CN209232953U - Coupling feed-in type microstrip antenna - Google Patents
Coupling feed-in type microstrip antenna Download PDFInfo
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- CN209232953U CN209232953U CN201821510154.5U CN201821510154U CN209232953U CN 209232953 U CN209232953 U CN 209232953U CN 201821510154 U CN201821510154 U CN 201821510154U CN 209232953 U CN209232953 U CN 209232953U
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Abstract
The utility model discloses a kind of coupling feed-in type microstrip antennas, and mainly in first electrode layer and the second electrode lay is respectively set on two opposite surfaces of insulating body, an at least clearance zone is wherein arranged in the second electrode lay.The surface that an at least feed-in unit is set to insulating body, and be located in the clearance zone of the second electrode lay, wherein clearance zone is to be isolated the second electrode lay and feed-in unit, and feed-in unit can connect signal feed side.Settable at least two branch of feed-in unit, without the angle between the branch of connection signal feed side between 70 degree to 110 degree, the microstrip antenna with the characteristic of horizontal polarization or vertical polarization or circular polarisation can so be obtained, notably, more exported using the signal of two feed-in units, it is separately connected coupler, and then forms the circular polarized antenna of big bandwidth.
Description
Technical field
The utility model is that a kind of coupling feed-in type microstrip antenna does not need during making microstrip antenna exhausted
Through-hole is set on edge matrix, the fabrication steps of microstrip antenna and the complexity using material can be reduced, and advantageously reduce micro-strip
The cost of manufacture of antenna.And the variation that can be designed by feed-in unit, it creates while there is horizontal polarization and vertical polarization
Microstrip antenna or circular polarization microstrip antenna, in addition it is also possible to make tool, there are two the microstrip antennas of signal feed-in or output, then
Via the phase transfer and coupling of two signal feed-in lines, the circular polarization microstrip antenna of big bandwidth is createed.
Background technique
Compared to the antenna for traditionally utilizing metal material production, microstrip antenna (Microstrip Antenna) has flat
Face structure mass production and can be easy the advantages that being incorporated on circuit board, thus largely be applied in various wireless transmissions dress
It sets, such as global position system GPS (Global Positioning System) or radio frequency identification (RFID).
Figure 1A and Figure 1B is please referred to, for top and the solid of bottom for being at present extensively the existing microstrip antenna that industry uses
Schematic diagram.As shown in the figure, traditional microstrip antenna 10 includes an insulating body 11, a first electrode layer 13, a second electrode
Floor 15, a feed-in area 171 and a conducting element 173, wherein first electrode layer 13 is located at the upper surface of insulating body 11, and second
Electrode layer 15 is then located at the lower surface of insulating body 11.Conducting element 173 runs through insulating body 11, first electrode layer 13 and second
Electrode layer 15, and it is electrically connected first electrode layer 13, wherein conducting element 173 is not connect with the second electrode lay 15, and in the two
Between there are gaps.
The first electrode layer 13 that 11 upper surface of insulating body is arranged in can be used as the width beam of microstrip antenna 10, and be arranged
The second electrode lay 15 of 11 lower surface of insulating body is then ground plane.In the reception for carrying out RF signal through microstrip antenna 10
When, RF signal can be inputted by first electrode layer 13 via feed-in area 171 and conducting element 173, and carry out RF signal
When transmitting, signal then can be sent to first electrode layer 13 via conducting element 173 and feed-in area 171, and via first electrode layer
13 transmitting signals.
During making microstrip antenna 10, need in insulating body 11, first electrode layer 13 and the second electrode lay 15
On preset through-hole, and conducting element 173 is passed through to the through-hole of said elements, wherein conducting element 173 and first electrode layer
The region of 13 connections is feed-in area 171.However it is arranged on insulating body 11, first electrode layer 13 and the second electrode lay 15 logical
Hole will increase the fabrication steps of microstrip antenna 10, causes the increase in production working hour, also will increase being fabricated to for microstrip antenna 10
This.Moreover, being also required to setting through-hole when microstrip antenna 10 is installed on circuit board, on circuit board, circuit board also will increase
Complexity and manufacturing cost.Furthermore with the element of needle-shaped protrusion, adhesive surface processing procedure can not be usually suitable for, thus may
Man-made assembly is needed, and leads to the reduction of product yield, so, it also will increase the complexity and production cost of assembling process.
