CN205752527U - A kind of multi-arm dual-frequency helical antenna device - Google Patents
A kind of multi-arm dual-frequency helical antenna device Download PDFInfo
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- CN205752527U CN205752527U CN201620419022.6U CN201620419022U CN205752527U CN 205752527 U CN205752527 U CN 205752527U CN 201620419022 U CN201620419022 U CN 201620419022U CN 205752527 U CN205752527 U CN 205752527U
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Abstract
This utility model one multi-arm dual-frequency helical antenna device, main by dielectric support body, spiral radiation body, earth plate, feeding network, radiant body, resonant frequencies rate arm, reinforcing material flitch, conductive through hole, antenna feed point, feed matching body first and feed matching body second composition, spiral radiation body first is made up of four resonant frequencies rate bracelets, and four resonant frequencies rate bracelets are evenly distributed on irradiator surface, radiant body is around pasting on dielectric support body, earth plate is connected with dielectric support body, feeding network includes antenna power feed hole, feed matching body first and feed matching body second, stiffening plate is inserted in the conductive through hole in antenna feed point, reinforcing material flitch is connected with earth plate solidity, feed matching body first and feed matching body second are connected with antenna feed point respectively.By provide the benefit that after technique scheme there is flexible design, simple in construction, concordance is good, antenna performance is excellent, be widely used.
Description
Technical field
This utility model relates to the Multi-frequency helical antenna technical field that communicates, and particularly relates to a kind of multi-arm dual-frequency helical antenna device.
Background technology
Design requirement for high accuracy multisystem GNSS measurement type antenna at present, in satellite signal receiving performance, antenna to be ensured has the advantages that positioning precision is high, stable and reliable for performance, making full use of the Big Dipper core technology resource of China's independent intellectual property right again, this will be also that current domestic navigator fix enterprise improves satellite navigation, measures one of best solution with positioning precision simultaneously.Fast development along with Beidou navigation locating module, in order to meet the application demand of compatible multisystem multifrequency point GNSS terminal equipment, antenna should possess wider bandwidth of operation, excellent circular polarisation performance and Phase center stability etc., and requires antenna system compatible higher and the structure design feature such as by force compacter, portable, the least, compatible.In particular for the decimeter grade such as the most wearable, hand-held, unmanned plane, Centimeter Level, grade navigator fix terminal module and coordinative composition of equipments antenna applications demand, the requirement high-performance to be met of antenna, high efficiency, multi-pose are stably received, and structure be also satisfied the design requirements such as the least, flexible, portable.A kind of multi-arm many feedbacks helical antenna device of present invention design, it is uniformly distributed design by eight arms, enable the antenna to enough real two-frequency operations, the satellite-signal of multiple frequencies such as L1 and L2 that can receive L1 and L2 of GPS, B1 and B2 of the Big Dipper, G1 and G2 of GLONASS, GALILEO.The fixed form of antenna uses new manufacture method, improves the reliability of antenna.Existing helical antenna implementation, uses four arms four to present, the technology such as eight arm four feedbacks realizes, by the satellite-signal received directly under be fed to processing of circuit, but the present invention has unique distinction, solves concordance and improves the integrity problem of product.
Utility model content
The purpose of this utility model is to provide a kind of multi-arm dual-frequency helical antenna device, and the substrate design higher to solve prior art employing dielectric support body dielectric constant, antenna gain is low；Existing antenna is utilized on pottery or plastics engraving more, and reliability is low；Antenna Multi-arm spiral antenna now, two-frequency operation frequency debugging trouble；Antenna fixed form, is directly to be welded on earth plate surface by distributing point, holds caducous problem in time falling and accelerate now.
