CN207381532U - A kind of shortwave log-periodic antenna of wave beam tiltable - Google Patents
A kind of shortwave log-periodic antenna of wave beam tiltable Download PDFInfo
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- CN207381532U CN207381532U CN201721447775.9U CN201721447775U CN207381532U CN 207381532 U CN207381532 U CN 207381532U CN 201721447775 U CN201721447775 U CN 201721447775U CN 207381532 U CN207381532 U CN 207381532U
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- antenna
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- wave beam
- periodic
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Abstract
The utility model discloses a kind of shortwave log-periodic antennas of wave beam tiltable, the improvement is that：The antenna includes the support tower of installation on the ground, antenna pitching device is installed at the top of support tower, the rotation axis of the antenna pitching device can be rotated in vertical plane, and V-shaped rest is installed in the rotation axis of antenna pitching device, and shortwave log-periodic antenna is then equipped at the top of V-shaped rest.The shortwave log-periodic antenna of wave beam tiltable disclosed in the utility model, by the way that shortwave log-periodic antenna is mounted in the rotation axis of antenna pitching device, shortwave log-periodic antenna is realized in vertical rotation in surface, allow the wave beam elevation angle of antenna in interior adjustment in a big way, when can effectively solve common antenna use, the unalterable problem in the same frequency wave beam elevation angle, be better achieved zenith, it is near, in, the radio signal transmitting-receiving of remote different distance.
Description
Technical field
The utility model is related to short-wave antenna field, more particularly to a kind of the short of wave beam tiltable in the field
Ripple log-periodic antenna.
Background technology
Existing shortwave log-periodic antenna cannot be in vertical rotation in surface, and the same frequency wave beam elevation angle can not be adjusted by existing
The problem of.
Utility model content
Technical problem to be solved in the utility model is just to provide a kind of shortwave logarithm period day of wave beam tiltable
Line.
In order to solve the above-mentioned technical problem, the utility model adopts the following technical solution：
A kind of shortwave log-periodic antenna of wave beam tiltable, thes improvement is that：The antenna includes installation
Support tower on the ground, antenna pitching device is installed at the top of support tower, and the rotation axis of the antenna pitching device can hang down
It faces rotation directly, V-shaped rest is installed in the rotation axis of antenna pitching device, shortwave logarithm is then installed at the top of V-shaped rest
Periodic antenna.
Further, the support tower is the self-supporting steel tower of 20 meters of height.
Further, the antenna pitching device reducer is turbine and worm retarder.
Further, the antenna pitching device rotation axis is -45 ° Dao+90 ° in the slewing area of vertical plane.
Further, the V-shaped rest is rectangle tower.
Further, the truss of the shortwave log-periodic antenna is triangle tower.
Further, the oscillator of the shortwave log-periodic antenna is the rod-shaped oscillator of aluminum alloy material.
The beneficial effects of the utility model are：
The shortwave log-periodic antenna of wave beam tiltable disclosed in the utility model, by shortwave logarithm period day
Line is mounted in the rotation axis of antenna pitching device, is realized shortwave log-periodic antenna in vertical rotation in surface, is made antenna
The wave beam elevation angle effectively can solve common antenna in use, the same frequency wave beam elevation angle cannot in interior adjustment in a big way
The problem of change, be better achieved zenith, it is near, in, the radio signal transmitting-receiving of remote different distance.
Description of the drawings
Fig. 1 is 0 ° of direction schematic diagram of antenna disclosed in the utility model embodiment 1；
Fig. 2 is+90 ° of direction schematic diagrams of antenna disclosed in the utility model embodiment 1；
Fig. 3 is antenna -45 ° direction schematic diagram disclosed in the utility model embodiment 1.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, is further elaborated the utility model.It should be appreciated that specific embodiment described herein is only used to explain
The utility model is not used to limit the utility model.
Embodiment 1, as shown in Figs. 1-3, present embodiment discloses a kind of shortwave log-periodic antenna of wave beam tiltable,
The antenna includes the support tower 1 of installation on the ground, and the installation antenna pitching device 2 at the top of support tower, which bows
Facing upward the rotation axis of device can rotate in vertical plane, V-shaped rest 3 be installed in the rotation axis of antenna pitching device, in V-shaped rest
Top is then equipped with shortwave log-periodic antenna 4.
In the present embodiment, self-supporting steel tower and identical structure type of the support tower for highly 20 meters.The antenna
Elevation mount retarder is turbine and worm retarder.The antenna pitching device rotation axis vertical plane slewing area for-
45 ° Dao+90 °.The V-shaped rest is rectangle tower and identical structure type.The truss of the shortwave log-periodic antenna is three
Turret and identical structure type.The oscillator of the shortwave log-periodic antenna is the rod-shaped oscillator of aluminum alloy material and identical structure shape
Formula.
In the present embodiment, electrical design is using the side for tightening parametric method, T-shaped loading and the loading of assembly line end resistance
Formula carries out shortwave log-periodic antenna Miniaturization Design, to shorten the set line length of antenna and oscillator length.
It in practical work process, is rotated by the rotation axis for controlling antenna pitching device in vertical plane, antenna is made to hang down
The angle of needs is turned in facing directly, so as to fulfill the adjustment to the wave beam elevation angle.There are three types of operating positions altogether for antenna：0 ° of side of level
To, antenna front ends -45 ° directions, antenna front ends+90 ° of directions upwards downwards.
Claims (7)
1. a kind of shortwave log-periodic antenna of wave beam tiltable, it is characterised in that：The antenna includes being mounted on ground
On support tower, antenna pitching device is installed at the top of support tower, the rotation axis of the antenna pitching device can turn in vertical plane
It is dynamic, V-shaped rest is installed in the rotation axis of antenna pitching device, shortwave logarithm period day is then installed at the top of V-shaped rest
Line.
2. the shortwave log-periodic antenna of wave beam tiltable according to claim 1, it is characterised in that：The support
Tower is the self-supporting steel tower of 20 meters of height.
3. the shortwave log-periodic antenna of wave beam tiltable according to claim 1, it is characterised in that：The antenna
Elevation mount retarder is turbine and worm retarder.
4. the shortwave log-periodic antenna of wave beam tiltable according to claim 1, it is characterised in that：The antenna is bowed
It is -45 ° Dao+90 ° that device rotation axis, which is faced upward, in the slewing area of vertical plane.
5. the shortwave log-periodic antenna of wave beam tiltable according to claim 1, it is characterised in that：The V-arrangement
Stent is rectangle tower.
6. the shortwave log-periodic antenna of wave beam tiltable according to claim 1, it is characterised in that：The shortwave pair
One number time, the truss of antenna was triangle tower.
7. the shortwave log-periodic antenna of wave beam tiltable according to claim 1, it is characterised in that：The shortwave pair
One number time, the oscillator of antenna was the rod-shaped oscillator of aluminum alloy material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721447775.9U CN207381532U (en) | 2017-11-03 | 2017-11-03 | A kind of shortwave log-periodic antenna of wave beam tiltable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721447775.9U CN207381532U (en) | 2017-11-03 | 2017-11-03 | A kind of shortwave log-periodic antenna of wave beam tiltable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207381532U true CN207381532U (en) | 2018-05-18 |
Family
ID=62334597
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721447775.9U Active CN207381532U (en) | 2017-11-03 | 2017-11-03 | A kind of shortwave log-periodic antenna of wave beam tiltable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207381532U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110867639A (en) * | 2019-11-26 | 2020-03-06 | 深圳市威富通讯技术有限公司 | Automatic array-forming control device and method for log periodic antenna array |
| 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 |
-
2017
- 2017-11-03 CN CN201721447775.9U patent/CN207381532U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110867639A (en) * | 2019-11-26 | 2020-03-06 | 深圳市威富通讯技术有限公司 | Automatic array-forming control device and method for log periodic antenna array |
| CN110867639B (en) * | 2019-11-26 | 2021-03-23 | 深圳市威富通讯技术有限公司 | Automatic array-forming control device and method for log periodic antenna array |
| 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 |
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