Utility model content
One purpose of the utility model is to provide a kind of microstrip antenna, mainly in across opposite two of insulating body
First electrode layer and the second electrode lay are respectively set on surface, and in an at least clearance zone is arranged in the second electrode lay, wherein only
Dead zone is the region that electrode layer is not provided on insulating body.The feed-in unit of at least one tool electric conductivity of setting in clearance zone,
The shortest distance between the edge of the second surface of middle feed-in unit and insulating body is greater than 1mm, and the week of this shortest distance
Border region is not provided with electrode layer.Feed-in unit can be used to connect signal feed side, and wherein feed-in unit is via electromagnetic coupling
(Electromagnetic Coupling) and first electrode layer form electrical connection, and permeable microstrip antenna is carried out nothing whereby
The reception and transmission of line electric signal.
One purpose of the utility model is to provide a kind of microstrip antenna, it is only necessary to headroom be arranged in an electrode layer
Area, and in feed-in unit is arranged in clearance zone, so that microstrip antenna can carry out the reception and transmission of radio signals.It can save
The step of through-hole is arranged on insulating body not only contributes to the fabrication steps for simplifying microstrip antenna, can also reduce microstrip antenna
Cost of manufacture.
One purpose of the utility model is to provide microstrip antenna that is a kind of while having horizontal polarization and vertical polarization,
It can pass through the design method that feed-in unit has multiple branches, allow the angle not connected between two branches of signal feed side
Between 70 degree to 110 degree, it is so electromagnetically coupled to first electrode layer respectively using two branches, and obtains level simultaneously
The dual polarised radiation characteristic of polarization and vertical polarization.When first electrode layer is square or rectangle, then the two of feed-in unit
Branch is respectively substantially parallel to adjacent two side of first electrode layer.When first electrode layer is polygon or round or ellipse
Or other geometries, then the branch of feed-in unit is respectively substantially parallel to two by first electrode layer geometry central point
The mutually perpendicular virtual line of item.
One purpose of the utility model is to provide a kind of circular polarized antenna, and can pass through feed-in unit has multiple branches
Design method, allow and do not connect angle between two branches of signal feed side between 70 degree to 110 degree, and utilize
Adjustment in the shape of branch, size or angle, then it is electromagnetically coupled to first electrode layer respectively via branch, and obtain circular polarisation
Radiation characteristic.
One purpose of the utility model is to provide a kind of microstrip antenna, mainly in across opposite two of insulating body
On surface, it is respectively set first electrode layer and the second electrode lay, and in an at least clearance zone is arranged in the second electrode lay.Clearance zone
To be not provided with the region of electrode layer on insulating body, and an at least feed-in unit is then set in clearance zone.It furthermore also can be into one
An at least insulating unit is arranged in step in first electrode layer region, and wherein insulating unit is not set electrode layer on insulating body
Region can reduce micro-strip under the premise of not changing the size, volume and material of microstrip antenna by the setting of insulating unit
The resonant frequency of antenna.
One purpose of the utility model is to provide a kind of circular polarized antenna of big bandwidth, mainly in across insulating body
First electrode layer and the second electrode lay are respectively set on two opposite surfaces, and net in setting at least two in the second electrode lay
Dead zone, two of them clearance zone two sides adjacent close to the second electrode lay respectively, and be respectively provided in two clearance zones
A few feed-in unit, is connected with coupler respectively by this two feed-in units, and then forms big bandwidth circular polarized antenna.
In one embodiment of the utility model microstrip antenna, when first electrode layer is square or rectangle, two feed-ins
Two branches that unit does not connect signal feed side are respectively substantially parallel to two adjacent sides of first electrode layer.When the first electricity
Pole layer is polygon, circle, ellipse or other geometries, then two branches of two feed-in units are respectively substantially parallel to lead to
Cross two mutually perpendicular virtual lines of first electrode layer geometry central point.