nullThe technical scheme that this utility model is used is: a kind of multi-arm dual-frequency helical antenna device，It is by dielectric support body、Spiral radiation body first、Spiral radiation body second、Earth plate、Feeding network、Radiant body、Resonant frequencies rate bracelet、Resonant frequencies rate arm second、Reinforcing material flitch、Conductive through hole、Antenna feed point、Feed matching body first and feed matching body second composition，Described spiral radiation body first is made up of four resonant frequencies rate bracelets，And four resonant frequencies rate bracelets are evenly distributed on irradiator surface，Described spiral radiation body second is made up of four resonant frequencies rate arm second，And four resonant frequencies rate arm second are evenly distributed on irradiator surface，Described radiant body is around pasting on dielectric support body，Described earth plate is connected with dielectric support body，Described feeding network is provided with eight，It is fixed on uniformly around earth plate，Described feeding network includes antenna power feed hole、Feed matching body first and feed matching body second，Described antenna feed point is made up of reinforcing material flitch and conductive through hole，Reinforcing material flitch is inserted in the conductive through hole in antenna feed point，Described reinforcing material flitch is connected with earth plate solidity，Described feed matching body first and feed matching body second are connected with antenna feed point respectively.
Described dielectric support body is designed to cylinder type.
Described spiral radiation body first and spiral radiation body second are to be formed by flexible circuit board and supporting material mixed pressure.
Described feeding network is all on earth plate.
Described radiant body first is than radiant body second brachium.
The beneficial effects of the utility model are: a kind of multi-arm dual-frequency helical antenna device, by using the dielectric support body medium designs of low-k, make have working band width, and gain is high, and volume will not significantly increase simultaneously；Designing by the way of using flexible PCB winding, machining accuracy is high, and concordance is good；By using the radiation of low frequency to design on Antenna baseplate, in that context it may be convenient to effectively adjusted the resonant frequency of helical antenna by additional reactance component, it is ensured that the concordance of product；By using reinforcement mixing pressing plate mode to design, distributing point and earth point insertion earth plate being welded, improve feed point fastness, improve product anti-vibration, accelerate and fall etc. reliability, processing technique is the most fairly simple.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model；
Fig. 2 is partial structurtes schematic diagram of the present utility model；
Fig. 3 is partial structurtes schematic diagram of the present utility model；
Fig. 4 is partial structurtes schematic diagram of the present utility model；
1-dielectric support body, 2-spiral radiation body first, 3-spiral radiation body second, 4-earth plate, 5-feeding network, 6-radiant body, 7-resonant frequencies rate bracelet, 8-resonant frequencies rate arm second, 9-reinforcing material flitch, 10-conductive through hole, 11-antenna feed point, 12-feed matching body first, 13-feeds matching body second.
Detailed description of the invention
The utility model is described in further detail for 1 to Fig. 4 and detailed description of the invention below in conjunction with the accompanying drawings.
nullAs shown in Figures 1 to 4，This utility model one multi-arm dual-frequency helical antenna device，It is by dielectric support body 1、Spiral radiation body first 2、Spiral radiation body second 3、Earth plate 4、Feeding network 5、Radiant body 6、Resonant frequencies rate bracelet 7、Resonant frequencies rate arm second 8、Reinforcing material flitch 9、Conductive through hole 10、Antenna feed point 11、Feed matching body first 12 and feed matching body second 13 form，Described spiral radiation body first 2 is made up of four resonant frequencies rate bracelets 7，And four resonant frequencies rate bracelets 2 are evenly distributed on radiant body 6 surface，Described spiral radiation body second 3 is made up of four resonant frequencies rate arm second 8，And four resonant frequencies rate arm second 8 are evenly distributed on radiant body 6 surface，Described radiant body 6 is around pasting on dielectric support body 1，Described earth plate 4 is connected with dielectric support body 1，Described feeding network 5 is provided with eight，It is fixed on earth plate 4 uniformly around，Described feeding network 5 includes antenna power feed hole 11、Feed matching body first 12 and feed matching body second 13，Described antenna