CN208478562U - A kind of gate-shaped microstrip antenna and communication device - Google Patents

A kind of gate-shaped microstrip antenna and communication device Download PDF

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Publication number
CN208478562U
CN208478562U CN201821120571.9U CN201821120571U CN208478562U CN 208478562 U CN208478562 U CN 208478562U CN 201821120571 U CN201821120571 U CN 201821120571U CN 208478562 U CN208478562 U CN 208478562U
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China
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patch
rectangular strip
concentric loop
strip patch
medium substrate
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CN201821120571.9U
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Chinese (zh)
Inventor
钟静
潘勇
邱宇豪
熊江
蔡卿鹏
张震坤
汪仁杰
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Chongqing Three Gorges University
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Chongqing Three Gorges University
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Abstract

The utility model discloses a kind of gate-shaped microstrip antenna and communication devices.The gate-shaped microstrip antenna includes: medium substrate, radiation patch and earth plate;Medium substrate includes that first surface and the second surface opposite with first surface, radiation patch are arranged on the first surface of medium substrate, and earth plate is arranged on the second surface of medium substrate;Radiation patch includes the first rectangular strip patch, second rectangular strip patch, third rectangular strip patch, 4th rectangular strip patch, 5th rectangular strip patch, 6th rectangular strip patch, 7th rectangular strip patch, 8th rectangular strip patch, 9th rectangular strip patch, tenth rectangular strip patch, 11st rectangular strip patch, 12nd rectangular strip patch, first concentric loop patch, second concentric loop patch, third concentric loop patch, 4th concentric loop patch, 5th concentric loop patch, 6th concentric loop patch and the 7th concentric loop patch.The utility model reduces return loss, and the band bandwidth of transmitting is higher.

