CN207781891U - A kind of ultra-wideband high-gain short-wave antenna - Google Patents
A kind of ultra-wideband high-gain short-wave antenna Download PDFInfo
- Publication number
- CN207781891U CN207781891U CN201721777518.1U CN201721777518U CN207781891U CN 207781891 U CN207781891 U CN 207781891U CN 201721777518 U CN201721777518 U CN 201721777518U CN 207781891 U CN207781891 U CN 207781891U
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- inductance
- capacitance
- fixedly connected
- outer cover
- waveguide
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Abstract
The utility model discloses a kind of ultra-wideband high-gain short-wave antenna, composition includes：Fiberglass outer cover, fiberglass outer cover lower surface is fixedly connected with installing pipe, fiberglass shield base both ends are fixedly connected with mounting base, mounting base bottom is fixedly connected with earth mat, it is fixedly connected with oscillator at the top of oscillator fixing piece, loading needle is fixedly mounted inside fiberglass outer cover, inductance one is fixedly mounted on loading needle, inductance two and inductance three, grounded copper wire is fixedly mounted on the right side of loading needle, it is connected in parallel by capacitance two and capacitance three between inductance one and inductance two, it is connected in parallel by capacitance four and capacitance five between grounded copper wire and inductance one, it is connected in series with by capacitance one and capacitance six between inductance two and inductance three, waveguide is fixedly mounted by hex bolts in installing pipe, waveguide bottom of the tube is fixedly connected with interface by fastening screw, run through coaxial cable in waveguide, coaxial cable bottom is connect with interface.The beamwidth of antenna is increased to 40% in original 5% frequency band, and gain can accomplish 6 10dB according to demand.
Description
Technical field
The utility model is related to antenna technical field, specially a kind of ultra-wideband high-gain short-wave antenna.
Background technology
There are two types of outdoor short-wave antennas currently on the market, one is three-wire type or two-wire antenna, it the advantages of be frequency
Band is wider, but relative gain is relatively low, and installation floor space is excessively big, is to belong to the mode being horizontally mounted, the antenna one
As be receive purposes.The advantages of another kind is vertically arranged unipole antenna or dipole antenna, the antenna is high gain, installation
Simple and floor space is small, but the antenna does not exceed 5% bandwidth generally, results in needing to frequently replace antenna use in this way
And be not easy to get ready the goods, the relatively high disadvantage of production difficulty.
Utility model content
The purpose of this utility model is to provide a kind of ultra-wideband high-gain short-wave antennas, to solve in above-mentioned background technology
The problem of proposition.
To achieve the above object, the utility model provides the following technical solutions：A kind of ultra-wideband high-gain short-wave antenna,
Composition includes：Fiberglass outer cover, mounting base and installing pipe, the fiberglass outer cover lower surface is fixedly connected with installing pipe, described
Fiberglass shield base both ends be fixedly connected with mounting base, the mounting base bottom is fixedly connected with earth mat, the fiberglass
It is fixedly connected with oscillator fixing piece at the top of outer cover, oscillator, the fiberglass outer cover are fixedly connected at the top of the oscillator fixing piece
Loading needle is fixedly mounted in inside, and inductance one, inductance two and inductance three are fixedly mounted on the loading needle, and the loading needle is right
Grounded copper wire is fixedly mounted in side, is connected in parallel by capacitance two and capacitance three between the inductance one and inductance two, described
It is connected in parallel by capacitance four and capacitance five between grounded copper wire and inductance one, passes through electricity between the inductance two and inductance three
Appearance one and capacitance six are connected in series with, and pass through hex bolts in the installing pipe and waveguide, the waveguide bottom is fixedly mounted
Portion is fixedly connected with interface by fastening screw, runs through coaxial cable in the waveguide, the coaxial cable bottom with connect
Mouth connection, coaxial cable top are connect with inductance one, inductance two and inductance three.
Preferably, the ultra-wideband high-gain short-wave antenna is cased with gasket and spring washer on the hex bolts.
Compared with prior art, the utility model has the beneficial effects that：The utility model solves the frequency band of short-wave antenna
Narrow, the frequency band of the antenna can be promoted the bandwidth to 40% by original 5%, and the installation of antenna is simple, floor space is small, and gain can
According to requiring to accomplish 6-10dB.It solves the various drawbacks of short-wave antenna, coordinates the applications well of Vehicle mounted station very well, from each angle
A kind of best effect is up to arrived for degree.
Description of the drawings
FIG. 1 is a schematic structural view of the utility model；
Fig. 2 is the circuit diagram of the utility model oscillator.
In figure：1, installing pipe, 2, interface, 3, fastening screw, 4, waveguide, 5, hex bolts, 6, earth mat, 7, oscillator, 8,
Coaxial cable, 9, mounting base, 10, fiberglass outer cover, 11, fiberglass outer cover, 12, inductance two, 13, inductance three, 14, capacitance one,
15, capacitance six, 16, capacitance three, 17, capacitance two, 18, capacitance five, 19, capacitance four, 20, inductance one, 21, loading needle, 22, oscillator
Fixing piece.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
It please refers to Fig.1 and Fig. 2, the utility model provides a kind of technical solution：A kind of ultra-wideband high-gain short-wave antenna,
Composition includes：Fiberglass outer cover 10, mounting base 9 and installing pipe 1,10 lower surface of fiberglass outer cover are fixedly connected with installing pipe
1, the 10 bottom both ends of fiberglass outer cover are fixedly connected with mounting base 9, and 9 bottom of mounting base is fixedly connected with earth mat 6, institute
10 top of fiberglass outer cover stated is fixedly connected with oscillator fixing piece 22, and 22 top of oscillator fixing piece is fixedly connected with oscillator 7,
Loading needle 21 is fixedly mounted in 10 inside of fiberglass outer cover, and inductance 1, inductance is fixedly mounted on the loading needle 21
2 12 and inductance 3 13, grounded copper wire 11, the inductance 1 and inductance 2 12 is fixedly mounted in 21 right side of loading needle
Between be connected in parallel by capacitance 2 17 and capacitance 3 16, pass through capacitance 4 19 between the grounded copper wire 11 and inductance 1
It is connected in parallel with capacitance 5 18, is connected by capacitance 1 and the series connection of capacitance 6 15 between the inductance 2 12 and inductance 3 13
It connects, waveguide 4 is fixedly mounted by hex bolts 5 in the installing pipe 1,4 bottom of waveguide passes through fastening screw 3
It is fixedly connected with interface 2, runs through coaxial cable 8 in the waveguide 4,8 bottom of coaxial cable is connect with interface 2, institute
8 top of coaxial cable stated is connect with inductance 1, inductance 2 12 and inductance 3 13, and gasket is cased on the hex bolts 5
And spring washer.
Operation principle：One C1 of capacitance and six C6 of capacitance and four C4 of capacitance and five C5 of capacitance and two C2 of capacitance and capacitance three in figure
The capacitance of C3 be belong to effect in parallel, primarily to more accurately select required capacitance and impedance operator more match and
It is flat, effectively reduce impedance in very wide frequency range.
Signal source RF by one L1 of inductance,（One C1 of capacitance is in parallel with six C6 of capacitance）、（Two C2 of capacitance and three C3 of capacitance is simultaneously
Connection）, inductance two L2 form a LC and connect frequency selection circuit, select required multiple frequency points.
Signal source RF by one L1 of inductance,（One C1 of capacitance is in parallel with six C6 of capacitance）, three L3 of inductance,（Two C2 of capacitance and electricity
Hold three C3 parallel connections）The LC series connection frequency selection circuits for forming another road, select required multiple frequency points.
Signal source RF by one C1 of inductance,（One C1 of capacitance is in parallel with six C6 of capacitance）, three L3 of inductance, composition one group of LC resonance
Filter circuit is directly grounded, the frequency outside prefabricated frequency range, and the frequency change resonance in bandwidth is more flat, and circuit is formed directly
Stream ground connection.
Signal source RF by one L1 of inductance,（One C1 of capacitance is in parallel with six C6 of capacitance）, two L2 of inductance,（Two C2 of capacitance and electricity
Hold three C3 parallel connections）、（Four C4 of capacitance is in parallel with five C5 of capacitance）The LC resonance filter circuit for forming another road is directly grounded, prefabricated
Frequency outside frequency range, the frequency change resonance in bandwidth is more flat, and circuit forms DC earthing.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is appreciated that can these embodiments be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (2)
1. a kind of ultra-wideband high-gain short-wave antenna, composition include：Fiberglass outer cover（10）, mounting base（9）And installing pipe
（1）, it is characterized in that：The fiberglass outer cover（10）Lower surface is fixedly connected with installing pipe（1）, the fiberglass outer cover（10）
Bottom both ends are fixedly connected with mounting base（9）, the mounting base（9）Bottom is fixedly connected with earth mat（6）, the fiberglass outer cover
（10）Top is fixedly connected with oscillator fixing piece（22）, the oscillator fixing piece（22）Top is fixedly connected with oscillator（7）, described
Fiberglass outer cover（10）Loading needle is fixedly mounted in inside（21）, the loading needle（21）Upper fixed installation inductance one（20）, electricity
Sense two（12）With inductance three（13）, the loading needle（21）Grounded copper wire is fixedly mounted in right side（11）, the inductance one
（20）With inductance two（12）Between pass through capacitance two（17）With capacitance three（16）It is connected in parallel, the grounded copper wire（11）With electricity
Sense one（20）Between pass through capacitance four（19）With capacitance five（18）It is connected in parallel, the inductance two（12）With inductance three（13）It
Between pass through capacitance one（14）With capacitance six（15）It is connected in series with, the installing pipe（4）Inside pass through hex bolts（5）It is fixedly mounted
Waveguide（4）, the waveguide（4）Bottom passes through fastening screw（3）It is fixedly connected with interface（2）, the waveguide（4）It is interior
Through coaxial cable（8）, the coaxial cable（8）Bottom and interface（2）Connection, the coaxial cable（80）Top and electricity
Sense one（20）, inductance two（12）With inductance three（13）Connection.
2. ultra-wideband high-gain short-wave antenna according to claim 1, it is characterized in that：The hex bolts（5）Upper set
There are gasket and spring washer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721777518.1U CN207781891U (en) | 2017-12-19 | 2017-12-19 | A kind of ultra-wideband high-gain short-wave antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721777518.1U CN207781891U (en) | 2017-12-19 | 2017-12-19 | A kind of ultra-wideband high-gain short-wave antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207781891U true CN207781891U (en) | 2018-08-28 |
Family
ID=63226550
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721777518.1U Expired - Fee Related CN207781891U (en) | 2017-12-19 | 2017-12-19 | A kind of ultra-wideband high-gain short-wave antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207781891U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107978862A (en) * | 2017-12-19 | 2018-05-01 | 福建省泉州华鸿通讯有限公司 | A kind of ultra-wideband high-gain short-wave antenna |
-
2017
- 2017-12-19 CN CN201721777518.1U patent/CN207781891U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107978862A (en) * | 2017-12-19 | 2018-05-01 | 福建省泉州华鸿通讯有限公司 | A kind of ultra-wideband high-gain short-wave antenna |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180828 Termination date: 20211219 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |