CN204167476U - A kind of hand-held set terminal antenna for mobile satellite communication system - Google Patents
A kind of hand-held set terminal antenna for mobile satellite communication system Download PDFInfo
- Publication number
- CN204167476U CN204167476U CN201420669619.7U CN201420669619U CN204167476U CN 204167476 U CN204167476 U CN 204167476U CN 201420669619 U CN201420669619 U CN 201420669619U CN 204167476 U CN204167476 U CN 204167476U
- Authority
- CN
- China
- Prior art keywords
- arm
- spiral arm
- antenna
- spiral
- circular polarization
- 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.)
- Withdrawn - After Issue
Links
Abstract
The utility model discloses a kind of hand-held set terminal antenna for mobile satellite communication system, comprise four-arm spiral antenna, circular polarization network components and antenna casing, described four-arm spiral antenna comprises first to fourth spiral arm paster and media cylinders, first to fourth spiral arm paster printed spiral is at media cylinders outer wall, media cylinders is fixed on circular polarization network components, and media cylinders outside is provided with antenna casing; Circular polarization network components comprises first to fourth microband paste and LTCC circular polarization network, wherein one end of first to fourth microband paste is connected with four output ports of LTCC circular polarization network respectively, and the other end of first to fourth microband paste is connected with first to fourth spiral arm paster respectively; The input port of described LTCC circular polarization network is radio frequency connector, and described radio frequency connector is connected with the radio circuit of hand-held set terminal.
Description
Technical field
The utility model relates to a kind of antenna, is applied to mobile satellite communication system, is specifically related to a kind of hand-held set terminal antenna for mobile satellite communication system.
Background technology
Satellite communication terminal has transmitting-receiving two frequency ranges usually, therefore satellite communication hand-held machine antenna requirement dual band operation.And common four-arm spiral antenna is resonant antenna, bandwidth is narrower, therefore needs research wideband or double-frequency quadrifilar helix antenna.
Owing to being subject to the restriction of hand-held set size, hand-held set antenna not only has requirement to working frequency range and gain, also has a definite limitation to its size.S frequency range hand-held set antenna requirement diameter is within 15mm, and height is within 90mm.
Current four-arm spiral antenna mainly comprises two kinds, and one is that directly to adopt plain conductor to turn to spiral-shaped, and the second is printing four-arm spiral antenna.Wherein the second is owing to having the advantages such as volume is little, lightweight, is more suitable for as hand-held set antenna.
2006, Yoann Letestu published an article Broadband Folded Printed QuadrifilarHelical Antenna on IEEE Transactions on Antennas andPropagation, devises broadband four-arm spiral antenna.The advantage of this antenna is broader bandwidth, is probably 30%, can cover the transmitting-receiving frequency range of hand-held set antenna, but diameter is comparatively large, is difficult to the dimensional requirement meeting hand-held set antenna.
In order to realize transmit-receive sharing, also two-band four-arm spiral antenna can be adopted.The simplest a kind of double-frequency quadrifilar helix antenna is exactly the article " a kind of design of Novel double-frequency broad beam four-arm spiral antenna " that the people such as Bai Xudong are published in research institute of China Electronics journal.This article realizes two-frequency operation by antenna similar for two auxiliary structures working in different frequency range is formed an entirety in inside and outside coaxial mode, advantage is that two frequency ranges all achieve good broad beam circular polarization performance, shortcoming is that two slave antennas all adopt plain conductor coiling, except heavier-weight, volume is also difficult to meet the requirement to hand-held set antenna.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of broadband, the hand-held set terminal antenna for mobile satellite communication system that volume is little.
For solving the problems of the technologies described above, technical solution adopted in the utility model is:
A kind of hand-held set terminal antenna for mobile satellite communication system, comprise four-arm spiral antenna, circular polarization network components and antenna casing, it is characterized in that: described four-arm spiral antenna comprises first to fourth spiral arm paster and media cylinders, first to fourth spiral arm paster printed spiral is at media cylinders outer wall, media cylinders is fixed on circular polarization network components, and media cylinders outside is provided with antenna casing; Circular polarization network components comprises first to fourth microband paste and LTCC circular polarization network, first to fourth microband paste one end separately connects one to one with four output ports of LTCC circular polarization network respectively, and the first to fourth microband paste other end separately connects one to one with first to fourth spiral arm paster respectively; The input port of described LTCC circular polarization network is for connecting outside hand-held set terminal radio frequency circuit.
Wherein, first to fourth described spiral arm paster structure is all identical; Described first spiral arm paster is by principal screw arm, secondary spiral arm, the first auxiliary spiral arm and the second auxiliary spiral arm one-shot forming, one end of secondary spiral arm is welded with the first microband paste be positioned at bottom media cylinders, one end of another termination principal screw arm of secondary spiral arm, the other end of principal screw arm connects one end of the first auxiliary spiral arm and one end of the second auxiliary spiral arm respectively, and the other end of the first auxiliary spiral arm arrives the top of media cylinders; First auxiliary spiral arm and the second auxiliary spiral arm arrange length that is parallel and the first auxiliary spiral arm and are slightly longer than the second auxiliary spiral arm.
Wherein, the width of described principal screw arm is all wide than secondary spiral arm, the first auxiliary spiral arm and the second auxiliary spiral arm width separately; The center of principal screw arm one end connects time spiral arm, and the edge position, left side of the principal screw arm other end connects the first auxiliary spiral arm, and its right edge position connects the second auxiliary spiral arm.
Wherein, also comprise radio frequency connector, the input port of described LTCC circular polarization network connects the output port of radio frequency connector, and the input port of radio frequency connector is for connecting outside hand-held set terminal radio frequency circuit.
Wherein, the characteristic impedance of first to fourth described microband paste is 50 ohm.
Wherein said media cylinders is 2.2 by dielectric constant and the flexible media plate that thickness is 0.127mm encloses and forms.
The beneficial effect adopting technique scheme to produce is:
1, four of antenna spiral arm are printed on flexible media plate by the utility model, then are rolled into by dielectric-slab cylindrical, form radiating antenna, ensure the volume and weight of antenna with this.
2, in order to realize two-frequency operation, the antenna arm of common four-arm spiral antenna is divided into three sections by the utility model, first paragraph spiral arm is thinner, second segment spiral arm is thicker, final stage spiral arm is the thinner spiral arm that two length do not wait, realizing two-frequency operation with this, can ensure that by regulating the size of three sections of spiral arm the bandwidth of two frequency ranges is roughly the same, ensure that the bandwidth of receiving and dispatching frequency range all can meet the demands with this.
3, adopt LTCC circular polarization network to ensure the size of four-arm spiral antenna circular polarization network, ensure the Miniaturization Design of antenna with this.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation of four-arm spiral antenna;
Fig. 3 is the structural representation of circular polarization network components;
Fig. 4 is the planar structure schematic diagram of four-arm spiral antenna.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
As shown in Figure 1 and Figure 4, a kind of hand-held set terminal antenna for mobile satellite communication system of the utility model, comprises four-arm spiral antenna 1, circular polarization network components 2, radio frequency connector 3 and antenna casing 4.Described media cylinders 9 is 2.2 by dielectric constant and the flexible media plate that thickness is 0.127mm encloses and forms.
Described four-arm spiral antenna 1 comprises the first spiral arm paster 5, second spiral arm paster 6, triple helical arm paster 7 and the 4th spiral arm paster 8 and media cylinders 9, first to fourth spiral arm paster printed spiral is on media cylinders 9 outer wall, media cylinders 9 is fixed on circular polarization network components 2, and media cylinders 9 outside is provided with antenna casing 4, circular polarization network components 2 comprises the first microband paste 10, second microband paste 11, 3rd microband paste 12, 4th microband paste 13 and LTCC circular polarization network 14, first spiral arm paster 5, second spiral arm paster 6, triple helical arm paster 7 and the respective one end of the 4th spiral arm paster 8 connect one to one with four output ports of LTCC circular polarization network 14 respectively, first spiral arm paster 5, second spiral arm paster 6, triple helical arm paster 7 and the respective other end of the 4th spiral arm paster 8 respectively with the first microband paste 10, second microband paste 11, 3rd microband paste 12, 4th microband paste 13 connects one to one.The input port of described LTCC circular polarization network 14 is for connecting outside hand-held set terminal radio frequency circuit.As another kind of embodiment, the input port of described LTCC circular polarization network 14 connects the output port of radio frequency connector 3, and the input port of radio frequency connector 3 is for connecting outside hand-held set terminal radio frequency circuit.
The first described spiral arm paster 5, second spiral arm paster 6, triple helical arm paster 7 are all identical with the 4th spiral arm paster 8 structure; Described first spiral arm paster 5 is by principal screw arm 16, secondary spiral arm 15, first auxiliary spiral arm 18 and the second auxiliary spiral arm 17 one-shot forming, one end of secondary spiral arm 15 is welded with the first microband paste 10 be positioned at bottom media cylinders 9, one end of another termination principal screw arm 16 of secondary spiral arm 15, the other end of principal screw arm 16 connects one end 18 of the first auxiliary spiral arm and one end of the second auxiliary spiral arm 17 respectively, and the other end 18 of the first auxiliary spiral arm arrives the top of media cylinders 9; First auxiliary spiral arm 18 and the second auxiliary spiral arm 17 arrange length that is parallel and the first auxiliary spiral arm 18 and are slightly longer than the second auxiliary spiral arm 17.In embodiment, the characteristic impedance of first to fourth microband paste is 50 ohm.
The width of described principal screw arm 16 all than the auxiliary spiral arm 18 of secondary spiral arm 15, first and the respective width of the second auxiliary spiral arm 17 wide; The center of principal screw arm 16 one end connects time spiral arm 15, and the edge position, left side of principal screw arm 16 other end connects the first auxiliary spiral arm 18, and its right edge position connects the second auxiliary spiral arm 17.
Operation principle: when mobile phone is in emission state, it transmits, and to form four tunnel amplitudes by LTCC circular polarization network equal, and phase place differs the radiofrequency signal of 90 ° successively, and this four roads signal is radiated free space by four-arm spiral antenna synthesis circularly polarised wave; When mobile phone is in accepting state, four spiral arm of four-arm spiral antenna receive four tunnel radiofrequency signals successively, and by LTCC circular polarization network synthesis circularly polarised wave, enter into the radio frequency reception channel of mobile phone.Four-arm spiral antenna every bar spiral arm comprises principal screw arm, secondary spiral arm, the first auxiliary spiral arm and the second auxiliary spiral arm, by regulating the length of the first auxiliary spiral arm and the second auxiliary spiral arm, can form transmitting and receiving two resonance frequencys; By regulating principal screw arm and time spiral arm length and width to regulate input impedance, can ensure that the bandwidth of two resonance frequencys all can cover transmitting-receiving frequency range.
Claims (6)
1. the hand-held set terminal antenna for mobile satellite communication system, comprise four-arm spiral antenna (1), circular polarization network components (2) and antenna casing (4), it is characterized in that: described four-arm spiral antenna (1) comprises first to fourth spiral arm paster (5, 6, 7, 8) and media cylinders (9), first to fourth spiral arm paster (5, 6, 7, 8) printed spiral is at media cylinders (9) outer wall, media cylinders (9) is fixed on circular polarization network components (2), media cylinders (9) outside is provided with antenna casing (4), circular polarization network components (2) comprises first to fourth microband paste (10,11,12,13) and LTCC circular polarization network (14), the respective one end of first to fourth microband paste (10,11,12,13) connects one to one with four output ports of LTCC circular polarization network (14) respectively, and the respective other end of first to fourth microband paste (10,11,12,13) connects one to one with first to fourth spiral arm paster (5,6,7,8) respectively, the input port of described LTCC circular polarization network (14) is for connecting outside hand-held set terminal radio frequency circuit.
2. a kind of hand-held set terminal antenna for mobile satellite communication system according to claim 1, is characterized in that: described first to fourth spiral arm paster (5,6,7,8) structure is all identical, described first spiral arm paster (5) is by principal screw arm (16), secondary spiral arm (15), first auxiliary spiral arm (18) and the second auxiliary spiral arm (17) one-shot forming, one end of secondary spiral arm (15) is welded with the first microband paste (10) being positioned at media cylinders (9) bottom, one end of another termination principal screw arm (16) of secondary spiral arm (15), the other end of principal screw arm (16) connects one end (18) of the first auxiliary spiral arm and one end of the second auxiliary spiral arm (17) respectively, the other end (18) of the first auxiliary spiral arm arrives the top of media cylinders (9), first auxiliary spiral arm (18) and the second auxiliary spiral arm (17) arrange length that is parallel and the first auxiliary spiral arm (18) and are slightly longer than the second auxiliary spiral arm (17).
3. a kind of hand-held set terminal antenna for mobile satellite communication system according to claim 2, is characterized in that: the width that the width of described principal screw arm (16) is all respective than secondary spiral arm (15), the first auxiliary spiral arm (18) and the second auxiliary spiral arm (17) is wide; The center of principal screw arm (16) one end connects time spiral arm (15), the edge position, left side of principal screw arm (16) other end connects the first auxiliary spiral arm (18), and its right edge position connects the second auxiliary spiral arm (17).
