CN101662071B - Broadband omnidirectional antenna for mobile communication - Google Patents
Broadband omnidirectional antenna for mobile communication Download PDFInfo
- Publication number
- CN101662071B CN101662071B CN200910073007A CN200910073007A CN101662071B CN 101662071 B CN101662071 B CN 101662071B CN 200910073007 A CN200910073007 A CN 200910073007A CN 200910073007 A CN200910073007 A CN 200910073007A CN 101662071 B CN101662071 B CN 101662071B
- Authority
- CN
- China
- Prior art keywords
- oscillator
- following
- firm banking
- last
- copper pipe
- 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
Images
Landscapes
- Details Of Aerials (AREA)
Abstract
The invention provides a broadband omnidirectional antenna for mobile communication. The broadband omnidirectional antenna comprises a feeder cable, an upper oscillator, a lower oscillator and a fixed base, wherein the lower oscillator is fixed on the fixed base, the upper oscillator is supported above the upper oscillator through a polytetrafluoroethylene column, the upper oscillator and the lower oscillator are connected by a short-circuit conducting wire, an external conductor of the feeder cable is connected with the lower oscillator for constituting a reverse feeding end, and an internalconductor of the feeder cable is connected with the upper oscillator for constituting a forward feeding end. The broadband omnidirectional antenna can improve radiation efficiency, improve communication quality, improve communication environment and improve the broadband impedance matching of the antenna, and has the advantages of simple impedance bandwidth structure, easy production, low cost and convenient mass production.
Description
(1) technical field
What the present invention relates to is a kind of antenna that is applied to communicate by letter, and conduct transmits and receives the broadband omni-directional antenna of radio signal in interior all communication networks of specifically a kind of moving communicating field.
(2) background technology
Because radio communication equipment and electronic message unit be towards multifunction, miniaturization, ultra broadband and develop with the direction of the friendly coordination of surrounding environment, this makes broadband, miniaturization becomes one of hot subject of domestic and international research.It relates to the wideband impedance match technology of antenna, the loading technique of antenna, the reactance compensation technique of antenna, the advanced technology and the technologies such as optimal design of miniature antenna profile.Be 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, also become one of focus of present research.Be integrated into a kind of antenna structure to the antenna of a plurality of frequency ranges, the design ultra-wideband antenna is a kind of trend of current technical development, also is the major impetus that realizes device miniaturization.Antenna product in the past designs to the different working frequency range, and 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, complex structure designs loaded down with trivial details; Versatility is poor, and processing cost is high, 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 the most important things of current research.
(3) summary of the invention
The object of the present invention is to provide a kind of multiband, miniaturization, a kind of broadband omni-directional antenna that is used for mobile communication simple in structure, with low cost.
The objective of the invention is to realize like this:
Comprise feeder cable, last oscillator, following oscillator, firm banking; Following oscillator is fixed on the firm banking; Last oscillator is supported on the oscillator top through the polytetrafluoroethylene post; Be connected by short-circuit conductors between last oscillator and the following oscillator, the outer conductor of feeder cable connects and composes the negative sense feed end with following oscillator, and the inner wire of feeder cable and last oscillator connect and compose the feedforward end.
The present invention can also comprise:
1, described upward oscillator and following oscillator are the ladder grading structure; Last oscillator, following oscillator are connected on copper pipe and the following copper pipe; Said polytetrafluoroethylene post is supported between copper pipe and the following copper pipe, and said firm banking comprises firm banking and following firm banking, and last copper pipe links to each other with upper bed-plate; Following copper pipe links to each other with lower bottom base, and feeder cable passes down firm banking and gets into copper pipe down.
2, upward the edge of oscillator has two compensating plates.
3, the edge of oscillator has a slice compensating plate down, and the upper end of this compensating plate has insulator cap.
4, down firm banking is installed in fixedly on the channel-section steel, is covered with radome at last firm banking, time firm banking.
5, described oscillator down is the ladder grading structure, and last oscillator is a conical structure.
Distinguishing feature of the present invention is mainly reflected in: (1) the present invention utilizes the broadband character of biconical antenna, designs a broadband omni-directional antenna, and bandwidth of the present invention surpasses 110%, and higher radiation efficiency is arranged.(2) the present invention is a omnidirectional antenna, can be installed in the Plastic Drum in the radome with Any shape, and directional diagram is more satisfactory, can cover whole space, and CURRENT DISTRIBUTION is even, and the covering of realization non-blind area has improved communication quality greatly, has improved communication environment.(3) direct-current short circuit grounding technology of the present invention and reactance compensation technique are improved the broadband impedance matching of antenna, increase the bandwidth of operation of antenna.(4) the present invention uses copper pipe organization center supporting construction up and down, is convenient to feed, and the inside of feeder cable copper pipe from the center is passed through simultaneously, has avoided the leakage of electromagnetic wave when high frequency, improves the radiation efficiency of antenna.Can improve current feed phase through changing the trend of feeder cable simultaneously, improve the deviation in roundness of directional diagram.(5) the present invention adopts the channel-section steel supporting antenna, not only takes into account the antenna of stable supported design, plays choking effect simultaneously, improves the impedance bandwidth of antenna.(6) antenna of the present invention's proposition, two firm bankings adopt rubber to make up and down, do not advance the well antenna of supported design, and the while can guarantee that antenna performance in the process of transportation is constant, plays cushioning effect.(7) antenna of the present invention's proposition, its feeder line passes through copper pipe inside from the center, is convenient to antenna array, changes the beamwidth of antenna simultaneously.(8) simple, the flexible design of the antenna structure of the present invention's proposition can be optimized corresponding antenna size according to the different antennas cover, is convenient to actual production and popularization.(6) the present invention adopts thin Copper Foil conduct oscillator up and down, adopts coaxial feed simultaneously, 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 sketch map of the present invention;
Fig. 2 is the structural representation of another execution mode of the present invention.
(5) embodiment
For example the present invention is done description in more detail below in conjunction with accompanying drawing:
Embodiment 1:
In the electronic apparatus systems such as modern communication, antenna of a great variety, biconical antenna has 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 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 116mm, is far smaller than normal λ
Max/ 2.Adopt the trapezoidal gradual change degeneration conical structure that does not wait simultaneously, size is further dwindled, and size of circular cone only is 0.2 λ on it
MaxThe height of this all channel antenna can change along with trapezoidal variation, 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.
What the employing of this instance was as shown in Figure 1 processes oscillator 2 and following oscillator 5 than thin copper foil or single-side coated copper plate, can not only play good radiation effect like this, plays a supporting role simultaneously.The simple feed structure that present case adopts is that main feeder 17 is given the radiating element feed through copper pipe 11 under fixedly channel-section steel 13 gets into following firm banking 12.Radiating element is made up of with following oscillator 5 last oscillator 2, and its essential characteristic is: go up oscillator 2 and form feed in the centre through feeder cable 17 with following oscillator 5.Being provided with polytetrafluoroethylene post 15 between last oscillator 2 and the following oscillator 5 supports; Two copper pipes up and down that polytetrafluoroethylene post 15 is used for supporting simultaneously; Last copper pipe 7 is used for supporting oscillator 2; Following copper pipe 11 is used for supporting down oscillator 5, and is middle with 15 connections of polytetrafluoroethylene post, and last copper pipe 7 constitutes supporting constructions with upper bed-plate 8 and lower bottom base 12 respectively with following copper pipe 11.The center copper pipe plays multiple action: as supporting construction, and oscillator 2 and following oscillator 5 in the stable support; As the support of feed, the outer conductor 16 of feeder cable is connected with following oscillator 5 through the hole on the copper pipe, constitutes negative oscillator; Another pillar as feed; The inner wire 14 of feeder cable 17 (tape insulation medium) joins with last oscillator, constitute positive oscillator, thereby oscillator constitutes a pair of doublet unit up and down; For the dipole feed, play the effect of Ba Lun conversion; The inside of coaxial cable 17 copper pipe 11 from following center is passed through, and has effectively avoided the antenna effect of coaxial cable when high frequency, electromagnetic energy is shielded in the copper pipe of center, effective like this influence that improves the radiation effect of coaxial cable to directional diagram.There are compensating plate 1 and 3 in the edge of last oscillator 2, and compensating plate 10 comprehensive compensations are because of the inner wire 14 long inductive effects that cause of coaxial cable 17, and the upper end of compensating plate 10 has insulator cap 6, prevents to cause direct short-circuit.Short-circuit conductors 4 directly connects oscillator up and down, constitutes the DC channel structure, has increased bandwidth.
Entire antenna has upper bed-plate 8, lower bottom base 12, and polytetrafluoroethylene post 15, last copper pipe 7, following copper pipe 11 constitutes supporting construction, and is installed in the radome 9 (PVC or glass-reinforced plastic material).
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; Oscillator 2 is changed to a little circular cone on the antenna of design; Following oscillator 5 still adopts the ladder grading structure; Main feeder cable 17 is given the oscillator feed through fixed head 12, and the outer conductor of its feeder cable 17 constitutes the negative sense feed end through connecing the locking copper sheathing with following oscillator 5, and its inner wire and last oscillator 2 constitute the feedforward end.Be provided with dielectric support post 15 between last oscillator 2 and the following oscillator 5.Short-circuit conductors (short bar) 4 direct and last oscillators 2 and following oscillator 5 short circuits, thus bandwidth increased.Total is fixed up entire antenna through plastic bolt and plastic nut.The total solder joint is fewer, therefore more helps improving passive intermodulation.The antenna of design can be used as the ceiling light antenna, also can be used as Lawn lamp simultaneously and uses.
Claims (5)
1. broadband omni-directional antenna that is used for mobile communication; Comprise feeder cable, last oscillator, following oscillator, firm banking; It is characterized in that: following oscillator is fixed on the firm banking, and last oscillator is supported on down oscillator top through the polytetrafluoroethylene post, is connected by short-circuit conductors between last oscillator and the following oscillator; The outer conductor of feeder cable connects and composes the negative sense feed end with following oscillator, and the inner wire of feeder cable and last oscillator connect and compose the feedforward end; The described oscillator of going up is the ladder grading structure with following oscillator; Last oscillator, following oscillator are connected on copper pipe and the following copper pipe; Said polytetrafluoroethylene post is supported between copper pipe and the following copper pipe, and said firm banking comprises firm banking and following firm banking, and last copper pipe links to each other with upper bed-plate; Following copper pipe links to each other with lower bottom base, and feeder cable passes down firm banking and gets into copper pipe down.
2. a kind of broadband omni-directional antenna that is used for mobile communication according to claim 1 is characterized in that: the edge of going up oscillator has two compensating plates.
3. a kind of broadband omni-directional antenna that is used for mobile communication according to claim 1 and 2, it is characterized in that: the edge of following oscillator has a slice compensating plate, and the upper end of this compensating plate has insulator cap.
4. a kind of broadband omni-directional antenna that is used for mobile communication according to claim 1 and 2 is characterized in that: following firm banking is installed in fixedly on the channel-section steel, at last firm banking, firm banking is covered with radome down.
5. a kind of broadband omni-directional antenna that is used for mobile communication according to claim 3 is characterized in that: following firm banking is installed in fixedly on the channel-section steel, at last firm banking, firm banking is covered with radome down.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910073007A CN101662071B (en) | 2009-09-29 | 2009-09-29 | Broadband omnidirectional antenna for mobile communication |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910073007A CN101662071B (en) | 2009-09-29 | 2009-09-29 | Broadband omnidirectional antenna for mobile communication |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101662071A CN101662071A (en) | 2010-03-03 |
| CN101662071B true CN101662071B (en) | 2012-09-26 |
Family
ID=41789941
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910073007A Expired - Fee Related CN101662071B (en) | 2009-09-29 | 2009-09-29 | Broadband omnidirectional antenna for mobile communication |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101662071B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102509861B (en) * | 2011-10-31 | 2015-06-17 | 深圳市华一通信技术有限公司 | Ultra-wideband omnidirectional antenna unit and antenna |
| CN109273826A (en) * | 2018-12-11 | 2019-01-25 | 成都九华圆通科技发展有限公司 | A kind of vehicle-mounted ultrashort wave microwave omnidirectional monitoring aerial |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2877057Y (en) * | 2006-03-14 | 2007-03-07 | 京信通信技术(广州)有限公司 | Wide-band omnidirectional ceiling antenna |
| CN101533957A (en) * | 2009-04-15 | 2009-09-16 | 南京邮电大学 | Monopole antenna adopting frustum earthplate and loading on top of ultra-broad band |
| CN201523080U (en) * | 2009-09-29 | 2010-07-07 | 哈尔滨工程大学 | Broadband omnidirectional antenna for mobile communication |
-
2009
- 2009-09-29 CN CN200910073007A patent/CN101662071B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2877057Y (en) * | 2006-03-14 | 2007-03-07 | 京信通信技术(广州)有限公司 | Wide-band omnidirectional ceiling antenna |
| CN101533957A (en) * | 2009-04-15 | 2009-09-16 | 南京邮电大学 | Monopole antenna adopting frustum earthplate and loading on top of ultra-broad band |
| CN201523080U (en) * | 2009-09-29 | 2010-07-07 | 哈尔滨工程大学 | Broadband omnidirectional antenna for mobile communication |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101662071A (en) | 2010-03-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201536155U (en) | High-gain broadband omnidirectional antenna for mobile communication | |
| CN1169387C (en) | Collapsible dipole antenna | |
| CN203013940U (en) | Antenna distributed in dual-polarization chamber | |
| CN101378148B (en) | Novel wide-band omnidirectional antenna | |
| CN101958463B (en) | High-gain wideband omnidirectional antenna | |
| CN103036073A (en) | Dual-frequency dual-polarized antenna | |
| CN102110910A (en) | Indoor dual-polarized omnidirectional antenna | |
| US20110001678A1 (en) | Antenna Array | |
| CN105206946A (en) | Indoor dual-polarization omnibearing ceiling antenna | |
| CN111092297B (en) | Low-profile multi-frequency omnidirectional vertical polarization antenna | |
| CN101179153B (en) | Broadband omni antenna | |
| CN101699658A (en) | High-gain broadband omnidirectional antenna used for mobile communication | |
| US8698696B1 (en) | Corporate feed network for compact ultra wideband high gain antenna arrays | |
| CN201298594Y (en) | Broadband omnidirectional antenna with medium gain | |
| CN2783546Y (en) | 3G 30 degree dual polarized plate shape antenna for base station | |
| CN101702466B (en) | High-gain wide-frequency band omni antenna | |
| CN101662071B (en) | Broadband omnidirectional antenna for mobile communication | |
| CN201523080U (en) | Broadband omnidirectional antenna for mobile communication | |
| CN103165975B (en) | Wide-frequency planar inverted-F antenna | |
| CN102122759A (en) | Combined small-diameter double-frequency omnidirectional antenna | |
| CN102110876B (en) | Long term evolution (LTE) double-frequency high-grain omnidirectional antenna | |
| CN201298595Y (en) | Broadband omnidirectional antenna with high gain | |
| CN201562751U (en) | Broadband omnidirectional antenna | |
| CN206370495U (en) | Dual-polarization omnidirectional antenna | |
| CN101699657A (en) | High grain wide frequency band omni-directional antenna |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| 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: 20120926 Termination date: 20190929 |