CN2724223Y - Wave guide printed antenna - Google Patents
Wave guide printed antenna Download PDFInfo
- Publication number
- CN2724223Y CN2724223Y CN 200420083293 CN200420083293U CN2724223Y CN 2724223 Y CN2724223 Y CN 2724223Y CN 200420083293 CN200420083293 CN 200420083293 CN 200420083293 U CN200420083293 U CN 200420083293U CN 2724223 Y CN2724223 Y CN 2724223Y
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- CN
- China
- Prior art keywords
- feeding network
- dielectric
- antenna
- slab
- base plate
- 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 - Fee Related
Links
- 239000000523 sample Substances 0.000 claims abstract description 23
- 239000002184 metal Substances 0.000 claims abstract description 13
- 229910052751 metal Inorganic materials 0.000 claims abstract description 13
- 230000003071 parasitic effect Effects 0.000 claims abstract description 9
- 238000004891 communication Methods 0.000 claims abstract description 7
- 238000009434 installation Methods 0.000 abstract description 2
- 230000001413 cellular effect Effects 0.000 description 9
- 238000010276 construction Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 4
- 230000010287 polarization Effects 0.000 description 3
- 230000007812 deficiency Effects 0.000 description 2
- 230000002950 deficient Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000010295 mobile communication Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- FGRBYDKOBBBPOI-UHFFFAOYSA-N 10,10-dioxo-2-[4-(N-phenylanilino)phenyl]thioxanthen-9-one Chemical compound O=C1c2ccccc2S(=O)(=O)c2ccc(cc12)-c1ccc(cc1)N(c1ccccc1)c1ccccc1 FGRBYDKOBBBPOI-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
Images
Abstract
The utility model discloses a wave guide printed antenna, comprising a base plate, a dielectric plate positioned on the base plate, antenna units printed on the dielectric plate, a feeding network and a metal strap which is arranged on the other side surface of the dielectric plate corresponding to the feeding network. The antenna unit is composed of a rectangular circular metal cavity, a T shaped probe and two parasitic pieces positioned and symmetrically distributed on the two sides of the T shaped probe. The T shaped probe, the parasitic plates and the feeding network are arranged on the same side of the dielectric plate, while correspondingly, the rectangular circular metal cavity and the metal strap which are connected with each other are arranged on the other side of the dielectric plate. The T shaped probe corresponds to the central shaft of the rectangular circular metal cavity. The input terminal of the feeding network is connected with a communication machine by a radio frequency cable and a joint, and the output terminal of the feeding network is respectively connected with the T shaped probe in each antenna unit. By combining the advantages and characteristics of the opening surface field of the wave guide structure and being assisted by a multi-folding edges reflecting base plate, the utility model has the advantages of relatively superior performance realization with relatively low cost, simple structure and easy installation.
Description
Technical field
The utility model relates to a kind of antenna, relates in particular to a kind of sector cell base station antenna of horizontal polarization working method.
Background technology
Along with developing rapidly of radio communication, cellular mobile communication sector cell soverlay technique becomes and becomes more and more important.At present, cellular mobile communication sector cell antenna for base station is a kind of directed beam antenna.In order to improve the utilance of frequency spectrum, evade the interference between the frequency effectively, adopt antenna vertical, two kinds of polarization of level working method alternately to use at adjacent sectors.And horizontally-polarized antenna of the prior art is existing serious technical deficiency and defective aspect the broad beam angle, and for example, the vibrator type antenna itself has the vertical plane directivity because of its oscillator, can not realize the beam angle of broad; It is narrow that the slit coupled antenna has frequency band, and the defective with the front and back ratio is hanged down in gain; And metal waveguide antenna of the prior art is adapted at using on the high-frequency very much usually, and needs accurate design and processing, and cost is very high, is difficult to extensive use on the engineering.In a word, horizontally-polarized antenna of the prior art can't be realized the broad beam angle simultaneously, and is simple in structure, easy for installation, the requirement that production cost is low.
The utility model content
The purpose of this utility model is to overcome the deficiency of horizontally-polarized antenna in the prior art, and to provide a kind of horizontal beam angle wide, gain can obviously be improved again than good in front and back, improves the directed waveguide printed array antenna of directivity.
Waveguide printed antenna described in the utility model comprises:
Base plate, be positioned at the dielectric-slab on the base plate, a plurality of (generally being that number is decided as required more than two) are printed on the antenna element on the dielectric-slab, feeding network and the metal tape with the corresponding setting of feeding network in the dielectric-slab another side; Wherein, antenna element comprises rectangular ring wire chamber, the T type probe that is printed on the dielectric-slab and is positioned at two parasitic patch that T type probe both sides are symmetrical distribution; Described T type probe, parasitic patch and feeding network are positioned at the homonymy of dielectric-slab, rectangular ring wire chamber and the continuous corresponding opposite side that is arranged at dielectric-slab of metal tape, the axis of the corresponding described rectangular ring wire chamber of described T type probe; The input of feeding network links to each other with communication equipment by radio frequency cable and joint, and the output of feeding network links to each other with T shape probe in each antenna element respectively.
Short circuit hole, one place can be arranged on the described dielectric-slab,, thereby realize feed ground connection with the electrical connection of realization feeding network and base plate.
Base plate is many flangings metallic plate.
The utility model can also comprise radome and joint, the external communication equipment of described joint.
Waveguide printed antenna described in the utility model, merged the advantages characteristic of waveguiding structure actinal surface field, the reflecting plate that is aided with many flangings, except that advantage such as the consistency that possesses printed antenna is excellent, in light weight, easy to process, realize more excellent performance with lower cost, it is simple in structure, easy to assembly simultaneously, solder joint is few, is very suitable for engineering application.Radome in the utility model had not only been protected the integral body of inner antenna element, feeding network and structure member but also had been guaranteed antenna operate as normal under the rugged environment out of doors.
Description of drawings
Fig. 1 is the vertical view of five cellular constructions of the present utility model;
Fig. 2 is the front view of five cellular constructions of the present utility model;
Fig. 3 is five cellular constructions of the present utility model and feeding network vertical view;
Fig. 4 is five cellular constructions of the present utility model and feeding network upward view;
Fig. 5 a is an antenna unit structure enlarged drawing among Fig. 3;
Fig. 5 b is an antenna unit structure enlarged drawing among Fig. 4;
Fig. 6 is eight cellular constructions of the present utility model and feeding network schematic diagram.
Embodiment
Below in conjunction with accompanying drawing execution mode of the present utility model is elaborated.
Antenna element in the utility model can be a plurality of, and concrete number is decided as required.
An embodiment of the present utility model with reference to Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5 a and Fig. 5 b, is the horizontal polarization fan-beam antenna of one five unit.Drawn radome and base plate of Fig. 1 wherein, Fig. 2 has provided the structure of base plate and dielectric-slab.Other figure all do not draw base plate and radome.In the present embodiment, the waveguide printed antenna comprises radome 8, base plate 1, is equipped with PTFE medium plate 2 (dielectric constant is 2.55～2.65) on the base plate 1, is printed with 5 antenna elements and one minute five feeding network (referring to Fig. 1) on the dielectric-slab 2.Each antenna element comprises rectangular ring wire chamber 5 (referring to Fig. 5 b) that is printed on dielectric-slab 2 one sides and the T type probe that is arranged at dielectric-slab 2 another sides and two parasitic patch 6 (referring to Fig. 5 a); Wire chamber 5 is connected with metal copper strips 11, and two parasitic patch 6 can have the effect of guiding into, has improved the antenna frequencies bandwidth simultaneously greatly.The output of feeding network 3 links to each other with the T type probe coplane of 5 antenna elements respectively, and connected mode is referring to Fig. 3.Short circuit hole, one place 13 can be arranged on the dielectric-slab 2,, reach the purpose of feeding network ground connection to realize the electrical connection of feeding network and base plate.The input of feeding network 3 links to each other with communication equipment by a radio frequency cable 9.Radio frequency cable 9 one ends link to each other with feeding network, the cable inner core is welded direct on the circuit of feeding network, cable appearance metal skin is welded to the little veneer 7 on the dielectric-slab 2, after veneer 7 metal pore-formed processing, radio frequency cable and feeding network just constitute a radio circuit, radiofrequency signal from the base station enters in the feeding network of array antennas via the radio frequency cable that is connected to joint 10, become five the tunnel to export each probe to phase assignments by the amplitude of designing requirement signal by feeding network, probe is encouraged by feed, the radiation frequency electromagnetic waves, electromagnetic wave produces surface current on rectangular ring wire chamber 5, form the actinal surface field, by many flangings structure of base plate 1, reflection actinal surface field forms the very wide antenna pattern of beam angle to free space then.
