CN1558469A - Vertical polarization single dipole radio station transmitting antenna - Google Patents
Vertical polarization single dipole radio station transmitting antenna Download PDFInfo
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- CN1558469A CN1558469A CNA2004100152617A CN200410015261A CN1558469A CN 1558469 A CN1558469 A CN 1558469A CN A2004100152617 A CNA2004100152617 A CN A2004100152617A CN 200410015261 A CN200410015261 A CN 200410015261A CN 1558469 A CN1558469 A CN 1558469A
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- transmitting antenna
- station transmitting
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Abstract
The invention discloses a radio station transmitting antenna, especially a transmitting antenna with a perpendicular depolarizing single dipole, comprising a strut body and multilayer antenna vibrators fixed onto the strut body, wherein each layer of the antenna vibrator is a single dipole vibrator, the two poles of which are distributed in a linear form from up to down and perpendicular to the ground, each layer of the antenna vibrator is fixedly connected to the sides of the strut body through stings, the multilayer antenna vibrators are distributed uniformly on the same side of the strut body from up to down, the strut body is a hollow metal pole with a certain taper, and is connected with two sections or more.
Description
Technical field
The present invention relates to a kind of radio station transmitting antenna, particularly a kind of perpendicular polarization single dipole transmitting antenna that is used for radio station, TV station.
Background technology
At present, China adopts in most of broadcasting stations the horizontal polarization mode emission, because horizontal polarization is too much, overstocked, same frequency that is caused or adjacent frequency disturb also more and more serious, therefore, has occurred adopting the mode of perpendicular polarization to launch electric wave.Horizontal polarization and perpendicular polarization are linear polarization, and its electric field intensity immobilized in the orientation in space any moment, and what the electric field intensity direction was parallel to the ground is horizontal polarized wave, with the transmitting antenna half-twist, the electric field intensity direction is perpendicular to the ground, at this moment, is vertically polarized wave.If the polarization of reception antenna is when coming wave polarization not match, received power will have loss, when transmitting antenna is horizontal polarized wave, reception antenna is if horizontally-polarized antenna, and then polarization loss is zero, and acknowledge(ment) signal is the strongest, otherwise, will produce polarization loss, received signal is died down.
Existing FM broadcasting is listened to instrument and mostly is portable FM broadcast receiver, the automatic switch audio amplifier, next is audio amplifier equipment and the vehicular FM broadcast receiver of fixing, during user's receiving broadcast signal, custom adopts built in telescopic antenna, and the placement great majority of its antenna are near vertical, like this, when receiving horizontal polarized wave, its polarization loss is quite serious.
In order to overcome the problem that adopts horizontal polarization emission reception difference, also there are many radio station to change transmitting antenna into perpendicular polarization, but what they generally adopted is the mode of all hanging oscillator at existing iron tower (self-supporting steel tower or Guywire tower) four sides, the oscillator quantity that this mode needs is many, the link of coupling is many, complex structure, bulky, so loss is also corresponding big, cost height and effect is unsatisfactory, in addition, it need be installed on the existing iron tower, and existing iron tower height is certain, the use that fixed up an aerial wire of comparatively ideal tower section, increase again that transmitting antenna will be restricted or the undesirable launching effect that makes of tower fragment position is bad, particularly current, along with the development of radio and television services, the FM broadcasting of various places and the tricks of television broadcasting are than all increasing to some extent in the past, adopt original mounting means again, will inevitably make contradiction more outstanding, the needs of incompatible development.
A kind of ground horizontal polarization transmitting antenna that is directly installed on is also arranged, can not be subjected to the restriction of iron tower installation site, it has adopted 6 layers of batwing antenna, every layer of batswing tab has 4 oscillators, totally 24 oscillator emission level polarized waves, this antenna structure more complicated, interface is many, easily aging entry causes reflection that transmitter is produced harm; And the quality of antenna is heavy, and windage is bigger, must use the two-layer line of climbing that the Module of aerial body is fixed, and causes the wave radiation amount to reduce, and gain descends.
Summary of the invention
In order to overcome the deficiencies in the prior art, the invention provides the single dipole element transmitting antenna of a kind of perpendicular polarization simple in structure, that cost is low, the transmitting power loss is low, reception is good.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of perpendicular polarization single dipole radio station transmitting antenna, comprise support rod body and be fixedly connected on stacked antenna oscillator on the body of rod, described every layer of antenna oscillator is a single dipole element, the linearly upper and lower distribution of type and of the two poles of the earth of described single dipole element perpendicular to ground, every layer of antenna oscillator is fixedly connected on the support rod body side by hack lever, and the stacked antenna oscillator is evenly distributed on the same side of support rod body from top to bottom.
Described support rod body is the Metallic rod that has certain taper, is preferably hollow metallic rod, and forms by refuting to connect more than two sections or two sections.
There is aluminum alloy casing on described antenna oscillator surface; The number of plies of antenna oscillator is eight layers.
Described support rod body side evenly is provided with from bottom to top and climbs ladder.
The invention has the beneficial effects as follows: (1) adopts vertical polarized antenna, and polarization loss is little, and received signal is strong, has improved emission effciency; (2) every layer of oscillator only is a single dipole, and simple in structure, interface is few, and waterproof ring is reduced few; (3) support rod body adopts hollow metallic rod, and form by refuting to connect more than two sections or two sections, in light weight, transportation, easy for installation, support rod body has certain taper can make its support more firm, (4) multilayer single dipole oscillator light weight, windage are little, making to adopt does not have traction and climbs the requirement that the line single pole is installed just is enough to reach resistance to overturning, simple in structure, cost is low, has lowered original iron tower and has climbed the decay of line to electromagnetic field, reduce the loss of wave radiation, improved antenna gain; (5) aluminum alloy casing on oscillator surface, than before the structure of full copper oscillator finish coatings, the light weight of whole oscillator, corrosion resistance is also strengthened greatly, has improved reliability of system operation.
Description of drawings
The present invention is further described below in conjunction with drawings and Examples.
Fig. 1 is the prior art constructions schematic diagram;
Fig. 2 is the structural representation of one embodiment of the invention;
Fig. 3 is the perspective view of each single dipole oscillator of the present invention and hack lever;
Fig. 4 is the horizontal field strength pattern of each single dipole oscillator of the present invention;
Embodiment
With reference to Fig. 1, radio station horizontal polarization transmitting antenna commonly used can be directly installed on the ground in the prior art, adopted 6 layers of batwing antenna, every layer of batswing tab has 4 oscillators, totally 24 oscillator emission level polarized waves, this antenna structure more complicated, interface is many, easily aging entry, cause reflection that transmitter is produced harm, in addition, the quality of antenna is heavy, windage is bigger, must use the two-layer line of climbing that the Module of aerial body is fixed, cause the wave radiation amount to reduce, gain descends.
With reference to Fig. 2, perpendicular polarization single dipole transmitting antenna of the present invention, comprise support rod body 1 and be fixedly connected on stacked antenna oscillator 2 on the body of rod, every layer of antenna oscillator is fixedly connected on support rod body 1 side by hack lever 3, and the stacked antenna oscillator is evenly distributed on the same side of support rod body from top to bottom.Among the figure, 4-climbs ladder, 5-antenna, 6-power divider.
Every layer of antenna oscillator is a single dipole element, with reference to the single dipole oscillator of Fig. 3 and the perspective view of hack lever, the linearly upper and lower distribution of type of the two poles of the earth of each single dipole element, and perpendicular to ground, launch vertically polarized wave, its horizontal field strength pattern is with reference to Fig. 4.
Support bar is high 30 meters in the present embodiment, adopts the transmitting antenna of eight layers of single face list dipole element perpendicular polarization, is complementary with the polarization of existing user's reception antenna, and polarization loss is little, and acknowledge(ment) signal is strong; And, because when single dipole element is used for perpendicular polarization, the horizontal field strength pattern of electric wave is a circle, the diffraction of electric wave is strengthened, overcome in the past that the city high rise building group stops radio wave propagation, greatly reduce at the dead point of wave radiation, has improved the reception situation greatly, even the floor of living is low or drive a vehicle and also can receive good broadcast singal in mountain area lowland road, is more suitable for moving and receives.
The number of plies of antenna oscillator is eight layers, and for single face distributes, make the gain of antenna improve, six layers of batwing antenna compared to prior art, structure are also simple a lot, and from heavy and light, need not extra the use climbs line the Module of aerial body is fixed, 30 meters single poles do not have the line of climbing, and have reduced the decay of electromagnetic field and to the loss of transmitting power, antenna gain have been improved.In addition, oscillator is light, windage is little, the reliability height, install simple, the coupling link is little, signal transmission attenuation is little, efficient is high, cost is low, and the electric wave service area enlarged 1/4, effect is very obvious, transmitter power strengthens 1 times before being equivalent to transform.
The support rod body of antenna is the Metallic rod that has certain taper, makes support more firm, is preferably hollow metallic rod, and forms by refuting to connect more than two sections or two sections, and is in light weight like this, is convenient to install and transportation.Certainly, if suitable position and condition are arranged on the iron tower this transmitting antenna is installed, then also can not adopt the metallic support rod that has tapering, and eight layers of oscillator of this single face are hung on the straight support bar and directly be loaded on the iron tower, because iron tower itself is very firm, and eight layers of oscillator light weight of this single face, windage is little, also can reach its stable requirement.
