CN202997037U - Portable log periodic antenna - Google Patents
Portable log periodic antenna Download PDFInfo
- Publication number
- CN202997037U CN202997037U CN2012207258434U CN201220725843U CN202997037U CN 202997037 U CN202997037 U CN 202997037U CN 2012207258434 U CN2012207258434 U CN 2012207258434U CN 201220725843 U CN201220725843 U CN 201220725843U CN 202997037 U CN202997037 U CN 202997037U
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- assembly line
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- dipole
- period
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Abstract
The utility model provides a portable log periodic antenna, which comprises an assembly line, radiation oscillators and an antenna adaption rod. The assembly line is transversely arranged, two ends of the assembly line are a long oscillator end and a short oscillator end respectively, the long oscillator end has a feed cable connecting seat, and the feed cable connecting seat is connected with a feed cable. The radiation oscillators are sequentially and detachably mounted in pairs on corresponding positions of the assembly line from the long to the short. The antenna adaption rod detachably adopts horizontal polarization installation or vertical polarization installation with the assembly line through an orthogonal plug soleplate on the assembly line, and the orthogonal plug soleplate is at a mass balance position of the portable log periodic antenna. The portable log periodic antenna reduces the structural weight of the antenna, reduces time for erecting and folding up, and is convenient to transport and carry.
Description
Technical field
The utility model relates to the broad band communications antenna technical field in ultrashort wave field, and specifically, the utility model relates to a kind of portable ultra short wave logarithmically periodic dipole antenna.
Background technology
Logarithm periodic antenna proposed in nineteen fifty-seven, was a type of non-antennaverter.Wherein nineteen sixty the logarithm period element antenna that proposes, because having extremely wide frequency bandwidth characteristics, and relatively simple for structure, so be widely applied in shortwave, ultrashort wave and microwave band very soon.The outstanding advantage of logarithm periodic antenna is that its input impedance and radiating pattern have the broadband character with frequency-independent.Theoretically, this antenna can be accomplished wide frequency band arbitrarily.But in fact, its front end will be subject to the restriction near the radiation source structure precision of distributing point, and low frequency end is received the restriction of the long radiation element of antenna end, so its antenna size and frequency of utilization have certain relation.
Because frequency is lower, often volume is larger to cause this class antenna at ultrashort wave frequency band, and weight is heavier, cause all inconvenience for installing, adjust, transporting, and the antenna polarization direction is relatively fixing.
Summary of the invention
Technical problem to be solved in the utility model is to provide a kind of portable ultra short wave logarithmically periodic dipole antenna, can reduce construction weight, reduces the time of setting up and removing receipts, improves portable.
For solving the problems of the technologies described above, the utility model provides a kind of Portable Dipole Log-Period Antenna, comprising:
Assembly line, horizontally set, its two ends are respectively long oscillator end and short oscillator end, and described long oscillator end has a feeder cable Connection Block, is connected with a feeder cable;
Radiating doublet sequentially is removably mounted on the correspondence position of described assembly line from long to short in couples;
The antenna adapting rod is removably selected to install with described assembly line horizontal polarization or the perpendicular polarization installation by the quadrature grafting mount pad on described assembly line, and described quadrature grafting mount pad is positioned at the mass balance position of described Portable Dipole Log-Period Antenna.
Alternatively, there is a self-locking folding hinge at the medium position place of described assembly line, makes described assembly line collapsible.
Alternatively, have manyly to the bayonet socket Connection Block on described assembly line, the front end of described radiating doublet has the bayonet socket connector, is connected respectively to the described bayonet socket Connection Block on described assembly line.
Alternatively, totally 16 pairs of described radiating doublets are interchangeable between two of every pair of described radiating doublet.
Alternatively, front 5 pairs that grow in described radiating doublet is telescopic.
Alternatively, described Portable Dipole Log-Period Antenna also comprises: canvas bag, described radiating doublet is taken in transportation when carrying.
Alternatively, described Portable Dipole Log-Period Antenna also comprises: antenna lifter is socketed on below described antenna adapting rod.
Alternatively, the whole material of described Portable Dipole Log-Period Antenna is aluminium alloy.
Alternatively, described bayonet socket Connection Block argon arc welding is on described assembly line.
Compared with prior art, the utlity model has following advantage:
Assembly line of the present utility model (cross-arm) length reaches 3.6m, but self-locking folding hinge, quadrature grafting mount pad are adopted in the middle part, not only are easy to carry, fast erecting and removing, and also can select as required perpendicular polarization to install or horizontal polarization is installed.