Description

A kind of gate-shaped microstrip antenna and communication device
Technical field
The utility model relates to antenna equipment technical fields, and in particular to a kind of gate-shaped microstrip antenna and communication device.
Background technique
At present in wireless communication technology field, there are two ways to realizing multifrequency: one is using ultra-wideband antenna by institute There is frequency range all to cover, but this method is suitable only for multiple frequency ranges at a distance of closer situation, there is significant limitation;Separately A kind of method is that the mutiple antennas in system is allowed independently to cover these frequency ranges, and the method is relatively common, but is existed very much Technological difficulties, such as the problem that interferes with each other between antenna element, and occupied space is larger.So it is desirable in single antenna Upper realization double frequency or multifrequency, to avoid the problem that interfering with each other between antenna.
Currently, realizing multifrequency on single antenna, small in size, light weight, purpose easy of integration are actually reached.But it is single more Frequency antenna frequencies, radiation direction and polarization direction are fixed, while still remaining the problem of interfering with each other between similar frequency range, and And common microstrip antenna stock size is larger, frequency is single, frequency band is relatively narrow, loss is higher.Microstrip antenna is reducing back thus Wave loss, the increase beamwidth of antenna and reduction size etc. have much room for improvement.
Utility model content
In order to solve the above-mentioned technical problem the utility model, provides a kind of gate-shaped microstrip antenna and communication device.
In order to reach above-mentioned technical effect, the utility model includes following technical scheme:
In a first aspect, a kind of gate-shaped microstrip antenna provided by the embodiment of the utility model, including medium substrate, radiation patch And earth plate;
The medium substrate includes first surface and the second surface opposite with the first surface, the radiation patch It is arranged on the first surface of the medium substrate, the earth plate is arranged on the second surface of the medium substrate;
The radiation patch includes the first rectangular strip patch, the second rectangular strip patch, third rectangular strip patch, the 4th rectangle Article patch, the 5th rectangular strip patch, the 6th rectangular strip patch, the 7th rectangular strip patch, the 8th rectangular strip patch, the 9th rectangular strip Patch, the tenth rectangular strip patch, the 11st rectangular strip patch, the 12nd rectangular strip patch, the first concentric loop patch, second are together Heart annulus patch, third concentric loop patch, the 4th concentric loop patch, the 5th concentric loop patch, the 6th concentric loop patch Piece and the 7th concentric loop patch;The first rectangular strip patch lower end is located at the following of the first surface of the medium substrate Edge, the lower end of the second rectangular strip patch are connect with the upper end of the first rectangular strip patch, the second rectangular strip patch Upper end connect the middle part of the third rectangular strip patch, it is same that the both ends of the third rectangular strip patch are separately connected described first Heart annulus patch and the second concentric loop patch, the lower end of the 4th rectangular strip patch and the third rectangular strip patch Middle part connection, the upper end of the 4th rectangular strip patch connect with the lower end of the third concentric loop patch, the described 5th Rectangular strip patch and the 6th rectangular strip patch are respectively positioned in the third concentric loop patch, the 5th rectangular strip patch Lower end connect with the lower end of the third concentric loop patch, the middle part of the 5th rectangular strip patch and the 6th rectangle It intersects vertically in the middle part of patch;The lower end of the 7th rectangular strip patch is connect with the first concentric loop patch, described The upper end of 7th rectangular strip patch is connect with the 4th concentric loop patch, the lower end of the 8th rectangular strip patch with it is described The connection of second concentric loop patch, the upper end of the 8th rectangular strip patch is connect with the 5th concentric loop patch;It is described The lower end of 9th rectangular strip patch is connect with the 4th concentric loop patch, the upper end of the 9th rectangular strip patch with it is described One end connection of tenth rectangular strip patch, the tenth rectangular strip patch and the 11st rectangular strip patch are located at described 6th concentric loop patch both ends, the 6th concentric loop patch respectively with the tenth rectangular strip patch, the described 11st The connection of rectangular strip patch, the other end of the 11st rectangular strip patch are connect with the upper end of the 12nd rectangular strip patch, The lower end of the 12nd rectangular strip patch is connect with the 5th concentric loop patch;7th concentric loop patch upper end Equipped with opening, the opening of the 7th concentric loop patch is connected to the lower end of the 6th concentric loop patch.
Optionally, the first rectangular strip patch, the second rectangular strip patch, the third rectangular strip patch, described 4th rectangular strip patch, the 5th rectangular strip patch, the 6th rectangular strip patch, the third concentric loop patch, institute It is symmetrical to state the center line of the 6th concentric loop patch and the 7th concentric loop patch along the medium substrate first surface Setting.
Optionally, between the first concentric loop patch and the second concentric loop patch, the 4th concentric circles Between ring patch and the 5th concentric loop patch, between the 7th rectangular strip patch and the 8th rectangular strip patch, Between the 9th rectangular strip patch and the 12nd rectangular strip patch and the tenth rectangular strip patch and the described tenth Along the center line symmetrical setting of the medium substrate first surface between one rectangular strip patch.
Optionally, the earth plate includes the 13rd rectangular strip patch, arc-shaped patch and round hole, the 13rd square The lower end of shape patch is located at the lower edge of the second surface of the medium substrate, and the two sides of the 13rd rectangular strip patch are equal Positioned at the both sides of the edge of the medium substrate second surface, the arc-shaped patch is connected to the 13rd rectangular strip patch The middle part of upper end, the round hole is arranged on the arc-shaped patch, and the lower end of the round hole extends to the described tenth On three rectangular strip patches, the upper end of the arc-shaped patch is equipped with straight flange, and the straight flange is pasted with the 13rd rectangular strip in parallel Piece.
Optionally, the 13rd rectangular strip patch, the arc-shaped patch and the round hole are along the medium base The center line symmetrical setting of plate second surface.
Optionally, the shape of the medium substrate is rectangle.
