CN111342220A - High-precision Beidou multi-arm spiral antenna receiving device - Google Patents
High-precision Beidou multi-arm spiral antenna receiving device Download PDFInfo
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- CN111342220A CN111342220A CN202010030573.4A CN202010030573A CN111342220A CN 111342220 A CN111342220 A CN 111342220A CN 202010030573 A CN202010030573 A CN 202010030573A CN 111342220 A CN111342220 A CN 111342220A
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- 230000005855 radiation Effects 0.000 claims abstract description 44
- 239000002184 metal Substances 0.000 claims abstract description 13
- 238000004804 winding Methods 0.000 claims description 3
- DMBHHRLKUKUOEG-UHFFFAOYSA-N diphenylamine Chemical compound C=1C=CC=CC=1NC1=CC=CC=C1 DMBHHRLKUKUOEG-UHFFFAOYSA-N 0.000 claims 1
- 238000013461 design Methods 0.000 abstract description 11
- 230000008901 benefit Effects 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 239000000243 solution Substances 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000010287 polarization Effects 0.000 description 3
- 239000000758 substrate Substances 0.000 description 3
- 230000005284 excitation Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 230000001808 coupling effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012938 design process Methods 0.000 description 1
- 238000009713 electroplating Methods 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000005549 size reduction Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
- H01Q1/38—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith formed by a conductive layer on an insulating support
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/48—Earthing means; Earth screens; Counterpoises
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/50—Structural association of antennas with earthing switches, lead-in devices or lightning protectors
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
- H01Q5/20—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements characterised by the operating wavebands
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
- H01Q5/30—Arrangements for providing operation on different wavebands
- H01Q5/307—Individual or coupled radiating elements, each element being fed in an unspecified way
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
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Abstract
A high-precision Beidou multi-arm spiral antenna receiving device relates to the field of radio frequency microwaves. The antenna comprises an antenna unit, a radiation long arm, a radiation short arm, a short arm feed position, a long arm grounding position and a two-arm short circuit metal structure, wherein a plurality of groups of radiators are wound outside the antenna unit, each radiator consists of the radiation long arm and the radiation short arm, the top ends of the radiation long arm and the radiation short arm are of an open circuit structure, the bottom end of the radiation short arm is the short arm feed position, the bottom end of the radiation long arm is the long arm grounding position, and the radiation long arm and the bottom of the radiation short arm are in short circuit through the two-arm short circuit metal structure. After the technical scheme is adopted, the invention has the beneficial effects that: the phase-locked loop has the advantages of reasonable design, miniaturization, high gain, strong anti-interference capability, stable phase center and the like, and has great popularization value.
Description
Technical Field
The invention relates to the field of radio frequency microwaves, in particular to a high-precision Beidou multi-arm spiral antenna receiving device.
Background
The high-precision positioning technology based on the satellite system has the advantages of wide area, no restriction of regional space, high positioning precision and the like, is far superior to a single-foundation ground system positioning system, can meet the requirements of different industries on high-precision real-time position information at present, has decisive influence on the positioning precision as a high-precision receiving terminal receiving antenna device, has been a hotspot technology in the field of research of high performance, interference resistance, phase center stability and miniaturization receiving antenna devices, currently, the global mainstream navigation systems are GPS (United states), BDS (China), GLONASS (Russia) and Galileo (Europe), as developing major countries, China has been deeply ploughed in the aerospace industry, and the Beidou system has transmitted 51 navigation satellites by 11 months in 2019, the single-Beidou global high-precision positioning satellite network is gradually perfected, and in order to ensure the confidentiality of communication signals, receiving terminal equipment based on a single Beidou navigation system is gradually popularized in the fields of military products and civil products at present, and is used as an antenna of a satellite signal receiving terminal to directly influence positioning accuracy.
In order to improve the positioning precision, the satellite antenna receives the number of satellite signals as much as possible and reduce the positioning error, so that the current receiver board card supports the receiving and processing of the current mainstream satellite system signals, the working bandwidth of the receiving antenna device is required to be wider along with the wider and wider frequency band division of the satellite, and therefore the mainstream working frequency band of the current multi-satellite multi-frequency spiral antenna is in a three-satellite seven-frequency mode, namely, the maximum gains of double frequencies high and low frequencies are respectively located at frequency points of GPS L1 and L2, and meanwhile, the BDS and GLONASS are considered.
