CN211182536U - Soft structure log periodic antenna - Google Patents
Soft structure log periodic antenna Download PDFInfo
- Publication number
- CN211182536U CN211182536U CN201922447641.2U CN201922447641U CN211182536U CN 211182536 U CN211182536 U CN 211182536U CN 201922447641 U CN201922447641 U CN 201922447641U CN 211182536 U CN211182536 U CN 211182536U
- Authority
- CN
- China
- Prior art keywords
- antenna
- impedance converter
- bracing piece
- log periodic
- line
- 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.)
- Active
Links
Images
Landscapes
- Support Of Aerials (AREA)
Abstract
The utility model relates to a soft structure log periodic antenna, including the antenna curtain, preceding bracing piece, back bracing piece, impedance converter, the cable conductor, the antenna curtain is including the set line, the dipole line, the side is acted as go-between, the symmetry ligature welding is on the set line in the dipole line inner by a plurality of parallel arrangement, the antenna curtain of network structure is constituteed on the side is acted as go-between to the ligature of dipole line outer end, the four corners of antenna curtain articulates in the front through hanging the rope respectively, but the rotatable level that the back bracing piece upper level set up, before the vertical fixation, the back crossbeam both ends, impedance converter sets up on preceding bracing piece or back bracing piece, the impedance converter is connected to the set line, the external cable conductor of impedance converter. The utility model discloses can fast switch over satisfy horizontal polarization and vertical polarization work demand, the suitability is strong. And the supporting rod and the cross beam on one side of the impedance converter are made of glass fiber reinforced plastic materials, so that the accuracy of impedance conversion is favorably ensured.
Description
Technical Field
The utility model relates to an antenna, a soft structure log periodic antenna specifically says so.
Background
The ultra-wideband characteristic of the log-periodic antenna enables the log-periodic antenna to be widely applied to the fields of short-wave, ultra-short-wave and microwave communication. The main structure is characterized in that the antenna comprises an assembly line as a transmission line and a plurality of pairs of radiation vibrators symmetrically arranged on the assembly line. The external dimension of the antenna is related to the working frequency band, and the axial direction of the antenna at the aggregation line is larger than the axial direction of the oscillator. In practical use, particularly when the antenna is used in a moving and maneuvering mode, how to realize the quick erection and the withdrawal of the antenna and solve the two major goals that the limited storage and transportation space is required to solve and realize in the structural design of the antenna, the existing soft log periodic antenna adopts a full soft cable structure, the conformal erection of the antenna is realized by utilizing the suspension cable principle, and the netted antenna is unfolded into a working state by using a pull rope. The antenna has relatively light weight and convenient use, and is easy to wind or fold for storage. However, for some special communication fields requiring switching between horizontal polarization and vertical polarization, a simple suspended net structure cannot effectively, quickly and stably support an antenna with a full soft cable structure for satisfying the requirements.
Disclosure of Invention
Problem to prior art, the utility model provides a simple structure articulates, bearing structure is firm, stable, can fast switch over satisfy horizontal polarization and vertical polarization work demand's soft structure log periodic antenna.
The utility model adopts the technical proposal that: a soft structure log periodic antenna, comprising: including the antenna curtain, preceding bracing piece, back bracing piece, impedance converter, the cable conductor, the antenna curtain is including the assembly line, the dipole line, the side is acted as go-between, by the symmetry ligature welding in a plurality of parallel arrangement's the inner symmetry ligature of dipole line on the assembly line, the antenna curtain of network structure is constituteed on the side is acted as go-between to the ligature of dipole line outer end, the four corners of antenna curtain articulates in the front respectively through hanging the rope, but the level of rotation that the back bracing piece upper level set up, before the vertical fixation, back crossbeam both ends, impedance converter sets up on preceding bracing piece or back bracing piece, the impedance converter is connected to the assembly line, the external cable conductor of impedance converter.
Furthermore, the front support rod and the rear support rod are two, the two pull ropes on two sides of one end of the antenna screen are respectively connected to the two front support rods in a hanging mode, the two pull ropes on two sides of the other end of the antenna screen are respectively connected to the two rear support rods in a hanging mode, and drag hooks for hanging the pull ropes are arranged on the front support rod and the rear support rods.
Furthermore, the antenna screen is of a structure with a small front part and a large rear part.
Furthermore, the aggregate line and the symmetric oscillator line are plastic or rubber-coated copper stranded wires; the side stay is a Dyneema rope.
Furthermore, the front and rear supporting rods are supported by using a three-party stay wire nylon rope matched with an earth anchor.
Furthermore, the pull rope is hung by a pulley.
Furthermore, the supporting rod provided with the impedance converter adopts a glass fiber reinforced plastic pipe supporting rod, and a glass fiber reinforced plastic pipe cross beam is adopted on the supporting rod.
Furthermore, the support rod without the impedance converter is an aluminum alloy support rod, and an aluminum alloy beam is adopted on the support rod.
Furthermore, the assembly line is of a structure of two twisted assembly lines, and two symmetrical oscillators which are symmetrical on two sides of the structure are respectively arranged on the two twisted assembly lines.