In one embodiment of the utility model microstrip antenna, wherein clearance zone is T font, Y-shaped, cross, rectangle, circle
Shape, ellipse, oblong, polygon or other geometries.
In one embodiment of the utility model microstrip antenna, wherein feed-in unit be T font, Y-shaped, cross, rectangle,
Circle, ellipse, oblong, ring-type, hollow geometry or other geometries.
In one embodiment of the utility model microstrip antenna, including an at least insulating unit, it is set in first electrode layer,
The insulating unit is the region of not set electrode layer on insulating body.
In one embodiment of the utility model microstrip antenna, wherein insulating unit is arc-shaped, ellipse arc, irregular arc
Shape, rectangular, strip, X-shaped or other geometries.
The utility model has the beneficial effects that the utility model greatly reduces the complexity in production working hour and assembling process,
And greatly reduce production cost.
Detailed description of the invention
Figure 1A is the top perspective schematic diagram of existing microstrip antenna.
Figure 1B is the elevated bottom perspective schematic diagram of existing microstrip antenna.
Fig. 2A is the top perspective schematic diagram of one embodiment of the utility model microstrip antenna.
Fig. 2 B is the elevated bottom perspective schematic diagram of one embodiment of the utility model microstrip antenna.
Fig. 2 C is the bottom view of one embodiment of the utility model microstrip antenna.
Fig. 3 is the bottom view of the another embodiment of the utility model microstrip antenna.
Fig. 4 is the top view of the another embodiment of the utility model microstrip antenna.
Fig. 5 is the top view of the another embodiment of the utility model microstrip antenna.
Fig. 6 is the top view of the another embodiment of the utility model microstrip antenna.
Fig. 7 is the bottom view of the another embodiment of the utility model microstrip antenna.
Fig. 8 is the bottom view of the another embodiment of the utility model microstrip antenna.
Fig. 9 is the bottom view of the another embodiment of the utility model microstrip antenna.
Figure 10 is the bottom view of the another embodiment of the utility model microstrip antenna.
Figure 11 is the top view of the another embodiment of the utility model microstrip antenna.
Figure 12 is the top view of the another embodiment of the utility model microstrip antenna.
Figure 13 is the top view of the another embodiment of the utility model microstrip antenna.
Figure 14 A is the top perspective schematic diagram of the another embodiment of the utility model microstrip antenna.
Figure 14 B is the elevated bottom perspective schematic diagram of the another embodiment of the utility model microstrip antenna.
Figure 14 C is the bottom view of the another embodiment of the utility model microstrip antenna.
Figure 15 is the top view of the another embodiment of the utility model microstrip antenna.
Figure 16 is the top view of the another embodiment of the utility model microstrip antenna.
Figure 17 is the bottom view of the another embodiment of the utility model microstrip antenna.
Primary clustering symbol description:
10 microstrip antennas
11 insulating bodies
13 first electrode layers
15 the second electrode lays
171 feed-in areas
173 conducting elements
20 microstrip antennas
21 insulating bodies
211 first surfaces
213 second surfaces
217 edges
219 shortest distances
23 first electrode layers
25 the second electrode lays
271 feed-in units
2711 branches
273 clearance zones
291 virtual lines
30 microstrip antennas
32 insulating units
40 microstrip antennas
41 insulating bodies
411 first surfaces
413 second surfaces
417 edges
419 shortest distances
43 first electrode layers
45 the second electrode lays
471 feed-in units
4711 branches
473 clearance zones
491 virtual lines
Specific embodiment
Please refer to Fig. 2A, Fig. 2 B and Fig. 2 C, respectively the top perspective signal of one embodiment of the utility model microstrip antenna
Figure, elevated bottom perspective schematic diagram and bottom view.As shown, microstrip antenna 20 described in the utility model has horizontal polarization or hangs down
The characteristic of straight polarization or circular polarisation mainly includes an insulating body 21, at least a first electrode layer 23, at least a second electrode lay
25, an at least feed-in unit 271 and at least a clearance zone 273, wherein feed-in unit 271 is the material for having electric conductivity.