The multi-arm helical antenna has unique performance advantages, can be used as a satellite antenna of a miniaturized handheld receiving terminal device, has high circular polarization degree, good low elevation angle receiving performance and moderate antenna size, and is divided according to the current products of the multi-arm helical antenna: the structural design can be divided into: the quarter open circuit structure and the half short circuit structure are divided into the following parts from the working frequency band: the design process of the dual-mode (three-star seven-frequency) and the single-mode (three-star three-frequency) can be divided into: FPC soft board process and injection molding electroplating process. The multi-arm helical antenna is light in structure and excellent in performance, and becomes a receiving antenna device of a high-precision receiving terminal, such as an unmanned aerial vehicle, a handheld mobile flat terminal and other equipment, the size of the product is compact, the size requirement of the receiving antenna is stricter, the size of the multi-satellite multi-frequency helical antenna is larger at present, and the design requirement of a miniature receiving terminal is difficult to meet.
Disclosure of Invention
The invention aims to provide a high-precision Beidou multi-arm spiral antenna receiving device aiming at the defects and shortcomings of the prior art, and the device has the performance characteristics of miniaturization, high gain, strong anti-interference capability, stable phase center and the like, and has great popularization value.
In order to achieve the purpose, the invention adopts the following technical scheme: it contains antenna element 1, radiation long arm 2, radiation short arm 3, short arm feed position 4, long arm ground connection department 5, two arm short circuit metallic structure 6, 1 outside winding of antenna element sets up a plurality of groups irradiators, the single strip irradiator is by radiation long arm 2, radiation short arm 3 constitutes, radiation long arm 2, the 3 top of radiation short arm are open circuit structure, 3 bottoms of radiation short arm are short arm feed position 4, 2 bottoms of radiation long arm are long arm ground connection department 5, radiation long arm 2 and the short circuit metallic structure 6 short circuits of two arms are passed through to 3 bottoms of radiation short arm.
The diameter size of the antenna unit 1 is 19mm, and the height size of the antenna unit 1 is 39.5 mm.
The antenna unit 1 is a cylinder of an FPC soft board.
The two-arm short circuit metal structure 6 is a metal arm.
Four groups of identical radiators are arranged outside the antenna unit 1, and each group of radiators are arranged on the antenna unit 1 at equal intervals of 90 degrees.
The distance between the long radiating arm 2 and the short radiating arm 3 produces an angle smaller than 45 degrees.
The working principle of the invention is as follows: the antenna unit is made of FPC soft board materials, the appearance of the cylindrical structure is designed, four groups of long and short open-circuit arms are sequentially staggered to form the antenna, the antenna is uniformly wound on an FPC substrate at intervals of 90 degrees, adjacent radiator feed ports give excitation signals with the same amplitude and the anticlockwise phase difference of 90 degrees, the right-hand circular polarization characteristic is formed, each long and short arm is arranged on a single radiator and connected together through a short-circuit structure, the long and short radiation arm terminals are designed in an open-circuit mode, the length is about one fourth of the central frequency of each long and short radiation arm terminal, the bottom short arm is connected with a feed position, the other arm is designed in a grounding mode, the S parameter curve graph of the multi-arm spiral Beidou antenna is shown in figure 2, and the gain of the multi-arm spiral Beidou antenna along with the frequency parameter curve graph.
After the technical scheme is adopted, the invention has the beneficial effects that: 1. the device is suitable for a single Beidou positioning satellite system, fills up the blank of the current industry field, and meets the product requirements of military and civil single Beidou receiving terminals; 2. compared with the traditional three-star seven-frequency helical antenna, the single radiator long and short arms are designed in a non-equidistant mode, the working bandwidth of the antenna is narrow, the maximum gain in the band is improved, the size of the antenna is designed in a miniaturized mode, and the receiving performance based on Beidou satellite signals is improved obviously; 3. the antenna is wound by adopting an FPC material, and the light design is more suitable for being used by handheld and portable terminal products. In general, the phase-locked loop has reasonable design, has the performance characteristics of miniaturization, high gain, strong anti-interference capability, stable phase center and the like, and has great popularization value.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a graph of the S parameter of a multi-arm spiral Beidou antenna;
FIG. 3 is a graph of gain of a multi-arm spiral Beidou antenna along with frequency parameters.
Description of reference numerals: the antenna comprises an antenna unit 1, a radiating long arm 2, a radiating short arm 3, a short arm feed position 4, a long arm grounding part 5 and a two-arm short circuit metal structure 6.