feed point 11 is made up of reinforcing material flitch 9 and conductive through hole 10，Reinforcing material flitch 9 is inserted in the conductive through hole 10 in antenna feed point 11，Described reinforcing material flitch 9 is connected with earth plate 4 solidity，Described feed matching body first 12 and feed matching body second 13 are connected with antenna feed point 11 respectively.The dielectric support body 1 of Multi-arm spiral antenna, this cylinder wall thickness and material behavior (dielectric constant, tangent loss factor etc.) all can produce impact to performance parameters such as Antenna Operation frequency, work efficiency, wave beam bandwidth, radiation gains；Spiral radiation body first 2 and spiral radiation body second 3 are spiral radiation body, flexible circuit board and supporting material (such as FR4 printed board) mixed pressure form, and one side puts up double faced adhesive tape.Wherein radiant body 6 is the medium of flexible circuit board, and resonant frequencies rate bracelet 7 is the arm of a resonant frequencies rate of helical antenna, has four, is uniformly distributed, and is used for receiving the signal of 1521MHz ~ 1621MHz frequency range.Resonant frequencies rate arm second 8 is the arm of a resonant frequencies rate of helical antenna, has four, is uniformly distributed, and is used for receiving the signal of 1164MHz ~ 1300MHz frequency range.Wherein connect the antenna feed point 11 of earth plate 4, be made up of supporting material 9 and multiple conductive through hole 10.Antenna feed point 11, has 8, and being respectively relative to the center of circle is that center is uniformly and symmetrically distributed；Feed matching body first 12 and feed matching body second 13 are feed matching body, have reactance characteristic, can be with the frequency of the resonance of tuning circuit.Earth plate 4 is board metal ground, as the reference ground of whole helical antenna elements.By radiant body 6 around pasting on dielectric support body 1, being then inserted into by stiffening plate 9 in the power feed hole of base plate 4, welding 9 is the most permissible.Wherein the cincture in different directions of spiral radiation body first 2 and spiral radiation body second 3 is pasted formation dextrorotation and left-handed polarization.
Above in conjunction with accompanying drawing, this utility model is exemplarily described; but this utility model is not limited to aforesaid way; as long as using improving or directly applying to other occasion of the various unsubstantialities that method of the present utility model is conceived and technical scheme is carried out, all fall within protection domain of the present utility model.
Claims (5)
- null1. a multi-arm dual-frequency helical antenna device，It is by dielectric support body、Spiral radiation body first、Spiral radiation body second、Earth plate、Feeding network、Radiant body、Resonant frequencies rate bracelet、Resonant frequencies rate arm second、Reinforcing material flitch、Conductive through hole、Antenna feed point、Feed matching body first and feed matching body second composition，It is characterized in that: described spiral radiation body first is made up of four resonant frequencies rate bracelets，And four resonant frequencies rate bracelets are evenly distributed on irradiator surface，Described spiral radiation body second is made up of four resonant frequencies rate arm second，And four resonant frequencies rate arm second are evenly distributed on irradiator surface，Described radiant body is around pasting on dielectric support body，Described earth plate is connected with dielectric support body，Described feeding network is provided with eight，It is fixed on uniformly around earth plate，Described feeding network includes antenna power feed hole、Feed matching body first and feed matching body second，Described antenna feed point is made up of reinforcing material flitch and conductive through hole，Stiffening plate is inserted in the conductive through hole in antenna feed point，Described reinforcing material flitch is connected with earth plate solidity，Described feed matching body first and feed matching body second are connected with antenna feed point respectively.
- A kind of multi-arm dual-frequency helical antenna device the most according to claim 1, it is characterised in that: described dielectric support body is designed to cylinder type.
- A kind of multi-arm dual-frequency helical antenna device the most according to claim 1, it is characterised in that: described spiral radiation body first and spiral radiation body second are to be formed by flexible circuit board and supporting material mixed pressure.
- A kind of multi-arm dual-frequency helical antenna device the most according to claim 1, it is characterised in that: described feeding network is all on earth plate.
