CN201562751U - A Broadband Omnidirectional Antenna - Google Patents
A Broadband Omnidirectional Antenna Download PDFInfo
- Publication number
- CN201562751U CN201562751U CN2009201010151U CN200920101015U CN201562751U CN 201562751 U CN201562751 U CN 201562751U CN 2009201010151 U CN2009201010151 U CN 2009201010151U CN 200920101015 U CN200920101015 U CN 200920101015U CN 201562751 U CN201562751 U CN 201562751U
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- Prior art keywords
- radiation
- upper bottom
- antenna
- radiation cone
- omnidirectional antenna
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- 230000005855 radiation Effects 0.000 claims abstract description 68
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims abstract description 11
- 239000004810 polytetrafluoroethylene Substances 0.000 claims abstract description 11
- -1 polytetrafluoroethylene Polymers 0.000 claims abstract description 10
- 239000004020 conductor Substances 0.000 claims abstract description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 20
- 229910052802 copper Inorganic materials 0.000 claims description 20
- 239000010949 copper Substances 0.000 claims description 20
- 238000010586 diagram Methods 0.000 abstract description 3
- 238000013461 design Methods 0.000 description 23
- 238000004891 communication Methods 0.000 description 9
- 238000010295 mobile communication Methods 0.000 description 6
- 230000005404 monopole Effects 0.000 description 4
- 238000011161 development Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 235000001674 Agaricus brunnescens Nutrition 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
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Abstract
本实用新型提供的是一种宽频带全向天线。它包括馈电电缆、辐射锥面、辐射圆盘，辐射锥面与上底面和下底面组成锥形辐射单元，馈电电缆从锥形辐射单元的下底面深入锥形辐射单元的内部，然后从锥形辐射单元的上底面穿出，穿过聚四氟乙烯支撑圆柱，馈电电缆为同轴电缆，同轴电缆的内导体与辐射圆盘连接，同轴电缆的外导体与锥形辐射单元的上底面连接，辐射圆盘通过聚四氟乙烯支撑圆柱连接在锥形辐射单元的上底面上。本实用新型很容易组成二、四、六单元的整列天线，且不会影响阵列垂直面的方向图。
The utility model provides a broadband omnidirectional antenna. It includes a feeder cable, a radiating cone, and a radiating disk. The radiating cone, the upper bottom and the lower bottom form a conical radiating unit. The upper bottom surface of the conical radiation unit passes through the PTFE support cylinder, the feeder cable is a coaxial cable, the inner conductor of the coaxial cable is connected to the radiation disc, and the outer conductor of the coaxial cable is connected to the conical radiation unit The upper bottom surface of the radiation disc is connected to the upper bottom surface of the conical radiation unit through a polytetrafluoroethylene support cylinder. The utility model is easy to form two, four, six-unit whole-array antennas, and will not affect the direction diagram of the vertical plane of the array.
Description
(1) technical field
The utility model relates to a kind of antenna that is applied to the communications field, specifically be a kind of in moving communicating field in all communication networks as transmitting and receiving the broadband omni-directional antenna of radio signal.
(2) background technology
Because radio communication equipment and electronic message unit are towards multifunction, miniaturization, ultra broadband and the friendly direction of coordinating with surrounding environment develop, and this makes broadband, miniaturization, the antenna of flexible design becomes the hot subject of domestic and international mobile communications industry research.It relates to the wideband impedance match technology of antenna, and the optimal design of miniature antenna profile is suitable for the design of the miniature antenna broadband matching network that the different districts signal covers and the integrated design of multiband common antenna.The antenna of a plurality of frequency ranges is integrated into a kind of trend that a kind of antenna structure is current technical development, also is the motive force that realizes device miniaturization.Antenna product in the past is to design at different working frequency range, stock size and volume are all bigger, variant communication system independent design, can be compatible or compatible degree depend on the bandwidth and the cost of antenna system, and development product all is the directional antenna product, though broadband omni-directional antenna product few in number is also arranged, but complex structure, design loaded down with trivial detailsly, versatility is poor, the processing cost height, and there is certain defective in performance, should not promote, this mobile communication cells covers and has caused certain degree of difficulty, therefore develops multiband, miniaturization, simple in structure, flexible design, broadband omni-directional antenna with low cost are very necessary.
(3) summary of the invention
The purpose of this utility model is to provide a kind of wide bandwidth, and the radiation efficiency height can realize that non-blind area covers, and can be widely used in a kind of broadband omni-directional antenna in sub-district covering and the mobile communication.