Detailed Description
Referring to fig. 1 to fig. 3, the technical solution adopted by the present embodiment is: the antenna comprises an antenna unit 1, a radiation long arm 2, a radiation short arm 3, a short arm feed position 4, a long arm grounding part 5 and a two-arm short circuit metal structure 6, wherein a plurality of groups of radiators are wound outside the antenna unit 1, a single radiator comprises a radiation long arm 2 and a radiation short arm 3, the radiation long arm 2 determines a low-frequency working frequency point, the radiation short arm 3 determines a high-frequency working frequency point, the antenna arms of the antenna unit 1 adopt an open-circuit terminal design, the length of the antenna is one quarter wavelength of a central frequency point, compared with the effective radiation size reduction of a half open-circuit structure antenna, the top ends of the radiation long arm 2 and the radiation short arm 3 are in an open-circuit structure, the bottom end of the radiation short arm 3 is the short arm feed position 4, the radiating long arm 2 and the radiating short arm 3 are fixed in a short circuit mode through a two-arm short circuit metal structure 6.
The diameter of the antenna unit 1 is 19mm, and the height of the antenna unit 1 is 39.5 mm.
The two-arm short circuit metal structure 6 is a metal arm.
The antenna unit 1 is externally connected with four groups of identical radiators, and each group of radiators are arranged on the cylinder of the antenna unit 1 at equal intervals of 90 degrees.
The angle generated by the distance between the long radiating arm 2 and the short radiating arm 3 is less than 45 degrees, in order to reduce the coupling effect between the long radiating arm 2 and the short radiating arm 3 of the adjacent radiator, the angle generated by the distance between the long radiating arm 2 and the short radiating arm 3 is 32 degrees, the design narrows the effective bandwidth of the antenna, but can improve the gain of a central frequency point, and just meets the receiving design requirement of a single Beidou satellite system.
The working principle of the invention is as follows: the antenna unit is made of FPC soft board materials, the appearance of the cylindrical structure is designed, four groups of long and short open-circuit arms are sequentially staggered to form the antenna, the antenna is uniformly wound on an FPC substrate at intervals of 90 degrees, adjacent radiator feed ports give excitation signals with the same amplitude and the anticlockwise phase difference of 90 degrees, the right-hand circular polarization characteristic is formed, each long and short arm is arranged on a single radiator and connected together through a short-circuit structure, the long and short radiation arm terminals are designed in an open-circuit mode, the length is about one fourth of the central frequency of each long and short radiation arm terminal, the bottom short arm is connected with a feed position, the other arm is designed in a grounding mode, the S parameter curve graph of the multi-arm spiral Beidou antenna is shown in figure 2, and the gain of the multi-arm spiral Beidou antenna along with the frequency parameter curve graph.
After the technical scheme is adopted, the invention has the beneficial effects that: 1. the device is suitable for a single Beidou positioning satellite system, fills up the blank of the current industry field, and meets the product requirements of military and civil single Beidou receiving terminals; 2. compared with the traditional three-star seven-frequency helical antenna, the single radiator long and short arms are designed in a non-equidistant mode, the working bandwidth of the antenna is narrow, the maximum gain in the band is improved, the size of the antenna is designed in a miniaturized mode, and the receiving performance based on Beidou satellite signals is improved obviously; 3. the antenna is wound by adopting an FPC material, and the light design is more suitable for being used by handheld and portable terminal products. In general, the phase-locked loop has reasonable design, has the performance characteristics of miniaturization, high gain, strong anti-interference capability, stable phase center and the like, and has great popularization value.
The above description is only for the purpose of illustrating the technical solutions of the present invention and not for the purpose of limiting the same, and other modifications or equivalent substitutions made by those skilled in the art to the technical solutions of the present invention should be covered within the scope of the claims of the present invention without departing from the spirit and scope of the technical solutions of the present invention.
Claims (6)
1. The utility model provides a high accuracy big dipper multi-arm helical antenna receiving arrangement which characterized in that: it contains antenna element (1), radiation long arm (2), radiation short arm (3), short arm feed position (4), long arm meets ground (5), two arm short circuit metal structure (6), antenna element (1) outside winding sets up a plurality of groups irradiators, single irradiator is by radiation long arm (2), radiation short arm (3) are constituteed, radiation long arm (2), radiation short arm (3) top is open circuit structure, radiation short arm (3) bottom is short arm feed position (4), radiation long arm (2) bottom is long arm meets ground (5), radiation long arm (2) and radiation short arm (3) bottom are through two arm short circuit metal structure (6) short circuit.