Fig. 6 is another embodiment of the present utility model, i.e. the waveguide printed antenna of eight cellular constructions and feeding network schematic diagram thereof.This embodiment and five cellular construction waveguide printed antennas shown in Fig. 1 to 5 are except that the antenna element number is different, and other parts are the same basically.On dielectric-slab, be printed with 8 antenna elements and one minute eight feeding network.Each antenna element comprises the rectangular ring wire chamber that is printed on the dielectric-slab back side and T type probe and two parasitic patch in dielectric-slab front; The output of feeding network 12 links to each other with the T type probe coplane of 8 antenna elements respectively.Short circuit hole, one place 13 can be arranged on the dielectric-slab,, reach the purpose of feeding network ground connection to realize the electrical connection of feeding network 12 and base plate.Signal is entered in the feeding network of array antennas by radio frequency cable, become eight the tunnel to export each probe to phase assignments by the amplitude of designing requirement signal by feeding network, probe is encouraged by feed, the radiation frequency electromagnetic waves, electromagnetic wave produces surface current on the rectangular ring wire chamber, form the actinal surface field, passes through many flangings structure of base plate then, reflection actinal surface field forms the very wide antenna pattern of beam angle to free space.
Claims (4)
1, a kind of waveguide printed antenna, it is characterized in that, comprise: base plate (1), be positioned at the dielectric-slab (2) on the base plate (1), be printed on the antenna element on the dielectric-slab (2), feeding network (3) and the metal tape (11) with the corresponding setting of feeding network in the dielectric-slab another side;
The described antenna element that is printed on the dielectric-slab (2) comprises rectangular ring wire chamber (5), T type probe (4) and is positioned at two parasitic patch (6) that T type probe both sides are symmetrical distribution; Described T type probe (4), parasitic patch (6) and feeding network are positioned at the homonymy of dielectric-slab (2), and rectangular ring wire chamber (5) and metal tape (11) link to each other and the corresponding opposite side that is arranged at dielectric-slab (2); The axis of the corresponding described rectangular ring wire chamber of described T type probe (4) (5);
The input of feeding network (3) links to each other with communication equipment by radio frequency cable (9) and joint (10), and the output of feeding network (3) links to each other with T shape probe (4) in each antenna element respectively.
2, the described waveguide printed antenna of claim 1 is characterized in that, short circuit hole, a place (13) can be arranged on the described dielectric-slab (2), to realize the electrical connection of feeding network (3) and base plate (1).
3, the described waveguide printed antenna of claim 1 is characterized in that, described base plate (1) is many flangings metallic plate.
4, claim 1,2 or 3 described waveguide printed antennas is characterized in that, also comprise radome (8) and joint (10), the external communication equipment of described joint (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420083293 CN2724223Y (en) | 2004-08-23 | 2004-08-23 | Wave guide printed antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420083293 CN2724223Y (en) | 2004-08-23 | 2004-08-23 | Wave guide printed antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2724223Y true CN2724223Y (en) | 2005-09-07 |
Family
ID=35037843
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420083293 Expired - Fee Related CN2724223Y (en) | 2004-08-23 | 2004-08-23 | Wave guide printed antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2724223Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106058451A (en) * | 2016-07-12 | 2016-10-26 | 华南理工大学 | High gain T-shaped probe feed millimeter wave patch antenna |
| CN108607835A (en) * | 2018-04-26 | 2018-10-02 | 常州信息职业技术学院 | A kind of photovoltaic system and its working method with self-cleaning function |
| CN108644061A (en) * | 2018-04-26 | 2018-10-12 | 常州信息职业技术学院 | A kind of intelligent wind power electricity generation system and its working method |
-
2004
- 2004-08-23 CN CN 200420083293 patent/CN2724223Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106058451A (en) * | 2016-07-12 | 2016-10-26 | 华南理工大学 | High gain T-shaped probe feed millimeter wave patch antenna |
| CN106058451B (en) * | 2016-07-12 | 2019-05-14 | 华南理工大学 | A kind of millimeter wave paster antenna of the T shape probe feed of high-gain |
| CN108607835A (en) * | 2018-04-26 | 2018-10-02 | 常州信息职业技术学院 | A kind of photovoltaic system and its working method with self-cleaning function |
| CN108644061A (en) * | 2018-04-26 | 2018-10-12 | 常州信息职业技术学院 | A kind of intelligent wind power electricity generation system and its working method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |