CN104247150A - Electromagnetic dipole antenna - Google Patents
Electromagnetic dipole antenna Download PDFInfo
- Publication number
- CN104247150A CN104247150A CN201380000197.2A CN201380000197A CN104247150A CN 104247150 A CN104247150 A CN 104247150A CN 201380000197 A CN201380000197 A CN 201380000197A CN 104247150 A CN104247150 A CN 104247150A
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- China
- Prior art keywords
- magnon
- horizontal
- metal
- parasitic element
- resonant tank
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
- H01Q9/04—Resonant antennas
- H01Q9/16—Resonant antennas with feed intermediate between the extremities of the antenna, e.g. centre-fed dipole
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- Variable-Direction Aerials And Aerial Arrays (AREA)
- Aerials With Secondary Devices (AREA)
Abstract
Provided is an electromagnetic dipole antenna. The electromagnetic dipole antenna comprises a metal ground and an antenna radiation unit arranged on the metal ground. The antenna radiation unit comprises a vertical electric vibrator, a horizontal magnetic vibrator and a parasitic unit. The vertical electric vibrator and the horizontal magnetic vibrator form a first resonance loop, the parasitic unit and the horizontal magnetic vibrator form a second resonance loop, and the difference between the resonance frequency of the first resonance loop and that of the second resonance loop is less than a preset threshold value, so that the first resonance loop and the second resonance loop form a band spread resonance loop. The embodiment of the present invention achieves a band spread electromagnetic dipole antenna, and then adapts to the demand of communication broadband.
Description
The present embodiments relate to antenna technology, more particularly to a kind of electromagnetic dipole antenna of band spread for electromagnetic dipole antenna technical field.Background technology
With developing rapidly for mobile communication technology, modern communicationses develop to the direction of miniaturization, integrated, multi-functional (multiband, multipolarization and multipurpose).Antenna is as one of most important part in wireless communication system, and its size turns into one of bottleneck that restriction communication system is further minimized, thus small design, integrated, Multi-Function Antenna oneself turn into the emphasis that current antenna circle is studied.
There are many documents in terms of Miniaturized multiband antenna both at home and abroad, wherein,《Information technology》
On December 25th, 2011, publication had an article《The influence that miniaturization antenna for base station is brought》Most representative, this article mainly describes a kind of three frequency bands base station antennas available for 806 ~ 960MHz, 1710 ~ 2170MHz and 1710 ~ 2170MHz, and the volume of the antenna is： 1340mmx380 mmx l00 mm.But for the advanced communication system that antenna miniaturization requirement is increasingly improved, the volume of the antenna is still excessive, it is necessary to further study miniature antenna, and particularly research has the miniature antenna of low profile characteristic, so as to the erection and installation of convenient antenna.
Based on above-mentioned antenna miniaturization demand, electromagnetic dipole antenna is arisen at the historic moment.But, in the prior art, electromagnetic dipole antenna can not adapt to communication bandwidth demand.The content of the invention
The embodiment of the present invention provides a kind of electromagnetic dipole antenna, to adapt to communication bandwidth demand.
Electromagnetic dipole antenna provided in an embodiment of the present invention with including metal and is arranged on the antenna radiation unit of the metal ground, the antenna radiation unit includes vertical electric tachometer indicator, horizontal magnon and parasitic element, the vertical electric tachometer indicator and the horizontal magnon constitute the first resonant tank, the parasitic element constitutes the second resonant tank with the horizontal magnon, the difference of the resonant frequency of first resonant tank and the resonant frequency of second resonant tank is less than predetermined threshold value, so that first resonant tank and the resonant tank of second resonant tank formation band spread.
In the first possible implementation, the horizontal magnon is fixed on the vertical electric tachometer indicator
Top, the parasitic element is fixed on the top of the horizontal magnon.
With reference to the first above-mentioned possible implementation, in second of possible implementation, the horizontal magnon and the parasitic element are fixed on metal column, and one end of the metal column is fixed on the metal on the ground.
With reference to above-mentioned second possible implementation, in the third possible implementation, the horizontal magnon is disk-like structure of the surface covered with metal level.
With reference to the first above-mentioned any possible implementation into the third, in the 4th kind of possible implementation, the vertical electric tachometer indicator includes at least two vertical electric tachometer indicator units for being distributed in below the horizontal magnon and being fixed on the metal ground.
With reference to above-mentioned 4th kind of possible implementation, in the 5th kind of possible implementation, each vertical electric tachometer indicator is T-type structure, the T-type structure includes plate-like conductor structure and metal club shaped structure, one end of the metal club shaped structure is fixed on the metal on the ground, and the other end of the metal club shaped structure is horizontally disposed with the plate-like conductor structure.
With reference to it is above-mentioned the first to any possible implementation in the 5th kind, in the 6th kind of possible implementation, media implementation electromagnetic coupled is passed through between the vertical electric tachometer indicator and horizontal magnon.
With reference to it is above-mentioned the first to any possible implementation in the 6th kind, in the 7th kind of possible implementation, the distance between the parasitic element and described horizontal magnon D meet 0.02< D <The corresponding wavelength of frequency centered on 0.06/1, wherein A.
With reference to it is above-mentioned the first to any possible implementation in the 7th kind, in the 8th kind of possible implementation, the size of the parasitic element is less than the size of the horizontal magnon.
With reference to it is above-mentioned the first to any possible implementation in the 8th kind, in the 9th kind of possible implementation, the parasitic element is Round laminated structures or is polygon laminated structure.
The embodiment of the present invention in antenna radiation unit by increasing parasitic element, the parasitic element and horizontal magnon are constituted into the second resonant tank, and the difference of the resonant frequency of the resonant frequency and second resonant tank of vertical electric tachometer indicator and the first resonant tank of horizontal magnon composition is less than predetermined threshold value, so that the first resonant tank and the resonant tank of second resonant tank formation band spread, it is achieved thereby that a kind of electromagnetic dipole antenna of band spread, and then adapt to the demand of communication bandwidth.Brief description of the drawings in order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to reality
The accompanying drawing used required for applying in example or description of the prior art is briefly described, apparently, drawings in the following description are some embodiments of the present invention, for those of ordinary skill in the art, without having to pay creative labor, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the overall structure diagram of the embodiment of electromagnetic dipole antenna one of the present invention；
Fig. 2 is the overlooking the structure diagram of electromagnetic dipole antenna shown in Fig. 1；
Fig. 3 is the cross-sectional view of electromagnetic dipole antenna shown in Fig. 1；
Fig. 4 is the structural representation of vertical electric tachometer indicator in electromagnetic dipole antenna shown in Fig. 1；Fig. 5 is the embodiment of electromagnetic dipole antenna one of the present invention and the comparison schematic diagram of the antenna port reflectance factor of existing electromagnetic dipole antenna.Embodiment is to make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is a part of embodiment of the invention, rather than whole embodiments.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made belongs to the scope of protection of the invention.
The embodiment of the present invention provides a kind of electromagnetic dipole antenna, the antenna with including metal and is arranged on the antenna radiation unit of the metal ground, wherein, antenna radiation unit can include vertical electric tachometer indicator, horizontal magnon and parasitic element, the vertical electric tachometer indicator and horizontal magnon may be constructed the first resonant tank, parasitic element may be constructed the second resonant tank with horizontal magnon, the difference of the resonant frequency of first resonant tank and the resonant frequency of the second resonant tank is less than predetermined threshold value, so that the first resonant tank and the resonant tank of the second resonant tank formation band spread.
Specifically, electromagnetic dipole antenna is a kind of based on thermocouple extremely son and the magnetic coupling extremely complementary new antenna of son.The electromagnetic dipole antenna with can including metal and is arranged on the antenna radiation unit of the metal ground, can be a conductive metal sheet, the antenna radiation unit can include vertical electric tachometer indicator and horizontal magnon the metal.The vertical electric tachometer indicator may be constructed the first resonant tank with horizontal magnon.The antenna radiation unit of the embodiment of the present invention may further include parasitic element, and the parasitic element constitutes the second resonant tank with horizontal magnon.The resonant frequency of second resonant tank and the resonant frequency of the first resonant tank are sufficiently close to, the difference of such as two resonant frequencies can be less than predetermined threshold value, so that the first resonant tank and the resonant tank of the second resonant tank formation band spread, so as to optimize Antenna Impedance Matching, with suitable
Answer the demand of communication bandwidth.
The operation principle of the electromagnetic dipole antenna of the present embodiment is：Multiple driving sources enter row energization to multiple vertical electric tachometer indicators, the vertical electric tachometer indicator carries out electromagnetic coupled by medium and horizontal magnon, pass through the first resonant tank between vertical electric tachometer indicator and horizontal magnon, realize that first order electromagnetic energy is radiated, the horizontal magnon carries out electromagnetic coupled by medium and parasitic element, by the second resonant tank between horizontal magnon and parasitic element, second level electromagnetic energy radiation is realized.
When implementing, both electromagnetic coupled can be realized by air between vertical electric tachometer indicator and horizontal magnon, electromagnetic coupled can also be carried out by other media.Similarly, both electromagnetic coupled can be realized by air between horizontal magnon and parasitic element, electromagnetic coupled can also be carried out by other media.
In addition, it is necessary to explanation, above-mentioned predetermined threshold value can float within the specific limits, as long as ensure that the first resonant tank and the second resonant tank can form the resonant tank of band spread.Moreover, those skilled in the art can be as needed, voluntarily parasitic element is designed, so that the close demand of the resonant frequency for meeting two resonant tanks.
When implementing, horizontal magnon can be fixed on the top of vertical electric tachometer indicator to form the first resonant tank, so that vertical electric tachometer indicator is when participating in radiation, differential feed can be carried out to horizontal magnon with Air Coupling mode or other medium couples modes；Parasitic element can be fixed on the top of horizontal magnon to form the second resonant tank, so that horizontal magnon is when participating in radiation, differential feed can be carried out to parasitic element with Air Coupling mode or other medium couples modes, and then causes the resonant tank of two resonant tank formation band spreads.
Further, horizontal magnon and parasitic element can be fixed on metal on the ground by metal column, that is one end of metal column is fixed on metal on the ground, horizontal magnon and parasitic element can be fixed on the other end of the metal column through metal column, and parasitic element is fixed on the surface of horizontal magnon.
Technical scheme is described in detail using two specific embodiments below.
Fig. 1 is the overall structure diagram of the embodiment of electromagnetic dipole antenna one of the present invention, Fig. 2 is the overlooking the structure diagram of electromagnetic dipole antenna shown in Fig. 1, Fig. 3 is the cross-sectional view of electromagnetic dipole antenna shown in Fig. 1, and Fig. 4 is the structural representation of vertical electric tachometer indicator in electromagnetic dipole antenna shown in Fig. 1.As shown in Fig. 14, the electromagnetic dipole antenna of the present embodiment with including metal 1 and antenna radiation unit 2.The antenna radiation unit 2 can include vertical electric tachometer indicator 21, horizontal magnon 22 and parasitic element 23.
1 can be square-shaped planar structure, size for example can be (long for 150mm the metal）
150mm is (wide）X lmm are (thick）.
Vertical electric tachometer indicator 21 can include at least four vertical electric tachometer indicator units 211 being distributed on the horizontal lower section of magnon 22 and with being fixed on metal 1.For each vertical electric tachometer indicator unit 211, it is T type structures, the T-type structure includes plate-like conductor structure 211a and metal club shaped structure 211b, metal club shaped structure 211b one end is with being fixed on metal on 1, and the metal club shaped structure 211b other end is horizontally disposed with plate-like conductor structure 211a.Metal club shaped structure 211b for example can be the Round cylinders that radius is 1.29 mm, and its height for example can be 17.6 mm.Plate-like conductor structure 211a for example can be the Round disks that radius is 5.3 mm and thickness is 0.5mm.It should be noted that, the implementation that four vertical electric tachometer indicator units 211 hook distribution is illustrate only in Fig. 4, it will be understood by those skilled in the art that, the number for the vertical electric tachometer indicator unit 211 that vertical electric tachometer indicator 21 is included can be adjusted voluntarily as needed, and, its distribution mode and concrete structure can also be adjusted suitably, and the present embodiment is not intended to limit.
