CN204760536U - Miniaturized handheld terminal of mobile satellite communication antenna - Google Patents
Miniaturized handheld terminal of mobile satellite communication antenna Download PDFInfo
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- CN204760536U CN204760536U CN201520490232.XU CN201520490232U CN204760536U CN 204760536 U CN204760536 U CN 204760536U CN 201520490232 U CN201520490232 U CN 201520490232U CN 204760536 U CN204760536 U CN 204760536U
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- hollow cylinder
- spiral arm
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- circular polarization
- cylinder structure
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Abstract
The utility model discloses a miniaturized handheld terminal of mobile satellite communication antenna for the current handheld terminal of the mobile satellite communication antenna structure size of solution is big, the problem of work tape width. Including hollow cylinder structure (1), four group's spiral arm (2) and circular polarization feeding unit (3), long spiral arm (5) and short spiral arm (6) that every group spiral arm (2) links to each other including the bottom, the equidistant range of four group's spiral arms (2), four length of branch spiral arms (5) and four short spiral arm (6) interval in proper order just, the surface in hollow cylinder structure (1) is carved to parallel radium, and long spiral arm (5) extend to the top of hollow cylinder structure (1), have circular polarization feeding unit (3) at the lower extreme internally mounted of hollow cylinder structure (1), its output and input link to each other with four group's spiral arms (2) and cable (4) respectively. The utility model has the characteristics of miniaturize, can realize the two -frequency operation, can be applied to the mobile satellite communication system.
Description
Technical field
The utility model belongs to antenna technical field, relates to a kind of miniaturized mobile satellite communication handheld terminal antenna, can be used for mobile satellite communication system.
Background technology
Antenna is the electromagnetic important wireless devices of transmitting and receiving.Along with the fast development of mobile satellite communication technology, market is also more and more higher for the demand of high performance antenna product, and the demand of the hand-held terminal device of especially little to volume, easy to carry, high sensitivity and high stability is more urgent.
In mobile satellite communication earth station and satellite navigation, require that antenna has broad beam, circular polarization characteristics, to keep satellite at the volley in the coverage of antenna beam.Meanwhile, antenna must have broadband or two-frequency operation characteristic, so that sending and receiving share one pair of antenna.Four-arm spiral antenna has excellent circular polarization characteristics and broad beam characteristic, is therefore widely used in mobile satellite communication.Common four-arm spiral antenna is resonant antenna, and bandwidth is narrower, is difficult to the requirement meeting mobile satellite communication antenna broadband or dual band operation, so need research wideband or double-frequency quadrifilar helix antenna.Current four-arm spiral antenna is mainly divided into two kinds, and one is that directly to adopt plain conductor to turn to spiral-shaped, and another kind is the four-arm spiral antenna printed.Chinese patent grant number CN204167476U discloses a kind of mobile-satellite handheld terminal antenna, belong to the wall helical antenna of printing, its structure as shown in Figure 1, comprise four-arm spiral antenna, circular polarization network components and antenna casing, its by four arm printed spiral in flexible dielectric substrate, medium substrate encloses cylindrical shape, and be fixed on circular polarization network components, medium substrate outside is provided with antenna casing.This antenna height is 90mm, but its diameter reaches 15mm, and for the hand-held terminal device of finite thickness, diameter is still thicker; Moreover this four arm spirals are all more loaded down with trivial details in making and assembling, and its flexible dielectric substrate not easily encloses regular cylinder, and product steadiness is poor.
Summary of the invention
The purpose of this utility model is the deficiency overcoming the existence of above-mentioned prior art, propose a kind of miniaturized mobile satellite communication handheld terminal antenna, for solving, existing mobile satellite communication handheld terminal antenna structure size is large, the problem of work strip width, can be used for mobile-satellite double frequency transceive communications.
For achieving the above object, the technical scheme that the utility model is taked is:
A kind of miniaturized mobile satellite communication handheld terminal antenna, comprise medium substrate, radiant body and circular polarization feeding pack, described radiant body adopts four arm helical structures, and circular polarization feeding pack is connected with radiant body; The hollow cylinder structure 1 that medium substrate adopts lower ending opening upper end closed; Radiant body is made up of four groups of spiral arm 2, often organize spiral arm 2 and comprise the connected long spire arm 5 in bottom and short spiral arm 6, these four groups of spiral arm 2 equidistantly arrange, and radium carving is at the outer surface of hollow cylinder structure 1, and long spire arm 5 extends upwardly to the top of hollow cylinder structure 1; Be provided with circular polarization feeding pack 3 in the inside, lower end of hollow cylinder structure 1, the output of this circular polarization feeding pack 3 is connected with cable 4 with four groups of spiral arm 2 respectively with input.