Adopt bayonet type to be connected fast between radiating doublet of the present utility model and assembly line, reduced setting up and removing between the time receiving of antenna.1～5# of antenna (being front 5 couples) radiating doublet is longer, is not easy to carry, and therefore, those radiating doublets have structurally been selected scalable (stretchable) frame mode, has not only reduced setting up and remove between the time receiving but also being easy to carry of antenna.
Antenna integral material of the present utility model is selected the aluminium-alloy pipe lightweight, that intensity is high, has effectively alleviated the weight of antenna, and the antenna oscillator seat adopts the homogeneous material argon arc welding, improves Antenna reliability.
Description of drawings
The above and other feature of the present utility model, character and advantage will become more obvious by the description below in conjunction with drawings and Examples, wherein:
Fig. 1 is the deployed configuration schematic diagram of the Portable Dipole Log-Period Antenna of an embodiment of the utility model;
Fig. 2 is the raise standing-wave ratio resolution chart of horizontal polarization after 12 meters of the Portable Dipole Log-Period Antenna of an embodiment of the utility model;
Fig. 3 is the raise standing-wave ratio resolution chart of perpendicular polarization after 12 meters of the Portable Dipole Log-Period Antenna of an embodiment of the utility model.
Embodiment
The utility model is described in further detail below in conjunction with specific embodiments and the drawings; set forth in the following description more details so that fully understand the utility model; but the utility model obviously can be implemented with the multiple alternate manner that is different from this description; those skilled in the art can be in the situation that do similar popularization, deduction without prejudice to the utility model intension according to practical situations, therefore should be with the content constraints of this specific embodiment protection range of the present utility model.
Fig. 1 is the deployed configuration schematic diagram of the Portable Dipole Log-Period Antenna of an embodiment of the utility model.It should be noted that this accompanying drawing only as example, it is not to be to draw according to the condition of equal proportion, should not be construed as limiting as the protection range to the utility model actual requirement with this.As shown in Figure 1, this logarithm periodic antenna 100 is a kind of ultrashort wave logarithmically periodic dipole antennas, is the broadband beam antenna that designs for ultra short wave communication, and its overall structure mainly comprises assembly line 101, radiating doublet 102 and antenna adapting rod 103 these three parts.Wherein, but assembly line 101 horizontally sets, and its two ends are respectively long oscillator end and short oscillator end, at long oscillator end, one L16 feeder cable Connection Block are arranged, and are connected with a feeder cable 104.Radiating doublet 102 from long to short sequentially in couples removably (detachable) be arranged on the correspondence position of assembly line 101.Antenna adapting rod 103 is also removably to select to install by sleeve with assembly line 101 horizontal polarizations ground or perpendicular polarization ground to be connected by the quadrature grafting mount pad 106 on assembly line 101, and quadrature grafting mount pad 106 is positioned at the mass balance position (middle part of close assembly line 101) of Portable Dipole Log-Period Antenna 100.
In the present embodiment, there is a self-locking folding hinge at the medium position place of assembly line 101, makes assembly line 101 collapsible (folded), convenient transportation.Have on assembly line 101 many to (as 16 pairs) bayonet socket Connection Block, on be marked with the numbering (for example 1#, 2#...16#) of the corresponding radiating doublet 102 that connects.Radiating doublet 102 also has many to (as 16 pairs), is interchangeable (interchangeable) between two of every pair of radiating doublet 102.Numbering (for example 1#, 2#...16#) is also arranged on each radiating doublet 102, and correspondence is connected on assembly line 101.The front end of radiating doublet 102 has the bayonet socket connector, is used for being connected respectively to the bayonet socket Connection Block on assembly line 101, and bayonet socket Connection Block argon arc welding is on assembly line 101.Can be accommodated in special canvas bag during radiating doublet 102 transportation.
In addition, this Portable Dipole Log-Period Antenna 100 can also comprise an antenna lifter 105, is socketed on antenna adapting rod 103 belows.
In the present embodiment, antenna adapting rod 103 is used for antenna 100 and the switching of antenna lifter 105 and the sensing of regulating antenna 100.Antenna adapting rod 103 1 ends have four ring flanges, the sleeve on other end articulation set line 101 and two lock plungers.