- A kind of multi-arm dual-frequency helical antenna device the most according to claim 1, it is characterised in that: described radiant body first is than radiant body second brachium.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620419022.6U CN205752527U (en) | 2016-05-10 | 2016-05-10 | A kind of multi-arm dual-frequency helical antenna device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620419022.6U CN205752527U (en) | 2016-05-10 | 2016-05-10 | A kind of multi-arm dual-frequency helical antenna device |
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| CN205752527U true CN205752527U (en) | 2016-11-30 |
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| CN201620419022.6U Expired - Fee Related CN205752527U (en) | 2016-05-10 | 2016-05-10 | A kind of multi-arm dual-frequency helical antenna device |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108511907A (en) * | 2018-05-11 | 2018-09-07 | 瑞声科技(新加坡)有限公司 | Antenna system and communicating terminal |
| CN109462032A (en) * | 2018-10-10 | 2019-03-12 | 江苏三和欣创通信科技有限公司 | A kind of more star dual-band antennas based on multi-arm spiral |
| CN109462034A (en) * | 2018-10-12 | 2019-03-12 | 江苏三和欣创通信科技有限公司 | A kind of more star multifrequency measurement type antennas of external |
| CN110828994A (en) * | 2019-11-13 | 2020-02-21 | 深圳市维力谷无线技术股份有限公司 | High-precision watch antenna |
| CN111342220A (en) * | 2020-01-13 | 2020-06-26 | 深圳市天地星联通信科技有限公司 | High-precision Beidou multi-arm spiral antenna receiving device |
| CN112615131A (en) * | 2020-11-20 | 2021-04-06 | 嘉兴佳利电子有限公司 | Method for optimizing performance of four-arm helical antenna |
| CN112823447A (en) * | 2018-10-12 | 2021-05-18 | 华为技术有限公司 | Antenna and wireless device |
| CN114094315A (en) * | 2020-08-24 | 2022-02-25 | 千寻位置网络有限公司 | Eight-arm spiral double-frequency circularly polarized antenna |
| CN114336011A (en) * | 2021-12-29 | 2022-04-12 | 重庆两江卫星移动通信有限公司 | Double-frequency quadrifilar helix antenna applied to low-earth-orbit satellite communication |
-
2016
- 2016-05-10 CN CN201620419022.6U patent/CN205752527U/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108511907A (en) * | 2018-05-11 | 2018-09-07 | 瑞声科技(新加坡)有限公司 | Antenna system and communicating terminal |
| CN109462032A (en) * | 2018-10-10 | 2019-03-12 | 江苏三和欣创通信科技有限公司 | A kind of more star dual-band antennas based on multi-arm spiral |
| CN109462032B (en) * | 2018-10-10 | 2021-01-12 | 江苏三和欣创通信科技有限公司 | Multi-star dual-frequency antenna based on multi-arm spiral |
| CN109462034A (en) * | 2018-10-12 | 2019-03-12 | 江苏三和欣创通信科技有限公司 | A kind of more star multifrequency measurement type antennas of external |
| CN109462034B (en) * | 2018-10-12 | 2021-05-07 | 江苏三和欣创通信科技有限公司 | External multi-satellite multi-frequency measurement type antenna |
| CN112823447A (en) * | 2018-10-12 | 2021-05-18 | 华为技术有限公司 | Antenna and wireless device |
| CN110828994A (en) * | 2019-11-13 | 2020-02-21 | 深圳市维力谷无线技术股份有限公司 | High-precision watch antenna |
| CN111342220A (en) * | 2020-01-13 | 2020-06-26 | 深圳市天地星联通信科技有限公司 | High-precision Beidou multi-arm spiral antenna receiving device |
| CN114094315A (en) * | 2020-08-24 | 2022-02-25 | 千寻位置网络有限公司 | Eight-arm spiral double-frequency circularly polarized antenna |
| CN112615131A (en) * | 2020-11-20 | 2021-04-06 | 嘉兴佳利电子有限公司 | Method for optimizing performance of four-arm helical antenna |
| CN112615131B (en) * | 2020-11-20 | 2022-07-15 | 嘉兴佳利电子有限公司 | Method for optimizing performance of four-arm helical antenna |
| CN114336011A (en) * | 2021-12-29 | 2022-04-12 | 重庆两江卫星移动通信有限公司 | Double-frequency quadrifilar helix antenna applied to low-earth-orbit satellite communication |
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| Date | Code | Title | Description |
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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: 20161130 Termination date: 20200510 |
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| CF01 | Termination of patent right due to non-payment of annual fee |