Above-mentioned miniaturized mobile satellite communication handheld terminal antenna, the structure and specification of four groups of spiral arm 2 is identical, and four long spire arms 5 and four short spiral arm 6 spaced and parallel arrangements successively, radium carving is at the outer surface of hollow cylinder structure 1.
Above-mentioned miniaturized mobile satellite communication handheld terminal antenna, the extension of long spire arm 5 on hollow cylinder structure 1 top and its part on hollow cylinder external surface are around to identical.
Above-mentioned miniaturized mobile satellite communication handheld terminal antenna, the bottom inside wall of hollow cylinder structure 1 being provided with raised structures, for installing circular polarization feeding pack 3, sidewall often being organized the link position of spiral arm bottom it, be provided with four plated-through holes 12, form four distributing points.
Above-mentioned miniaturized mobile satellite communication handheld terminal antenna, circular polarization feeding pack 3 is integrated with circular polarization and forms network and impedance matching circuit, and this circular polarization feeding pack 3 is provided with four outputs 7,8,9 and 10, and the via hole 12 that metallizes with four is respectively connected.
Compared with prior art, tool has the following advantages the utility model:
1, the utility model is due to the hollow cylinder structure of medium substrate employing upper end closed lower end opening, four groups of spiral arm equidistantly arrange the outer surface of radium carving in this hollow cylinder structure, and often the long spire arm organized in spiral arm extends to hollow cylinder structure top end, without the need to adding shell, diameter and the height of antenna is decreased under the prerequisite ensureing antenna performance, compared with existing mobile satellite communication handheld terminal antenna, efficiently reduce physical dimension.
2, the utility model adopts four groups of spiral arm due to radiant body, and often group spiral arm comprises the connected long spire arm in bottom and short spiral arm, by regulating the length of long spire arm and short spiral arm, make long spire arm resonance in low frequency, short spiral arm resonance in high frequency, thus realizes two-frequency operation, meet the requirement that mobile satellite communication sending and receiving share, compared with existing mobile satellite communication handheld terminal antenna, widen the bandwidth of antenna, the needs of more users can have been met.
3, the utility model forms network and impedance matching circuit because circular polarization feeding pack is integrated with circular polarization, and this circular polarization feeding pack is arranged on the raised structures of lower end inside wall setting of hollow cylinder structure, its output can be connected with the metallization via hole that hollow cylinder structural base sidewall is arranged easily, be convenient to assembling, Stability Analysis of Structures.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram of existing mobile-satellite handheld terminal antenna;
Fig. 2 is overall structure figure of the present utility model;
Fig. 3 is vertical view of the present utility model;
Fig. 4 is the outwardly deploying schematic diagram of hollow cylinder structural vertical part of the present utility model;
Fig. 5 is the utility model circular polarization feeding pack schematic diagram;
Fig. 6 is the utility model hollow cylinder structural base structural representation.
Embodiment
Below in conjunction with drawings and Examples, the utility model is further described.
With reference to Fig. 2, the utility model comprises hollow cylinder structure 1, four groups of spiral arm 2 and circular polarization feeding pack 3; Hollow cylinder structure 1 adopts ABS material, form by hollow cylinder with the hollow semicircle spheroid that its upper end is connected smoothly, form lower ending opening upper end closing structure, the height H=95mm of this hollow cylinder structure 1, outer diameter D=the 13mm of hollow cylinder, wall thickness 1.5mm; Four groups of spiral arm 2 that structure and specification is identical form radiant body, spiral arm adopts metal patch, often organize spiral arm 2 and comprise a long spire arm 5 and a short spiral arm 6, the width of long spire arm 5 and short spiral arm 6 is equal, and bottom is connected, four long spire arms 5 in these four groups of spiral arm 2 and four short spiral arm 6 intervals successively, equidistantly arranged in parallel, radium carving is at the outer surface of hollow cylinder structure 1 from bottom to top, can effectively reduce diameter and the height of antenna, and stabilized structure, be easy to processing; Article four, long spire arm 5 extends to the top of hollow cylinder structure 1.By regulating the length of long spire arm 5 and short spiral arm 6, make long spire arm 6 resonance in the low-frequency range of antenna, short spiral arm 5 resonance in the high band of antenna, for meeting the requirement of mobile-satellite dual band communication transmit-receive sharing.Be provided with circular polarization feeding pack 3 in the inside, lower end of hollow cylinder structure 1, circular polarization feeding pack 3 is provided with four road outputs, and be connected with the bottom junctions of short spiral arm 6 with the long spire arm 5 of four groups of spiral arm 2 respectively, input is connected with cable 4.
With reference to Fig. 3, the extension of four long spire arms 5 of the upper end hollow semi-round ball external surface radium carving of hollow cylinder structure 1, with four groups of spiral arm 2 that radium on hollow cylinder external surface is carved around to identical, extension length is 15mm.
