CN209896247U - Wide-frequency-range narrow-beam plate-shaped antenna for elevator shaft - Google Patents
Wide-frequency-range narrow-beam plate-shaped antenna for elevator shaft Download PDFInfo
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- CN209896247U CN209896247U CN201921237599.5U CN201921237599U CN209896247U CN 209896247 U CN209896247 U CN 209896247U CN 201921237599 U CN201921237599 U CN 201921237599U CN 209896247 U CN209896247 U CN 209896247U
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Abstract
The utility model discloses a wide band section elevartor shaft narrow beam plate antenna, including metal reflection bottom plate, metal reflection bottom plate four sides integrated into one piece is connected with the hem, metal reflection bottom plate leading flank installs high frequency radiation oscillator and low frequency radiation oscillator, high frequency radiation oscillator is 45 double polarization wide band oscillator of +/-, high frequency radiation oscillator comprises 4 unilateral oscillators. The utility model discloses the high frequency radiation oscillator adopts 45 double polarization wide band oscillator of cutting off, constitute for the unilateral oscillator of five limit shapes of dysmorphism by 4, carry out the feed intercommunication through 50 omega coaxial cable between the unilateral oscillator, the gain of antenna has not only been improved, antenna high frequency bandwidth also can reach the giga bandwidth, divide the ware to be equipped with two input ports and an output port through the merit, the PCB that the ware was divided to the merit is two-sided copper-coated PTFE high frequency board that covers, the dielectric constant is 2.5, thickness is 1.5mm, the isolation of antenna has been improved, realize the good matching of antenna ultra wide band.
Description
Technical Field
The utility model relates to an antenna technical field specifically is a wide band section elevartor shaft narrow beam plate antenna.
Background
The existing communication system is complex and various, the number of high-rise buildings in urban development is more and more, and the height of the floors is also more and more high. Resulting in weak or no handset signal in the elevator interior space. The existing method for solving the weak signal is mostly to install antennas in each floor, so that the engineering cost is quite high, the elevator running is risky, meanwhile, the lobe width of the original antenna is wide, the formed liquid beam is not concentrated enough, the acting distance is short, and the anti-interference capability is weak. Therefore, a broadband elevator shaft narrow-beam plate-shaped antenna is proposed.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a wide band section elevartor shaft narrow beam plate antenna to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a wide band section elevartor shaft narrow beam plate antenna, includes the metal reflection bottom plate, metal reflection bottom plate four sides integrated into one piece is connected with the hem, metal reflection bottom plate leading flank installs high frequency radiation oscillator and low frequency radiation oscillator, high frequency radiation oscillator is 45 double polarization wide band oscillators of +/-, high frequency radiation oscillator comprises 4 unilateral oscillators, four carry out the feed intercommunication through 50 omega coaxial cable between the unilateral oscillator, metal reflection bottom plate trailing flank fixed mounting has the merit to divide the ware.
Preferably, the height of the flange is 0.15-0.2 λ °.
Preferably, the number of the low-frequency radiation oscillators is 4, and the low-frequency radiation oscillators form a rectangular array.
Preferably, the number of the high-frequency radiation oscillators is 8, and the high-frequency radiation oscillators form a double-row array.
Preferably, the single-side oscillator is in a special-shaped pentagonal shape.
Preferably, the PCB of the power divider is a double-sided copper-clad PTFE high-frequency board.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses the high frequency radiation oscillator adopts 45 double polarization wide band oscillator of degree, constitute for the unilateral oscillator of special-shaped pentagon shape by 4, carry out the feed intercommunication through 50 omega coaxial cable between the unilateral oscillator, the gain of antenna has not only been improved, antenna high frequency bandwidth also can reach the giga bandwidth, divide the ware through the merit and be equipped with two input ports and an output port, the PCB of ware is divided to the merit is two-sided copper-coated PTFE high frequency board, dielectric constant is 2.5, thickness is 1.5mm, the isolation of antenna has been improved, realize the good matching of antenna ultra wide frequency, the low frequency radiation oscillator is equipped with 4 and constitutes a rectangular array, the high frequency radiation oscillator is equipped with 8 and constitutes a double array, and metal reflection bottom plate four sides integrated into one piece is connected with the hem, the height of hem is 0.15-0.2 lambda, thereby it is 2-3dB to improve the low frequency front-to-.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic diagram of the rear side structure of the present invention.