2. The high-precision Beidou multi-arm spiral antenna receiving device as claimed in claim 1, is characterized in that: the diameter size of the antenna unit (1) is 19mm, and the height size of the antenna unit (1) is 39.5 mm.
3. The high-precision Beidou multi-arm spiral antenna receiving device as claimed in claim 1, is characterized in that: the antenna unit (1) is an FPC (flexible printed circuit) flexible board cylinder.
4. The high-precision Beidou multi-arm spiral antenna receiving device as claimed in claim 1, is characterized in that: the two-arm short circuit metal structure (6) is a metal arm.
5. The high-precision Beidou multi-arm spiral antenna receiving device as claimed in claim 1, is characterized in that: four groups of identical radiators are arranged outside the antenna unit (1), and each group of radiators are arranged on the antenna unit (1) at equal intervals of 90 degrees.
6. The high-precision Beidou multi-arm spiral antenna receiving device as claimed in claim 1, is characterized in that: the distance between the long radiating arm (2) and the short radiating arm (3) generates an angle smaller than 45 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010030573.4A CN111342220A (en) | 2020-01-13 | 2020-01-13 | High-precision Beidou multi-arm spiral antenna receiving device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010030573.4A CN111342220A (en) | 2020-01-13 | 2020-01-13 | High-precision Beidou multi-arm spiral antenna receiving device |
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| CN111342220A true CN111342220A (en) | 2020-06-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010030573.4A Pending CN111342220A (en) | 2020-01-13 | 2020-01-13 | High-precision Beidou multi-arm spiral antenna receiving device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113193340A (en) * | 2021-04-09 | 2021-07-30 | 中国民航大学 | Light and small Beidou multi-arm measurement type antenna based on FPC (flexible printed circuit) flexible material |
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|---|---|---|---|---|
| CN205282639U (en) * | 2015-10-19 | 2016-06-01 | 深圳市华颖泰科电子技术有限公司 | Dual -frenquency helical antenna |
| CN205752527U (en) * | 2016-05-10 | 2016-11-30 | 江苏三和欣创通信科技有限公司 | A kind of multi-arm dual-frequency helical antenna device |
| CN206480755U (en) * | 2016-12-30 | 2017-09-08 | 广州中海达卫星导航技术股份有限公司 | A kind of unmanned plane helical antenna |
| CN107611590A (en) * | 2017-10-16 | 2018-01-19 | 福建福大北斗通信科技有限公司 | Compact dual-frequency satellite communication hand-held terminal antenna and its application method |
| CN208723088U (en) * | 2018-08-13 | 2019-04-09 | 深圳市天地星联通信科技有限公司 | A kind of spiral high-precision antenna |
| CN209357913U (en) * | 2018-12-29 | 2019-09-06 | 深圳市天地星联通信科技有限公司 | A kind of high precision double frequency antenna |
| CN209418763U (en) * | 2019-03-22 | 2019-09-20 | 深圳市集众思创科技有限公司 | A kind of miniaturization full range four-arm spiral antenna |
-
2020
- 2020-01-13 CN CN202010030573.4A patent/CN111342220A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205282639U (en) * | 2015-10-19 | 2016-06-01 | 深圳市华颖泰科电子技术有限公司 | Dual -frenquency helical antenna |
| CN205752527U (en) * | 2016-05-10 | 2016-11-30 | 江苏三和欣创通信科技有限公司 | A kind of multi-arm dual-frequency helical antenna device |
| CN206480755U (en) * | 2016-12-30 | 2017-09-08 | 广州中海达卫星导航技术股份有限公司 | A kind of unmanned plane helical antenna |
| CN107611590A (en) * | 2017-10-16 | 2018-01-19 | 福建福大北斗通信科技有限公司 | Compact dual-frequency satellite communication hand-held terminal antenna and its application method |
| CN208723088U (en) * | 2018-08-13 | 2019-04-09 | 深圳市天地星联通信科技有限公司 | A kind of spiral high-precision antenna |
| CN209357913U (en) * | 2018-12-29 | 2019-09-06 | 深圳市天地星联通信科技有限公司 | A kind of high precision double frequency antenna |
| CN209418763U (en) * | 2019-03-22 | 2019-09-20 | 深圳市集众思创科技有限公司 | A kind of miniaturization full range four-arm spiral antenna |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113193340A (en) * | 2021-04-09 | 2021-07-30 | 中国民航大学 | Light and small Beidou multi-arm measurement type antenna based on FPC (flexible printed circuit) flexible material |
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Application publication date: 20200626 |