CN205231239U - Novel multifrequency helical antenna - Google Patents
Novel multifrequency helical antenna Download PDFInfo
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- CN205231239U CN205231239U CN201521049493.4U CN201521049493U CN205231239U CN 205231239 U CN205231239 U CN 205231239U CN 201521049493 U CN201521049493 U CN 201521049493U CN 205231239 U CN205231239 U CN 205231239U
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Abstract
The utility model provides a novel multifrequency helical antenna, includes coaxial line central module (1), plastic insulation support column (2) and spiral arm (3), and coaxial line central module (1) is run through and protrusion in plastic insulation support column (2) upper end in the middle part of plastic insulation support column (2), and the outstanding position periphery that coaxial line central module (1) lies in on plastic insulation support column (2) is provided with two lines of rabbet joint, a plurality of spiral arm (3) are evenly fixed on the cylinder side of plastic insulation support column (2) with the spiral form, and coaxial line central module (1) bottom periphery is provided with a line of rabbet joint, spiral arm (3) bottom is connected respectively with a plurality of external looks ware that moves of antenna bottom.
Description
Technical field
The utility model relates to antenna technical field, specifically, relate to GLONASS (Global Navigation Satellite System) (GNSS) antenna, mobile communication antenna, be applied to especially in navigator fix field and require the novel Multi-frequency helical antenna of the one in the antenna system of broad beam, multifrequency.
Background technology
Antenna is the indispensable part of institute's wire/wireless communication system, carry the signal sent by transmitter and change into electromagnetic form with to spatial, or the electromagnetic signal in free space is changed into high-frequency signal receive for receiver, thus realize the spacing wave exchange process of radio communication.Along with the development of wireless communication technology, the continuous progress of hardware research and development condition, in order to realize the transmission of wireless signal better, higher requirement is it is also proposed in the performance of antenna, under the overall situation of current Wireless Telecom Equipment extensive use, the importance of antenna grows with each passing day especially, and the research of various antenna technology and the requirement of higher technical indicator make antenna technology welcome the major opportunity of another development.
Along with the development of satellite communication technology, communication apparatus based on satellite communication is universal perfect gradually, and be widely used in military field, wall helical antenna majority on the market adopts metal wire to be embedded on circular columns base material and to realize, without the need to any ground connection at present.It has the characteristic of Zapper antenna, also has the characteristic of vertical antenna.This kind be structure cleverly, and make any direction of antenna have the gain of 3dB, pattern characteristics is good.Quadrifilar helical antenna has comprehensively to the receiving ability of 360 degree, therefore with panel computer PDA in conjunction with time, regardless of the putting position of panel computer PDA, quadrifilar helical antenna all can receive, be different from and use dull and stereotyped gps antenna to need to keep flat the restriction that could receive preferably, use this kind of antenna, when satellite comes across on ground level 10 degree, the signal that satellite transmits can be received.
Four-arm spiral antenna is owing to having wider circular polarization radiation wave beam, higher gain can be kept in lower elevation location, different antenna patterns can be obtained easily by regulating its physical size, and have compact conformation, volume little, lightweight, without the need to reference to etc. advantage, be widely used in the satellite navigation system such as GPS, the Big Dipper.
In tradition wall helical antenna, the spiral arm that the realization of multifrequency only has band phase-shift network to add different frequency realizes, and its result caused is that phase shifter volume is large, the ratio of gains single-frequency point gain of complex structure, more seriously antenna declines 1.5 to 3.5dB.
Utility model content
In order to overcome the above-mentioned defect of above-mentioned prior art, the utility model provides a kind of novel Multi-frequency helical antenna, this novel Multi-frequency helical antenna on the one hand technically different frequency range antenna have employed different phase shift technologies, different impedance matchings and different current balance type modes, structurally have employed 1/4th impedance transformers that electric property and support structure are fixed as one on the other hand.
