CN108565535A - A kind of low windage abnormity monopole ultra-wide band antenna with high frequency trap characteristic - Google Patents

A kind of low windage abnormity monopole ultra-wide band antenna with high frequency trap characteristic Download PDF

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Publication number
CN108565535A
CN108565535A CN201711169203.3A CN201711169203A CN108565535A CN 108565535 A CN108565535 A CN 108565535A CN 201711169203 A CN201711169203 A CN 201711169203A CN 108565535 A CN108565535 A CN 108565535A
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CN
China
Prior art keywords
coaxial
antenna
radiation
ontology
high frequency
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Withdrawn
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CN201711169203.3A
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Chinese (zh)
Inventor
钟玲玲
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Tianjin Jinhang Computing Technology Research Institute
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Tianjin Jinhang Computing Technology Research Institute
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Priority to CN201711169203.3A priority Critical patent/CN108565535A/en
Publication of CN108565535A publication Critical patent/CN108565535A/en
Withdrawn legal-status Critical Current

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/005—Damping of vibrations; Means for reducing wind-induced forces
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/48—Earthing means; Earth screens; Counterpoises
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/50—Structural association of antennas with earthing switches, lead-in devices or lightning protectors
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/52—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q15/00—Devices for reflection, refraction, diffraction or polarisation of waves radiated from an antenna, e.g. quasi-optical devices
    • H01Q15/0006—Devices acting selectively as reflecting surface, as diffracting or as refracting device, e.g. frequency filtering or angular spatial filtering devices
    • H01Q15/0053—Selective devices used as spatial filter or angular sidelobe filter
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q15/00—Devices for reflection, refraction, diffraction or polarisation of waves radiated from an antenna, e.g. quasi-optical devices
    • H01Q15/0006—Devices acting selectively as reflecting surface, as diffracting or as refracting device, e.g. frequency filtering or angular spatial filtering devices
    • H01Q15/0093—Devices acting selectively as reflecting surface, as diffracting or as refracting device, e.g. frequency filtering or angular spatial filtering devices having a fractal shape

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  • Waveguide Aerials (AREA)

Abstract

The present invention relates to a kind of low windage abnormity monopole ultra-wide band antennas with high frequency trap characteristic, including radiation ontology, antenna floor and the SMA coaxial feed connectors for being inserted into radiation ontology；It is characterized in that：The radiation ontology is processed as a metal entirety；The SMA coaxial feeds connector includes coaxial outer conductor, coaxial dielectric, coaxial inner core and coaxial flange；The radiation ontology is hollow ring slice structure, it is provided with circular hole in radiation body central, the edge for radiating ontology is zigzag, the 2/3 of a diameter of ring slice structure outer diameter of circular hole, the multiple v-notch of equidistant placement on the edge of ring slice structure, for multiple v-notch with the symmetrical distribution of straight line where coaxial inner core and the circular hole center of circle, the depth of each v-notch minimum point is the 1/12 of ring slice structure outer diameter.The antenna has many advantages, such as high frequency trap, low windage.