The purpose of this utility model is achieved in that
It comprises feeder cable 6, the radiation conical surface 2, radiation disk 1, the radiation conical surface 2 is formed the radiation conical surface 2 with upper bottom surface 8 and bottom surface 9, feeder cable 6 gos deep into the inside of the radiation conical surface 2 from the bottom surface 9 of the radiation conical surface 2, upper bottom surface 8 from the radiation conical surface 2 passes then, pass polytetrafluoroethylene support cylinder 4, feeder cable 6 is a coaxial cable, the inner wire 5 of coaxial cable is connected with radiation disk 1, the outer conductor of coaxial cable is connected with the upper bottom surface 8 of the radiation conical surface 2, and radiation disk 1 is connected on the upper bottom surface 8 of the radiation conical surface 2 by polytetrafluoroethylene support cylinder 4.
The utility model can also comprise:
1, the radiation conical surface 2, upper bottom surface 8, bottom surface 9 and radiation disk 1 all adopt thin copper sheet to make, and below the bottom surface 9 of the radiation conical surface 2 fixed head 3 are set, and bottom surface 9 is fixed on the fixed head 3.
2, upper bottom surface 8 is made by thin copper post, and the radiation conical surface 2 is made up of equally distributed 8～12 leads that are connected between upper bottom surface 8 and the bottom surface 9.
3, radiation disk 1 is formed by supporting copper post and 6～12 thin wires, has screwed hole to support the copper post on the upper bottom surface 8 and is screwed in the described screwed hole, and 6～12 thin wires are installed in around the support copper post by screw.
4, whole broadband omni-directional antenna is fixed in the radome, carries out capping then.
Main feature of the present utility model is: (1) the utility model utilizes the broadband character of biconical antenna and monopole (dipole) to design a broadband omni-directional antenna, and bandwidth of the present utility model surpasses 110%, and higher radiation efficiency is arranged.(2) the utility model is a omnidirectional antenna, can be installed in the Plastic Drum and the radome of Any shape in, directional diagram is more satisfactory, can cover whole space, CURRENT DISTRIBUTION is even, the covering of realization non-blind area has improved communication quality greatly, has improved communication environment.(3) the utility model adopts thin single face to cover the copper printed panel and makes the radiation conical surface and radiation disk, effective eradiation unit not only is provided, and plays good supporting role.(4) the utility model uses the single-side coated copper plate structure, and is in light weight, volume is little, can be widely used in that the sub-district covers and mobile communication in, present small and exquisite shape.(5) antenna structure that the utility model proposes is simple, flexible design, can optimize corresponding antenna size according to different radomes, is convenient to actual production and popularization.(6) the utility model adopts single-side coated copper plate and coaxial feed, and material is easy, produces easily, and cost is low, is convenient to produce in batches.
(4) description of drawings
Fig. 1 is a basic structure schematic diagram of the present utility model;
Fig. 2 is the utility model example schematic;
Fig. 3 is the utility model example schematic;
Fig. 4 is the utility model example schematic.
(5) embodiment
For example the utility model is done description in more detail below in conjunction with accompanying drawing:
Embodiment 1:
In electronic apparatus systems such as modern communications, antenna of a great variety, biconical antenna and monopole antenna have obtained using widely with its good broadband character.But it makes comparatively complicated, and cost is higher, and bandwidth can not well satisfy mobile communication (800～2500MHz) demand.Compare with monopole antenna with common biconical antenna, this antenna overall width is generally the half wavelength of the lower frequency limit of design of communications frequency band, and this programme is in order to realize the demand of miniaturization Design, and the actual size that adopts is far smaller than λ
Max/ 2 (λ
MaxFor the farm labourer of service band makes wavelength), in this embodiment, the maximum caliber (being the Breadth Maximum of antenna) that we adopt is 100mm, is far smaller than normal λ
Max/ 2.The diameter of the disk of radiation simultaneously is littler, only is 0.2 λ
MaxThe height of this all channel antenna can change along with the change at radiant cone face cone angle, to adapt to different installation environment demands.This broadband omni-directional antenna is convenient to fixing and design in the group battle array, and can overcome the pattern distortion that brings because of the group battle array.
Make the radiation conical surface 2 and radiation disk 1 formation in conjunction with the thin single-side coated copper plate of this example of Fig. 1, not only play the effect that constitutes radiating element, can well play a supporting role simultaneously.Its radiation conical surface 2 can be regarded half of biconical antenna as, and good omnidirectional radiation characteristic and broadband character are arranged.Radiation disk 1 can be regarded monopole antenna as, and its broadband and omnidirectional radiation characteristic can be used as the useful of the radiation conical surface and replenish.The simple feed structure that present case adopts, be by the last bottom surface 8 and 9 of feeder cable 6 by the fixed base plate 3 and the radiation conical surface, the outer conductor of its feeder line links together as the negative sense radiating element of antenna at upper bottom surface 8 places of the radiation conical surface 2 and the copper sheet of the radiation conical surface 2, the inner wire of coaxial cable links together by polytetrafluoroethylene support cylinder 4 and circular radiation disk 1, constitutes antenna forward radiating element.Owing to can realize the radiation of energy during the high frequency of coaxial line, be equivalent to antenna, adopt this kind conceptual design, the portion of energy of feeder cable inner wire 5 is strapped in the polytetrafluoroethylene support cylinder 4, play certain energy constraint effect, fixedly inner wire 5, avoid making inner wire to fracture.Simultaneously can regulate the height of polytetrafluoroethylene support cylinder 4, thereby regulate the length of feed probes, reach good coupling.