In order to solve the problems of the technologies described above, the utility model is solved by following technical proposals:
A kind of novel Multi-frequency helical antenna, comprise coaxial line central module 1, plastic insulation support column 2 and spiral arm 3, wherein plastic insulation support column 2 main body is cylindrical parts, coaxial line central module 1 runs through and protrudes from plastic insulation support column 2 upper end in the middle part of plastic insulation support column 2, and the outstanding position periphery that coaxial line central module 1 is positioned at plastic insulation support column 2 upper end is provided with two lines of rabbet joint, spiral arm 3 comprises the first spiral arm 3.1 being evenly fixed on plastic insulation support column 2 lateral surface in a spiral form, second spiral arm 3.2, triple helical arm 3.3, 4th spiral arm 3.4, 5th spiral arm 3.5, 6th spiral arm 3.6, 7th spiral arm 3.7, 8th spiral arm 3.8, wherein the first spiral arm 3.1, second spiral arm 3.2, triple helical arm 3.3, 4th spiral arm 3.4 is evenly arranged on the upper surface of plastic insulation support column 2 and the cylindrical side of plastic insulation support column 2 centered by coaxial line central module 1, in the first spiral arm 3.1, second spiral arm 3.2, triple helical arm 3.3, the downside end of the 4th spiral arm 3.4 is respectively arranged with the first connection in series-parallel arm 4.1, second connection in series-parallel arm 4.2, 3rd connection in series-parallel arm 4.3, 4th connection in series-parallel arm 4.4, coaxial line central module 1 bottom periphery is provided with a line of rabbet joint, 5th spiral arm 3.5, the 6th spiral arm 3.6, the 7th spiral arm 3.7, the 8th spiral arm 3.8 are separately positioned in the gap between any two of the first spiral arm 3.1, second spiral arm 3.2, triple helical arm 3.3, the 4th spiral arm 3.4, and the 5th spiral arm 3.5, the 6th spiral arm 3.6, the 7th spiral arm 3.7, the bottom of the 8th spiral arm 3.8 are connected respectively with the multiple external phase shifter of antenna bottom.
Further, plastic insulation support column 2 bottom is provided with the protrusion round platform of evagination, and external phase shifter is arranged near the periphery protruding round platform.
Further, between the end and described protrusion round platform of the first spiral arm 3.1, second spiral arm 3.2, triple helical arm 3.3, the 4th spiral arm 3.4, gap is provided with.
Further, be fixedly loaded with shunt capacitance and series inductance at the end of the first spiral arm 3.1, second spiral arm 3.2, triple helical arm 3.3, the 4th spiral arm 3.4, or be loaded with separately single series inductance.
Further, the coaxial line central module 1 that the first spiral arm 3.1, second spiral arm 3.2, triple helical arm 3.3, the 4th spiral arm 3.4 are arranged by top middle portion is connected on the internal and external conductor of central coaxial cable.
The utility model compared with prior art has following characteristics:
1. structurally, have employed 1/4th impedance transformers that electric property and support structure are fixed as one, make antenna fixing simple, be easy to assembling.
2. functionally, adopt different technology to realize, simplify the implementation structure of antenna, the coupling loss of antenna gain and cost, the making being beneficial to research and development and producing, ensure that future can the consistency of batch.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide further understanding of the present utility model, and form a application's part, schematic description and description of the present utility model, for explaining the utility model, is not formed improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 is left and right of the present utility model bisect;
Fig. 2 is front view of the present utility model;
Fig. 3 is left view of the present utility model;
Fig. 4 is vertical view of the present utility model;
Fig. 5 is upward view of the present utility model.
Embodiment
For making the object of the utility model embodiment, technical scheme and advantage clearly, below in conjunction with the accompanying drawing of the utility model embodiment, the technical scheme of the utility model embodiment is clearly and completely described.Obviously, described embodiment is a part of embodiment of the present utility model, instead of whole embodiments.Based on described embodiment of the present utility model, the every other embodiment that those of ordinary skill in the art obtain under without the need to the prerequisite of creative work, all belongs to the scope of the utility model protection.
As Figure 1-5, the novel Multi-frequency helical antenna of one of the present utility model, comprise coaxial line central module 1, plastic insulation support column 2 and spiral arm 3, wherein plastic insulation support column 2 main body is cylindrical parts, coaxial line central module 1 runs through and protrudes from plastic insulation support column 2 upper end in the middle part of plastic insulation support column 2, and the outstanding position periphery that coaxial line central module 1 is positioned at plastic insulation support column 2 upper end is provided with two lines of rabbet joint, spiral arm 3 comprises the first spiral arm 3.1 being evenly fixed on plastic insulation support column 2 lateral surface in a spiral form, second spiral arm 3.2, triple helical arm 3.3, 4th spiral arm 3.4, 5th spiral arm 3.5, 6th spiral arm 3.6, 7th spiral arm 3.7, 8th spiral arm 3.8, wherein the first spiral arm 3.1, second spiral arm 3.2, triple helical arm 3.3, 4th spiral arm 3.4 is evenly arranged on the upper surface of plastic insulation support column 2 and the cylindrical side of plastic insulation support column 2 centered by coaxial line central module 1, in the first spiral arm 3.1, second spiral arm 3.2, triple helical arm 3.3, the downside end of the 4th spiral arm 3.4 is respectively arranged with the first connection in series-parallel arm 4.1, second connection in series-parallel arm 4.2, 3rd connection in series-parallel arm 4.3, 4th connection in series-parallel arm 4.4, coaxial line central module 1 bottom periphery is provided with a line of rabbet joint, thus the feed making plastic insulation support column 2 top realize a band antenna connects.5th spiral arm 3.5, the 6th spiral arm 3.6, the 7th spiral arm 3.7, the 8th spiral arm 3.8 are separately positioned in the gap between any two of the first spiral arm 3.1, second spiral arm 3.2, triple helical arm 3.3, the 4th spiral arm 3.4, and the 5th spiral arm 3.5, the 6th spiral arm 3.6, the 7th spiral arm 3.7, the bottom of the 8th spiral arm 3.8 are connected respectively with the multiple external phase shifter of antenna bottom.Plastic insulation support column 2 bottom is provided with the protrusion round platform of evagination, and external phase shifter is arranged near the periphery protruding round platform.Further, be fixedly loaded with shunt capacitance and series inductance at the end of the first spiral arm 3.1, second spiral arm 3.2, triple helical arm 3.3, the 4th spiral arm 3.4, or be loaded with separately single series inductance.The coaxial line central module 1 that first spiral arm 3.1, second spiral arm 3.2, triple helical arm 3.3, the 4th spiral arm 3.4 are arranged by top middle portion is connected on the internal and external conductor of central coaxial cable.Described external phase shifter forms a phase shifter network, and feed is carried out in the lower end connecting another band antenna spiral arm respectively, and simultaneously as the fixation reflex plate of whole helical antenna.
Further, as shown in Figure 4, between the end and described protrusion round platform of the first spiral arm 3.1, second spiral arm 3.2, triple helical arm 3.3, the 4th spiral arm 3.4, gap is provided with.
That considers domestic and international product Multi-frequency helical antenna realizes present situation, and the utility model has mainly carried out comparatively great improvement from technology and structure two aspect and realized.Main manifestations is following several aspect technically, realization in first phase shift, namely the antenna employing of a frequency range realizes the phase shift of 0 °, 90 °, 180 °, 270 ° from phase shift technology, and another one band antenna adopts phase shifter network to realize the phase shift of 0 °, 90 °, 180 °, 270 °; It two is the realizations on current balance type, and namely the antenna of a frequency range have employed 1/4th choke grooves to realize the balanced feeding of electric current, and another band antenna have employed the balanced feeding that dual feed realizes electric current; It three is realizations on impedance transition mechanism, and namely the antenna of a frequency range have employed the mode of 1/4th impedance transformers to realize impedance matching, and the antenna of another frequency range adopts and loads device and phase shifter network and combine and realize coupling.Structurally apex drive coaxially serves good antenna mounting effect except plaing and doing electric property effect simultaneously.General performance is, the structure of antenna realizes difficulty and reduces, the All Jobs being beneficial to research and development and producing, and the gain between multifrequency antenna can not be subject to serious coupling and change.
Should be appreciated that, although with reference to the embodiment that it is exemplary, the utility model shown particularly and describe, but will be understood by those skilled in the art that, do not deviating from by under the condition of spirit and scope of the present utility model as defined in the claims, the change of various forms and details can be carried out wherein, the combination in any of various embodiment can be carried out.