Insulating body 21 can be dielectric material or magnetic material, and including a first surface 211 and a second surface 213,
Wherein first surface 211 and second surface 213 are across opposite two surfaces of insulating body 21, such as first surface 211 can
For upper surface, and second surface 213 is then lower surface.
In an embodiment of the utility model, first electrode layer 23 is arranged on the first surface 211 of insulating body 21, and
The second electrode lay 25 is then arranged on the second surface 213 of insulating body 21, so that first electrode layer 23 and the second electrode lay 25
It is separately positioned on opposite two surface of insulating body 21, and be isolated by insulating body 21.It is set in the second electrode lay 25
An at least clearance zone 273 is set, wherein clearance zone 273 is the region for not building the second electrode lay 25 on insulating body 21.Feed-in list
Member 271 is set to the second surface 213 of insulating body 21, and is located in the clearance zone 273 of the second electrode lay 25, wherein clearance zone
273 can be used to separate the second electrode lay 25 and feed-in unit 271.In one specific embodiment of the utility model, feed-in unit
271 and insulating body 21 second surface 213 edge 217 between the shortest distance 219 be greater than 1mm, and this shortest distance
219 neighboring area is not provided with the second electrode lay 25.
The feed-in unit 271 of microstrip antenna 20 can connect a signal feed side (not shown), so that microstrip antenna 20 can be into
The transmission and reception of row wireless signal.
Microstrip antenna 20 described in the utility model mainly via the principle of electromagnetic coupling, by feed-in unit 271 with across
The first electrode layer 23 of insulating body 21 establishes electrical connection, so that microstrip antenna 20 is used for the reception of radio signals
Or transmitting.For existing microstrip antenna 10, microstrip antenna 20 described in the utility model do not have to insulating body 11,
Through-hole is set on first electrode layer 13 and the second electrode lay 15, does not also have to passing through conducting element 173 into the 11, first electricity of insulating body
Through-hole on pole layer 13 and the second electrode lay 15 whereby by the fabrication steps that can simplify microstrip antenna 20 and reduces what material prepared
Complexity, and achieve the purpose that the cost of manufacture for reducing microstrip antenna 20.
In an embodiment of the utility model, as shown in figure 3, feed-in unit 271 can have multiple branches, without even
The angle a between two branches 2711 of signal feed side is met between 70 degree to 110 degree, so using two branches
2711 are electromagnetically coupled to first electrode layer 23 respectively, and obtain the dual polarised radiation characteristic of horizontal polarization and vertical polarization simultaneously.
In one preferred embodiment of the utility model, the angle between two branches 2711 of signal feed side is not connected about 90
Degree left and right, available preferable dual polarised radiation characteristic.The side of the second surface 213 of feed-in unit 271 and insulating body 21
The shortest distance 219 between edge 217 is greater than 1mm, and the neighboring area of this shortest distance 219 is not provided with electrode layer, such as
Edge 217 can be the second surface 213 of insulating body 21 and the boundary of side.In practical application, can adjust two branches
2711 shape, size or angle, to obtain two kinds of polarized characteristics of preferable circular polarization radiation characteristic or vertical and horizontal.
Fig. 2A and Fig. 4 is please referred to, in practical application, the first electrode layer 23 of microstrip antenna 20 can be square or rectangular
Shape is respectively substantially parallel to first electrode layer 23 without connecting two branches 2711 of feed-in unit 271 of signal feed side
Adjacent two side.
In practical application, the first electrode layer 23 of microstrip antenna 20 can be circle, polygon, ellipse or other geometry
Shape, the first electrode layer 23 as shown in Fig. 5 and Fig. 6 are respectively round and octagon.It at this time can be according to first electrode layer more than 23
What central point draws two mutually perpendicular virtual lines 291, and two of the feed-in unit 271 without connecting signal feed side
Branch 2711 is respectively substantially parallel to two virtual lines 291.
Clearance zone 273 in the second electrode lay 25 can be T-shaped, Y-shaped, cross, rectangle, circle, ellipse, polygon
Shape or other geometries, as shown in Fig. 2 C, Fig. 3, Fig. 7, Fig. 8 and Fig. 9.
The shape of feed-in unit 271 in clearance zone 273 can be approximate with clearance zone 273, can for T-shaped, Y-shaped,
Cross, rectangle, circle, ellipse, oblong or hollow geometry or other geometries, as Fig. 2 C, Fig. 3, Fig. 7,
Shown in Fig. 8, Fig. 9 and Figure 10.
In an embodiment of the utility model, the first electrode layer 23 being set on the first surface 211 of insulating body 21
An interior settable at least insulating unit 32, wherein insulating unit 32 is the area for not building first electrode layer 23 on insulating body 21
Domain.
Insulating unit 32 can be a plurality of slots being arranged in first electrode layer 23 in an embodiment of the utility model.
Since the electric current in first electrode layer 23 can not pass through the setting of insulating unit 32 by insulating unit 32, it will increase
The path length that signal electric current flows in first electrode layer 23, and achieve the purpose that the resonant frequency for reducing microstrip antenna 30.
In the utility model embodiment, it is only necessary to a plurality of insulating units 32 are set in first electrode layer 23,
Under the premise of not increasing the area of first electrode layer 23, the resonant frequency of microstrip antenna 30 is reduced.
Furthermore in the utility model embodiment, when the resonant frequency of microstrip antenna 30 to be reduced, also not needing replacement makes
Insulating body 21 is manufactured with the higher material of dielectric coefficient.In other words, microstrip antenna 30 described in the utility model is being made
During, manufacturer can largely make first electrode layer 23, the second electrode lay 25 and/or the insulation base of identical size and material
Body 21, and only need that insulating unit 32 is arranged in first electrode layer 23, such as slot is arranged in first electrode layer 23
The resonant frequency for changing microstrip antenna 30, is beneficial to that the cost of manufacture of microstrip antenna 30 is greatly reduced whereby.
Insulating unit 32 can for arc-shaped, ellipse arc, irregular arc, rectangular, strip, oblong, X-shaped or its
His geometry, as shown in Figure 11, Figure 12 and Figure 13.
Figure 14 A, Figure 14 B and Figure 14 C are please referred to, the top perspective of respectively one embodiment of the utility model microstrip antenna is shown
Intention, elevated bottom perspective schematic diagram and bottom view.As shown, microstrip antenna 40 described in the utility model mainly includes an insulation
Matrix 41, at least a first electrode layer 43, at least a second electrode lay 45, at least two feed-in units 471 and at least two are net
Dead zone 473.
Insulating body 41 can be dielectric material or magnetic material, and including a first surface 411 and a second surface 413,
Wherein first surface 411 and second surface 413 are across opposite two surfaces of insulating body 41, such as first surface 411 can
For upper surface, and second surface 413 is then lower surface.
In an embodiment of the utility model, first electrode layer 43 is arranged on the first surface 411 of insulating body 41, and
The second electrode lay 45 is then arranged on the second surface 413 of insulating body 41, so that first electrode layer 43 and the second electrode lay 45
Relatively.At least two clearance zones 473 are set on the second electrode lay 45, and wherein clearance zone 473 is not build the on insulating body 41
The region of two electrode layers 45.Two feed-in units 471 are set on the second surface 413 of insulating body 41, and are located at
In two clearance zones 473 of two electrode layers 45, wherein clearance zone 473 can be used to separate the second electrode lay 45 and feed-in unit 471,
And two feed-in units 471 are separately connected signal feed side.Two feed-in units 471 are via electromagnetic coupling, and across insulation base
The first electrode layer 43 of body 41 forms electrical connection.The edge 417 of the second surface 413 of feed-in unit 471 and insulating body 41
Between the shortest distance 419 be greater than 1mm, and the neighboring area of the shortest distance 419 does not have electrode layer.
In an embodiment of the utility model, two clearance zones 473 are separately positioned on adjacent two of the second electrode lay 45
Side, and at least one opening for being not provided with the second electrode lay 45 is respectively formed on two sides.
Figure 14 A is please referred to, the first electrode layer 43 of microstrip antenna 40 is square or rectangle in practical application.Two
Feed-in unit 471 can respectively include at least two branches 4711, and two branches 4711 of two feed-in units 471 all do not connect directly
Signal feed side is connect, and is respectively substantially parallel to two adjacent sides of first electrode layer 43, as shown in Figure 14B.
In practical application, the first electrode layer 43 of microstrip antenna 40 can be square, is rectangle, polygon, circle, ellipse
Round or other geometries, the first electrode layer 43 as shown in Figure 15 and Figure 16 are respectively decagon and ellipse.Two feedbacks
Enter the branch 4711 that unit 471 does not link signal feed side, is respectively substantially parallel to the geometric form by first electrode layer 43
The mutually perpendicular virtual line 491 of two of shape central point.
In practical application, two feed-in units 471 can link a coupler respectively, and then it is micro- to form big bandwidth circular polarisation
Band antenna.
Clearance zone 473 can be T-shaped, Y-shaped, cross, rectangle, circle, ellipse, polygon or other geometric forms
Shape, as shown in Figure 14 C and Figure 17.Feed-in unit 471 can be T-shaped, Y-shaped, cross, rectangle, circle, ellipse, hollow
Geometry or other geometries, as shown in Figure 14 C and Figure 17.
In the present invention the connection refer between one or more objects or component be directly connected to or
It is to be indirectly connected with, such as it can there are one or more intermediate links between one or more objects or component.
It is described in this description perhaps, must and variation etc. wordings be not the utility model limitation.Specification is made
Technical term is not mainly the limitation of the utility model to carry out the description of specific embodiment.Specification is used
Singular quantifier (such as one and this) also can be it is a plurality of, unless the content in specification expressly states otherwise.Such as illustrate
A device mentioned by book may include there are two or more than two devices combination, and the substance that specification is mentioned then may be used
It include the mixing of many kinds of substance.
As described above, the only preferred embodiment of the utility model is not used to limit the utility model implementation
Range, i.e., all equivalent changes according to carried out by shape described in present utility model application the scope of the patents, construction, feature and spirit with
Modification, should be included in the claim of the utility model.
Claims (16)
1. a kind of coupling feed-in type microstrip antenna, the characteristic with horizontal polarization or vertical polarization or circular polarisation, which is characterized in that
Include:
One insulating body, including a first surface and a second surface, wherein the first surface and the second surface are across this
Two opposite surfaces of insulating body；
An at least first electrode layer builds the first surface in the insulating body；
An at least the second electrode lay builds the second surface in the insulating body, wherein comprising at least in the second electrode lay
One clearance zone, the clearance zone are the region that the second electrode lay is not built on the insulating body；And
An at least feed-in unit is located at the second electrode lay for the electric conductor being set on the second surface of the insulating body
The clearance zone in, and to link a signal feed side, wherein the clearance zone is to separate the second electrode lay and the feed-in
Unit, and the feed-in unit forms electrical connection with the first electrode layer across the insulating body via electromagnetic coupling, wherein
A shortest distance between one edge of the second surface of the feed-in unit and the insulating body is greater than 1mm, and this is most short
The neighboring area of distance is not provided with the second electrode lay.
2. coupling feed-in type microstrip antenna according to claim 1, which is characterized in that the feed-in unit includes at least two
Branch, without the angle between the branch for connecting the signal feed side between 70 degree to 110 degree.
3. coupling feed-in type microstrip antenna according to claim 2, which is characterized in that the first electrode layer be square or
Rectangle, two branches of the feed-in unit without connecting the signal feed side are respectively substantially parallel to first electricity
Two adjacent side of pole layer.
4. coupling feed-in type microstrip antenna according to claim 2, which is characterized in that the first electrode layer be polygon or
Round or ellipse, without connect the signal feed side the feed-in unit two branches respectively and by this first electricity
The geometry central point and mutually perpendicular two virtual lines of pole layer are substantially parallel.
