CN106374202A - High-frequency energy storage apparatus - Google Patents

High-frequency energy storage apparatus Download PDF

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Publication number
CN106374202A
CN106374202A CN201610813961.3A CN201610813961A CN106374202A CN 106374202 A CN106374202 A CN 106374202A CN 201610813961 A CN201610813961 A CN 201610813961A CN 106374202 A CN106374202 A CN 106374202A
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China
Prior art keywords
rotating graphs
line segment
graphs
rotating
point
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CN201610813961.3A
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Chinese (zh)
Inventor
施艳艳
王萌
景建伟
庞家斐
马鹏飞
李小方
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Henan Normal University
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Henan Normal University
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Priority to CN201610813961.3A priority Critical patent/CN106374202A/en
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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00Details of, or arrangements associated with, antennas
    • H01Q1/36Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
    • H01Q1/38Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith formed by a conductive layer on an insulating support
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00Details of, or arrangements associated with, antennas
    • H01Q1/48Earthing means; Earth screens; Counterpoises

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  • Waveguide Aerials (AREA)

Abstract

The invention discloses a high-frequency energy storage apparatus. The high-frequency energy storage apparatus comprises a dielectric substrate an a grounding plate which are consistent in dimension top to bottom and are mutually laminated, wherein a metal antenna patch is attached to the dielectric substrate; a cylindrical metal conductor and four cylindrical holes which perpendicularly run through the dielectric substrate are arranged in the middle part of the dielectric substrate; and a circular hole which is concentric with the bottom surface of the cylindrical metal conductor is formed in the grounding plate. The high-frequency energy storage apparatus has lower return loss, good impedance matching and standing-wave ratio, and relatively high gain, so radio frequency energy in an environment can be efficiently received.