Description

A kind of low windage abnormity monopole ultra-wide band antenna with high frequency trap characteristic
Technical field
The invention belongs to microwave antenna art fields, and in particular to a kind of low windage abnormity with high frequency trap characteristic is single Pole ultra-wideband antenna, main application direction are the civilian ultra-wideband communications frequency ranges of 3.1GHz~10.6GHz.
Background technology
With the development of the leap and super wideband wireless electric equipment of radio frequency electric technology, ultra-wideband antenna technology is continuous Development.In recent years, ultra-wideband antenna is widely used to the military affairs such as electronic warfare system, ULTRA-WIDEBAND RADAR, satellite communication, detecting a mine Aspect, and also have extensive demand in high-speed wireless LAN, home network and radio telephone etc..Therefore, one kind is designed Ultra-wideband antenna simple in structure, of good performance is of great immediate significance.
In recent years, unipole antenna is the research hotspot of ultra-wideband antenna, it has making simple, easy to process, at low cost Many advantages, such as honest and clean, small, light-weight, wherein the circular disc monopole antenna proposed by W.Stohr is in addition to very wide resistance Except anti-bandwidth, also there is stable phase center, be widely used.Although this disk monopole antenna can be very Satisfactory radiance can be provided in wide impedance bandwidth, but it there is also following technical problems, thus limit it In the application of certain special occasions.
1) circular disc monopole antenna and its front end of variant impedance bandwidth are nearly all in 20GHz or more, and the U.S. joins Nation's Federal Communications Commission (FCC, Federal Communications Commission) provides that the frequency range of civilian ultra-wideband communications is 3.1GHz~10.6GHz, if the working frequency of limitation antenna is only in this range, above-mentioned antenna form can be due to excessively high high frequency Bandwidth and be interfered；
2) it is solid construction due to the particularity in circular disc monopole antenna structure, causes the wind load of antenna larger, wind resistance Ability is poor.When antenna is in outdoor environment use, wind increases, fractureing for the deformation even distributing point of antenna is easily caused And influence the reception and transmitting of signal.
In view of the above situation, it is necessary to be a kind of low wind with high frequency trap characteristic of application and development of civilian ultra wide band Monopole ultra-wide band antenna is hindered, more preferably than the design of existing ultra-wideband antenna electromagnetic property and wind resistant property are provided.
Invention content
In view of the deficiencies of the prior art and defect, the technical problem to be solved in the invention are：It provides a kind of with high frequency The low windage monopole ultra-wide band antenna of trap characteristic makes it solve to commonly use circular disc monopole antenna and its variant impedance bandwidth Front end is excessively high, which to be easy to be interfered, windage is larger is not suitable for the problems such as outdoor environment uses, is complicated, installation is inconvenient, day Cable architecture is reliable, has many advantages, such as high frequency trap, low windage.Present invention vertical polarization electromagnetic wave for transmitting and receiving, knot Structure is simple, and entire antenna radiator and floor are only made of metal brass and aluminium, and processing and fabricating is easy and at low cost；The antenna Be easy, can be directly with 50 Ω coaxial feedings；The antenna structure is stablized, and using clip type inner core coaxial connector, welds day It is fixed using silica gel after beta radiation body；The radiation field of aerial is evenly distributed within the scope of 360 degree of Whole frequency band horizontal plane, may be implemented Good omnidirectional's characteristic；The antenna uses laciniation at disk edge so that antenna has high frequency trap characteristic, meets logical The frequency range of letter is the civilian ultra wide band demands of 3.1GHz~10.6GHz without by other band interferences；The antenna is due to using interior sky Loop configuration so that for antenna in outdoor application, wind load is smaller, and wind loading rating is strong.
The technical solution adopted by the present invention to solve the technical problems is：A kind of low wind with high frequency trap characteristic is provided The special-shaped monopole ultra-wide band antenna of resistance, including radiation ontology, antenna floor and the SMA coaxial feeds connection for being inserted into radiation ontology Device；It is characterized in that：
The radiation ontology is processed as a metal entirety；The SMA coaxial feeds connector includes coaxial outer conductor, same Axis medium, coaxial inner core and coaxial flange；The coaxial dielectric outer diameter one with SMA coaxial feed connectors is provided among antenna floor The through-hole of cause so that the coaxial inner cores of SMA coaxial feed connectors be inserted into antenna floor and not with the short circuit of antenna floor；Stretch out day The coaxial inner core on line floor is the double-deck intermediate plate, the gap that there is the thickness with radiation ontology to match between the double-deck intermediate plate；Radiation Body lower part is inserted into the gap of the double-deck intermediate plate of coaxial inner core, is welded at the local bottom end feed of radiation and is used silica gel solid It is fixed；