This antenna designs is simple, and flexible design can satisfy different design requirements, particularly can be used in the mobile communication as embellished antenna.Such as: be used in Lawn lamp, street lamp, mushroom lamp etc. beautifies provides good omnidirectional radiation characteristic in the communication.
Embodiment 2:
As shown in Figure 2, the aerial radiation conical surface of design adopts lattice structure.Its essential characteristic is: the radiating element of antenna is made up of the lattice-shaped radiation conical surface 2 and radiation disk 1, and main feeder 6 adopts polytetrafluoroethylene support cylinder 4 to support at the feed position.The upper bottom surface 8 of the radiation conical surface 2 is thin copper post, and the radiation conical surface adopts equally distributed 8～12 leads to connect and goes up bottom surface, constitutes the radiation conical surface.It is in light weight for the antenna of present case design, and wind loading rating is strong, and cost is cheaper.
Embodiment 3:
As shown in Figure 3, the radiation conical surface 2 of the antenna of design and radiation disk 1 all adopt thin copper sheet (thickness is 0.4mm) directly to be made.It is characterized by: main feeder 6 passes bottom surface 9 and upper bottom surface 8, constitutes feed structure at upper bottom surface 8 places, and polytetrafluoroethylene support cylinder 4 is arranged as supporting.The antenna of this conceptual design has in light weight, and is simple in structure, flexible design, and cost is low, is convenient to manufacture.
Embodiment 4:
As shown in Figure 4, the upper bottom surface 8 of the radiation conical surface 2 of designing antenna adopts shorter copper post to support, and screwed hole is arranged, and the radiation conical surface 2 adopts upper bottom surface 8 screwed holes of equally distributed 8～12 thin copper bar precession radiation conical surfaces 2, constitutes the radiation conical surface.The disk of radiation simultaneously 1 also adopts shorter copper post as support, and the method that adopts screw to install around cylinder is installed 6～12 thin wires as the radiation disk.
Be characterized in: simple in structure, flexible design is convenient to install, collection and transportation. Although the present invention with better embodiment openly as above; but they are not to limit invention; anyly be familiar with this skill person; without departing from the spirit and scope of the invention; from when can doing various variations and retouching, so being as the criterion of should being defined with the application's claim protection domain of protection scope of the present invention.
Claims (4)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201010151U CN201562751U (en) | 2009-09-29 | 2009-09-29 | A Broadband Omnidirectional Antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201010151U CN201562751U (en) | 2009-09-29 | 2009-09-29 | A Broadband Omnidirectional Antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201562751U true CN201562751U (en) | 2010-08-25 |
Family
ID=42627904
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201010151U Expired - Fee Related CN201562751U (en) | 2009-09-29 | 2009-09-29 | A Broadband Omnidirectional Antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201562751U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101938036A (en) * | 2010-09-03 | 2011-01-05 | 泉州佳信天线有限公司 | Low-section broadband omnidirectional ceiling antenna |
| CN104485518A (en) * | 2014-12-27 | 2015-04-01 | 成都光大灵曦科技发展股份有限公司 | Ultrashort wave folding type discone antenna |
| WO2023134405A1 (en) * | 2022-01-12 | 2023-07-20 | Oppo广东移动通信有限公司 | Electronic device |
-
2009
- 2009-09-29 CN CN2009201010151U patent/CN201562751U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101938036A (en) * | 2010-09-03 | 2011-01-05 | 泉州佳信天线有限公司 | Low-section broadband omnidirectional ceiling antenna |
| CN101938036B (en) * | 2010-09-03 | 2013-04-03 | 泉州佳信天线有限公司 | Low-section broadband omnidirectional ceiling antenna |
| CN104485518A (en) * | 2014-12-27 | 2015-04-01 | 成都光大灵曦科技发展股份有限公司 | Ultrashort wave folding type discone antenna |
| CN104485518B (en) * | 2014-12-27 | 2017-01-25 | 成都光大灵曦科技发展股份有限公司 | Ultrashort wave folding type discone antenna |
| WO2023134405A1 (en) * | 2022-01-12 | 2023-07-20 | Oppo广东移动通信有限公司 | Electronic device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100825 Termination date: 20160929 |