CN106684532A - Low-profile omni-directional high-frequency antenna - Google Patents
Low-profile omni-directional high-frequency antenna Download PDFInfo
- Publication number
- CN106684532A CN106684532A CN201611009924.3A CN201611009924A CN106684532A CN 106684532 A CN106684532 A CN 106684532A CN 201611009924 A CN201611009924 A CN 201611009924A CN 106684532 A CN106684532 A CN 106684532A
- Authority
- CN
- China
- Prior art keywords
- antenna
- conduction band
- metal
- metal conduction
- floor
- 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.)
- Pending
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Classifications
-
- 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
- H01Q1/27—Adaptation for use in or on movable bodies
- H01Q1/28—Adaptation for use in or on aircraft, missiles, satellites, or balloons
- H01Q1/286—Adaptation for use in or on aircraft, missiles, satellites, or balloons substantially flush mounted with the skin of the craft
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/27—Adaptation for use in or on movable bodies
- H01Q1/34—Adaptation for use in or on ships, submarines, buoys or torpedoes
-
- 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
Abstract
The invention provides a low-profile omni-directional high-frequency antenna. The antenna comprises an antenna unit, metal floor with a round back chamber and a medium plate. The antenna unit comprises an annular metal conduction band and a rectangular metal conduction band. The annular metal conduction band is concentric with the round back chamber and is horizontal with the metal floor. The annular metal conduction band is connected to the metal floor through the rectangular metal conduction band, and feeds at a position, which is opposite to the rectangular conduction band, on the annular metal conduction band through a cable passing through the round back chamber. The metal floor is a square plate. A radius of the round back chamber is greater than an external diameter of the annular metal conduction band. The medium plate is arranged between an inner wall of the round back chamber and the antenna unit. In the invention, an antenna size is reduced; at a maximum radiation direction, omni-directional performance of the antenna is good and a gain is high; an antenna height is a back chamber depth; and an electric size is small so that flush installation is convenient to achieve.
Description
Technical field
The present invention relates to antenna technology, especially high frequency antenna technical field.
Background technology
For wireless communication system, antenna is one of most important part.The good antenna of one secondary design can be shared and be
The requirement of system simultaneously improves the performance of whole system.Antenna is used for radiating or receiving electromagnetic wave as system unit, it may be said that antenna
It is electromagnetic transducer, antenna is equivalent to effect of the eyes for people for a communication system.High frequency antenna can be real
Now remote, non-relay communication, is widely used in military affairs, maritime affairs, air line and global broadcast.If without expensive ground
Face and satellite facility, then high-frequency communication is exactly communication mode that uniquely can be covering the whole world.Therefore high frequency antenna is remote
The necessary component of communication, its performance decides the quality of whole high frequency communication system performance.
The size of antenna is closely related with the wavelength of its working frequency range electromagnetic wave, when wavelength and antenna size are analogous
Wait, antenna reaches best effects for the electromagnetism wave energy for radiating or receiving this wavelength.The operating frequency of antenna is lower, its correspondence ripple
It is longer, it is desirable to which that the physical size of antenna is also bigger.High frequency antenna operating frequency section is 2-30MHz, and wavelength reaches 10-
150m, therefore high frequency antenna size is larger.
At present conventional high frequency antenna mainly has：Wire antenna (also known as wire antenna), probe antenna, top antenna is returned
Wire antenna, but for needs are mounted flush against, such as when stealthy strategic bomber, the stealthy ship without vertical tail,
Existing high frequency antenna is difficult to be suitable for.Therefore the high frequency antenna that design a kind of electrical performance indexes well and can be mounted flush against is a urgency
The problem that need to be solved.
The content of the invention
In order to overcome the deficiencies in the prior art, the present invention provides one kind can be neat on the premise of antenna electric performance index is met
The low of safety dress cuts open omni-directional HF antenna, while electric size is little, feed is convenient, is easy to the characteristic conformal with carrier aircraft, load ship.
The technical solution adopted for the present invention to solve the technical problems is：One kind is low to cut open omni-directional HF antenna, including antenna
Unit, the metal floor with circular back of the body chamber and dielectric-slab.
