CN106486751A - Anistree energy-absorbing paster antenna - Google Patents
Anistree energy-absorbing paster antenna Download PDFInfo
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- CN106486751A CN106486751A CN201610814447.1A CN201610814447A CN106486751A CN 106486751 A CN106486751 A CN 106486751A CN 201610814447 A CN201610814447 A CN 201610814447A CN 106486751 A CN106486751 A CN 106486751A
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- paster
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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
- 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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Abstract
The invention discloses a kind of anise energy-absorbing paster antenna, including consistent size from top to bottom and dielectric passivation bonded to each other, medium substrate and earth plate, wherein fit with dielectric passivation side medium substrate on be pasted with metal antenna paster, the middle part of medium substrate is provided with the cylindrical metal conductor for extending vertically through medium substrate, and earth plate is provided with the circular hole concentric with cylindrical metal conductor bottom surface.The present invention has lower return loss, good impedance matching and standing-wave ratio and higher gain such that it is able to the RF energy in efficient reception environment.
Description
Technical field
The invention belongs to electromagnetic energy reception antenna technical field, and in particular to a kind of for receiving RF energy in environment
Anistree energy-absorbing paster antenna.
Background technology
Three kinds of wireless transmission methods, i.e. way of electromagnetic induction, means of electromagnetic waves and the magnetic coupling for comparing current main flow is humorous
Shake mode.Analyze the respective pluses and minuses of these three modes, such as transmission range, through-put power, efficiency of transmission and range of application,
It was found that electromagnetic wave wireless transmission method has powering for low power sensor.
Content of the invention
Present invention solves the technical problem that a kind of simple structure and anistree energy-absorbing paster antenna reasonable in design is there is provided,
The antenna is compared with the less size having for other antennas, the loss of relatively low clawback, good impedance matching and higher
Gain.
The present invention is to solve above-mentioned technical problem to adopt the following technical scheme that, anistree energy-absorbing paster antenna, it is characterised in that
Including consistent size from top to bottom and dielectric passivation bonded to each other, medium substrate and earth plate, wherein with dielectric passivation
Metal antenna paster is pasted with the medium substrate of laminating side, the middle part of medium substrate is provided with the circle for extending vertically through medium substrate
Cylindricality metallic conductor, earth plate are provided with the circular hole concentric with cylindrical metal conductor bottom surface；The material of the dielectric passivation
For Rogers RO6002, permittivity εr=2.94, thickness d=0.51mm, length and width are 30mm；The metal day
The radius of the circular coverage rate of line paster is 0.0967 λ, and wherein λ=122mm, λ are the wavelength of 2.45GHz radio frequency, and thickness is
0.02mm, material are copper, and the material of the medium substrate is Rogers RO6010, permittivity εr=10.2, thickness d=
2.54mm, length and width are 30mm, the center position one of the central point of metal antenna paster and medium substrate upper surface
Cause；The design shape of the metal antenna paster and size meet following requirement, set up plane right-angle coordinate, will (0mm ,-
2.5mm) as starting point, (13.75mm, -2.5mm) is the line segment that another end points makes an a length of 13.75mm along x-axis positive direction
One, with point (13.75mm, -2.5mm) for the point of rotation, line segment one is rotated 112.5 ° in the counterclockwise direction, with curvilinear equationIntersection point be H (15.185mm, -5.965mm), minute surface is made as symmetry axis with straight line y=-x
Point L (5.965mm, -15.185mm) is symmetrically obtained, then along the direction that line segment one and x-axis angle are 67.5 °, in the 4th area of reference axis
In extend to original 2 times and be extended line segment two, line segment two will be extended minute surface will be made as symmetry axis with straight line y=-x and symmetrically obtain
Extend line segment three, the intersection point for extending line segment two and extending line segment three is
Difference tie point H (15.185mm, -5.965mm),And L
(5.965mm, -15.185mm),Line segment HW and line segment LW is obtained,
Again by initial point (0mm, 0mm) as starting point, the line segment of an a length of 2.5mm is made along x-axis positive direction, with (2.5mm ,-
1.25mm) be first curve the center of circle, with (2.5mm, 0mm) be end point, with (3.75mm, -1.25mm) be another end points,
Radius r1=1.25mm, makes angle of circumference for 90 °, and direction is the circular arc protruded to x-axis and y-axis positive direction, with (5mm ,-
1.25mm) be second curve the center of circle, with (3.75mm, -1.25mm) for end point, with (6.25mm, -1.25mm) for another
End points, radius r2=1.25mm, makes angle of circumference for 180 °, and direction is the circular arc protruded to y-axis negative direction, then with
(7.5mm, -1.25mm) is the center of circle of the 3rd curve, with (6.25mm, -1.25mm) for end point, with (7.5mm, 0mm) is
Another end points, radius r3=1.25mm, makes angle of circumference for 90 °, and direction is the circle protruded to x-axis negative direction and y-axis positive direction
Arc, with the center of circle that (7.5mm, -2.5mm) is the 4th curve, with (7.5mm, 0mm) for end point, with (10mm, -2.5mm) be
Another end points, radius r4=2.5mm, makes angle of circumference for 90 °, and direction is the circular arc protruded to x-axis and y-axis positive direction, with
(13.75mm, -2.5mm) is the center of circle of the 5th curve, with (10mm, -2.5mm) be end point, with H (15.185mm, -
It is 5.965mm) another end points, radius r5=3.75mm, makes angle of circumference for 112.5 °, and direction is convex to x-axis and y-axis negative direction
The circular arc for going out obtains initial graphics one, with straight line y=-x as symmetry axis, initial graphics one is carried out minute surface symmetrically, obtains initial
Figure two, line segment HW, line segment LW, initial graphics one and initial graphics two merge and obtain rotating graphs one, by rotating graphs one with
PointFor the point of rotation, rotate successively clockwise 45 °, 90 °, 135 °,
180 °, 225 °, 270 ° and 315 °, respectively obtain rotating graphs two, rotating graphs three, rotating graphs four, rotating graphs five, rotation
Figure six, rotating graphs seven and rotating graphs eight, rotating graphs one, rotating graphs two, rotating graphs three, rotating graphs four, rotation
Turn figure five, rotating graphs six, rotating graphs seven and rotating graphs octadentate and closed figure is obtained, the circle of closed figure is covered
Capping the reduced radius design shape of metal antenna paster and size for needed for original 0.3844 times obtains, according to design shape
And size cutting obtains metal antenna paster；One end of the cylindrical metal conductor is connected with metal antenna paster, cylindrical
The material of metallic conductor is copper, its bottom surface radius r=0.5mm, thickness d=2.54mm, cylindrical metal conductor and metal antenna
The vertical range of the junction center of circle of paster and four sides of medium substrate be respectively 16.57mm, 16.57mm, 13.43mm and
13.43mm, the aperture R=1.9mm of circular hole on the earth plate relative with cylindrical metal conductor, the cylindrical metal conductor are another
The output interface of one end is connected with energy management circuit, and the energy management circuit is used for being stored the energy for absorbing.
The technique effect of the present invention is：Anistree energy-absorbing paster antenna has lower return loss, good impedance matching
With standing-wave ratio and higher gain such that it is able to the RF energy in efficient reception environment.
Description of the drawings
Fig. 1 is the structural representation of metal antenna paster；
Fig. 2 is anistree energy-absorbing patch-antenna structure schematic diagram；
Fig. 3 is the return loss plot of the anistree energy-absorbing paster antenna that is simulated using HFSS antenna modeling simulation software；
Fig. 4 is the anistree energy-absorbing paster antenna gain diagram that is simulated using HFSS antenna modeling simulation software.
In figure：1st, dielectric passivation, 2, medium substrate, 3, earth plate, 4, metal antenna paster, 5, cylindrical metal leads
Body, 6, circular hole.
Specific embodiment
Below in conjunction with the accompanying drawing in the present invention, the technical scheme in specific implementation process of the present invention is carried out clear, complete
Whole, specific description.
The core of this invention is anistree energy-absorbing patch antenna design, needs to anistree energy-absorbing in microstrip antenna designs
The size of the metal antenna paster of paster antenna, the size of medium substrate, thickness carry out theoretic estimation, could be real in simulation
The anistree energy-absorbing paster antenna of suitable CF is more quickly accurately found when testing.So below with rectangular microstrip day
As a example by line, the theoretical calculation method of each data parameters of microstrip antenna is explained.
Patch size L × W, patch width W is：
In (1) formula, c is the light velocity, f0For forbidden band centre frequency, εrFor relative dielectric constant.
The relative efficiency permittivity ε of microstrip antenna medium substratereFor：
H represents thickness of dielectric layers, and in order to reduce impact of the surface wave to antenna performance, the thickness of dielectric substrate should
Meet theoretical calculation formula：
Wherein fuHighest frequency for the work of microstrip antenna.
The equivalent radiated power gap length △ L of microstrip antenna is：
Then length L of microstrip antenna paster is：
Size L of earth plateg×WgMeet following theoretical formula
Lg≥L+6h (6)
Wg≥W+6h (7)
Rectangular microstrip antenna be that coaxial line is fed, after the length and width of rectangular patch is determined, typically
The normal impedance of 50 Ω is added in microstrip antenna.
As shown in Figure 1-2, anistree energy-absorbing paster antenna, including consistent size from top to bottom and dielectric overlay bonded to each other
Layer 1, medium substrate 2 and earth plate 3, are pasted with metal antenna patch with dielectric passivation 1 on the medium substrate 2 of side of wherein fitting
Piece 4, the middle part of medium substrate 2 are provided with the cylindrical metal conductor 5 for extending vertically through medium substrate 2, and earth plate 3 is provided with and cylinder
The concentric circular hole 6 in 5 bottom surface of shape metallic conductor；The material of the dielectric passivation 1 is Rogers RO6002, permittivity εr=
2.94, thickness d=0.51mm, length and width are 30mm；The radius of the circular coverage rate of the metal antenna paster 4 is
0.0967 λ, wherein λ=122mm, λ are the wavelength of 2.45GHz radio frequency, and thickness is 0.02mm, and material is copper, the medium substrate 2
Material be Rogers RO6010, permittivity εr=10.2, thickness d=2.54mm, length and width are 30mm, metal
The central point of antenna patch 4 is consistent with the center position of 2 upper surface of medium substrate；The design shape of the metal antenna paster 4
Shape and size meet following requirement, set up plane right-angle coordinate, by (0mm, -2.5mm) as starting point, (13.75mm, -
2.5mm) it is line segment one that another end points makes an a length of 13.75mm along x-axis positive direction, with point (13.75mm, -2.5mm) is
The point of rotation, line segment one is rotated 112.5 ° in the counterclockwise direction, with curvilinear equationIntersection point
For H (15.185mm, -5.965mm), with straight line y=-x as symmetry axis make minute surface symmetrically obtain point L (5.965mm, -
15.185mm), then along the direction that line segment one and x-axis angle are 67.5 °, original 2 times are extended in the 4th interval of reference axis
Line segment two is extended, line segment two will be extended and minute surface is made as symmetry axis with straight line y=-x be symmetrically extended line segment three, extended line
Section two and extend line segment three intersection point beDifference tie point H
(15.185mm, -5.965mm),With L (5.965mm ,-
15.185mm)、Line segment HW and line segment LW is obtained, again by initial point
(0mm, 0mm) makes the line segment of an a length of 2.5mm as starting point along x-axis positive direction, with (2.5mm, -1.25mm) for first
The center of circle of individual curve, with (2.5mm, 0mm) for end point, with (3.75mm, -1.25mm) for another end points, radius r1=
1.25mm, makes angle of circumference for 90 °, and direction is the circular arc protruded to x-axis and y-axis positive direction, with (5mm, -1.25mm) for second
The center of circle of individual curve, with (3.75mm, -1.25mm) for end point, with (6.25mm, -1.25mm) for another end points, radius r2=
1.25mm, makes angle of circumference for 180 °, and direction is the circular arc protruded to y-axis negative direction, then with (7.5mm, -1.25mm) for the
The center of circle of three curves, with (6.25mm, -1.25mm) for end point, with (7.5mm, 0mm) for another end points, radius r3=
1.25mm, makes angle of circumference for 90 °, and direction is the circular arc protruded to x-axis negative direction and y-axis positive direction, with (7.5mm ,-
2.5mm) be the 4th curve the center of circle, with (7.5mm, 0mm) be end point, with (10mm, -2.5mm) be another end points, radius
r4=2.5mm, makes angle of circumference for 90 °, and direction is the circular arc protruded to x-axis and y-axis positive direction, with (13.75mm, -2.5mm)
For the center of circle of the 5th curve, with (10mm, -2.5mm) for end point, with H (15.185mm, -5.965mm) for the other end
Point, radius r5=3.75mm, makes angle of circumference for 112.5 °, and direction is that the circular arc protruded to x-axis and y-axis negative direction is obtained just
Beginning figure one, with straight line y=-x as symmetry axis, initial graphics one is carried out minute surface symmetrically, obtains initial graphics two, line segment
The merging of HW, line segment LW, initial graphics one and initial graphics two obtains rotating graphs one, by rotating graphs one with pointFor the point of rotation, rotate successively clockwise 45 °, 90 °, 135 °,
180 °, 225 °, 270 ° and 315 °, respectively obtain rotating graphs two, rotating graphs three, rotating graphs four, rotating graphs five, rotation
Figure six, rotating graphs seven and rotating graphs eight, rotating graphs one, rotating graphs two, rotating graphs three, rotating graphs four, rotation
Turn figure five, rotating graphs six, rotating graphs seven and rotating graphs octadentate and closed figure is obtained, the circle of closed figure is covered
Capping the reduced radius design shape of metal antenna paster 4 and size for needed for original 0.3844 times obtains, according to design shape
Shape and size cutting obtain metal antenna paster 4；One end of the cylindrical metal conductor 5 is connected with metal antenna paster 4, circle
The material of cylindricality metallic conductor 5 is copper, its bottom surface radius r=0.5mm, thickness d=2.54mm, cylindrical metal conductor 5 and gold
The vertical range of the junction center of circle and 2 four sides of medium substrate of category antenna patch 4 be respectively 16.57mm, 16.57mm,
13.43mm and 13.43mm, the aperture R=1.9mm of circular hole 6, the cylinder on the earth plate 3 relative with cylindrical metal conductor 5
The output interface of 5 other end of shape metallic conductor is connected with energy management circuit, and the energy management circuit is used for the energy for absorbing
Amount is stored.
Fig. 3 is the return loss plot of the anistree energy-absorbing paster antenna that is simulated using HFSS antenna modeling simulation software, by scheming
Understand, the return loss of the anistree energy-absorbing paster antenna is -23dB, also less than the return loss of other same volume antennas,
Performance is very good.
Fig. 4 is the anistree energy-absorbing paster antenna 3D gain diagram that is simulated using HFSS antenna modeling simulation software, as seen from the figure,
The anistree energy-absorbing paster antenna is 3.63dB in the maximum gain of 2.45GHz, and directionality is very stable.
General principle, principal character and the advantage of the present invention is embodiment above describes, the technical staff of the industry should
Understand, the present invention is not restricted to the described embodiments, the original that the present invention is simply described described in above-described embodiment and specification
Reason, under the scope without departing from the principle of the invention, the present invention also has various changes and modifications, and these changes and improvements each fall within
In the scope of protection of the invention.
Claims (1)
1. anistree energy-absorbing paster antenna, it is characterised in that including consistent size from top to bottom and dielectric passivation bonded to each other,
Medium substrate and earth plate, are pasted with metal antenna paster, medium on the medium substrate of side of wherein fitting with dielectric passivation
The middle part of substrate is provided with the cylindrical metal conductor for extending vertically through medium substrate, and earth plate is provided with and cylindrical metal conductor bottom
The concentric circular hole in face；The material of the dielectric passivation is Rogers RO6002, permittivity εr=2.94, thickness d=
0.51mm, length and width are 30mm；The radius of the circular coverage rate of the metal antenna paster be 0.0967 λ, wherein λ=
122mm, λ are the wavelength of 2.45GHz radio frequency, and thickness is 0.02mm, and material is copper, and the material of the medium substrate is Rogers
RO6010, permittivity εr=10.2, thickness d=2.54mm, length and width are 30mm, the central point of metal antenna paster
Consistent with the center position of medium substrate upper surface；The design shape of the metal antenna paster and size meet as follows will
Ask, plane right-angle coordinate is set up, by (0mm, -2.5mm) as starting point, (13.75mm, -2.5mm) is another end points along x-axis
Positive direction makes the line segment one of an a length of 13.75mm, with point (13.75mm, -2.5mm) for the point of rotation, by line segment one along the inverse time
Pin direction rotates 112.5 °, with curvilinear equationIntersection point be H (15.185mm ,-
5.964mm), minute surface is made as symmetry axis with straight line y=-x and point L (5.965mm, -15.185mm) is symmetrically obtained, then along line segment one
With the direction that x-axis angle is 67.5 °, original 2 times are extended in the 4th interval of reference axis and be extended line segment two, will prolong
Long line segment two is made minute surface with straight line y=-x as symmetry axis and is symmetrically extended line segment three, extends line segment two and extends line segment
Three intersection point isDifference tie point H (15.185mm ,-
5.965mm)、With L (5.965mm, -15.185mm),Line segment HW and line segment LW is obtained, again by initial point (0mm, 0mm)
As starting point, the line segment of an a length of 2.5mm is made along x-axis positive direction, with the circle that (2.5mm, -1.25mm) is first curve
The heart, with (2.5mm, 0mm) for end point, with (3.75mm, -1.25mm) for another end points, radius r1=1.25mm, makes circumference
Angle is 90 °, and direction is the circular arc protruded to x-axis and y-axis positive direction, with the center of circle that (5mm, -1.25mm) is second curve, with
(3.75mm, -1.25mm) is end point, with (6.25mm, -1.25mm) for another end points, radius r2=1.25mm, makes circumference
Angle is 180 °, and direction is the circular arc protruded to y-axis negative direction, then with the center of circle that (7.5mm, -1.25mm) is the 3rd curve,
With (6.25mm, -1.25mm) for end point, with (7.5mm, 0mm) for another end points, radius r3=1.25mm, makes angle of circumference
For 90 °, direction is the circular arc protruded to x-axis negative direction and y-axis positive direction, with the circle that (7.5mm, -2.5mm) is the 4th curve
The heart, with (7.5mm, 0mm) for end point, with (10mm, -2.5mm) for another end points, radius r4=2.5mm, making angle of circumference is
90 °, direction is the circular arc protruded to x-axis and y-axis positive direction, with the center of circle that (13.75mm, -2.5mm) is the 5th curve, with
(10mm, -2.5mm) is end point, with H (15.185mm, -5.965mm) for another end points, radius r5=3.75mm, makes circle
Round angle is 112.5 °, and direction is that the circular arc protruded to x-axis and y-axis negative direction obtains initial graphics one, is symmetrical with straight line y=-x
Axle, initial graphics one is carried out minute surface symmetrically, obtains initial graphics two, line segment HW, line segment LW, initial graphics one and initial graphics
Two merging obtain rotating graphs one, by rotating graphs one with pointFor
The point of rotation, rotates 45 °, 90 °, 135 °, 180 °, 225 °, 270 ° and 315 ° clockwise successively, respectively obtains rotating graphs two, rotation
Turn figure three, rotating graphs four, rotating graphs five, rotating graphs six, rotating graphs seven and rotating graphs eight, rotating graphs one,
Rotating graphs two, rotating graphs three, rotating graphs four, rotating graphs five, rotating graphs six, rotating graphs seven and rotating graphs eight
Merge obtain closed figure, by the circular coverage rate reduced radius of closed figure for needed for original 0.3844 times obtains metal day
The design shape of line paster and size, obtain metal antenna paster according to design shape and size cutting；The cylindrical metal
One end of conductor is connected with metal antenna paster, and the material of cylindrical metal conductor is copper, its bottom surface radius r=0.5mm, thickness
D=2.54mm, four sides of cylindrical metal conductor and the junction center of circle of metal antenna paster and medium substrate vertical away from
From circular hole on respectively 16.57mm, 16.57mm, 13.43mm and 13.43mm, the earth plate relative with cylindrical metal conductor
Aperture R=1.9mm, the output interface of the cylindrical metal conductor other end are connected with energy management circuit, the energy management
Circuit is used for being stored the energy for absorbing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610814447.1A CN106486751A (en) | 2016-09-11 | 2016-09-11 | Anistree energy-absorbing paster antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610814447.1A CN106486751A (en) | 2016-09-11 | 2016-09-11 | Anistree energy-absorbing paster antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106486751A true CN106486751A (en) | 2017-03-08 |
Family
ID=58273488
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610814447.1A Withdrawn CN106486751A (en) | 2016-09-11 | 2016-09-11 | Anistree energy-absorbing paster antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106486751A (en) |
-
2016
- 2016-09-11 CN CN201610814447.1A patent/CN106486751A/en not_active Withdrawn
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Application publication date: 20170308 |
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