The technical indicator of this Portable Dipole Log-Period Antenna 100 of the present embodiment is as shown in the table:
| Operating frequency range: | 30MHz～100MHz |
| Power capacity | 500W |
| Polarization mode | The horizontal+vertical polarization |
| Voltage standing wave ratio | ≤3∶1 |
| Nominal impedance | 50Ω |
| Antenna size (after launching) | 3.7m×5m×1.2m |
| Antenna size (after shrinking) | 1.9m×0.18m×0.22m |
| Radio frequency interface | The N-type socket |
| Weight | 15kg |
Fig. 2 is the raise standing-wave ratio resolution chart of horizontal polarization after 12 meters of the Portable Dipole Log-Period Antenna of an embodiment of the utility model; And the raise standing-wave ratio resolution chart of perpendicular polarization after 12 meters of the Portable Dipole Log-Period Antenna that Fig. 3 is an embodiment of the utility model.Therefore logarithm periodic antenna of the present utility model not only has bandwidth, small voltage standing-wave ratio, the characteristics such as higher gain, and simple in structure, lightweight, be fit to be installed on shelter form vehicle and carry out the telecommunication use.Whole antenna is collapsible to be concealed in canvas bag, convenient transportation.This antenna two people set up, and the time was less than 10 minutes.
The utility model is with respect to the innovative point of prior art:
Assembly line of the present utility model (cross-arm) length reaches 3.6m, but self-locking folding hinge, quadrature grafting mount pad are adopted in the middle part, not only are easy to carry, fast erecting and removing, and also can select as required perpendicular polarization to install or horizontal polarization is installed.
Adopt bayonet type to be connected fast between radiating doublet of the present utility model and assembly line, reduced setting up and removing between the time receiving of antenna.1～5# of antenna (being front 5 couples) radiating doublet is longer, is not easy to carry, and therefore, those radiating doublets have structurally been selected scalable (stretchable) frame mode, has not only reduced setting up and remove between the time receiving but also being easy to carry of antenna.
Antenna integral material of the present utility model is selected the aluminium-alloy pipe lightweight, that intensity is high, has effectively alleviated the weight of antenna, and the antenna oscillator seat adopts the homogeneous material argon arc welding, improves Antenna reliability.
Although the utility model with preferred embodiment openly as above, it is not to limit the utility model, and any those skilled in the art can make possible change and modification within not breaking away from spirit and scope of the present utility model.Therefore, every content that does not break away from technical solutions of the utility model, according to technical spirit of the present utility model to any modification, equivalent variations and modification that above embodiment does, within all falling into the protection range that the utility model claim defines.
Claims (9)
1. a Portable Dipole Log-Period Antenna (100), is characterized in that, comprising:
Assembly line (101), horizontally set, its two ends are respectively long oscillator end and short oscillator end, and described long oscillator end has a feeder cable Connection Block, is connected with a feeder cable (104);
Radiating doublet (102) sequentially is removably mounted on the correspondence position of described assembly line (101) from long to short in couples;
Antenna adapting rod (103), removably select to install with described assembly line (101) horizontal polarization or the perpendicular polarization installation by the quadrature grafting mount pad (106) on described assembly line (101), described quadrature grafting mount pad (106) is positioned at the mass balance position of described Portable Dipole Log-Period Antenna (100).
2. Portable Dipole Log-Period Antenna according to claim 1 (100), is characterized in that, there is a self-locking folding hinge at the medium position place of described assembly line (101).
3. Portable Dipole Log-Period Antenna according to claim 1 (100), it is characterized in that, have many to the bayonet socket Connection Block on described assembly line (101), the front end of described radiating doublet (102) has the bayonet socket connector, is connected respectively to the described bayonet socket Connection Block on described assembly line (101).
4. Portable Dipole Log-Period Antenna according to claim 3 (100), is characterized in that, totally 16 pairs of described radiating doublets (102) are interchangeable between two of every pair of described radiating doublet (102).
5. Portable Dipole Log-Period Antenna according to claim 1 (100), is characterized in that, front 5 pairs that grow in described radiating doublet (102) is telescopic.
6. Portable Dipole Log-Period Antenna according to claim 5 (100), is characterized in that, also comprises: canvas bag, described radiating doublet (102) is taken in transportation when carrying.
7. Portable Dipole Log-Period Antenna according to claim 1 (100), is characterized in that, also comprises:
Antenna lifter (105) is socketed on below described antenna adapting rod (103).
8. Portable Dipole Log-Period Antenna according to claim 1 (100), is characterized in that, the whole material of described Portable Dipole Log-Period Antenna (100) is aluminium alloy.