Horizontal magnon 22 can be the disk-like structure of metal dish shape structure or surface covered with metal level.Parasitic element 23 can be interchangeable with for Round laminated structures, and the parasitic element 23 can also be polygon laminated structure.
Horizontal magnon 22 and parasitic element 23 can be fixed on the top of each vertical electric tachometer indicator unit 211 by metal column 3, and parasitic element 23 is fixed on the horizontal top of magnon 22.
Preferably, the distance between parasitic element 23 and horizontal magnon 22 D can meet 0.02< D <The corresponding wavelength of frequency centered on 0.06/1, wherein A.For example, the distance between parasitic element 23 and horizontal magnon 22 D could be arranged to 0.025.
Preferably, the size of parasitic element 23 is less than the size of horizontal magnon 22.For example, radius small 2.6mm of the diameter of parasitic element 23 than horizontal magnon 22.
Fig. 5 is the embodiment of electromagnetic dipole antenna one of the present invention and the comparison schematic diagram of the antenna port reflectance factor of existing electromagnetic dipole antenna, as seen from Figure 5, set up in electromagnetic dipole antenna after parasitic element, in 1.71GHz 2.17GHz frequency ranges, antenna port reflectance factor is all reduced to below -14dB, macrocellular standing-wave ratio bandwidth requirement is met, it is achieved thereby that band spread.
It is appreciated that, the present invention is not limited to above-mentioned specific electromagnetic dipole antenna structure, those skilled in the art can also increase parasitic element in existing electromagnetic dipole antenna, as long as ensureing that the second resonant tank formed between parasitic element and horizontal magnon constitutes the resonant tank of frequency bandspread with the first resonant tank that vertical electric tachometer indicator and horizontal magnon are constituted.
The embodiment of the present invention in antenna radiation unit by increasing parasitic element, by the parasitic element and water
Flat magnon constitutes the second resonant tank, and the difference of the resonant frequency of the resonant frequency and second resonant tank of vertical electric tachometer indicator and the first resonant tank of horizontal magnon composition is less than predetermined threshold value, so that the first resonant tank and the resonant tank of second resonant tank formation band spread, it is achieved thereby that a kind of electromagnetic dipole antenna of band spread, and then adapt to the demand of communication bandwidth.
Finally it should be noted that：Various embodiments above is merely illustrative of the technical solution of the present invention, rather than its limitations；Although the present invention is described in detail with reference to foregoing embodiments, it will be understood by those within the art that：It can still modify to the technical scheme described in foregoing embodiments, or carry out equivalent substitution to which part or all technical characteristic；And these modifications or replacement, the essence of appropriate technical solution is departed from the scope of various embodiments of the present invention technical scheme.
Claims (1)
- Claims1, a kind of electromagnetic dipole antenna, it is characterized in that, including metal and be arranged on the antenna radiation unit of the metal ground, the antenna radiation unit includes vertical electric tachometer indicator, horizontal magnon and parasitic element, the vertical electric tachometer indicator and the horizontal magnon constitute the first resonant tank, the parasitic element constitutes the second resonant tank with the horizontal magnon, the difference of the resonant frequency of first resonant tank and the resonant frequency of second resonant tank is less than predetermined threshold value, so that first resonant tank and the resonant tank of second resonant tank formation band spread.2nd, antenna according to claim 1, it is characterised in that the horizontal magnon is fixed on the top of the vertical electric tachometer indicator, the parasitic element is fixed on the top of the horizontal magnon.3rd, antenna according to claim 2, it is characterised in that the horizontal magnon and the parasitic element are fixed on metal column, one end of the metal column is fixed on the metal on the ground.4th, antenna according to claim 3, it is characterised in that the horizontal magnon is disk-like structure of the surface covered with metal level.5th, the antenna according to any one of claim 24, it is characterised in that