Claims (5)
1. a novel Multi-frequency helical antenna, it is characterized in that: comprise coaxial line central module (1), plastic insulation support column (2) and spiral arm (3), wherein plastic insulation support column (2) main body is cylindrical parts, coaxial line central module (1) runs through from plastic insulation support column (2) middle part and protrudes from plastic insulation support column (2) upper end, and the outstanding position periphery that coaxial line central module (1) is positioned at plastic insulation support column (2) upper end is provided with two lines of rabbet joint, spiral arm (3) comprises the first spiral arm (3.1) being evenly fixed on plastic insulation support column (2) lateral surface in a spiral form, second spiral arm (3.2), triple helical arm (3.3), 4th spiral arm (3.4), 5th spiral arm (3.5), 6th spiral arm (3.6), 7th spiral arm (3.7), 8th spiral arm (3.8), wherein the first spiral arm (3.1), second spiral arm (3.2), triple helical arm (3.3), 4th spiral arm (3.4) is evenly arranged on the upper surface of plastic insulation support column (2) and the cylindrical side of plastic insulation support column (2) centered by coaxial line central module (1), in the first spiral arm (3.1), second spiral arm (3.2), triple helical arm (3.3), the downside end of the 4th spiral arm (3.4) is respectively arranged with the first connection in series-parallel arm (4.1), second connection in series-parallel arm (4.2), 3rd connection in series-parallel arm (4.3), 4th connection in series-parallel arm (4.4), coaxial line central module (1) bottom periphery is provided with a line of rabbet joint, 5th spiral arm (3.5), the 6th spiral arm (3.6), the 7th spiral arm (3.7), the 8th spiral arm (3.8) are separately positioned in the gap between any two of the first spiral arm (3.1), the second spiral arm (3.2), triple helical arm (3.3), the 4th spiral arm (3.4), and the bottom of the 5th spiral arm (3.5), the 6th spiral arm (3.6), the 7th spiral arm (3.7), the 8th spiral arm (3.8) is connected respectively with the multiple external phase shifter of antenna bottom.
2. the novel Multi-frequency helical antenna of one according to claim 1, is characterized in that: plastic insulation support column (2) bottom is provided with the protrusion round platform of evagination, and external phase shifter is arranged near the periphery protruding round platform.
3. the novel Multi-frequency helical antenna of one according to claim 2, is characterized in that: between the end and described protrusion round platform of the first spiral arm (3.1), the second spiral arm (3.2), triple helical arm (3.3), the 4th spiral arm (3.4), be provided with gap.
4. the novel Multi-frequency helical antenna of one according to claim 1 and 2, it is characterized in that: be fixedly loaded with shunt capacitance and series inductance at the end of the first spiral arm (3.1), the second spiral arm (3.2), triple helical arm (3.3), the 4th spiral arm (3.4), or be loaded with separately single series inductance.
5. the novel Multi-frequency helical antenna of one according to claim 1, is characterized in that: the coaxial line central module (1) that the first spiral arm (3.1), the second spiral arm (3.2), triple helical arm (3.3), the 4th spiral arm (3.4) are arranged by top middle portion is connected on the internal and external conductor of central coaxial cable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521049493.4U CN205231239U (en) | 2015-12-17 | 2015-12-17 | Novel multifrequency helical antenna |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521049493.4U CN205231239U (en) | 2015-12-17 | 2015-12-17 | Novel multifrequency helical antenna |
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| CN205231239U true CN205231239U (en) | 2016-05-11 |
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| CN201521049493.4U Active CN205231239U (en) | 2015-12-17 | 2015-12-17 | Novel multifrequency helical antenna |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105977628A (en) * | 2016-06-25 | 2016-09-28 | 嘉兴佳利电子有限公司 | Miniature multi-band spiral navigation antenna |
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2015
- 2015-12-17 CN CN201521049493.4U patent/CN205231239U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105977628A (en) * | 2016-06-25 | 2016-09-28 | 嘉兴佳利电子有限公司 | Miniature multi-band spiral navigation antenna |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190505 Address after: Room 205, Lane 1199, Yunping Road, Jiading District, Shanghai, 201801 Patentee after: Xue Yulei Address before: Room 1018, 9th floor, No. 2 Courtyard, No. 26 Jiuxianqiao Middle Road, Chaoyang District, Beijing Patentee before: BEIJING XUANJI XINGDA TECHNOLOGY CO., LTD. |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20211130 Address after: 201702 room 103, building 1, No. 99, Lane 215, Gaoguang Road, Xujing Town, Qingpu District, Shanghai Patentee after: Shanghai convolution Communication Technology Co.,Ltd. Address before: Room 205, Lane 1199, Yunping Road, Jiading District, Shanghai, 201801 Patentee before: Xue Yulei |
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| TR01 | Transfer of patent right |