Described antenna element includes an endless metal conduction band and a rectangular metal conduction band, endless metal conduction band and circle
Shape back of the body chamber with one heart, and with metal floor level, endless metal conduction band is connected by rectangular metal conduction band with metal floor, by one
Root is through relative with the rectangle conduction band position feed on endless metal conduction band of the cable in circular back of the body chamber；Described metal floor is
Square plate, circle back of the body chamber radius is more than endless metal conduction band external diameter；It is medium between circle back of the body cavity wall and antenna element
Plate.
Described metal floor is identical with antenna element thickness.
Described dielectric-slab adopt dielectric constant for 1.02 foam, described antenna element is copper with metal floor.
The invention has the beneficial effects as follows：By the gap radiation between annular conduction band and floor, loop configuration reduces day
Linear dimension, the electromagnetic wave electric field of horizontal plane radiation is vertical direction, greatest irradiation direction with the horizontal certain angle, in the party
Upwards antenna omnidirectional is good, and gain is higher.Antenna height only carries on the back chamber depth, and electric size is little, is easy to be mounted flush against.
Description of the drawings
Fig. 1 is the structural representation of this antenna, wherein, it is (a) antenna top view, it is (b) cross section view in YOZ faces.
Fig. 2 is the antenna pattern of antenna, wherein, it is (a) directional diagram in XOZ faces, it is (b) directional diagram in YOZ faces, (c)
For the directional diagram in XOY faces that theta is 50 degree of angles.
Specific embodiment
With reference to the accompanying drawings and examples the present invention is further described, and the present invention includes but are not limited to following enforcements
Example.
The high frequency antenna of present invention design is constituted with 3 parts：Antenna element, metal floor, medium with circular back of the body chamber
Plate.
Antenna element is made up of an endless metal conduction band and rectangular metal conduction band, and annular conduction band inside radius is r1, outward partly
Footpath is r2, and circle ring center is concentric with circular back of the body chamber, and with floor level, annular conduction band is by the rectangular metal conduction band of a width of b and ground
Plate is connected, and relative with rectangle conduction band position feed on annular conduction band (is presented by a cable through circular back of the body chamber
Electricity).Floor is the square plate that the length of side is a, and back of the body chamber depth is h, and radius is r3, is between back of the body intracavity floor and antenna element
Dielectric-slab.Floor is s with antenna element thickness.
The high frequency antenna of present invention design is as shown in figure 1, specific dimensional parameters are as shown in table 1.
Structural parameters such as following table shown in the accompanying drawing of table 1
Specifically implementation is：By coaxial feeding, by r2, the gap between r3 carries out spoke to antenna to antenna element
Penetrate, the structure based on annulus so that greatest irradiation direction is convenient for remote in the direction with the horizontal 30 degree of angles
Short wave communication, be particularly well-suited to it is airborne in the case of antenna is installed on into aircraft upper surface, the ionospheric reflection communication being used for.The back of the body
The foam that dielectric constant is 1.02 is filled in cavity configuration to be used to reinforce antenna, and antenna element is copper with floor.
Simulation optimization is carried out to antenna model with electromagnetic simulation software HFSS, at 26MHz, low-frequency impedance reaches for antenna resonance
More than 0.1 ohm, can be connected with antenna tuner and well be fed.
Fig. 2 is the antenna pattern of antenna 30MHz, and greatest irradiation direction is equal at 50 degree in theta, and theta is equal to 50
Degree XOY faces directional diagram is omnidirectional, and gain inequality is less than 3dB.Meet design requirement.
Claims (3)
1. one kind is low cuts open omni-directional HF antenna, including antenna element, the metal floor with circular back of the body chamber and dielectric-slab, its feature
It is：Described antenna element includes an endless metal conduction band and a rectangular metal conduction band, endless metal conduction band and circle
Back of the body chamber with one heart, and with metal floor level, endless metal conduction band is connected by rectangular metal conduction band with metal floor, by one
Through relative with the rectangle conduction band position feed on endless metal conduction band of the cable in circular back of the body chamber；Described metal floor is for just
Square plate, circle back of the body chamber radius is more than endless metal conduction band external diameter；It is dielectric-slab between circle back of the body cavity wall and antenna element.