5. coupling feed-in type microstrip antenna according to claim 1, which is characterized in that the clearance zone be T-shaped, Y-shaped,
Cross, rectangle, round or ellipse.
6. coupling feed-in type microstrip antenna according to claim 1, which is characterized in that the feed-in unit is T-shaped, Y word
Shape, cross, rectangle, round or ellipse.
7. coupling feed-in type microstrip antenna according to claim 2, which is characterized in that the shape of the branch of the feed-in unit
Shape, size and angle, to adjust the polarization characteristic of the coupling feed-in type microstrip antenna.
8. coupling feed-in type microstrip antenna according to claim 1, which is characterized in that be arranged including an at least insulating unit
In in the first electrode layer, which is the region of the not set first electrode layer on the insulating body.
9. coupling feed-in type microstrip antenna according to claim 8, which is characterized in that the insulating unit is arc-shaped, side
Shape, strip or oblong.
10. a kind of coupling feed-in type microstrip antenna, the characteristic with horizontal polarization or vertical polarization or circular polarisation, feature exist
In, comprising:
One insulating body, including a first surface and a second surface, wherein the first surface and the second surface are across this
Two opposite surfaces of insulating body；
An at least first electrode layer builds the first surface in the insulating body；
An at least the second electrode lay builds the second surface in the insulating body, includes wherein at least in the second electrode lay
Two clearance zones, the clearance zone are the region that the second electrode lay is not provided on the insulating body；And
At least two feed-in units, for the electric conductor being set on the second surface of the insulating body, and be located at this
In two clearance zones of two electrode layers, to link a signal feed side respectively, wherein the clearance zone to separate this second
Electrode layer and the feed-in unit, and the feed-in unit is via electromagnetic coupling, with the first electrode layer shape across the insulating body
At electrical connection, wherein the shortest distance between the edge of the second surface of the feed-in unit and the insulating body is greater than
1mm, and the neighboring area of the shortest distance is not provided with the second electrode lay.
11. coupling feed-in type microstrip antenna according to claim 10, which is characterized in that two clearance zones are respectively set
Opening for at least one not set the second electrode lay is respectively formed on two adjacent sides of the second electrode lay, and on two sides
Mouthful.
12. coupling feed-in type microstrip antenna according to claim 10, which is characterized in that the first electrode layer is square
Or rectangle, and two feed-in units include at least two branches, which does not connect the signal feed side
Two branches be respectively substantially parallel to two adjacent sides of the first electrode layer.
13. coupling feed-in type microstrip antenna according to claim 10, which is characterized in that the first electrode layer is polygon
Shape, round or ellipse, and two feed-in units include at least two branches, which does not connect the signal
Two branches of feed side and the geometry central point by the first electrode layer and mutually perpendicular two virtual lines
It is substantially parallel respectively.
14. coupling feed-in type microstrip antenna according to claim 10, which is characterized in that two feed-in units connect respectively
One coupler of knot, to form a circular polarization microstrip antenna.
15. coupling feed-in type microstrip antenna according to claim 10, which is characterized in that the clearance zone is T-shaped, Y word
Shape, cross, rectangle, round or ellipse.
16. coupling feed-in type microstrip antenna according to claim 10, which is characterized in that the feed-in unit is T-shaped, Y
Font, cross, rectangle, round or ellipse.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201821510154.5U CN209232953U (en) | 2018-09-14 | 2018-09-14 | Coupling feed-in type microstrip antenna |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201821510154.5U CN209232953U (en) | 2018-09-14 | 2018-09-14 | Coupling feed-in type microstrip antenna |
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| CN209232953U true CN209232953U (en) | 2019-08-09 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11056800B2 (en) * | 2018-10-16 | 2021-07-06 | Google Llc | Antenna arrays integrated into an electromagnetic transparent metallic surface |
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2018
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11056800B2 (en) * | 2018-10-16 | 2021-07-06 | Google Llc | Antenna arrays integrated into an electromagnetic transparent metallic surface |
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