9. Portable Dipole Log-Period Antenna according to claim 8 (100), is characterized in that, described bayonet socket Connection Block argon arc welding is on described assembly line (101).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012207258434U CN202997037U (en) | 2012-12-25 | 2012-12-25 | Portable log periodic antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012207258434U CN202997037U (en) | 2012-12-25 | 2012-12-25 | Portable log periodic antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202997037U true CN202997037U (en) | 2013-06-12 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012207258434U Expired - Fee Related CN202997037U (en) | 2012-12-25 | 2012-12-25 | Portable log periodic antenna |
Country Status (1)
| Country | Link |
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| CN (1) | CN202997037U (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104218299A (en) * | 2014-08-14 | 2014-12-17 | 菲力克斯电子（宁波）有限公司 | Antenna and assembling method thereof |
| CN105048057A (en) * | 2015-08-11 | 2015-11-11 | 泰兴市迅达通讯器材有限公司 | Portable ultra-wideband log-periodic antenna |
| CN106921017A (en) * | 2017-04-11 | 2017-07-04 | 中国电子科技集团公司第三十六研究所 | A kind of Dual log periodic antenna |
| CN109149054A (en) * | 2018-09-30 | 2019-01-04 | 北京大华恒威通信技术有限公司 | A kind of automatic folding log-periodic antenna |
| CN110380184A (en) * | 2019-07-10 | 2019-10-25 | 中国人民解放军63892部队 | A kind of horizontal and vertical Quick Connect Kit and the method for log-periodic antenna |
| CN111029712A (en) * | 2019-12-20 | 2020-04-17 | 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） | Automatic rotary log periodic antenna of exhibition receipts |
| CN112909489A (en) * | 2021-01-21 | 2021-06-04 | 杭州永谐科技有限公司上海分公司 | Foldable structure and log-periodic antenna with same |
| CN113471679A (en) * | 2021-06-27 | 2021-10-01 | 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） | Quick-locking folding type portable counter-period antenna oscillator and oscillator feed seat thereof |
| 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 |
| CN114976656A (en) * | 2022-05-25 | 2022-08-30 | 西安电子科技大学 | Miniaturized log-periodic antenna with n-shaped bending unit |
-
2012
- 2012-12-25 CN CN2012207258434U patent/CN202997037U/en not_active Expired - Fee Related
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104218299A (en) * | 2014-08-14 | 2014-12-17 | 菲力克斯电子（宁波）有限公司 | Antenna and assembling method thereof |
| CN105048057A (en) * | 2015-08-11 | 2015-11-11 | 泰兴市迅达通讯器材有限公司 | Portable ultra-wideband log-periodic antenna |
| CN105048057B (en) * | 2015-08-11 | 2018-06-05 | 泰兴市迅达通讯器材有限公司 | A kind of portable ultra wide band log-periodic antenna |
| CN106921017A (en) * | 2017-04-11 | 2017-07-04 | 中国电子科技集团公司第三十六研究所 | A kind of Dual log periodic antenna |
| CN109149054A (en) * | 2018-09-30 | 2019-01-04 | 北京大华恒威通信技术有限公司 | A kind of automatic folding log-periodic antenna |
| CN109149054B (en) * | 2018-09-30 | 2023-11-14 | 北京大华恒威通信技术有限公司 | Automatic folding log periodic antenna |
| CN110380184B (en) * | 2019-07-10 | 2023-09-29 | 中国人民解放军63892部队 | Horizontal and vertical quick connection device and method for log-periodic antenna |
| CN110380184A (en) * | 2019-07-10 | 2019-10-25 | 中国人民解放军63892部队 | A kind of horizontal and vertical Quick Connect Kit and the method for log-periodic antenna |
| CN111029712A (en) * | 2019-12-20 | 2020-04-17 | 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） | Automatic rotary log periodic antenna of exhibition receipts |
| CN111029712B (en) * | 2019-12-20 | 2021-10-12 | 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） | Automatic rotary log periodic antenna of exhibition receipts |
| CN112909489A (en) * | 2021-01-21 | 2021-06-04 | 杭州永谐科技有限公司上海分公司 | Foldable structure and log-periodic antenna with same |
| CN113471679A (en) * | 2021-06-27 | 2021-10-01 | 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） | Quick-locking folding type portable counter-period antenna oscillator and oscillator feed seat thereof |
| 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 |
| CN114976656A (en) * | 2022-05-25 | 2022-08-30 | 西安电子科技大学 | Miniaturized log-periodic antenna with n-shaped bending unit |
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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: 20130612 Termination date: 20211225 |