The utility model adopts the three-side stay wire nylon rope matched with the ground anchor to be grounded and supported by the front and the rear supporting rods, and the antenna erection structure is firm and stable; two symmetrical oscillators are respectively arranged on two twisted assembly lines, and the opposite-phase feeding of adjacent oscillators is realized on the same assembly line; the front and rear supporting rods are matched with the front and rear cross beams to be hung with the antenna screen by the pull ropes, when the front and rear cross beams are horizontal, the antenna realizes horizontal polarization work, and when the front and rear cross beams are vertical, the antenna realizes vertical polarization work; or four supports are adopted to horizontally connect the antenna curtain to realize horizontal polarization work, the drag hook is arranged in the middle of the supporting rod, the top is connected with the front and rear pull ropes on the side edge of the antenna curtain, and the middle drag hook is connected with the front and rear pull ropes on the other side edge of the antenna curtain to realize vertical polarization work. The hanging connection and the firm and stable supporting structure are considered, meanwhile, the horizontal polarization and vertical polarization working requirements can be met through fast switching, and the applicability is strong. And the supporting rod and the cross beam on one side of the impedance converter are made of glass fiber reinforced plastic materials, so that the accuracy of impedance conversion is favorably ensured.
Drawings
Fig. 1 is a schematic view of a horizontal polarization working structure according to a first embodiment of the present invention;
FIG. 2 is a schematic diagram of the working switching vertical polarization working structure of the first embodiment;
fig. 3 is a schematic view of an antenna curtain according to a second embodiment of the present invention.
In the figure: the device comprises a front supporting rod 1, a rear supporting rod 2, an impedance converter 3, a cable 4, an antenna curtain 5, a gathering line 6, a side stay wire 7, a symmetrical vibrator line 8, a hanging rope 9, a pulley 10, a draw hook 11 and a cross beam 12.
Detailed Description
The following further description is made in conjunction with the accompanying drawings and examples.
Fig. 1 and 2 show a first embodiment: a soft structure log periodic antenna comprises an antenna screen 5, a front support rod 1, a rear support rod 2, an impedance transformer 3 and a cable 4, wherein the antenna screen comprises an integrated wire 6, the symmetrical oscillator line 8, the side stay 7, by a plurality of parallel arrangement symmetrical inner ligature welding of symmetrical oscillator line on the assembly line, symmetrical oscillator line outer end ligature form preceding little, big network structure's in back antenna curtain on the side stay, the four corners of antenna curtain has connect respectively and has hung rope 9, the rotatable level that antenna curtain front end both sides were hung the rope and are connected on the front support bar level through pulley 10 respectively, the crossbeam 12 both ends of vertical fixation, impedance converter 3 sets up on the front support bar 1, the impedance converter is connected to the assembly line, impedance converter external cable conductor 4, the rope is connected on two back support bars 2 through the pulley respectively to antenna curtain rear end both sides, the antenna is horizontal polarization operating condition this moment.
In fig. 2, the antenna screen 5 is vertically placed, the front end is vertically articulated through the rotation of the cross beam, the upper part of the rear end is articulated on the upper part of a rear supporting rod, the lower part of the rear end is articulated on a drag hook 11 in the middle of the rear supporting rod, and the antenna is in a vertical polarization working state at the moment.
In the embodiment, the assembly line and the symmetric oscillator line are copper stranded wires coated with plastics or rubber; the side pull wire is a Dyneema rope. The front and rear supporting rods are ground-anchored bracing by adopting a three-party stay wire nylon rope. The front supporting rods and the cross beams are made of glass fiber reinforced plastic pipe supporting rods, and the rear supporting rods are made of aluminum alloy.
In the second embodiment shown in fig. 3, a log periodic antenna with a soft structure adopts two twisted assembly lines, and two symmetric oscillator lines 8 which are symmetrical on two sides of the structure are respectively arranged on the two twisted assembly lines 6.
Claims (9)
1. A soft structure log periodic antenna, comprising: including the antenna curtain, preceding bracing piece, back bracing piece, impedance converter, the cable conductor, the antenna curtain is including the assembly line, the dipole line, the side is acted as go-between, by the symmetry ligature welding in a plurality of parallel arrangement's the inner symmetry ligature of dipole line on the assembly line, the antenna curtain of network structure is constituteed on the side is acted as go-between to the ligature of dipole line outer end, the four corners of antenna curtain articulates in the front respectively through hanging the rope, but the level of rotation that the back bracing piece upper level set up, before the vertical fixation, back crossbeam both ends, impedance converter sets up on preceding bracing piece or back bracing piece, the impedance converter is connected to the assembly line, the external cable conductor of impedance converter.
2. The log periodic antenna with soft structure as claimed in claim 1, wherein: the front supporting rod and the rear supporting rod are two, the two pull ropes on two sides of one end of the antenna screen are respectively connected to the two front supporting rods in a hanging mode, the two pull ropes on two sides of the other end of the antenna screen are respectively connected to the two rear supporting rods in a hanging mode, and drag hooks for hanging the pull ropes are arranged on the front supporting rod and the rear supporting rod.