With reference to Fig. 4, the outwardly deploying schematic diagram of hollow cylinder structural vertical part of the present utility model, the lead angle of four groups of spiral arm 2 is the length L1=128.5mm of α=55 degree, long spire arm 5, the length L2=107.5mm of short spiral arm 6, these two spiral arm width are 1mm.
With reference to Fig. 5, circular polarization feeding pack 3 is integrated with circular polarization and forms network and impedance matching circuit, four road outputs 7 of circular polarization feeding pack 3,8,9 and 10, differ 90 degree between two, for connecting four metallization via holes respectively, input port 11 is for being connected with cable 4.
With reference to Fig. 6, in hollow cylinder structure 1 lower end, internal side wall is provided with raised structures, for installing circular polarization feeding pack 3, sidewall is often organized the long spire arm 5 of spiral arm 2 and the link position of short spiral arm 6 bottom it, be provided with four plated-through holes 12, form four distributing points, one end is used for the four road outputs 7 connecting circular polarization feeding pack 3 respectively, 8,9 and 10, the other end is used for connecting four groups of spiral arm 2 respectively.
Embodiment of the present utility model is operated in uplink and downlink frequency range 1980 ~ 2010MHz, the 2170 ~ 2200MHz of S-band satellite communication.
More than describing is only instantiation of the present utility model; obviously for those skilled in the art; after having understood content of the present utility model and principle; all may when not deviating from the utility model principle, structure; carry out the various correction in form and details and change, but these corrections based on the utility model thought and change are still within claims of the present utility model.
Claims (5)
1. a miniaturized mobile satellite communication handheld terminal antenna, comprises medium substrate, radiant body and circular polarization feeding pack, and described radiant body adopts four arm helical structures, and circular polarization feeding pack is connected with radiant body; It is characterized in that, the hollow cylinder structure (1) that medium substrate adopts lower ending opening upper end closed; Radiant body is made up of four groups of spiral arm (2), often organize spiral arm (2) and comprise the connected long spire arm (5) in bottom and short spiral arm (6), these four groups of spiral arm (2) equidistantly arrange, the outer surface of radium carving in hollow cylinder structure (1), and long spire arm (5) extends upwardly to the top of hollow cylinder structure (1); Be provided with circular polarization feeding pack (3) in the inside, lower end of hollow cylinder structure (1), the output of this circular polarization feeding pack (3) is connected with cable (4) with four groups of spiral arm (2) respectively with input.
2. miniaturized mobile satellite communication handheld terminal antenna according to claim 1, it is characterized in that, the structure and specification of described four groups of spiral arm (2) is identical, and four long spire arms (5) and four short spiral arm (6) intervals successively, arranged in parallel, the outer surface of radium carving in hollow cylinder structure (1).
3. miniaturized mobile satellite communication handheld terminal antenna according to claim 1, it is characterized in that, the extension of described long spire arm (5) on hollow cylinder structure (1) top and its part on hollow cylinder external surface are around to identical.
4. miniaturized mobile satellite communication handheld terminal antenna according to claim 1, it is characterized in that, the bottom inside wall of described hollow cylinder structure (1) is provided with raised structures, for installing circular polarization feeding pack (3), sidewall is often organized the link position of spiral arm bottom it, be provided with four plated-through holes (12), form four distributing points.
5. miniaturized mobile satellite communication handheld terminal antenna according to claim 1, it is characterized in that, described circular polarization feeding pack (3) is integrated with circular polarization and forms network and impedance matching circuit, this circular polarization feeding pack (3) is provided with four outputs (7,8,9,10) via hole (12) that, metallizes with four is respectively connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520490232.XU CN204760536U (en) | 2015-07-08 | 2015-07-08 | Miniaturized handheld terminal of mobile satellite communication antenna |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520490232.XU CN204760536U (en) | 2015-07-08 | 2015-07-08 | Miniaturized handheld terminal of mobile satellite communication antenna |
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| Publication Number | Publication Date |
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| CN204760536U true CN204760536U (en) | 2015-11-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520490232.XU Expired - Fee Related CN204760536U (en) | 2015-07-08 | 2015-07-08 | Miniaturized handheld terminal of mobile satellite communication antenna |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105514582A (en) * | 2015-12-10 | 2016-04-20 | 上海海积信息科技股份有限公司 | Four-arm spiral antenna |
| CN105576353A (en) * | 2015-12-17 | 2016-05-11 | 上海海积信息科技股份有限公司 | Helical antenna |
| CN105633573A (en) * | 2016-01-05 | 2016-06-01 | 上海海积信息科技股份有限公司 | Navigation positioning antenna |
| CN106532233A (en) * | 2016-06-29 | 2017-03-22 | 深圳市中兴物联科技股份有限公司 | Helical antenna |
| CN106532230A (en) * | 2016-12-30 | 2017-03-22 | 广州中海达卫星导航技术股份有限公司 | Helical antenna for unmanned aerial vehicle |
| CN106785387A (en) * | 2016-12-01 | 2017-05-31 | 深圳市维力谷无线技术股份有限公司 | A kind of dual-mode antenna of satellite communication hand-held terminal |
| CN106848543A (en) * | 2017-01-12 | 2017-06-13 | 成都天锐通科技有限公司 | A kind of helical antenna |
| CN106961006A (en) * | 2017-04-01 | 2017-07-18 | 西安星网天线技术有限公司 | A kind of DBDM minimizes hand-held set antenna |
| CN107104280A (en) * | 2017-06-12 | 2017-08-29 | 西安巨向导航科技有限公司 | Novel helical antenna |
| CN107834175A (en) * | 2017-11-15 | 2018-03-23 | 福建福大北斗通信科技有限公司 | One kind miniaturization top-loaded double-frequency quadrifilar helix antenna and its method of work |
| CN108091995A (en) * | 2018-01-25 | 2018-05-29 | 电信科学技术第研究所有限公司 | A kind of eight arm spiral circular polarisation dual-band antennas suitable for laser direct structuring technique |
| CN108281785A (en) * | 2018-01-23 | 2018-07-13 | 北京微纳星空科技有限公司 | A kind of mobile satellite communication handheld terminal antenna |
| CN114824787A (en) * | 2022-05-12 | 2022-07-29 | 成都市第三人民医院 | Phased array antenna, microwave thermotherapy equipment and equipment control method |
-
2015
- 2015-07-08 CN CN201520490232.XU patent/CN204760536U/en not_active Expired - Fee Related
Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105514582A (en) * | 2015-12-10 | 2016-04-20 | 上海海积信息科技股份有限公司 | Four-arm spiral antenna |
| CN105576353B (en) * | 2015-12-17 | 2018-06-19 | 上海海积信息科技股份有限公司 | A kind of helical antenna |
| CN105576353A (en) * | 2015-12-17 | 2016-05-11 | 上海海积信息科技股份有限公司 | Helical antenna |
| CN105633573A (en) * | 2016-01-05 | 2016-06-01 | 上海海积信息科技股份有限公司 | Navigation positioning antenna |
| CN105633573B (en) * | 2016-01-05 | 2020-10-27 | 上海海积信息科技股份有限公司 | Navigation positioning antenna |
| CN106532233A (en) * | 2016-06-29 | 2017-03-22 | 深圳市中兴物联科技股份有限公司 | Helical antenna |
| CN106785387A (en) * | 2016-12-01 | 2017-05-31 | 深圳市维力谷无线技术股份有限公司 | A kind of dual-mode antenna of satellite communication hand-held terminal |
| CN106532230A (en) * | 2016-12-30 | 2017-03-22 | 广州中海达卫星导航技术股份有限公司 | Helical antenna for unmanned aerial vehicle |
| CN106848543A (en) * | 2017-01-12 | 2017-06-13 | 成都天锐通科技有限公司 | A kind of helical antenna |
| CN106961006A (en) * | 2017-04-01 | 2017-07-18 | 西安星网天线技术有限公司 | A kind of DBDM minimizes hand-held set antenna |
| CN107104280A (en) * | 2017-06-12 | 2017-08-29 | 西安巨向导航科技有限公司 | Novel helical antenna |
| CN107834175A (en) * | 2017-11-15 | 2018-03-23 | 福建福大北斗通信科技有限公司 | One kind miniaturization top-loaded double-frequency quadrifilar helix antenna and its method of work |
| CN107834175B (en) * | 2017-11-15 | 2023-09-29 | 福建福大北斗通信科技有限公司 | Miniaturized top-loading double-frequency four-arm spiral antenna and working method thereof |
| CN108281785A (en) * | 2018-01-23 | 2018-07-13 | 北京微纳星空科技有限公司 | A kind of mobile satellite communication handheld terminal antenna |
| CN108091995A (en) * | 2018-01-25 | 2018-05-29 | 电信科学技术第研究所有限公司 | A kind of eight arm spiral circular polarisation dual-band antennas suitable for laser direct structuring technique |
| CN108091995B (en) * | 2018-01-25 | 2023-09-22 | 电信科学技术第一研究所有限公司 | Eight-arm spiral circular polarization dual-frequency antenna suitable for laser direct structuring technology |
| CN114824787A (en) * | 2022-05-12 | 2022-07-29 | 成都市第三人民医院 | Phased array antenna, microwave thermotherapy equipment and equipment control method |
| CN114824787B (en) * | 2022-05-12 | 2023-03-10 | 成都市第三人民医院 | Phased array antenna, microwave thermotherapy equipment and equipment control method |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151111 Termination date: 20200708 |