There is aluminum alloy casing on the surface of antenna oscillator, adopts glass fibre jointless construction technology, than before the structure of full copper oscillator finish coatings, the light weight of whole oscillator, corrosion resistance is strengthened again greatly, has improved reliability of system operation.
Evenly be provided with from bottom to top in the support rod body side and climb ladder, be convenient to operating personnel's installation and maintenance, improved fail safe.
In sum, this kind new vertical poliarizing antenna adopts eight layers of single dipole perpendicular polarization of single face form to install, have the gain high, simple in structure, from heavy and light, install, safeguard characteristics such as simple and convenient, and cost is low, launching effect is good, can further enlarge the coverage of program of radio station, improve audience's coverage rate, improve the quality of reception, have social benefit and economic benefit widely.
Claims (6)
1. perpendicular polarization single dipole radio station transmitting antenna, comprise support rod body (1) and be fixedly connected on stacked antenna oscillator (2) on the body of rod, it is characterized in that described every layer of antenna oscillator (2) is a single dipole element, the linearly upper and lower distribution of type and of the two poles of the earth of described single dipole element perpendicular to ground, every layer of antenna oscillator (2) is fixedly connected on support rod body (1) side by hack lever (3), and the stacked antenna oscillator is evenly distributed on the same side of support rod body (1) from top to bottom.
2. perpendicular polarization single dipole according to claim 1 radio station transmitting antenna is characterized in that described support rod body (1) is for having the Metallic rod of certain taper.
3. perpendicular polarization single dipole according to claim 2 radio station transmitting antenna is characterized in that described support rod body (1) is a hollow metallic rod, and forms by refuting to connect more than two sections or two sections.
4. perpendicular polarization single dipole according to claim 1 radio station transmitting antenna is characterized in that there is aluminum alloy casing on described antenna oscillator (2) surface.
5. perpendicular polarization single dipole according to claim 1 radio station transmitting antenna, the number of plies that it is characterized in that described antenna oscillator (2) is eight layers.
6. perpendicular polarization single dipole according to claim 1 radio station transmitting antenna is characterized in that described support rod body (1) side evenly is provided with from bottom to top to climb ladder (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100152617A CN100362696C (en) | 2004-01-19 | 2004-01-19 | Vertical polarization single dipole radio station transmitting antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100152617A CN100362696C (en) | 2004-01-19 | 2004-01-19 | Vertical polarization single dipole radio station transmitting antenna |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1558469A true CN1558469A (en) | 2004-12-29 |
| CN100362696C CN100362696C (en) | 2008-01-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100152617A Expired - Fee Related CN100362696C (en) | 2004-01-19 | 2004-01-19 | Vertical polarization single dipole radio station transmitting antenna |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102420352A (en) * | 2011-12-14 | 2012-04-18 | 佛山市健博通电讯实业有限公司 | Dual polarized antenna |
| CN105577208A (en) * | 2006-01-18 | 2016-05-11 | 高通股份有限公司 | Method and system for powering an electronic device via a wireless link |
| CN107611587A (en) * | 2017-09-27 | 2018-01-19 | 广东通宇通讯股份有限公司 | A kind of low section super-wide band high-gain directional aerial and preparation method thereof |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4031537A (en) * | 1974-10-23 | 1977-06-21 | Andrew Alford | Collinear dipole array with reflector |
| JPS5775007A (en) * | 1980-10-29 | 1982-05-11 | Nippon Telegr & Teleph Corp <Ntt> | Antenna feeding system |
| CN87214266U (en) * | 1987-10-08 | 1988-05-25 | 张国强 | Tv receiving antenna |
| JPH07202563A (en) * | 1993-12-28 | 1995-08-04 | Nippon Telegr & Teleph Corp <Ntt> | Multistage antenna |
-
2004
- 2004-01-19 CN CNB2004100152617A patent/CN100362696C/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105577208A (en) * | 2006-01-18 | 2016-05-11 | 高通股份有限公司 | Method and system for powering an electronic device via a wireless link |
| CN105577208B (en) * | 2006-01-18 | 2018-05-29 | 高通股份有限公司 | For the method and system via radio link to power electronic equipment |
| CN102420352A (en) * | 2011-12-14 | 2012-04-18 | 佛山市健博通电讯实业有限公司 | Dual polarized antenna |
| CN107611587A (en) * | 2017-09-27 | 2018-01-19 | 广东通宇通讯股份有限公司 | A kind of low section super-wide band high-gain directional aerial and preparation method thereof |
| CN107611587B (en) * | 2017-09-27 | 2023-08-08 | 广东通宇通讯股份有限公司 | Low-profile ultra-wideband high-gain directional antenna and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100362696C (en) | 2008-01-16 |
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Granted publication date: 20080116 Termination date: 20100220 |