CN105932415A - Omnidirectional microstrip antenna - Google Patents
Omnidirectional microstrip antenna Download PDFInfo
- Publication number
- CN105932415A CN105932415A CN201610391825.XA CN201610391825A CN105932415A CN 105932415 A CN105932415 A CN 105932415A CN 201610391825 A CN201610391825 A CN 201610391825A CN 105932415 A CN105932415 A CN 105932415A
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- China
- Prior art keywords
- radiating element
- substrate
- antenna
- microstrip antenna
- back side
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Classifications
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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
- H01Q9/06—Details
- H01Q9/065—Microstrip dipole antennas
-
- 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
- H01Q1/38—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith formed by a conductive layer on an insulating support
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
- H01Q3/26—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture
- H01Q3/30—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture varying the relative phase between the radiating elements of an array
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- Waveguide Aerials (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
Abstract
The present invention discloses an omnidirectional microstrip antenna. The omnidirectional microstrip antenna includes a base board. Concave radiation units are distributed on the base board. The radiation units include a first radiation unit, a second radiation unit, a third radiation unit and a fourth radiation unit that are sequentially distributed on the front of the base board, and a fifth radiation unit and a sixth radiation unit that are sequentially distributed on the back of the base board. Due to structure improvement of the microstrip antenna, particularly, the staggered design of the concave radiation units, the omnidirectional microstrip antenna has a simple and compact structure, processing steps of the antenna are simplified, errors occurring in each processing step are reduced, and according to the designed radiation units, a downtilt angle of the antenna is easier to adjust by changing a phase of an array radiation unit, so that an antenna coverage area can be controlled flexibly.
Description
Technical field
The present invention relates to antenna equipment technical field, particularly a kind of omnidirectional microstrip antenna.
Background technology
The advantages such as along with the fast development that communication system is integrated, it is desirable to the volume of antenna is more and more less, and performance is the highest, micro-strip omnidirectional antenna is little due to volume, and stable performance is lightweight, and low cost, and speed of production is fast, are employed extensively.Conventional omnidirectional antenna generally uses steel pipe to realize omnidirectional's linear array antenna as the mode of oscillator series connection group battle array or intersection group battle array.But owing to its manufacturing procedure is complicated, the error that the processing of each link produces, the negative effect brought or out-of-roundness is bad or bandwidth is not enough or angle of declination is unstable etc..
Summary of the invention
In order to overcome the deficiencies in the prior art, the present invention provides a kind of simple in construction, easily manufactured omnidirectional microstrip antenna, and its precision is high, and radiation efficiency is high, low cost, and in default working frequency range, index is stable, it is sufficient to solve the defect of prior art.
The technical solution adopted for the present invention to solve the technical problems is:
nullA kind of omnidirectional microstrip antenna，Including substrate，The radiating element of character cut in bas-relief shape is distributed on described substrate，Wherein said radiating element includes the first radiating element being sequentially distributed at substrate front side、Second radiating element、3rd radiating element、4th radiating element and be sequentially distributed the 5th radiating element at substrate back、6th radiating element，Wherein said first radiating element is positioned at the top side position of substrate front side and opening up，Described 5th radiating element is positioned at the top side position of substrate back and opening down，Described second radiating element is positioned at substrate front side by centre position and opening up，Described 6th radiating element is positioned at substrate back by centre position and opening down，Described 3rd radiating element is positioned at substrate front side position on the lower and opening up，Described 4th radiating element is positioned at the 3rd radiating element lower position and opening down，Described first radiating element、Second radiating element、By being positioned at the front microstrip line connection at substrate front side between 3rd radiating element，Described 4th radiating element、5th radiating element、By being positioned at the back side microstrip line connection at substrate back between 6th radiating element.
As a preference, it is connected by heavy copper point between microstrip line lower end, the described back side and the 4th radiating element.
As a preference, staggering in the position of described first radiating element and the 5th radiating element, staggers in the position of described second radiating element and the 6th radiating element.
As a preference, described substrate rear connects reflecting plate, and described substrate rear end connects to have and adds feed circuit layer, and the edge, side of described substrate connects feed circuit module layer.
As a preference, the gap 1.8～3.3cm between described 3rd radiating element, the 4th radiating element.
As a preference, between described radiating element length and each radiating element, the ratio of distance length is 0.65～0.85, the ratio 0.16～0.25 of distance length between described radiating element opening part length and radiating element length.