Description

High-frequency energy storage device
Technical field
The invention belongs to electromagnetic energy reception antenna technical field is and in particular to one kind is used for receiving radio-frequency (RF) energy in environment High-frequency energy storage device.
Background technology
Compare three kinds of wireless transmission methods of current main flow, that is, way of electromagnetic induction, means of electromagnetic waves and magnetic coupling are 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, Find that electromagnetic wave wireless transmission method has the characteristics that to power for low power sensor.
Content of the invention
Present invention solves the technical problem that there is provided a kind of structure high-frequency energy storage device simple and reasonable in design, The less size that has for the more other antenna of this antenna, the loss of relatively low clawback, good impedance matching and higher Gain.
The present invention be solve above-mentioned technical problem adopt the following technical scheme that, high-frequency energy storage device it is characterised in that It is pasted with metal antenna including consistent size from top to bottom and on medium substrate bonded to each other and earth plate, wherein medium substrate Paster, the middle part of medium substrate is provided with the cylindrical metal conductor extending vertically through medium substrate and four cylindrical cavities, ground connection Plate is provided with the circular hole concentric with cylindrical metal conductor bottom surface;The radius of the circular coverage rate of described metal antenna paster is 0.11405 λ, wherein λ=121mm, λ is the wavelength of 2.48ghz radio frequency, and thickness is 0.02mm, and material is copper, described medium substrate Material be rogers ro6010, DIELECTRIC CONSTANT εr=10.2, thickness d=2.54mm, length and width is 30mm, metal The central point of antenna patch is consistent with the center position of medium substrate upper surface;The design shape of described metal antenna paster and Size meets following requirement, sets up plane right-angle coordinate, by (0mm, -2.5mm) as starting point, (13.75mm, -2.5mm) is Another end points makes the line segment one of an a length of 13.75mm along x-axis positive direction, with point (13.75mm, -2.5mm) for the point of rotation, Line segment one is rotated 125 ° in the counterclockwise direction, with curvilinear equationIntersection point be h (15.901mm, -5.572mm), makees minute surface with straight line y=-x for axis of symmetry and symmetrically obtains point l (5.572mm, -15.901mm), The direction being 55 ° along line segment one and x-axis angle again, extends to original 3 times in coordinate axess the 4th interval, is extended line segment Two, prolongation line segment two is made minute surface with straight line y=-x for axis of symmetry and is symmetrically extended line segment three, extend line segment two and extended line Section three intersection point beDifference junction point h (15.901mm ,- 5.572mm)、With l (5.572mm, -15.901mm),Obtain line segment hw and line segment lw, again initial point (0mm, 0mm) is made For starting point, antenna patch shape design is carried out according to below equation:
Y=0 (0≤x≤2.5) (1)
y = - x 2 + 5 x - 4.6875 - 1.25 ( - 1.25 ≤ y ≤ 0 ) ( 2.5 ≤ x ≤ 3.75 ) - - - ( 2 )
y = - x 2 + 10 x - 23.4375 - 1.25 ( - 2.5 ≤ y ≤ - 1.25 ) ( 3.75 ≤ x ≤ 6.25 ) - - - ( 3 )
y = - x 2 + 15 x - 54.6875 - 1.25 ( - 1.25 ≤ y ≤ 0 ) ( 6.25 ≤ x ≤ 7.5 ) - - - ( 4 )
y = - x 2 + 15 x - 50 - 2.5 ( - 2.5 ≤ y ≤ 0 ) ( 7.5 ≤ x ≤ 10 ) - - - ( 5 )
y = - x 2 + 27.5 x - 175 - 2.5 ( - 6.25 ≤ y ≤ - 5.572 ) ( 10 ≤ x ≤ 15.901 ) - - - ( 6 )
To be joined end to end successively by the whole curves obtained by formula, obtain initial graphics one, be 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 rotation Turning point, clockwise successively rotation 20 °, 40 °, 60 °, 80 °, 100 °, 120 °, 140 °, 160 °, 180 °, 200 °, 220 °, 240 °, 260 °, 280 °, 300 °, 320 ° and 340 °, respectively obtain rotating graphs one, rotating graphs two, rotating graphs three, rotating graphs 4th, rotating graphs five, rotating graphs six, rotating graphs seven, rotating graphs eight, rotating graphs nine, rotating graphs ten, rotating graphs 11, rotating graphs 12, rotating graphs 13, rotating graphs 14, rotating graphs 15, rotating graphs 16, rotation figure Shape 17 and rotating graphs 18, rotating graphs one, rotating graphs two, rotating graphs three, rotating graphs four, rotating graphs five, Rotating graphs six, rotating graphs seven, rotating graphs eight, rotating graphs nine, rotating graphs ten, rotating graphs 11, rotating graphs 12, rotating graphs 13, rotating graphs 14, rotating graphs 15, rotating graphs 16, rotating graphs 17 and rotation figure Shape ten octadentate simultaneously obtains closed figure, and the circular coverage rate reduced radius of closed figure are that original 0.24377 times obtains institute Need design shape and the size of metal antenna paster, obtain metal antenna paster according to design shape and size cutting;Given an account of On matter substrate, the radius of four cylindrical cavities is 