the face of overlooking of described antenna radiator (3) is square, and there are four feed minor matters vertical with the face of overlooking on four limits.
4. portable multimode multi-frequency according to claim 3 is measured antenna, it is characterized in that: described feed minor matters envelope adopts broken line, exponential function, hyperbolic functions or elliptic curve structure.
5. according to the portable multimode multi-frequency described in the arbitrary claim of claim 1-4, measure antenna, it is characterized in that: also comprise same roller (8), four feed minor matters of antenna radiator (3) are connected with four ports of feeding network printed board (7) respectively by same roller (8) through antenna-reflected plate (6).
According to described in the arbitrary claim of claim 1-4 portable multimode multi-frequency measure antenna, it is characterized in that: also comprise radio frequency jack type connector (10), cable (11) and socket through walls (12), one end of cable (11) is connected with radio frequency pin type connector (9) by radio frequency jack type connector (10), and the other end of cable (11) is connected with the radio frequency socket through walls (12) that is arranged on box body (2).
According to described in the arbitrary claim of claim 1-4 portable multimode multi-frequency measure antenna, it is characterized in that: in described choke structure (4), the vertical section structure of each unit is triangle, trapezoidal, rectangle or curved-surface structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420158373.7U CN203871479U (en) | 2014-04-02 | 2014-04-02 | Portable multi-mode multi-frequency measurement antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420158373.7U CN203871479U (en) | 2014-04-02 | 2014-04-02 | Portable multi-mode multi-frequency measurement antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203871479U true CN203871479U (en) | 2014-10-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420158373.7U Expired - Lifetime CN203871479U (en) | 2014-04-02 | 2014-04-02 | Portable multi-mode multi-frequency measurement antenna |
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| Country | Link |
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| CN (1) | CN203871479U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
-
2014
- 2014-04-02 CN CN201420158373.7U patent/CN203871479U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141008 |
|
| CX01 | Expiry of patent term |