CN203180068U - Half-folding type quadrangle four-arm spiral antenna - Google Patents
Half-folding type quadrangle four-arm spiral antenna Download PDFInfo
- Publication number
- CN203180068U CN203180068U CN 201320171534 CN201320171534U CN203180068U CN 203180068 U CN203180068 U CN 203180068U CN 201320171534 CN201320171534 CN 201320171534 CN 201320171534 U CN201320171534 U CN 201320171534U CN 203180068 U CN203180068 U CN 203180068U
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- China
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- radiation metal
- bar
- arm spiral
- epimere
- metal bar
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Abstract
The utility model discloses a half-folding type quadrangle four-arm spiral antenna, comprising a cubic base, a signal input terminal and radiation metal strips attached to the surface of the cubic base in a spiral manner. Each radiation metal strip is folded at a corresponding middle point to form an upper segment and a lower segment, the upper segments of two adjacent radiation metal strips are parallel, the tail ends of the lower segments of two connected radiation metal strips are connected together, the upper segment and the lower segment of each radiation metal strip are arranged on the surface of the cubic base in parallel in a spiral manner. According to the half-folding type quadrangle four-arm spiral antenna, the radiation metal strips are folded to double corresponding lengths, through mutual coupling between the upper segment and the lower segment of each radiation metal strip, the impedance match performance of the antenna is improved, the bandwidth of the work frequency band of the quadrangle four-arm spiral antenna is obviously increased, and the high bandwidth requirement for covering multi-positioning system is satisfied.
Description
Technical field
The utility model relates to a kind of square four-arm spiral antenna, relates in particular to a kind of half-lap formula square four-arm spiral antenna of high-band bandwidth.
Background technology
The miniaturization of antenna refers to reduce the size of antenna and keep a kind of measure that its radiation characteristic is basic and designing requirement originally conforms in fixing operating frequency.Along with developing rapidly of mobile communication, the method for different miniaturizations is arranged at different antenna type (revolving antenna and printed microstrip antennas etc. as wire antenna, planar inverted reason antenna, medium resonator antenna, slot antenna, behaviour).
Since KILGUS proposes the resonant mode four-arm spiral antenna in nineteen sixty-eight, and with the methods analyst of two quadrature loop dipoles equivalence its operation principle, the resonant mode four-arm spiral antenna just has been subjected to researcher and user's general liking.Miniaturization, broad beam and broadband are the research directions of four-arm spiral antenna always.
The matrix of four-arm spiral antenna has multiple shape, as cylindrical, taper, square etc., all there is a problem in these traditional four-arm spiral antennas, be exactly that the working band bandwidth is narrower, usually has only 5%-8%, be difficult to cover multiple navigation system such as GPS, GLONASS and GALILEO etc., restricted the development of miniaturization helix antenna.
The utility model content
The purpose of this utility model just is to provide in order to address the above problem a kind of half-lap formula square four-arm spiral antenna of high-band bandwidth.
The utility model is achieved through the following technical solutions above-mentioned purpose:
Half-lap formula square four-arm spiral antenna described in the utility model, comprise that cuboid matrix, signal input part and spirality place the radiation metal bar of described cuboid matrix surface, article four, the head end of radiation metal bar all places on the end end face of described cuboid matrix, wherein the head end of two radiation metal bars is connected with an end of described signal input part, and the head end of two other radiation metal bar is connected with the other end of described signal input part; The described radiation metal bar of each bar forms epimere and hypomere along mid point bending back, equidistant between the epimere of adjacent two described radiation metal bars, adjacent between the hypomere of interconnective two described radiation metal bars, the hypomere tail end of interconnective two described radiation metal bars interconnects, and the mutually equidistant side-by-side helix shape of the epimere of the described radiation metal bar of each bar and hypomere places the surface of described cuboid matrix.
As preferably, the epimere of the described radiation metal bar of each bar and the spacing between the hypomere be between the epimere of adjacent two described radiation metal bars spacing 1/1/4th～two; The best is 1/3rd.
Particularly, described radiation metal bar is filled in the groove of described cuboid matrix surface or directly is attached to the surface of described cuboid matrix.
As preferably, described radiation metal bar is copper bar or aluminum strip.
The beneficial effects of the utility model are:
The utility model is multiplied its length by folding radiation metal bar, and by the epimere of radiation metal bar and the mutual coupling between the hypomere, improved the impedance matching property of antenna, the working band bandwidth of the utility model half-lap formula square four-arm spiral antenna is significantly improved, satisfied the high bandwidth requirement that covers many navigation systems.
Description of drawings
Fig. 1 is the stereogram of half-lap formula square four-arm spiral antenna described in the utility model;
Fig. 2 is the expanded view of the cuboid matrix of half-lap formula square four-arm spiral antenna described in the utility model.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing:
As depicted in figs. 1 and 2, half-lap formula square four-arm spiral antenna described in the utility model comprises cuboid matrix 1, signal input part 2 and spirality place the radiation metal bar on the surface of cuboid matrix 1, totally four of radiation metal bars, be respectively the first radiation metal bar 8, the second radiation metal bar 9, the 3rd radiation metal bar 10, the 4th radiation metal bar 11, article four, the head end of radiation metal bar (upper end among Fig. 1) all places on the end end face of cuboid matrix 1, wherein, the head end 4 of the first radiation metal bar 8 is connected with an end of signal input part 2 with the head end 5 of the second radiation metal bar 9, and the head end 6 of the 3rd radiation metal bar 10 is connected with the other end of signal input part 2 with the head end 7 of the 4th radiation metal bar 11; Each bar radiation metal bar forms epimere and hypomere along mid point bending back, equidistant between the epimere of adjacent two radiation metal bars, adjacent between the hypomere of interconnective two radiation metal bars, the hypomere tail end of interconnective two radiation metal bars interconnects, the epimere of each bar radiation metal bar and hypomere mutually equidistant side-by-side helix shape place the surface of cuboid matrix 1, the epimere of each bar radiation metal bar and the spacing between the hypomere be between the epimere of adjacent two radiation metal bars spacing 1/3rd.Also show the signal input line 3 that cuboid matrix 1 other end is lower end among Fig. 1 among Fig. 1, signal input line 3 passes from the inside of cuboid matrix 1.
According to the difference of practical application, the radiation metal bar can be filled in the groove on surface of cuboid matrix 1, also can directly be attached to the surface of cuboid matrix 1; The radiation metal bar can adopt copper bar or aluminum strip.
As depicted in figs. 1 and 2, the signal that needs to send is transferred to signal input part 2 through signal input line 3, and transfer to one group of antenna element that the first radiation metal bar 8 and the second radiation metal bar 9 are formed respectively, and the 3rd one group of antenna element forming of radiation metal bar 10 and the 4th radiation metal bar 11, realize the emission of signal.
Claims (5)
1. half-lap formula square four-arm spiral antenna, comprise that cuboid matrix, signal input part and spirality place the radiation metal bar of described cuboid matrix surface, article four, the head end of radiation metal bar all places on the end end face of described cuboid matrix, wherein the head end of two radiation metal bars is connected with an end of described signal input part, and the head end of two other radiation metal bar is connected with the other end of described signal input part; It is characterized in that: the described radiation metal bar of each bar forms epimere and hypomere along mid point bending back, equidistant between the epimere of adjacent two described radiation metal bars, adjacent between the hypomere of interconnective two described radiation metal bars, the hypomere tail end of interconnective two described radiation metal bars interconnects, and the mutually equidistant side-by-side helix shape of the epimere of the described radiation metal bar of each bar and hypomere places the surface of described cuboid matrix.
2. half-lap formula square four-arm spiral antenna according to claim 1 is characterized in that: the epimere of the described radiation metal bar of each bar and the spacing between the hypomere be between the epimere of adjacent two described radiation metal bars spacing 1/1/4th～two.
3. half-lap formula square four-arm spiral antenna according to claim 2 is characterized in that: the epimere of the described radiation metal bar of each bar and the spacing between the hypomere be between the epimere of adjacent two described radiation metal bars spacing 1/3rd.
4. according to claim 1,2 or 3 described half-lap formula square four-arm spiral antennas, it is characterized in that: described radiation metal bar is filled in the groove of described cuboid matrix surface or directly is attached to the surface of described cuboid matrix.
5. according to claim 1,2 or 3 described half-lap formula square four-arm spiral antennas, it is characterized in that: described radiation metal bar is copper bar or aluminum strip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320171534 CN203180068U (en) | 2013-04-08 | 2013-04-08 | Half-folding type quadrangle four-arm spiral antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320171534 CN203180068U (en) | 2013-04-08 | 2013-04-08 | Half-folding type quadrangle four-arm spiral antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203180068U true CN203180068U (en) | 2013-09-04 |
Family
ID=49076728
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320171534 Expired - Fee Related CN203180068U (en) | 2013-04-08 | 2013-04-08 | Half-folding type quadrangle four-arm spiral antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203180068U (en) |
-
2013
- 2013-04-08 CN CN 201320171534 patent/CN203180068U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SHENZHEN AILUNNA TELECOMMUNICATION INDUSTRIAL CO., Free format text: FORMER OWNER: SICHUAN JIUDING DIGITAL TECHNOLOGY CO., LTD. Effective date: 20140822 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| C53 | Correction of patent for invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Zhu Junhua Inventor after: Zhu Lingjie Inventor after: Zhu Zhenjie Inventor before: Shi Bing |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: SHI BING TO: ZHU JUNHUA ZHU LINGJIE ZHU ZHENJIE Free format text: CORRECT: ADDRESS; FROM: 610000 CHENGDU, SICHUAN PROVINCE TO: 518000 SHENZHEN, GUANGDONG PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20140822 Address after: 518000, No. 1, No. 12, South West Road, Longgang street, Longgang District, Shenzhen District, Guangdong, 401 Patentee after: The Alan of Shenzhen receives telecommunication Industrial Co., Ltd. Address before: Gao Peng Road high tech Zone of Chengdu City, Sichuan province 610000 No. 2 Conte Incubator Building 4 Patentee before: SICHUAN JIUDING DIGITAL TECHNOLOGY CO., LTD. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130904 Termination date: 20150408 |
|
| EXPY | Termination of patent right or utility model |