CN202189896U - Monolayer vertical polarized antenna - Google Patents

Monolayer vertical polarized antenna Download PDF

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Publication number
CN202189896U
CN202189896U CN2011201184502U CN201120118450U CN202189896U CN 202189896 U CN202189896 U CN 202189896U CN 2011201184502 U CN2011201184502 U CN 2011201184502U CN 201120118450 U CN201120118450 U CN 201120118450U CN 202189896 U CN202189896 U CN 202189896U
Authority
CN
China
Prior art keywords
vtv
dipole
antenna unit
vertical polarized
individual layer
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.)
Expired - Lifetime
Application number
CN2011201184502U
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Chinese (zh)
Inventor
余志全
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
CHENGDU CHENGGUANG TV EQUIPMENT Co Ltd
Original Assignee
CHENGDU CHENGGUANG TV EQUIPMENT Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by CHENGDU CHENGGUANG TV EQUIPMENT Co Ltd filed Critical CHENGDU CHENGGUANG TV EQUIPMENT Co Ltd
Priority to CN2011201184502U priority Critical patent/CN202189896U/en
Application granted granted Critical
Publication of CN202189896U publication Critical patent/CN202189896U/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Abstract

The utility model discloses a monolayer vertical polarized antenna, which comprises a VTV dipole antenna unit, reflectors, a subfeeder cable, a power divider and a glass fiber reinforced plastic protective cover, wherein the VTV dipole antenna unit, the reflectors, the subfeeder cable and the power divider are respectively arranged in the glass fiber reinforced plastic protective cover. The technical scheme of the application of the patent is as follows: the integrated design is adopted, the antenna unit, the reflectors, the subfeeder cable and the power divider are respectively arranged in the cylinder-shaped glass fiber reinforced plastic protective cover, so that the installation and the maintenance of the antenna can be greatly simplified, and the installation place and the construction expense of the antenna can be saved.