3. A soft-structured log periodic antenna as claimed in claim 1 or 2, wherein: the antenna screen is of a structure with a small front part and a large rear part.
4. The log periodic antenna with soft structure as claimed in claim 1, wherein: the assembly line and the symmetric vibrator line are copper stranded wires coated with plastics or rubber; the side stay is a Dyneema rope.
5. The log periodic antenna with soft structure as claimed in claim 1, wherein: the front and rear supporting rods are respectively provided with a three-side stay wire nylon rope and an earth anchor ground supporting.
6. The log periodic antenna with soft structure as claimed in claim 1, wherein: the hanging rope is hung by a pulley.
7. The log periodic antenna with soft structure as claimed in claim 1, wherein: the supporting rod provided with the impedance converter is a glass reinforced plastic pipe supporting rod, and a glass reinforced plastic pipe cross beam is adopted on the supporting rod.
8. A soft-structured log periodic antenna as claimed in claim 1 or 7, wherein: the support rod without the impedance converter is an aluminum alloy support rod, and an aluminum alloy beam is adopted on the support rod.
9. The log periodic antenna with soft structure as claimed in claim 1, wherein: the assembly line is of a structure of two twisted assembly lines, and two symmetrical vibrators which are symmetrical on two sides of the structure are respectively arranged on the two twisted assembly lines.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922447641.2U CN211182536U (en) | 2019-12-31 | 2019-12-31 | Soft structure log periodic antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922447641.2U CN211182536U (en) | 2019-12-31 | 2019-12-31 | Soft structure log periodic antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211182536U true CN211182536U (en) | 2020-08-04 |
Family
ID=71821896
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922447641.2U Active CN211182536U (en) | 2019-12-31 | 2019-12-31 | Soft structure log periodic antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211182536U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112768871A (en) * | 2020-12-28 | 2021-05-07 | 中国电波传播研究所（中国电子科技集团公司第二十二研究所） | Miniaturized double-deck shortwave fishbone antenna |
| CN114101978A (en) * | 2021-11-27 | 2022-03-01 | 中国电波传播研究所（中国电子科技集团公司第二十二研究所） | Novel assembly line structure and manufacturing method thereof |
-
2019
- 2019-12-31 CN CN201922447641.2U patent/CN211182536U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112768871A (en) * | 2020-12-28 | 2021-05-07 | 中国电波传播研究所（中国电子科技集团公司第二十二研究所） | Miniaturized double-deck shortwave fishbone antenna |
| CN112768871B (en) * | 2020-12-28 | 2022-10-25 | 中国电波传播研究所（中国电子科技集团公司第二十二研究所） | Miniaturized double-deck shortwave fishbone antenna |
| CN114101978A (en) * | 2021-11-27 | 2022-03-01 | 中国电波传播研究所（中国电子科技集团公司第二十二研究所） | Novel assembly line structure and manufacturing method thereof |
| CN114101978B (en) * | 2021-11-27 | 2023-10-20 | 中国电波传播研究所（中国电子科技集团公司第二十二研究所） | Collecting line structure and manufacturing method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN211182536U (en) | Soft structure log periodic antenna | |
| CN102856838B (en) | Tubular bus support insulator changing tool and method | |
| CN206128796U (en) | Cat head tangent tower | |
| CN104332711A (en) | Full-automatic log periodic antenna | |
| CN211655030U (en) | Log-periodic antenna | |
| CN101619628A (en) | Double-legged guyed communication tower | |
| CN206060035U (en) | A kind of releasing pulley hanger | |
| CN111082227B (en) | Vehicle-mounted self-unfolding logarithmic period antenna and use method | |
| CN211017382U (en) | Motor-driven low-frequency transmitting antenna | |
| CN204559008U (en) | A kind of cable construction pay off rack | |
| CN106532236A (en) | Small fishbone antenna and antenna system suitable for rotating receiving | |
| CN111342197B (en) | Miniaturized log periodic antenna | |
| CN210404005U (en) | Short wave antenna | |
| CN207657178U (en) | A kind of TGXG tensioner | |
| CN201528041U (en) | Portable short-wave dipole antenna | |
| CN211598490U (en) | Novel convenient folding hanging ladder | |
| CN211923732U (en) | Stay wire type power transmission tower | |
| CN205335747U (en) | Strain insulator string device is singly gone here and there in light -duty play of folded cascade | |
| CN216690940U (en) | Telescopic fixed insulation flat ladder | |
| CN216197022U (en) | Mountain scenic spot reinforced concrete bionic tree communication tower | |
| CN210216414U (en) | Electric power ground anchor | |
| CN214942977U (en) | Semi-insulating transmission line emergency repair tower | |
| CN211428867U (en) | Telescopic adjusting type conducting rod | |
| CN220151071U (en) | Isolation device for power communication construction | |
| CN214463097U (en) | Novel communication rod |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |