CN107394360A - A kind of microband paste yagi aerial of collection space ISM energy of electromagnetic fields - Google Patents
A kind of microband paste yagi aerial of collection space ISM energy of electromagnetic fields Download PDFInfo
- Publication number
- CN107394360A CN107394360A CN201710058577.1A CN201710058577A CN107394360A CN 107394360 A CN107394360 A CN 107394360A CN 201710058577 A CN201710058577 A CN 201710058577A CN 107394360 A CN107394360 A CN 107394360A
- Authority
- CN
- China
- Prior art keywords
- paster
- active
- medium substrate
- ism
- reflection
- 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.)
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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
- H01Q1/36—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
-
- 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
- H01Q19/00—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic
- H01Q19/28—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using a secondary device in the form of two or more substantially straight conductive elements
- H01Q19/30—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using a secondary device in the form of two or more substantially straight conductive elements the primary active element being centre-fed and substantially straight, e.g. Yagi antenna
Abstract
The invention discloses a kind of microband paste yagi aerial of collection space ISM energy of electromagnetic fields, including medium substrate, antenna radiation unit and floor, the antenna radiation unit is located at the upper surface of medium substrate, floor is located at the lower surface of medium substrate, the antenna radiation unit includes reflection paster, active paster, parasitic patch and guide paster into, the active paster is located at the centre position of medium substrate, and on medium substrate Central Symmetry, the reflection paster includes first and second reflection paster, positioned at the left side of active paster, it is and symmetrical on medium substrate transversal centerline, the parasitic patch includes first and second parasitic patch, first and second described parasitic patch is located at active paster over and under, on medium substrate Central Symmetry, the right side guided paster into and be located at active paster.The present invention realizes that the high-gain in ISM public frequency bands receives, reflectance factor T<‑20dB.
Description
Technical field
The present invention relates to reception antenna field, and in particular to a kind of microband paste eight of collection space ISM energy of electromagnetic fields
Wooden antenna.
Background technology
As developing rapidly for mobile communication technology in recent years, and various communication requirements occur, it is covered with the air
The electromagnetic wave of each frequency range.By taking mobile communication as an example, base station just can be carried out to all mobile stations in cell at regular intervals
Broadcast, and the problems such as due to fund and technology, base station use omnidirectional antenna when being communicated with mobile station more, therefore actually
On a large amount of electromagnetic wave energies be present and be wasted.It is allowable without authorizing because ISM band can be used for industry, science and medical science, therefore
The present invention realizes the recycling of energy, and supply for some mini-plants using the energy of electromagnetic field for collecting ISM band as main target
Can, increase endurance.In order to design the antenna system with higher-energy collection efficiency, meet to want higher gain
Ask.
The content of the invention
In order to overcome shortcomings and deficiencies present in prior art, the present invention provides a kind of collection space ISM electromagnetism field energys
The microband paste yagi aerial of amount.
The present invention adopts the following technical scheme that：
A kind of microband paste yagi aerial of collection space ISM energy of electromagnetic fields, including medium substrate, antenna radiation unit
And floor, the antenna radiation unit are located at the upper surface of medium substrate, floor is located at the lower surface of medium substrate, the antenna
Radiating element includes reflection paster, active paster, parasitic patch and guides paster into, and the active paster is located in medium substrate
Between position, and on medium substrate Central Symmetry, the reflection paster includes first and second reflection paster, positioned at active paster
Left side, and symmetrical on medium substrate transversal centerline, the parasitic patch includes first and second parasitic patch, described first
And second parasitic patch be located at active paster over and under, on medium substrate Central Symmetry, the paster of guiding into is located at
The right side of active paster.
The paster of guiding into guides paster into including first, second, third and the 4th, and described first and second guides paster position into
In the right side of active paster, and it is symmetrical on the transversal centerline of medium substrate, and the described 3rd and the 4th guides paster into is located at respectively
First and second guides the right side of paster into, and symmetrical on the transversal centerline of medium substrate.
Active paster and guide into paster for square, parasitic patch and reflection paster be rectangle.
The active paster is provided with rectangular recess, and the groove is symmetrical on medium substrate transversal centerline.
First and second reflection paster long Lr=35mm, the wide Lw=20.805mm, two reflection paster spacing distances
D1=2.59mm, 0.94mm of the reflection paster apart from active paster.
The a length of Lp=35.8mm of first and second parasitic patch, the wide Wp=31.2mm, apart from the upper and lower of active paster
Back gauge is 0.94mm.
It is described first and second guide into paster size it is identical, the length of side be 35.2mm square, two are guided into paster
Spacing is 2.3mm, the described 3rd and the 4th guide into paster size it is identical, the length of side be 27.7mm square, two are guided into patch
The spacing of piece is 10.5mm.
Also include feeder line, the feeder line is connected with the rectangular recess of active paster.
The short side length of paster is reflected more than the half wavelength of ISM public frequency bands, and the 3rd and the 4th guides the side of paster into
The long half wavelength less than ISM public frequency bands, active patch length are equal to the half wavelength of ISM public frequency bands, and two
Active paster spacing is the quarter-wave of ISM public frequency bands.
Beneficial effects of the present invention：
The invention provides a kind of Antenna Design achievement with more highly directional gain, using the medium material of high-k
Material realizes the miniaturization of antenna, and antenna has higher directive gain relatively, meets energy conversion circuit to receiving day
The requirement of line.
Brief description of the drawings
Fig. 1 is a kind of structure chart of the microband paste yagi aerial of collection space ISM energy of electromagnetic fields of the present invention；
Fig. 2 is a kind of port reflectance factor of the microband paste yagi aerial of collection space ISM energy of electromagnetic fields of the present invention
Curve map；
Fig. 3 is a kind of microband paste yagi aerial of collection space ISM energy of electromagnetic fields of the present invention in 2.45GHz direction
Figure；
Fig. 4 is a kind of standing-wave ratio figure of the microband paste yagi aerial of collection space ISM energy of electromagnetic fields of the present invention.
Embodiment
With reference to embodiment and accompanying drawing, the present invention is described in further detail, but embodiments of the present invention are not
It is limited to this.
Embodiment
As shown in figure 1, a kind of microband paste yagi aerial of collection space ISM energy of electromagnetic fields, structure top view such as Fig. 1
Shown, medium substrate 100 is Rogers RT/duroid 5880 (tm), dielectric constant 2.2, thickness 1.6mm, a length of
210mm, a width of 128mm.The floor is located at the lower surface of medium substrate, the upper surface etching aerial radiation list of medium substrate
Member, the antenna radiation unit include reflection paster, active paster, parasitic patch and guide paster into.
The active paster is specially one, positioned at the centre position of medium substrate, and on medium substrate Central Symmetry,
The active paster is square, and rectangular recess connection feeder line 200 is opened on the left side, and the groove is on medium substrate transversal centerline
Symmetrically.
The reflection paster includes first and second reflection paster, positioned at the left side of active paster, and on medium substrate
Transversal centerline is symmetrical, and the parasitic patch includes first and second parasitic patch, and first and second described parasitic patch, which is located at, to be had
Source paster over and under, on medium substrate Central Symmetry, the right side guided paster into and be located at active paster.
The paster of guiding into guides paster into including first, second, third and the 4th, and described first and second guides paster position into
In the right side of active paster, and it is symmetrical on the transversal centerline of medium substrate, and the described 3rd and the 4th guides paster into is located at respectively
First and second guides the right side of paster into, and symmetrical on the transversal centerline of medium substrate.
The feeder line is rectangle with the coplanar reflection paster of paster, a length of Lr=of first and second reflection paster
35mm, wide Lw=20.805mm, two reflection paster spacing distance d1=2.59mm, reflection paster is apart from active paster
0.94mm。
First and second described parasitic patch is rectangular configuration, a length of Lp=35.8mm, wide Wp=31.2mm, apart from active
The upper and lower back gauge of paster is 0.94mm.
The active paster, first guide paster into, and second guides paster into, and the 3rd, which guides paster and the 4th into, guides paster into as just
It is square, and added two pieces of rectangular parasitic patch of heap on active paster both sides
It is described first and second guide into paster size it is identical, the length of side be 35.2mm square, two are guided into paster
Spacing is 2.3mm, the described 3rd and the 4th guide into paster size it is identical, the length of side be 27.7mm square, two are guided into patch
The spacing of piece is 10.5mm.
Design parameter is as follows：
Lb=210mm, Wb=128mm, Wf2=2.85mm, Lf2=24.4mm, Wf1=0.71mm, d1=2.59mm, Wr
=20.805mm, G1=0.94mm, a1=1.03mm, aw=4.74mm, Ld=39.1mm, Lp=35.8mm, Wp=31.2mm,
D2=0.94, Ld1=35.2mm, S1=2.3mm, G2=1.1mm, G3=1.1mm, G4=3.85mm, Ld2=27.7mm, S2
=10.5mm.
As shown in Fig. 2 central point 2.45GHz of the reflectance difference coefficient of antenna in ISM band is less than -20dB, antenna
The frequency range that can be covered is 2.424GHz-2.478GHz.
As shown in figure 3, antenna all has good outside radiation characteristic in XOZ planes, the antenna pattern of YOZ planes.
As shown in figure 4, the standing-wave ratio of antenna in working frequency range central point 2.45GHz close to 1, represent feeder line and antenna
Impedance matching it is good, now high-frequency energy by antenna largely receive.
Each unit relative position relation designs according to antenna design principles, by between the parameter and each unit of good design
Stiffness of coupling, antenna integrally realizes relatively low return loss (T<-20dB).Reflection paster is slightly longer than ISM public frequency bands
Half wavelength, guide patch length into and be slightly shorter than half wavelength, active patch length is equal to half wavelength, two patches
Piece spacing quarter-wave.Therefore, reflection paster shows inductive, 90 ° of current lagging voltage, is being radiated active paster
During 90 ° of hysteresis again, form 180 ° of phase offset, serve the effect of counteracting.Guide paster into and show capacitive character,
90 ° of electric current leading voltage simultaneously, guides the active paster radiation of electromagnetism wave direction of paster sensing into, after quarter-wave distance
90 ° of hysteresis, offseted with the effect for guiding paster initiation into, the two phase is identical, increases signal intensity.
The antenna has the characteristics of high gain, working frequency range is wide.The present invention is in guarantee half-power beam width and relatively
High is front and rear to than on the premise of, by selecting the patch shape of square, adds " fence " to improve its side on active paster both sides
Tropism, the methods of setting different paster spacing to optimize, optimize by many experiments, make antenna in the ISM band of work
On have a higher gain, and in active paster both sides additional stray paster, broader impedance bandwidth is realized, so can be applicable
In the aspect of energy acquisition.
The present invention is using the micro-strip yagi aerial Jing Guo good design, it is possible to achieve is connect in the high-gain of ISM public frequency bands
Receive, reflectance factor T<-20dB.Electromagnetic energy that can be preferably in environment of accepting using this antenna, reduces the waste of energy,
And the normal work of driving load, there is high realistic meaning.
Above-described embodiment is the preferable embodiment of the present invention, but embodiments of the present invention are not by the embodiment
Limitation, other any Spirit Essences without departing from the present invention with made under principle change, modification, replacement, combine, simplification,
Equivalent substitute mode is should be, is included within protection scope of the present invention.
Claims (9)
1. a kind of microband paste yagi aerial of collection space ISM energy of electromagnetic fields, it is characterised in that including medium substrate, day
Beta radiation unit and floor, the antenna radiation unit are located at the upper surface of medium substrate, and floor is located at the following table of medium substrate
Face, the antenna radiation unit include reflection paster, active paster, parasitic patch and guide paster into, and the active paster is located at
The centre position of medium substrate, and include first and second reflection paster on medium substrate Central Symmetry, the reflection paster,
Positioned at the left side of active paster, and it is symmetrical on medium substrate transversal centerline, and it is parasitic that the parasitic patch includes first and second
Paster, first and second described parasitic patch is located at active paster over and under, described on medium substrate Central Symmetry
Guide the right side that paster is located at active paster into.
2. microband paste yagi aerial according to claim 1, it is characterised in that the paster of guiding into includes first, the
2nd, the 3rd and the 4th paster is guided into, described first and second guides the right side that paster is located at active paster into, and on medium substrate
Transversal centerline it is symmetrical, the described 3rd and the 4th guides paster into guides right side of paster into positioned at first and second respectively, and on
The transversal centerline of medium substrate is symmetrical.
3. microband paste yagi aerial according to claim 2, it is characterised in that active paster and guide into paster for pros
Shape, parasitic patch and reflection paster are rectangle.
4. microband paste yagi aerial according to claim 1, it is characterised in that it is recessed that the active paster is provided with rectangle
Groove, the groove are symmetrical on medium substrate transversal centerline.
5. microband paste yagi aerial according to claim 1, it is characterised in that first and second described reflection paster length
Lr=35mm, wide Lw=20.805mm, two reflection paster spacing distance d1=2.59mm, reflection paster is apart from active paster
0.94mm。
6. microband paste yagi aerial according to claim 1, it is characterised in that first and second parasitic patch length
For Lp=35.8mm, wide Wp=31.2mm, the upper and lower back gauge apart from active paster is 0.94mm.
7. microband paste yagi aerial according to claim 2, it is characterised in that described first and second guides paster into
Size is identical, and the length of side is 35.2mm square, and two spacing for guiding paster into are 2.3mm, and the described 3rd and the 4th guides patch into
The size of piece is identical, and the length of side is 27.7mm square, and two spacing for guiding paster into are 10.5mm.
8. microband paste yagi aerial according to claim 1, it is characterised in that also including feeder line, the feeder line is with having
The rectangular recess connection of source paster.
9. microband paste yagi aerial according to claim 1, it is characterised in that the short side length for reflecting paster is more than ISM
The half wavelength of public frequency band, the 3rd and the 4th length of side for guiding paster into are less than the half wavelength of ISM public frequency bands,
Active patch length be equal to ISM public frequency bands half wavelength, two active paster spacing for ISM public frequency bands four/
One wavelength.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710058577.1A CN107394360A (en) | 2017-01-23 | 2017-01-23 | A kind of microband paste yagi aerial of collection space ISM energy of electromagnetic fields |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710058577.1A CN107394360A (en) | 2017-01-23 | 2017-01-23 | A kind of microband paste yagi aerial of collection space ISM energy of electromagnetic fields |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107394360A true CN107394360A (en) | 2017-11-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710058577.1A Pending CN107394360A (en) | 2017-01-23 | 2017-01-23 | A kind of microband paste yagi aerial of collection space ISM energy of electromagnetic fields |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111656608A (en) * | 2018-02-14 | 2020-09-11 | 日立金属株式会社 | Multi-band antenna, wireless communication module and wireless communication device |
| CN113839187A (en) * | 2021-09-17 | 2021-12-24 | 长沙理工大学 | High-gain double-frequency microstrip antenna with parasitic element loaded |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204271254U (en) * | 2014-12-26 | 2015-04-15 | 南京信息工程大学 | The accurate Yagi spark gap patch antenna array of L-band |
| CN204834891U (en) * | 2015-07-14 | 2015-12-02 | 华南理工大学 | Yagi aerial with notch cuttype reflector |
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2017
- 2017-01-23 CN CN201710058577.1A patent/CN107394360A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204271254U (en) * | 2014-12-26 | 2015-04-15 | 南京信息工程大学 | The accurate Yagi spark gap patch antenna array of L-band |
| CN204834891U (en) * | 2015-07-14 | 2015-12-02 | 华南理工大学 | Yagi aerial with notch cuttype reflector |
Non-Patent Citations (2)
| Title |
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| 倪国旗: "《一种改进型微带贴片八木天线的设计》", 《电讯技术》 * |
| 孔德振: "《一种L波段八木微带天线阵的设计》", 《2013年全国微波毫米波会议论文集》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111656608A (en) * | 2018-02-14 | 2020-09-11 | 日立金属株式会社 | Multi-band antenna, wireless communication module and wireless communication device |
| CN113839187A (en) * | 2021-09-17 | 2021-12-24 | 长沙理工大学 | High-gain double-frequency microstrip antenna with parasitic element loaded |
| CN113839187B (en) * | 2021-09-17 | 2023-08-22 | 长沙理工大学 | Parasitic unit loaded high-gain double-frequency microstrip antenna |
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Application publication date: 20171124 |
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