In the figure: the device comprises a metal reflection bottom plate 1, folded edges 2, a high-frequency radiation oscillator 3, a low-frequency radiation oscillator 4 and a power divider 5.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-2, the present invention provides a technical solution: the utility model provides a wide band section elevartor shaft narrow beam plate antenna, includes metal reflection bottom plate 1, 1 four sides integrated into one piece of metal reflection bottom plate is connected with hem 2, 1 leading flank of metal reflection bottom plate installs high frequency radiation oscillator 3 and low frequency radiation oscillator 4, high frequency radiation oscillator 3 is 45 double polarization wide band oscillators of +/-, high frequency radiation oscillator 3 comprises 4 unilateral oscillators, four carry out the feed intercommunication through 50 omega coaxial cable between the unilateral oscillator, 1 trailing flank fixed mounting of metal reflection bottom plate has merit to divide ware 5.
Specifically, the height of the folded edge 2 is 0.15-0.2 lambda degrees, so that the low-frequency front-to-back ratio is improved to be 2-3 dB.
Specifically, 4 low-frequency radiating oscillators 4 are arranged to form a rectangular array.
Specifically, the number of the high-frequency radiation vibrators 3 is 8, and the high-frequency radiation vibrators form a double-row array.
Specifically, the single-side oscillator is in a special-shaped pentagonal shape.
Specifically, the PCB of the power divider 5 is a double-sided copper-clad PTFE high-frequency board, the dielectric constant is 2.5, the thickness is 1.5mm, the isolation of the antenna is improved, and the excellent matching of the ultra-wideband of the antenna is realized.
Specifically, when in use, the high-frequency radiation oscillator 3 adopts a +/-45-degree dual-polarized broadband oscillator and consists of 4 single-side oscillators in the shape of special-shaped pentagon, the single-side oscillators are communicated with each other by feeding through a 50 omega coaxial cable, the gain of the antenna is improved, the high-frequency bandwidth of the antenna can also reach the giga bandwidth, the power divider 5 is provided with two input ports and one output port, the PCB of the power divider 5 is a double-sided copper-coated PTFE high-frequency board, the dielectric constant is 2.5, the thickness is 1.5mm, the isolation of the antenna is improved, the excellent matching of the ultra-wide frequency of the antenna is realized, 4 low-frequency radiating vibrators 4 are arranged and form a rectangular array, 8 high-frequency radiating vibrators 3 are arranged and form a double-row array, and four edges of the metal reflection bottom plate 1 are integrally connected with folded edges 2, and the height of the folded edges 2 is 0.15-0.2 lambda degrees, so that the low-frequency front-to-back ratio is improved to 2-3 dB.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A wide-band narrow-beam plate-shaped elevator shaft antenna comprises a metal reflecting bottom plate (1), and is characterized in that: metal reflection bottom plate (1) four sides integrated into one piece is connected with hem (2), metal reflection bottom plate (1) leading flank installs high frequency radiation oscillator (3) and low frequency radiation oscillator (4), high frequency radiation oscillator (3) are 45 double polarization wide band oscillators, high frequency radiation oscillator (3) comprise 4 unilateral oscillators, four carry out the feed intercommunication through 50 omega coaxial cable between the unilateral oscillator, metal reflection bottom plate (1) trailing flank fixed mounting has merit to divide ware (5).
2. The wide band elevator shaft narrow beam plate antenna of claim 1, wherein: the height of the folded edge (2) is 0.15-0.2 lambda degrees.
3. The wide band elevator shaft narrow beam plate antenna of claim 1, wherein: the number of the low-frequency radiation vibrators (4) is 4, and the low-frequency radiation vibrators form a rectangular array.
4. The wide band elevator shaft narrow beam plate antenna of claim 1, wherein: the high-frequency radiation oscillators (3) are provided with 8 oscillators and form a double-row array.
5. The wide band elevator shaft narrow beam plate antenna of claim 1, wherein: the single-side oscillator is in a special-shaped pentagonal shape.
6. The wide band elevator shaft narrow beam plate antenna of claim 1, wherein: the PCB of the power divider (5) is a double-sided copper-coated PTFE high-frequency board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921237599.5U CN209896247U (en) | 2019-08-02 | 2019-08-02 | Wide-frequency-range narrow-beam plate-shaped antenna for elevator shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921237599.5U CN209896247U (en) | 2019-08-02 | 2019-08-02 | Wide-frequency-range narrow-beam plate-shaped antenna for elevator shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209896247U true CN209896247U (en) | 2020-01-03 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921237599.5U Active CN209896247U (en) | 2019-08-02 | 2019-08-02 | Wide-frequency-range narrow-beam plate-shaped antenna for elevator shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209896247U (en) |
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2019
- 2019-08-02 CN CN201921237599.5U patent/CN209896247U/en active Active
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