The radiation ontology is hollow ring slice structure, is provided with circular hole in radiation body central, radiates the side of ontology Edge is zigzag, the 2/3 of a diameter of ring slice structure outer diameter of circular hole, equidistant placement is multiple on the edge of ring slice structure V-notch, for multiple v-notch with the symmetrical distribution of straight line where coaxial inner core and the circular hole center of circle, each v-notch is minimum The depth of point is the 1/12 of ring slice structure outer diameter.
Compared with prior art, the beneficial effects of the invention are as follows：
1) inventive antenna uses laciniation in radiation body edges so that antenna has high frequency trap characteristic, full The frequency range communicated enough is the civilian ultra wide band demands of 3.1GHz~10.6GHz without by other band interferences；
2) inventive antenna is due to the loop configuration using interior sky so that for antenna in outdoor application, wind load is smaller, wind resistance Ability is strong；
3) inventive antenna uses clip type inner core coaxial connector, is fixed using silica gel after welding radiator, and radiation is originally Body weight is light, and for radiator total weight less than 1.5g, structure is more stable；
4) inventive antenna radiation field is evenly distributed within the scope of 360 degree of Whole frequency band horizontal plane, may be implemented good complete To characteristic；
5) inventive antenna plate shape can justify can be square, size shape can suitably be adjusted according to practical application request, whole Antenna structure and application scenario are flexible.
Description of the drawings
Fig. 1 is the front view of inventive antenna.
Fig. 2 is the vertical view of inventive antenna.
Fig. 3 is inventive antenna and common circular disc monopole antenna reflection loss comparison diagram.
Fig. 4 is inventive antenna horizontal radiation pattern.
In figure：1. radiating 12. circular hole of ontology 11.V types notch, 2. antenna floor 3.SMA coaxial feeds connector 31. 32. coaxial dielectric of coaxial outer conductor, 33. coaxial inner core, 34. coaxial flange.
Specific implementation mode
The present invention basic ideas be：Low windage abnormity monopole ultra-wide band antenna with high frequency trap characteristic, circle are provided The front end of piece unipole antenna impedance bandwidth 30GHz or more, FCC provide civilian ultra-wideband communications frequency range be 3.1GHz~ 10.6GHz uses laciniation at antenna disk edge so that antenna has high frequency trap characteristic, can meet civilian super Wideband requirements are without by other band interferences；Circular disc monopole antenna windage itself is larger, is unsuitable for outdoor environment use, by disk It is hollowed out in the middle part of unipole antenna, using loop configuration so that for antenna in outdoor application, wind load is smaller, and wind loading rating is strong.Pass through tune Outer diameter, edge sawtooth size, feed spacing equidimension, can make Antenna Operation scheduled in pitch circle ring radiation body 3.1GHz~10.6GHz frequency ranges, and the characteristics such as directional diagram for forming required horizontal plane omnidirectional radiation.
The present invention is described in further details below in conjunction with the accompanying drawings.
The present invention has the low windage abnormity monopole ultra-wide band antenna (abbreviation antenna, referring to Fig. 1-2) of high frequency trap characteristic Including radiation ontology 1, antenna floor 2 and for being inserted into the SMA coaxial feeds connector 3 for radiating ontology 1；
The radiation ontology 1 is processed as a metal entirety, and metal described herein refers to brass；The SMA coaxial feeds Electric connector 3 is commercial product, selects the JMA-KFD38 connectors of Shaanxi Huada Technology Co., Ltd., including coaxial outer Conductor 31, coaxial dielectric 32, coaxial inner core 33 and coaxial flange 34；It is provided among antenna floor 2 and SMA coaxial feed connectors The consistent through-hole of 3 32 outer diameter of coaxial dielectric so that the coaxial inner core 33 of SMA coaxial feeds connector 3 be inserted into antenna floor and It is not short-circuit with antenna floor；The coaxial inner core for stretching out antenna floor is the double-deck intermediate plate, and the gap between the double-deck intermediate plate is 0.7mm, The gap and the thickness of radiation ontology 1 match；When antenna is installed, the Double-layer clamp of coaxial inner core 33 is inserted into 1 lower part of radiation ontology In piece gap, welds, fixed later with silica gel, to enhance its mechanical strength at the local bottom end feed of radiation；
The rectangular floor of antenna 2 is provided with the installation through-hole of 4 φ 3.2mm, the coaxial outer conductor of SMA coaxial feeds connector 3 31 and coaxial flange 34 be connected with antenna floor 2 across corresponding installation through-hole by the standard stainless steel screw of four M3, So that entire antenna becomes an entirety；