Description

A kind of individual layer vertical polarized antenna
Technical field
The utility model relates to a kind of individual layer vertical polarized antenna.
Background technology
On support bar, need plug-in a plurality of power dividers, a large amount of branch feeder line, terminal fitting when traditional individual layer dipole antenna unit carries out power division, hinder and influenced installation, maintenance, the maintenance of antenna greatly.
The utility model content
The goal of the invention of the utility model is: to the problem of above-mentioned existence, a kind of individual layer vertical polarized antenna is provided, it is characterized in that comprising a VTV dipole antenna unit, two reflectors, branch feeder cable, power divider, frp protective coverboard; Described VTV dipole antenna unit, reflector, branch feeder cable and power divider all are arranged in the said frp protective coverboard.This layer of vertical polarized antenna mainly is made up of VTV dipole antenna unit, reflector, branch feeder cable, power divider, frp protective coverboard.Antenna element, branch feeder cable and power divider all are installed in the frp protective coverboard.This individual layer antenna is made up of 1 VTV dipole antenna unit.
The utility model discloses following technical scheme:
A kind of individual layer vertical polarized antenna comprises VTV dipole antenna unit, reflector, branch feeder cable, power divider, frp protective coverboard; Described VTV dipole antenna unit, reflector, branch feeder cable and power divider all are arranged in the said frp protective coverboard.
Preferably, the composition of above-mentioned VTV dipole antenna unit comprises that two-layer two show the built-in power divider of support bar of source oscillator, four balance/imbalance converters, two reflecting plates and the impedance conversion of a band.
One, VTV dipole antenna unit
1, doublet unit
The VTV dipole antenna unit is as shown in Figure 1; Input signal is from the feed-in of upper and lower oscillator symmetrical centre; Being divided into the two-way constant amplitude through power divider and in phase being fed to upper and lower two groups of oscillator centers, is two-way is fed to balance after the unsymmetrical current balance of balance/imbalance converter with coaxial line symmetrical dipole again with the high-frequency signal current uniform at this place.
In this transmission antenna unit, a short-circuiting device all is housed on each balance/imbalance converter, regulate the input impedance of the adjustable positions all day line unit of short-circuiting device on the balance/imbalance converter; The radiating doublet feed adopts probe coupled modes, the voltage standing wave ratio of appropriate change probe length adjustable antenna unit.
The direction of antenna element active dipole is perpendicular to ground, and every layer of two oscillator are symmetrical in support bar and are positioned at the both sides of same reflecting plate.For radiation effect, two active dipoles of every layer can equivalence be the dipole of two band reflecting plates, and its horizontal directive tendency (H.D.T.) is:
D=Sin (β H * Sin φ); Wherein: β=2 π/λ, λ are operation wavelength, and φ is the angle between reflecting plate plane and the radiation direction, and H is the distance of active dipole to reflecting plate, is about λ/4, thus its half-power angle be about ± 60 °.In 90 ° and 270 ° of directions maximum is arranged, minimum is arranged in 0 ° and 180 ° of directions.
2, patent protection item
The item of present patent application protection is the VTV-U antenna dipoles; This VTV-U antenna dipoles physics and the cylindrical hollow tubular of geometry; Tubulose dipole diameter phi is the half wavelength that 38mm, oscillator length are slightly less than the work centre frequency; The actual oscillator length that uses should be resonance length, actual (resonance) length of general oscillator l 0=0.95l.The direction of antenna element hollow tubular active dipole is perpendicular to ground; Every layer of two oscillator are symmetrical in support bar and are positioned at the both sides of same reflecting plate; During the active dipole feed, adopt the balancedunbalanced impedance transformer to link to each other between feeder cable and active dipole, tubulose dipole material is aluminium section bar machine-shaping; Dipole and balanced-to-unbalanced transformer adopt inferior arc-welding weldering knot, and two-layer up and down dipole is formed the VTV dipole antenna unit through two power splitters.
Two, the integrated feed of individual layer dipole antenna unit
1, feed method
In CGOJ-VTV-U individual layer vertical polarized antenna, each VTV dipole antenna unit all has the input feeding interface.Input signal is from the feed-in of upper and lower oscillator symmetrical centre; Being divided into the two-way constant amplitude through the built-in power divider of support bar and in phase being fed to upper and lower two groups of oscillator centers, is two-way is fed to balance after the unsymmetrical current balance of balance/imbalance converter with coaxial line symmetrical dipole again with the high-frequency signal current uniform at this place.
Each VTV dipole antenna unit all is the antenna with capacity of working on one's own.
Three, CGOJ-VTV-U individual layer vertical polarized antenna
The individual layer dipole vertical polarized antenna and the integrated feed system of the band reflecting plate of present patent application protection; The same with widely used dipole reflecting plate antenna on the at present domestic and international radio and television engineering; Has antenna gain height (four layers of quadripole plate antenna gain can be accomplished 9.5 dB); Bandwidth, decimeter range allotment f 0± 50 MHz bandwidth are easy to, and the band standing internal wave is than SWR≤1.1, and the decimeter range common antenna can carry out the transmission of television of many television channels.Require the mounting means of antenna element can adopt homophase to install and the quadrature installation according to covering.It is consistent with the horizontal directivity pattern of antenna element that homophase is installed (being that each antenna element active dipole direction is consistent) its horizontal directivity pattern, is applicable to the abnormity field that covering radius is different; Quadrature is installed (active dipole that is upper and lower two VTV dipole antenna units becomes 90 ° of angles in the horizontal direction), and its horizontal directive tendency (H.D.T.) is the vector superposed of adjacent two oscillator horizontal directive tendency (H.D.T.)s in each quadrant.The horizontal directivity pattern deviation in roundness of quadrature mounting means less (being similar to a circle) is suitable for omnirange and covers, the horizontal directivity pattern deviation in roundness can accomplish≤± 2dB, and install easily, characteristics such as debugging is simple, antenna efficiency height.
In sum, owing to adopted technique scheme, the beneficial effect of the utility model is:
The technical scheme of present patent application is carried out integrated design with power divider, branch feeder line, the support bar of various ways; And antenna element, reflector, power divider and branch feeder line be built in the cylindrical glass steel cage; Installation, the maintenance of antenna be can simplify greatly, and the installation site and the operating expenses of antenna saved.
Description of drawings
Fig. 1 is that the utility model is formed structural representation.
Mark among the figure: 1 representative is that dipole is hollow cylinder φ=38mm; 2 representatives are that antenna element divides the feeder line input port, and 3 representatives are active dipoles, and 4 representatives are allotment probes; 5 representatives are short-circuiting devices; 6 representatives are balanced-to-unbalanced transformers, and 7 representatives are power splitters, and 8 representatives are two sections λ/4 impedance transformers; 9 representatives are antenna elements, and 10 representatives are dipole (resonance) length l 0=0.95l, 11 representatives are protective covers, 12 representatives are two reflectors.
Embodiment
Below in conjunction with accompanying drawing, the utility model is done detailed explanation.
For the purpose, technical scheme and the advantage that make the utility model is clearer,, the utility model is further elaborated below in conjunction with accompanying drawing and embodiment.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.
As shown in Figure 1, the individual layer vertical polarized antenna is characterized in that comprising a VTV dipole antenna unit, 2 reflectors, branch feeder cable, power divider, frp protective coverboard; Described VTV dipole antenna unit, reflector, branch feeder cable and power divider all are arranged in the said frp protective coverboard.
The above is merely the preferred embodiment of the utility model; Not in order to restriction the utility model; Any modification of being done within all spirit and principles at the utility model, be equal to replacement and improvement etc., all should be included within the protection range of the utility model.