0.5mm, and it is 22mm that the circle center line connecting of four cylindrical cavities constitutes the length of side Square, on this square, the following vertical dimension with the upper and lower side of medium substrate is respectively 2.9mm and 5.1mm, square Left and right side is respectively 3mm and 5mm with the vertical dimension of the medium substrate left and right sides;One end of described cylindrical metal conductor with Metal antenna paster connects, and the material of cylindrical metal conductor is copper, its bottom surface radius r=0.5mm, thickness d=2.54mm, circle Cylindricality metallic conductor is respectively with the vertical dimension of four sides in the junction center of circle and medium substrate of metal antenna paster 16.57mm, 16.57mm, 13.43mm and 13.43mm, the aperture r=of circular hole on the earth plate relative with cylindrical metal conductor 1.9mm, the output interface of the described cylindrical metal conductor other end is connected with energy management circuit, and this energy management circuit is used for The energy absorbing is stored.
The technique effect of the present invention is: high-frequency energy storage device has lower return loss, good impedance matching With standing wave and higher gain such that it is able to radio-frequency (RF) energy in efficient reception environment.
Brief description
Fig. 1 is the structural representation of metal antenna paster;
Fig. 2 is high-frequency energy storage device structural representation;
Fig. 3 is the return loss plot of the high-frequency energy storage device using the simulation of hfss antenna modeling simulation software;
Fig. 4 is the high-frequency energy storage device gain diagram using the simulation of hfss antenna modeling simulation software.
In figure: 1, medium substrate, 2, earth plate, 3, metal antenna paster, 4, cylindrical metal conductor, 5, cylindrical hole Hole, 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 the design of high-frequency energy storage device, needs to high-frequency energy in microstrip antenna designs The size of the metal antenna paster of storage device, the size of medium substrate, thickness carry out theoretic estimation, could be real in simulation The high-frequency energy storage device of suitable characteristic frequency is more quickly accurately found when testing.So below with rectangular microstrip sky As a example line, the theoretical calculation method of explanation each data parameters of microstrip antenna.
Patch size l × w, patch width w is:
w = c 2 f 0 ( ϵ r + 1 2 ) - 1 2 - - - ( 1 )
In (1) formula, c is the light velocity, f0For forbidden band mid frequency, εrFor relative dielectric constant.
The relative efficiency DIELECTRIC CONSTANT ε of microstrip antenna medium substratereFor:
ϵ r e = ϵ r + 1 2 + ϵ r - 1 2 ( 1 + 12 h w ) - 1 2 - - - ( 2 )
H represents thickness of dielectric layers, and in order to reduce the impact to antenna performance for the surface wave, the thickness of dielectric substrate should Meet theoretical calculation formula:
h ≤ 0.3 c 2 πf u ϵ r - - - ( 3 )
Wherein fuHighest frequency for the work of microstrip antenna.
The equivalent radiated power gap length △ l of microstrip antenna is:
δ l = 0.412 h ( ϵ r e + 0.3 ) ( w / h + 0.264 ) ( ϵ r e - 0.258 ) ( w / h + 0.8 ) - - - ( 4 )
Then length l of microstrip antenna paster is:
l = c 2 f 0 1 ϵ r e - 2 δ l - - - ( 5 )
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 determining the length and width of rectangular patch, typically The normal impedance of 50 ω is added in microstrip antenna.
As shown in Figure 1-2, high-frequency energy storage device, including consistent size from top to bottom and medium substrate bonded to each other 1 and earth plate 2, metal antenna paster 3 is wherein pasted with medium substrate 1, the middle part of medium substrate 1 is provided with and extends vertically through medium The cylindrical metal conductor 4 of substrate 1 and four cylindrical cavities 5, earth plate 2 is provided with same with cylindrical metal conductor 4 bottom surface The circular hole 6 of the heart;The radius of the circular coverage rate of described metal antenna paster 3 is 0.11405 λ, and wherein λ=121mm, λ are The wavelength of 2.48ghz radio frequency, thickness is 0.02mm, and material is copper, and the material of described medium substrate 1 is rogers ro6010, is situated between Electric constant εr=10.2, thickness d=2.54mm, length and width is 30mm, the central point of metal antenna paster 3 and medium base The center position of plate 1 upper surface is consistent;The design shape of described metal antenna paster 3 and size meet following requirement, set up Plane right-angle coordinate, by (0mm, -2.5mm) as starting point, (13.75mm, -2.5mm) does along x-axis positive direction for another end points Go out the line segment one of an a length of 13.75mm, with point (13.75mm, -2.5mm) for the point of rotation, line segment one is revolved in the counterclockwise direction Turn 125 °, with curvilinear equationIntersection point be h (15.901mm, -5.572mm), with straight line y =- x makees minute surface for axis of symmetry and symmetrically obtains point l (5.572mm, -15.901mm), then the side being 55 ° along line segment one and x-axis angle To extending to original 3 times in coordinate axess the 4th interval, be extended line segment two, will extend line segment two with straight line y=-x is Axis of symmetry is made minute surface and is symmetrically extended line segment three, extends line segment two and the intersection point of prolongation line segment three isDifference junction point h (15.901mm, -5.572mm),With l (5.572mm, -15.901mm),Obtain line segment hw and line segment lw, again initial point (0mm, 0mm) is made For starting point, antenna patch shape design is carried out according to below equation:
Y=0 (0≤x≤2.5) (1)
y = - x 2 + 5 x - 4.6875 - 1.25 ( - 1.25 ≤ y ≤ 0 ) ( 2.5 ≤ x ≤ 3.75 ) - - - ( 2 )
y = - x 2 + 10 x - 23.4375 - 1.25 ( - 2.5 ≤ y ≤ - 1.25 ) ( 3.75 ≤ x ≤ 6.25 ) - - - ( 3 )
y = - x 2 + 15 x - 54.6875 - 1.25 ( - 1.25 ≤ y ≤ 0 ) ( 6.25 ≤ x ≤ 7.5 ) - - - ( 4 )
y = - x 2 + 15 x - 50 - 2.5 ( - 2.5 ≤ y ≤ 0 ) ( 7.5 ≤ x ≤ 10 ) - - - ( 5 )
y = - x 2 + 27.5 x - 175 - 2.5 ( - 6.25 ≤ y ≤ - 5.572 ) ( 10 ≤ x ≤ 15.901 ) - - - ( 6 )
To be joined end to end successively by the whole curves obtained by formula, obtain initial graphics one, be 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 rotation Turning point, clockwise successively rotation 20 °, 40 °, 60 °, 80 °, 100 °, 120 °, 140 °, 160 °, 180 °, 200 °, 220 °, 240 °, 260 °, 280 °, 300 °, 320 ° and 340 °, respectively obtain rotating graphs one, rotating graphs two, rotating graphs three, rotating graphs 4th, rotating graphs five, rotating graphs six, rotating graphs seven, rotating graphs eight, rotating graphs nine, rotating graphs ten, rotating graphs 11, rotating graphs 12, rotating graphs 13, rotating graphs 14, rotating graphs 15, rotating graphs 16, rotation figure Shape 17 and rotating graphs 18, rotating graphs one, rotating graphs two, rotating graphs three, rotating graphs four, rotating graphs five, Rotating graphs six, rotating graphs seven, rotating graphs eight, rotating graphs nine, rotating graphs ten, rotating graphs 11, rotating graphs 12, rotating graphs 13, rotating graphs 14, rotating graphs 15, rotating graphs 16, rotating graphs 17 and rotation figure Shape ten octadentate simultaneously obtains closed figure, and the circular coverage rate reduced radius of closed figure are that original 0.24377 times obtains institute Need design shape and the size of metal antenna paster 3, obtain metal antenna paster 3 according to design shape and size cutting;Described On medium substrate 1,5 radiuses of four cylindrical cavities are 0.5mm, and the circle center line connecting of four cylindrical cavities 5 constitutes the length of side and is The square of 22mm, on this square, following and medium substrate side about 1 vertical dimension is respectively 2.9mm and 10.1mm, Square left and right side is respectively 2mm and 11mm with the vertical dimension of medium substrate 1 left and right sides;Described cylindrical metal conductor 4 one end is connected with metal antenna paster 3, and the material of cylindrical metal conductor 4 is copper, its bottom surface radius r=0.5mm, thickness d =2.54mm, cylindrical metal conductor 4 is vertical with 1 four sides in the junction center of circle and medium substrate of metal antenna paster 3 Distance respectively 16.57mm, 16.57mm, 13.43mm and 13.43mm, circle on the earth plate 2 relative with cylindrical metal conductor 4 The aperture r=1.9mm in hole 6, the output interface of described cylindrical metal conductor 4 other end is connected with energy management circuit, this energy Buret reason circuit is used for being stored the energy absorbing.
Fig. 3 is the return loss plot of the high-frequency energy storage device using the simulation of hfss antenna modeling simulation software, by scheming Understand, the return loss of this high-frequency energy storage device is -42db, also less than the return loss of other same volume antennas, Performance is very good.
Fig. 4 is the high-frequency energy storage device gain diagram using the simulation of hfss antenna modeling simulation software, as seen from the figure, should High-frequency energy storage device is 3.8db in the gain of 2.48ghz, and directivity is very stable.
Embodiment above describes ultimate principle, principal character and the advantage of the present invention, the technical staff of the industry should Understand, the present invention is not restricted to the described embodiments, the simply explanation present invention's described in above-described embodiment and description is former 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. high-frequency energy storage device is it is characterised in that include consistent size and medium substrate bonded to each other and connect from top to bottom Metal antenna paster is pasted with floor, wherein medium substrate, the middle part of medium substrate is provided with the circle extending vertically through medium substrate Cylindricality metallic conductor and four cylindrical cavities, earth plate is provided with the circular hole concentric with cylindrical metal conductor bottom surface;Described The radius of the circular coverage rate of metal antenna paster is 