It is 2. according to claim 1 low to cut open omni-directional HF antenna, it is characterised in that：Described metal floor and antenna element
Thickness is identical.
It is 3. according to claim 1 low to cut open omni-directional HF antenna, it is characterised in that：Described dielectric-slab adopts dielectric constant
For 1.02 foam, described antenna element is copper with metal floor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611009924.3A CN106684532A (en) | 2016-11-17 | 2016-11-17 | Low-profile omni-directional high-frequency antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611009924.3A CN106684532A (en) | 2016-11-17 | 2016-11-17 | Low-profile omni-directional high-frequency antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106684532A true CN106684532A (en) | 2017-05-17 |
Family
ID=58839617
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611009924.3A Pending CN106684532A (en) | 2016-11-17 | 2016-11-17 | Low-profile omni-directional high-frequency antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106684532A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000236210A (en) * | 1999-02-15 | 2000-08-29 | Nippon Telegr & Teleph Corp <Ntt> | Antenna system |
| US20030231137A1 (en) * | 2002-06-17 | 2003-12-18 | Xin Du | Multi-band antenna |
| US20100060535A1 (en) * | 2004-09-24 | 2010-03-11 | Viasat, Inc. | Planar antenna for mobile satellite applications |
| CN101958456A (en) * | 2009-07-09 | 2011-01-26 | 苹果公司 | Cavity antennas for electronic device |
| CN103346386A (en) * | 2013-06-18 | 2013-10-09 | 哈尔滨工业大学 | Omnibearing broadband form attaching antenna for plane communication |
| CN104167602A (en) * | 2014-01-06 | 2014-11-26 | 上海大学 | Q-band one-way broadband millimeter wave circular polarization slot antenna |
| CN104659493A (en) * | 2015-03-10 | 2015-05-27 | 上海艺时网络科技有限公司 | Metal ring-slot antenna and wireless terminal |
| CN104868247A (en) * | 2015-05-22 | 2015-08-26 | 厦门大学 | Circular back cavity structure directivity three-polarization antenna |
| CN204732527U (en) * | 2015-06-02 | 2015-10-28 | 电子科技大学 | Be applied to the wrist-watch antenna of Big Dipper location time dissemination system |
| CN105529528A (en) * | 2016-02-17 | 2016-04-27 | 昆山联滔电子有限公司 | Planar antenna |
-
2016
- 2016-11-17 CN CN201611009924.3A patent/CN106684532A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000236210A (en) * | 1999-02-15 | 2000-08-29 | Nippon Telegr & Teleph Corp <Ntt> | Antenna system |
| US20030231137A1 (en) * | 2002-06-17 | 2003-12-18 | Xin Du | Multi-band antenna |
| US20100060535A1 (en) * | 2004-09-24 | 2010-03-11 | Viasat, Inc. | Planar antenna for mobile satellite applications |
| CN101958456A (en) * | 2009-07-09 | 2011-01-26 | 苹果公司 | Cavity antennas for electronic device |
| CN103346386A (en) * | 2013-06-18 | 2013-10-09 | 哈尔滨工业大学 | Omnibearing broadband form attaching antenna for plane communication |
| CN104167602A (en) * | 2014-01-06 | 2014-11-26 | 上海大学 | Q-band one-way broadband millimeter wave circular polarization slot antenna |
| CN104659493A (en) * | 2015-03-10 | 2015-05-27 | 上海艺时网络科技有限公司 | Metal ring-slot antenna and wireless terminal |
| CN104868247A (en) * | 2015-05-22 | 2015-08-26 | 厦门大学 | Circular back cavity structure directivity three-polarization antenna |
| CN204732527U (en) * | 2015-06-02 | 2015-10-28 | 电子科技大学 | Be applied to the wrist-watch antenna of Big Dipper location time dissemination system |
| CN105529528A (en) * | 2016-02-17 | 2016-04-27 | 昆山联滔电子有限公司 | Planar antenna |
Non-Patent Citations (1)
| Title |
|---|
| H. MORISHITA等: "Analysis of a cavity-backed annular slot antenna with one point shorted", 《IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION》 * |
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| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170517 |