The invention has the beneficial effects as follows: the improvement by structure of this microstrip antenna, staggered designs especially by the radiating element of concave shape, simple and compact for structure, antenna manufacturing procedure is made to be simplified, the error precision simultaneously advantageously reducing the processing generation of each link is sufficiently high, radiation efficiency is high, in whole working frequency range 2300MHz～2700MHz, index is stable, and the angle of declination that antenna can be adjusted with radiating element more easily by the phase place changing array radiation unit of this design, thus control antenna footprint flexibly.
Accompanying drawing explanation
The present invention is further described with embodiment below in conjunction with the accompanying drawings.
Fig. 1 is the front schematic view of the present invention；
Fig. 2 is the schematic rear view of the present invention.
Detailed description of the invention
In order to make the purpose of the application, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.For the thorough explanation present invention, following description can relate to some specific detail.And when not having these specific detail, the present invention then may still can realize, i.e. technical staff in art uses these descriptions herein and statement others skilled in the art in art effectively to introduce their work essence.In addition it should be noted that; in describing below, the word " front side " of use, " rear side ", " left side ", " right side ", " upside ", " downside " etc. refer to the direction in accompanying drawing; word " interior " and " outward " refer respectively to the direction towards or away from particular elements geometric center, and person skilled should not be construed as the technology beyond the application protection domain in the adjustment that above-mentioned direction is made simply, be need not creativeness.Should be appreciated that specific embodiment described herein, only in order to explain the application, is not used to limit real protection scope.And for avoiding confusion the purpose of the present invention, owing to the technology of the manufacture method known, control program, part dimension, material composition, circuit layout etc. is not it will be understood that therefore they are described in detail.nullWith reference to Fig. 1、Fig. 2，A kind of omnidirectional microstrip antenna，Including substrate 1，The radiating element 2 of character cut in bas-relief shape is distributed on described substrate 1，Wherein said radiating element 2 includes the first radiating element 21 being sequentially distributed at substrate 1 front、Second radiating element 22、3rd radiating element 23、4th radiating element 24 and be sequentially distributed the 5th radiating element 25 at substrate 1 back side、6th radiating element 26，Wherein said first radiating element 21 is positioned at the top side position in substrate 1 front and opening up，Described 5th radiating element 25 is positioned at the top side position in substrate 1 back side and opening down，Described second radiating element 22 is positioned at substrate 1 front by centre position and opening up，Described 6th radiating element 26 is positioned at substrate 1 back side by centre position and opening down，Described 3rd radiating element 23 is positioned at position on the lower, substrate 1 front and opening up，Described 4th radiating element 24 is positioned at the 3rd radiating element 23 lower position and opening down，Described first radiating element 21、Second radiating element 22、Connect by being positioned at the front microstrip line 3 at substrate 1 front between 3rd radiating element 23，Described 4th radiating element 24、5th radiating element 25、Connect by being positioned at the back side microstrip line 4 at substrate 1 back side between 6th radiating element 26，Form a linear microstrip omnidirectional antenna.
When real work, need the inner wire of coaxial cable to be welded on the 3rd radiating element 23, the outer conductor of coaxial cable is welded on the 4th radiating element 24, to form the radiating doublet of a symmetrical cell.It is fed on the second radiating element the 22, the 6th radiating element 26 of middle form a binary radiating curtain by front microstrip line 3, back side microstrip line 4 again.Then as aforesaid way, high frequency electric being fed on the first radiating element the 21, the 5th radiating element 25 forms a ternary radiant array antenna thus forms the omnidirectional antenna of a linear array.This design the more convenient phase place by changing array radiation unit can adjust the angle of declination of antenna, thus controls antenna footprint flexibly.
Further embodiment, with reference to a kind of omnidirectional microstrip antenna of Fig. 1, Fig. 2, " embodiment " the most referred to herein refers to may be included in special characteristic, structure or the characteristic at least one implementation of the application.Different in this manual local " in the embodiments " occurred not refer both to same embodiment, are not single or the most mutually exclusive with other embodiments embodiment.nullEmbodiment includes substrate 1，The radiating element 2 of character cut in bas-relief shape is distributed on described substrate 1，Wherein said radiating element 2 includes the first radiating element 21 being sequentially distributed at substrate 1 front、Second radiating element 22、3rd radiating element 23、4th radiating element 24 and be sequentially distributed the 5th radiating element 25 at substrate 1 back side、6th radiating element 26，Wherein said first radiating element 21 is positioned at the top side position in substrate 1 front and opening up，Described 5th radiating element 25 is positioned at the top side position in substrate 1 back side and opening down，Described second radiating element 22 is positioned at substrate 1 front by centre position and opening up，Described 6th radiating element 26 is positioned at substrate 1 back side by centre position and opening down，Described 3rd radiating element 23 is positioned at position on the lower, substrate 1 front and opening up，Described 4th radiating element 24 is positioned at the 3rd radiating element 23 lower position and opening down，Described first radiating element 21、Second radiating element 22、Connect by being positioned at the front microstrip line 3 at substrate 1 front between 3rd radiating element 23，Described 4th radiating element 24、5th radiating element 25、Connect by being positioned at the back side microstrip line 4 at substrate 1 back side between 6th radiating element 26，It is connected by heavy copper point 41 between microstrip line 4 lower end, the described back side and the 4th radiating element 24，Back side microstrip line 4 is facilitated to be connected with the 4th radiating element 24 at substrate 1 front.Stagger in the position of described first radiating element 21 and the 5th radiating element 25, stagger in the position of described second radiating element 22 and the 6th radiating element 26, i.e. first radiating element 21 forms a similar symmetrical radiating element group with the 5th radiating element 25, and the second radiating element 22 forms a similar symmetrical radiating element group with the 6th radiating element 26.The symmetric design of radiating element is conducive to bandwidth maximization, it is ensured that the work efficiency optimization of antenna.Gap 1.8～3.3cm between described 3rd radiating element the 23, the 4th radiating element 24, between described radiating element 2 length and each radiating element 2, the ratio of distance length is 0.65～0.85, the ratio 0.16～0.25 of distance length between described radiating element 2 opening part length and radiating element 2 length, to ensure will not interfere between radiating element 2.
nullFurther embodiment，With reference to Fig. 1、A kind of omnidirectional microstrip antenna of Fig. 2，Including substrate 1，The radiating element 2 of character cut in bas-relief shape is distributed on described substrate 1，Wherein said radiating element 2 includes the first radiating element 21 being sequentially distributed at substrate 1 front、Second radiating element 22、3rd radiating element 23、4th radiating element 24 and be sequentially distributed the 5th radiating element 25 at substrate 1 back side、6th radiating element 26，Wherein said first radiating element 21 is positioned at the top side position in substrate 1 front and opening up，Described 5th radiating element 25 is positioned at the top side position in substrate 1 back side and opening down，Described second radiating element 22 is positioned at substrate 1 front by centre position and opening up，Described 6th radiating element 26 is positioned at substrate 1 back side by centre position and opening down，Described 3rd radiating element 23 is positioned at position on the lower, substrate 1 front and opening up，Described 4th radiating element 24 is positioned at the 3rd radiating element 23 lower position and opening down，Described first radiating element 21、Second radiating element 22、Connect by being positioned at the front microstrip line 3 at substrate 1 front between 3rd radiating element 23，Described 4th radiating element 24、5th radiating element 25、Connect by being positioned at the back side microstrip line 4 at substrate 1 back side between 6th radiating element 26.Front microstrip line 3 and back side microstrip line 4 are distributed on the axis of substrate 1, it is designed on substrate 1, form microstrip antenna, small volume, have employed the foldable dipole antenna array of the back-to-back correspondence of multiple series feed, the width making antenna is substantially reduced, thus makes the gain of antenna improve under conditions of keeping small size, and the omni-directional of antenna is well kept and obtains wider standing wave bandwidth.Practical operation people, substrate 1 is arranged on reflecting plate 5 according to 2 × 2 arrays, substrate 1 adjustable installation direction.
Antenna has the directivity of different radiation or receiving ability, i.e. line to space different directions.Weigh antenna directivity and typically require by directional diagram, in the horizontal plane, launch and receive the antenna without maximum direction and be referred to as omnidirectional antenna, have the antenna in one or more maximum direction to be referred to as
Beam antenna.Omnidirectional antenna is non-directional due to it, so being used in the zone center of point-to-multipoint delivery more.The quality of the electrical specifications of antenna mainly has two aspects: sensitivity and capacity of resisting disturbance, wherein this microstrip antenna is suitable for and is not limited solely to remote measurement, radar, navigation and biomedicine etc..According to above-mentioned principle, the present invention can also carry out suitable change and amendment to above-mentioned embodiment.Therefore, the invention is not limited in detailed description of the invention disclosed and described above, should also be as some modifications and changes of the present invention falling in the scope of the claims of the present invention.
When putting into practice, 50 Europe inner conductor can be welded on the 3rd radiating element 23 of the 3rd radiating element the 23, the 4th radiating element 24 groups, the outer conductor of coaxial cable is welded on the 4th radiating element 24 radiating doublet forming a symmetrical cell.It is fed respectively on the second radiating element the 22, the 6th radiating element 26 form a binary radiating curtain by front microstrip line 3, back side microstrip line 4 and heavy copper point 41 again, ibid high frequency electric being fed on the first radiating element the 21, the 5th radiating element 25 forms a ternary radiant array antenna thus forms the omnidirectional antenna of a linear array.Pass through it was verified that this antenna can adjust the angle of declination of antenna by the phase place changing array radiation unit, thus control antenna footprint flexibly, and can also all cross and increase the radiating element of antenna to strengthen the gain of antenna with upper type.
Claims (6)
- null1. an omnidirectional microstrip antenna，Including substrate (1)，It is characterized in that: the radiating element (2) of character cut in bas-relief shape on described substrate (1), is distributed，Wherein said radiating element (2) includes the first radiating element (21) being sequentially distributed at substrate (1) front、Second radiating element (22)、3rd radiating element (23)、4th radiating element (24) and be sequentially distributed the 5th radiating element (25) at substrate (1) back side、6th radiating element (26)，Wherein said first radiating element (21) is positioned at the top side position in substrate (1) front and opening up，Described 5th radiating element (25) is positioned at the top side position in substrate (1) back side and opening down，Described second radiating element (22) is positioned at substrate (1) front by centre position and opening up，Described 6th radiating element (26) is positioned at substrate (1) back side by centre position and opening down，Described 3rd radiating element (23) is positioned at position on the lower, substrate (1) front and opening up，Described 4th radiating element (24) is positioned at the 3rd radiating element (23) lower position and opening down，Described first radiating element (21)、Second radiating element (22)、By being positioned at front microstrip line (3) connection at substrate (1) front between 3rd radiating element (23)，Described 4th radiating element (24)、5th radiating element (25)、By being positioned at back side microstrip line (4) connection at substrate (1) back side between 6th radiating element (26).
- A kind of omnidirectional microstrip antenna the most according to claim 1, it is characterised in that: it is connected by heavy copper point (41) between microstrip line (4) lower end, the described back side and the 4th radiating element (24).
- A kind of omnidirectional microstrip antenna the most according to claim 1, it is characterised in that: staggering in the position of described first radiating element (21) and the 5th radiating element (25), staggers in the position of described second radiating element (22) and the 6th radiating element (26).
- A kind of omnidirectional microstrip antenna the most according to claim 1, it is characterized in that: described substrate (1) rear connects reflecting plate (5), described substrate (1) rear end connects to be had and adds feed circuit layer (6), and the edge, side of described substrate (1) connects feed circuit module layer (7).
- A kind of omnidirectional microstrip antenna the most according to claim 1, it is characterised in that: the gap 1.8～3.3cm between described 3rd radiating element (23), the 4th radiating element (24).
- A kind of omnidirectional microstrip antenna the most according to claim 1, it is characterized in that: between described radiating element (2) length and each radiating element (2), the ratio of distance length is 0.65～0.85, the ratio 0.16～0.25 of distance length between described radiating element (2) opening part length and radiating element (2) length.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610391825.XA CN105932415A (en) | 2016-06-06 | 2016-06-06 | Omnidirectional microstrip antenna |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610391825.XA CN105932415A (en) | 2016-06-06 | 2016-06-06 | Omnidirectional microstrip antenna |
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| CN105932415A true CN105932415A (en) | 2016-09-07 |
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| CN201610391825.XA Pending CN105932415A (en) | 2016-06-06 | 2016-06-06 | Omnidirectional microstrip antenna |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110291683A (en) * | 2018-04-26 | 2019-09-27 | 深圳市大疆创新科技有限公司 | A kind of signal handling equipment of antenna and unmanned plane |
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| CN205752551U (en) * | 2016-06-06 | 2016-11-30 | 佛山澳信科技有限公司 | A kind of omnidirectional microstrip antenna |
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2016
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| US20100053010A1 (en) * | 2004-08-18 | 2010-03-04 | Victor Shtrom | Antennas with Polarization Diversity |
| CN200993999Y (en) * | 2006-11-03 | 2007-12-19 | 寰波科技股份有限公司 | Dual-frequency omni directional antenna |
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| CN110291683A (en) * | 2018-04-26 | 2019-09-27 | 深圳市大疆创新科技有限公司 | A kind of signal handling equipment of antenna and unmanned plane |
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Application publication date: 20160907 |