0.11405 λ, and wherein λ=121mm, λ are the wavelength of 2.48ghz radio frequency, thick Spend for 0.02mm, material is copper, the material of described medium substrate is rogers ro6010, DIELECTRIC CONSTANT εr=10.2, thickness d =2.54mm, length and width is 30mm, the center position of the central point of metal antenna paster and medium substrate upper surface Unanimously;The design shape of described 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 that another end points makes the line segment of 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 125 ° in the counterclockwise direction, with curvilinear equationIntersection point be h (15.901mm, -5.572mm), minute surface pair is made for axis of symmetry with straight line y=-x Claim to obtain point l (5.572mm, -15.901mm), then the direction being 55 ° along line segment one and x-axis angle, interval in coordinate axess the 4th Inside extend to original 3 times, be extended line segment two, to make minute surface with straight line y=-x for axis of symmetry symmetrical by extending line segment two To extending line segment three, extend line segment two and the intersection point of prolongation line segment three is Difference junction point h (15.901mm, -5.572mm),And l (5.572mm, -15.901mm),Obtain line segment hw and line segment lw, then Secondary initial point (0mm, 0mm) is carried out antenna patch shape design as starting point according to below equation:
Y=0 (0≤x≤2.5) (1)
y = - x 2 + 5 x - 4.6875 - 1.25 ( - 1.25 ≤ y ≤ 0 ) ( 2.5 ≤ x ≤ 3.75 ) - - - ( 2 )
y = - x 2 + 10 x - 23.4375 - 1.25 ( - 2.5 ≤ y ≤ - 1.25 ) ( 3.75 ≤ x ≤ 6.25 ) - - - ( 3 )
y = - x 2 + 15 x - 54.6875 - 1.25 ( - 1.25 ≤ y ≤ 0 ) ( 6.25 ≤ x ≤ 7.5 ) - - - ( 4 )
y = - x 2 + 15 x - 50 - 2.5 ( - 2.5 ≤ y ≤ 0 ) ( 7.5 ≤ x ≤ 10 ) - - - ( 5 )
y = - x 2 + 27.5 x - 175 - 2.5 ( - 6.25 ≤ y ≤ - 5.572 ) ( 10 ≤ x ≤ 15.901 ) - - - ( 6 )
To be joined end to end successively by the whole curves obtained by formula, obtain initial graphics one, with straight line y=-x as axis of symmetry, Initial graphics one are carried out minute surface symmetrically, obtains initial graphics 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 rotation Turning point, clockwise successively rotation 20 °, 40 °, 60 °, 80 °, 100 °, 120 °, 140 °, 160 °, 180 °, 200 °, 220 °, 240 °, 260 °, 280 °, 300 °, 320 ° and 340 °, respectively obtain rotating graphs one, rotating graphs two, rotating graphs three, rotating graphs 4th, rotating graphs five, rotating graphs six, rotating graphs seven, rotating graphs eight, rotating graphs nine, rotating graphs ten, rotating graphs 11, rotating graphs 12, rotating graphs 13, rotating graphs 14, rotating graphs 15, rotating graphs 16, rotation figure Shape 17 and rotating graphs 18, rotating graphs one, rotating graphs two, rotating graphs three, rotating graphs four, rotating graphs five, Rotating graphs six, rotating graphs seven, rotating graphs eight, rotating graphs nine, rotating graphs ten, rotating graphs 11, rotating graphs 12, rotating graphs 13, rotating graphs 14, rotating graphs 15, rotating graphs 16, rotating graphs 17 and rotation figure Shape ten octadentate simultaneously obtains closed figure, and the circular coverage rate reduced radius of closed figure are that original 0.24377 times obtains institute Need design shape and the size of metal antenna paster, obtain metal antenna paster according to design shape and size cutting;Given an account of On matter substrate, the radius of four cylindrical cavities is 0.5mm, and it is 22mm that the circle center line connecting of four cylindrical cavities constitutes the length of side Square, on this square, the following vertical dimension with the upper and lower side of medium substrate is respectively 2.9mm and 5.1mm, square Left and right side is respectively 3mm and 5mm with the vertical dimension of the medium substrate left and right sides;One end of described cylindrical metal conductor with Metal antenna paster connects, and the material of cylindrical metal conductor is copper, its bottom surface radius r=0.5mm, thickness d=2.54mm, circle Cylindricality metallic conductor is respectively with the vertical dimension of four sides in the junction center of circle and medium substrate of metal antenna paster 16.57mm, 16.57mm, 13.43mm and 13.43mm, the aperture r=of circular hole on the earth plate relative with cylindrical metal conductor 1.9mm, the output interface of the described cylindrical metal conductor other end is connected with energy management circuit, and this energy management circuit is used for The energy absorbing is stored.
CN201610813961.3A 2016-09-11 2016-09-11 High-frequency energy storage apparatus Withdrawn CN106374202A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610813961.3A CN106374202A (en) 2016-09-11 2016-09-11 High-frequency energy storage apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610813961.3A CN106374202A (en) 2016-09-11 2016-09-11 High-frequency energy storage apparatus

Publications (1)

Publication Number Publication Date
CN106374202A true CN106374202A (en) 2017-02-01

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Country Status (1)

Country Link
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