Claims (6)

1. an individual layer vertical polarized antenna is characterized in that comprising VTV dipole antenna unit, reflector, branch feeder cable, power divider, frp protective coverboard; Described VTV dipole antenna unit, reflector, branch feeder cable and power divider all are arranged in the said frp protective coverboard.
2. individual layer vertical polarized antenna according to claim 1 is characterized in that: the composition of said VTV dipole antenna unit comprises that two-layer two show the built-in power divider of support bar of source oscillator, four balance/imbalance converters, two reflecting plates and the impedance conversion of a band.
3. individual layer vertical polarized antenna according to claim 2 is characterized in that: the direction of said active dipole is perpendicular to ground, and every layer of two oscillator are symmetrical in support bar and are positioned at the both sides of same reflecting plate.
4. individual layer vertical polarized antenna according to claim 1 is characterized in that: in said VTV dipole antenna unit, be provided with a short-circuiting device on each said balance/imbalance converter.
5. individual layer vertical polarized antenna according to claim 1 is characterized in that: the cylindrical hollow tubular of the physics of this VTV dipole antenna unit and geometry, this tubulose dipole diameter phi are that 38mm, oscillator length do l 0=0.95l.
6. individual layer vertical polarized antenna according to claim 1 is characterized in that: each said VTV dipole antenna unit all is provided with the input feeding interface.
CN2011201184502U 2011-04-21 2011-04-21 Monolayer vertical polarized antenna Expired - Lifetime CN202189896U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011201184502U CN202189896U (en) 2011-04-21 2011-04-21 Monolayer vertical polarized antenna

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2011201184502U CN202189896U (en) 2011-04-21 2011-04-21 Monolayer vertical polarized antenna

Publications (1)

Publication Number Publication Date
CN202189896U true CN202189896U (en) 2012-04-11

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN2011201184502U Expired - Lifetime CN202189896U (en) 2011-04-21 2011-04-21 Monolayer vertical polarized antenna

Country Status (1)

Country Link
CN (1) CN202189896U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105990686A (en) * 2015-03-16 2016-10-05 凯仕林-维科公司 Antenna with rotatable radiating element

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105990686A (en) * 2015-03-16 2016-10-05 凯仕林-维科公司 Antenna with rotatable radiating element
CN105990686B (en) * 2015-03-16 2020-11-17 凯瑟琳欧洲股份公司 Antenna with rotatable radiating element

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GR01 Patent grant
CX01 Expiry of patent term
CX01 Expiry of patent term

Granted publication date: 20120411