The radiation ontology 1 is hollow ring slice structure, is provided with circular hole 12 at 1 center of radiation ontology, radiates ontology Edge be zigzag, the 2/3 of a diameter of ring slice structure outer diameter of circular hole, equidistant placement on the edge of ring slice structure Six v-notch 11, six v-notch are lacked with the symmetrical distribution of straight line where coaxial inner core and the circular hole center of circle, each V-type The depth of mouth minimum point is the 1/12 of ring slice structure outer diameter, and ring slice structural edge is integrally serrated.
Heretofore described antenna floor is circular metal floor or square metal floor, and material is aluminium.
In the present invention, radiation ontology 1 has been the main component of radiation effects, is used for space radiation electromagnetic wave, when When emitting signal, SMA coaxial feeds connector 3 inputs the transmitting signal of external transmitter by the coaxial cable of connection, coaxially The energy of connector output evokes the surface current on radiation ontology 1, to generate radiation；Since inventive antenna is in radiation ontology 1 edge use jagged edge structure so that antenna have high frequency trap characteristic, meet communication frequency range be 3.1GHz~ The civilian ultra wide band demands of 10.6GHz are without by other band interferences；Since inventive antenna center uses the loop configuration of interior sky, So that antenna, in outdoor application, wind load is smaller, and wind loading rating is strong；Since inventive antenna uses clip type SMA coaxial feeds Connector 3, welding are fixed after radiating ontology 1 using silica gel, and aerial radiation ontology is light-weight, stable structure；As a result of super The citation form of broad-band antenna monopole, radiation field of aerial are evenly distributed within the scope of 360 degree of Whole frequency band horizontal plane, may be implemented Good omnidirectional's characteristic；In addition, in the present invention 2 shape of antenna floor can justify can side and size can be appropriate according to practical application request Adjustment, overall antenna structure and application scenario are flexible.
Embodiment 1
The present embodiment have high frequency trap characteristic low windage abnormity monopole ultra-wide band antenna, by aerial radiation ontology, Plate and for be inserted into radiation ontology in SMA coaxial feed connectors constitute；Aerial radiation body construction is that integration processing is set The outer edge indented endless sheet body structure of meter, chosen material are brass, and the present embodiment chooses square antenna floor, to mitigate day Line weight, chosen material are aluminium；It is that SMA types are coaxial to select the JMA-KFD38 connectors of Shaanxi Huada Technology Co., Ltd. Feed connector, the coaxial inner core for stretching out antenna floor are the double-deck intermediate plate, and the double-deck intermediate plate has the gap of 0.7mm；Radiate ontology It is inserted into the intermediate plate gap of the coaxial inner core of SMA type coaxial feed connectors, is welded at the feed of bottom end, use silica gel solid later It is fixed, to enhance its mechanical strength；The coaxial outer conductor and coaxial flange of SMA type coaxial feed connectors are connected with antenna floor It connects；The energy of coaxial fitting output evokes antenna radiator surface current from feed end feed-in, to generate radiation.
The outer diameter of ring slice structure is 21mm, Circularhole diameter 14mm in the present embodiment, and the angle of each v-notch is 120 °, the depth of minimum point is 1.75mm；The thickness for radiating ontology is 0.5mm, and radiation total body weight is less than 1.5g.
Fig. 3 is the present embodiment antenna and common circular disc monopole antenna reflection loss comparison diagram.Reflection loss is the one of antenna A important performance characteristic, it reflects the impedance operator of tested antenna, also determines the impedance bandwidth of antenna.As shown in figure 3, often With circular disc monopole antenna within the scope of the ultra wide frequency of 3~30GHz, the reflection loss of antenna is less than -10dB, and the present invention has height The low windage monopole ultra-wide band antenna of frequency trap characteristic in the frequency range of 3~12GHz, the reflection loss of antenna is less than- 10dB.Inventive antenna inhibits common circular disc monopole antenna high frequency characteristics so that the basic Antenna Operation of antenna is in the United States Federal Within the scope of civilian ultra-wideband communications frequency range 3.1GHz~10.6GHz as defined in Federal Communications Commission FCC, high band pair is effectively controlled The issuable interference of communication system.
Fig. 4 is the present embodiment antenna horizontal radiation pattern.Directional diagram is characterization antenna radiation characteristics and space angle relationship And the figure of radiation energy size.As shown in figure 4,3.1GHz, 6.85GHz, 10.6GHz horizontal radiation pattern are shown, antenna spoke It penetrates field and is distributed within the scope of 360 degree of Whole frequency band 3.1GHz~10.6GHz horizontal planes relatively uniform, out-of-roundness is less than 5dB, Ke Yishi Existing good omnidirectional's characteristic, meets civilian ultra-wideband communications demand.
Unspecified part of the present invention belongs to techniques well known.

Claims (4)

1. a kind of low windage abnormity monopole ultra-wide band antenna with high frequency trap characteristic, including radiation ontology, antenna floor and SMA coaxial feed connectors for being inserted into radiation ontology；It is characterized in that：
The radiation ontology is processed as a metal entirety；The SMA coaxial feeds connector includes coaxial outer conductor, coaxial Jie Matter, coaxial inner core and coaxial flange；It is provided among antenna floor consistent with the coaxial dielectric outer diameter of SMA coaxial feed connectors Through-hole so that the coaxial inner cores of SMA coaxial feed connectors be inserted into antenna floor and not with the short circuit of antenna floor；With stretching out antenna The coaxial inner core of plate is the double-deck intermediate plate, the gap that there is the thickness with radiation ontology to match between the double-deck intermediate plate；Radiate ontology Lower part is inserted into the gap of the double-deck intermediate plate of coaxial inner core, is welded at the local bottom end feed of radiation and is fixed with silica gel；
The radiation ontology is hollow ring slice structure, is provided with circular hole in radiation body central, the edge for radiating ontology is Zigzag, the 2/3 of a diameter of ring slice structure outer diameter of circular hole, the multiple V-types of equidistant placement on the edge of ring slice structure Notch, multiple v-notch are with the symmetrical distribution of straight line where coaxial inner core and the circular hole center of circle, each v-notch minimum point Depth be ring slice structure outer diameter 1/12.
2. the low windage abnormity monopole ultra-wide band antenna according to claim 1 with high frequency trap characteristic, feature exist It it is six in the quantity of the v-notch, the angle of each v-notch is 120 °.
3. the low windage abnormity monopole ultra-wide band antenna according to claim 1 with high frequency trap characteristic, feature exist It is circular metal floor or square metal floor in the antenna floor, material is aluminium；The material of aerial radiation ontology is brass.
4. the low windage abnormity monopole ultra-wide band antenna according to claim 1 with high frequency trap characteristic, feature exist In the model JMA-KFD38 connectors of the SMA coaxial feeds connector.
CN201711169203.3A 2017-11-22 2017-11-22 A kind of low windage abnormity monopole ultra-wide band antenna with high frequency trap characteristic Withdrawn CN108565535A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109687127A (en) * 2018-12-19 2019-04-26 南京理工大学 A kind of high insulating degree omnidirectional dual-mode antenna
CN110474157A (en) * 2019-08-27 2019-11-19 南京邮电大学 A kind of mobile communication frequency range printed monopole antenna
CN112736420A (en) * 2020-10-15 2021-04-30 天津津航计算技术研究所 Resistance-loaded Klopfenstein gradient profile ultra-wideband antenna

Citations (1)

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Publication number Priority date Publication date Assignee Title
CN105305055A (en) * 2015-11-20 2016-02-03 吉林医药学院 Dual-annular planer monopole antenna with ultra-wide band

Patent Citations (1)

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Publication number Priority date Publication date Assignee Title
CN105305055A (en) * 2015-11-20 2016-02-03 吉林医药学院 Dual-annular planer monopole antenna with ultra-wide band

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
JINGHUI QIU, LINGLING ZHONG: ""RESEARCH OF CIRCULAR DISC ULTRA WIDEBAND EMC"", 《200818TH INT. CRIMEAN CONFERENCE "MICROWAVE &TELECOMMUNICATION TECHNOLOGY"》 *
钟玲玲: ""超宽带圆片单极天线的改进设计"", 《上海航天》 *
钟玲玲: ""超宽带圆片天线及其小型化研究"", 《中国博士学位论文全文数据库 科技信息辑》 *

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109687127A (en) * 2018-12-19 2019-04-26 南京理工大学 A kind of high insulating degree omnidirectional dual-mode antenna
CN110474157A (en) * 2019-08-27 2019-11-19 南京邮电大学 A kind of mobile communication frequency range printed monopole antenna
CN110474157B (en) * 2019-08-27 2020-06-30 南京邮电大学 Mobile communication frequency band printing monopole antenna
CN112736420A (en) * 2020-10-15 2021-04-30 天津津航计算技术研究所 Resistance-loaded Klopfenstein gradient profile ultra-wideband antenna

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