the vertical electric tachometer indicator includes at least two vertical electric tachometer indicator units for being distributed in below the horizontal magnon and being fixed on the metal ground.6th, antenna according to claim 5, it is characterized in that, each vertical electric tachometer indicator is T-type structure, the T-type structure includes plate-like conductor structure and metal club shaped structure, one end of the metal club shaped structure is fixed on the metal on the ground, and the other end of the metal club shaped structure is horizontally disposed with the plate-like conductor structure.7th, the antenna according to any one of claim 16, it is characterised in that by media implementation electromagnetic coupled between the vertical electric tachometer indicator and horizontal magnon, media implementation electromagnetic coupled is passed through between the horizontal magnon and parasitic element.8th, the antenna according to any one of claim 17, it is characterised in that the distance between the parasitic element and the horizontal magnon D meet 0.02 A< D <The corresponding wavelength of frequency centered on 0.06/1, wherein Α.9th, the antenna according to any one of claim 18, it is characterised in that the size of the parasitic element is less than the size of the horizontal magnon.10th, the antenna according to any one of claim 19, it is characterised in that the parasitic element is Round laminated structures or is polygon laminated structure.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2013/071831 WO2014127540A1 (en) | 2013-02-25 | 2013-02-25 | Electromagnetic dipole antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104247150A true CN104247150A (en) | 2014-12-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201380000197.2A Pending CN104247150A (en) | 2013-02-25 | 2013-02-25 | Electromagnetic dipole antenna |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN104247150A (en) |
| WO (1) | WO2014127540A1 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106450770B (en) * | 2015-08-10 | 2020-04-03 | 华为技术有限公司 | Antenna and miniaturized communication equipment |
| WO2018010817A1 (en) * | 2016-07-15 | 2018-01-18 | Huawei Technologies Co., Ltd. | Radiating element, a system comprising the radiating element and a method for operating the radiating element or the system |
| CN114725662B (en) * | 2022-04-28 | 2023-06-27 | 安徽大学 | Microstrip feed plane circularly polarized antenna based on magnon and electric vibrator |
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| JP2006222873A (en) * | 2005-02-14 | 2006-08-24 | Tohoku Univ | Antenna, communication apparatus and method for manufacturing antenna |
| KR20100057462A (en) * | 2008-11-21 | 2010-05-31 | 엘에스산전 주식회사 | Reverse current antenna for forming magnetic field using reverse current |
| CN101816078A (en) * | 2007-08-20 | 2010-08-25 | 艾斯特里克有限公司 | Antenna with active elements |
| CN102437416A (en) * | 2011-08-25 | 2012-05-02 | 电子科技大学 | Broadband low cross-polarization printed dipole antenna with parasitic element |
| CN102804495A (en) * | 2009-06-11 | 2012-11-28 | 阿尔卡特朗讯 | Radiating antenna element |
| CN102882004A (en) * | 2012-06-29 | 2013-01-16 | 华为技术有限公司 | Electromagnetic dipole antenna |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002217636A (en) * | 2001-01-23 | 2002-08-02 | Hitachi Cable Ltd | Dipole antenna |
| CN102437408B (en) * | 2011-08-26 | 2014-04-02 | 北京华力创通科技股份有限公司 | Octagonal flat-type array antenna |
-
2013
- 2013-02-25 CN CN201380000197.2A patent/CN104247150A/en active Pending
- 2013-02-25 WO PCT/CN2013/071831 patent/WO2014127540A1/en active Application Filing
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006222873A (en) * | 2005-02-14 | 2006-08-24 | Tohoku Univ | Antenna, communication apparatus and method for manufacturing antenna |
| CN101816078A (en) * | 2007-08-20 | 2010-08-25 | 艾斯特里克有限公司 | Antenna with active elements |
| KR20100057462A (en) * | 2008-11-21 | 2010-05-31 | 엘에스산전 주식회사 | Reverse current antenna for forming magnetic field using reverse current |
| CN102804495A (en) * | 2009-06-11 | 2012-11-28 | 阿尔卡特朗讯 | Radiating antenna element |
| CN102437416A (en) * | 2011-08-25 | 2012-05-02 | 电子科技大学 | Broadband low cross-polarization printed dipole antenna with parasitic element |
| CN102882004A (en) * | 2012-06-29 | 2013-01-16 | 华为技术有限公司 | Electromagnetic dipole antenna |
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| Publication number | Publication date |
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| WO2014127540A1 (en) | 2014-08-28 |
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Application publication date: 20141224 |