4. a kind of hand-held set terminal antenna for mobile satellite communication system according to claim 1, it is characterized in that: also comprise radio frequency connector (3), the input port of described LTCC circular polarization network (14) connects the output port of radio frequency connector (3), and the input port of radio frequency connector (3) is for connecting outside hand-held set terminal radio frequency circuit.
5. a kind of hand-held set terminal antenna for mobile satellite communication system according to claim 1, is characterized in that: the characteristic impedance of described first to fourth microband paste (10,11,12,13) is 50 ohm.
6. a kind of hand-held set terminal antenna for mobile satellite communication system according to claim 1, is characterized in that: described media cylinders (9) is 2.2 by dielectric constant and the flexible media plate that thickness is 0.127mm encloses and forms.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420669619.7U CN204167476U (en) | 2014-11-10 | 2014-11-10 | A kind of hand-held set terminal antenna for mobile satellite communication system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420669619.7U CN204167476U (en) | 2014-11-10 | 2014-11-10 | A kind of hand-held set terminal antenna for mobile satellite communication system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204167476U true CN204167476U (en) | 2015-02-18 |
Family
ID=52541132
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420669619.7U Withdrawn - After Issue CN204167476U (en) | 2014-11-10 | 2014-11-10 | A kind of hand-held set terminal antenna for mobile satellite communication system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204167476U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104332704B (en) * | 2014-11-10 | 2017-04-05 | 中国电子科技集团公司第五十四研究所 | A kind of hand-held set terminal antenna for mobile satellite communication system |
| CN113851835A (en) * | 2021-12-01 | 2021-12-28 | 陕西海积信息科技有限公司 | Horizontal omnidirectional circularly polarized antenna |
-
2014
- 2014-11-10 CN CN201420669619.7U patent/CN204167476U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104332704B (en) * | 2014-11-10 | 2017-04-05 | 中国电子科技集团公司第五十四研究所 | A kind of hand-held set terminal antenna for mobile satellite communication system |
| CN113851835A (en) * | 2021-12-01 | 2021-12-28 | 陕西海积信息科技有限公司 | Horizontal omnidirectional circularly polarized antenna |
| CN113851835B (en) * | 2021-12-01 | 2022-03-11 | 陕西海积信息科技有限公司 | Horizontal omnidirectional circularly polarized antenna |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104332704A (en) | Handset terminal antenna for mobile satellite communication system | |
| US10038235B2 (en) | Multi-mode, multi-band antenna | |
| EP1542314A1 (en) | Three-dimensional omni-directional monopole antenna designs for ultra- wideband applications | |
| US9385427B2 (en) | Multi-band antenna and wireless communication device employing same | |
| CN102820523B (en) | Multifrequency antenna | |
| CN104466380A (en) | Planar double-frequency dual-circularly-polarized array antenna | |
| CN103985956B (en) | A kind of ring T-shaped multiband antenna for mobile phone | |
| CN106299690A (en) | A kind of differential feed Broadband circularly polarized antenna | |
| CN204216221U (en) | 2.8GHz prints four-arm spiral antenna | |
| CN108448234A (en) | The three frequency range MIMO terminal antennas based on composite left-and-right-hand transmission line structure | |
| CN104157987A (en) | Miniature MIMO (Multiple Input Multiple Output) ultra-wideband antenna | |
| CN204167476U (en) | A kind of hand-held set terminal antenna for mobile satellite communication system | |
| CN108511892B (en) | Compact multi-band antenna | |
| CN102881993B (en) | Portable DNA simulation reconfigurable antenna | |
| CN207781881U (en) | A kind of high-gain small-sized movable satellite communication hand-held terminal antenna | |
| CN107706546B (en) | Multi-band antenna with parasitic coupling feed | |
| CN101483268A (en) | Different surface bending dual frequency LTCC antenna | |
| CN206225547U (en) | A kind of differential feed Broadband circularly polarized antenna | |
| CN209948047U (en) | Ultra-wideband circularly polarized omnidirectional antenna | |
| US20130038491A1 (en) | Communication device and method for enhanceing impedance bandwidth of antenna thereof | |
| CN106356631A (en) | Dual-frequency antenna | |
| CN106961006B (en) | Dual-band dual-mode miniaturized handheld antenna | |
| CN105406186A (en) | Broadband circularly polarized microstrip antenna with low axial ratio property | |
| CN201845848U (en) | Three-band branch line coupler | |
| CN102394384B (en) | Mobile equipment, mobile phone and antenna structure thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150218 Effective date of abandoning: 20170405 |