Optionally, the length of the medium substrate is 38L, width 23L, thickness 1.6L, wherein L is with length list The number and L > 0 of position;The width of the first rectangular strip patch is 4L, length 11L;The width of the second rectangular strip patch For 2L, length 2.6L;The length of the third rectangular strip patch is 2.4L, the center of circle to the institute of the first concentric loop patch The distance for stating the center of circle of the second concentric loop patch is 16L, and the outer ring radius of the first concentric loop patch is 2L, inner ring half Diameter is 1.7L;The length of the 4th rectangular strip patch is 1.6L, width 3L;The center of circle of the third concentric loop patch is extremely The minimum range of the third rectangular strip patch is 5L, and the inner ring radius of the third concentric loop patch is 3.4L, outer ring half Diameter is 3.7L;The length of the 5th rectangular strip patch is 6.4L, width 1L;The length of the 6th rectangular strip patch is 1.1L, width 5L;The width of the 7th rectangular strip patch is 1L, and the width of the 9th rectangular strip patch is 1L;It is described The inner ring radius of 4th concentric loop patch is 1.5L, and outer ring radius is 2.3L, and the center of circle of the 4th concentric loop patch is extremely The minimum perpendicular distance of the third rectangular strip patch is 11L, the center of circle of the 4th concentric loop patch to the tenth square The minimum perpendicular distance of shape patch is 5L;The length of the tenth rectangular strip patch is 2L;The 9th rectangular strip patch is extremely The minimum range of the 12nd rectangular strip patch is 15L;The inner ring radius of the 6th concentric loop patch is 2.8L, outer ring Radius is 3.5L, and the distance in the center of circle of the center of circle of the 6th concentric loop patch to the 7th concentric loop patch is 3.6L;The inner ring radius of the 7th concentric loop patch is 1.8L, and outer ring radius is 2.3L;The 13rd rectangular strip patch Width be 23L, length 6.3L;The radius of the round hole is 2L, under the center of circle to the medium substrate of the round hole The distance at edge is 8L;The radius of the arc-shaped patch is 9L, under the center of circle to the medium substrate of the arc-shaped patch The distance at edge is 3.5L, and the width of the straight flange of the arc-shaped patch is 7.8L.
Optionally, L value is 1mm.
Optionally, the medium substrate is FR4 epoxy plate, relative dielectric constant ε r=4.4, dielectric loss 0.02, spy Property impedance be 50 Ω.
Second aspect, a kind of communication device provided by the embodiment of the utility model, including above-mentioned gate-shaped microstrip antenna.
By adopting the above technical scheme, including it is following the utility model has the advantages that
It is gate-shaped microstrip antenna light weight provided by the embodiment of the utility model, small in size, return loss can be effectively reduced, send out Higher band bandwidth is penetrated, while there is multiband characteristic and stability.
Detailed description of the invention
Fig. 1 is a kind of positive structure schematic of gate-shaped microstrip antenna provided by the embodiment of the utility model;
Fig. 2 is a kind of structure schematic diagram of gate-shaped microstrip antenna provided by the embodiment of the utility model;
Fig. 3 is a kind of return loss characteristic curve diagram of gate-shaped microstrip antenna provided by the embodiment of the utility model;
Fig. 4 be a kind of gate-shaped microstrip antenna provided by the embodiment of the utility model in 2.40GHz in the radiation side of E plane Xiang Tu;
Fig. 5 be a kind of gate-shaped microstrip antenna provided by the embodiment of the utility model in 2.40GHz in the radiation side of H plane Xiang Tu;
Fig. 6 be a kind of gate-shaped microstrip antenna provided by the embodiment of the utility model in 3.84GHz in the radiation side of E plane Xiang Tu;
Fig. 7 be a kind of gate-shaped microstrip antenna provided by the embodiment of the utility model in 3.84GHz in the radiation side of H plane Xiang Tu;
Fig. 8 be a kind of gate-shaped microstrip antenna provided by the embodiment of the utility model in 5.76GHz in the radiation side of E plane Xiang Tu;
Fig. 9 be a kind of gate-shaped microstrip antenna provided by the embodiment of the utility model in 5.76GHz in the radiation side of H plane Xiang Tu.
Specific embodiment
To keep the purpose of this utility model, technical solution and advantage clearer, implement below in conjunction with the utility model Attached drawing in example, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that described reality Applying example is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, ability It is practical new to belong to this for domain those of ordinary skill every other embodiment obtained without creative efforts The range of type protection.
In the present invention, term " on ", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outside", " in ", "vertical", "horizontal", " transverse direction ", the orientation or positional relationship of the instructions such as " longitudinal direction " be orientation based on the figure or Positional relationship.These terms are not intended to limit indicated primarily to better describe the utility model and embodiment Device, element or component must have particular orientation, or be constructed and operated with particular orientation.
Also, above-mentioned part term is other than it can be used to indicate that orientation or positional relationship, it is also possible to for indicating it His meaning, such as term " on " also are likely used for indicating certain relations of dependence or connection relationship in some cases.For ability For the those of ordinary skill of domain, the concrete meaning of these terms in the present invention can be understood as the case may be.
In addition, term " setting ", " connection " etc. shall be understood in a broad sense.For example, " connection " may be a fixed connection, detachably Connection or monolithic construction;It can be mechanical connection, or electrical connection;It can be directly connected, or by between intermediary It connects connected, or is two connections internal between device, element or component.For those of ordinary skill in the art Speech, can understand the concrete meaning of above-mentioned term in the present invention as the case may be.
In addition, " length " described in the utility model is length value in the up-down direction, " width " be Length value on left and right directions.
Unless otherwise indicated, the meaning of " multiple " is two or more.
Below by specific embodiment and in conjunction with attached drawing, the utility model is further described in detail.
Embodiment one
A kind of gate-shaped microstrip antenna provided by the embodiment of the utility model, referring to Fig. 1 and Fig. 2, including including medium substrate 1, radiation patch and earth plate;
The medium substrate 1 includes first surface and the second surface opposite with the first surface, the radiation patch Piece is arranged on the first surface of the medium substrate 1, and the earth plate is arranged on the second surface of the medium substrate 1;
The radiation patch includes the first rectangular strip patch 2, the second rectangular strip patch 3, third rectangular strip patch the 4, the 4th Rectangular strip patch 5, the 5th rectangular strip patch 6, the 6th rectangular strip patch 7, the 7th rectangular strip patch 8, the 8th rectangular strip patch 9, 9th rectangular strip patch 10, the tenth rectangular strip patch 11, the 11st rectangular strip patch 12, the 12nd rectangular strip patch 13, first Concentric loop patch 14, the second concentric loop patch 15, third concentric loop patch 16, the 4th concentric loop patch the 17, the 5th Concentric loop patch 18, the 6th concentric loop patch 19 and the 7th concentric loop patch 20;First rectangular strip patch, 2 lower end Positioned at the lower edge of the first surface of the medium substrate 1, the lower end of the second rectangular strip patch 3 and first rectangular strip The upper end of patch 2 connects, and the upper end of the second rectangular strip patch 3 connects the middle part of the third rectangular strip patch, and described the The both ends of three rectangular strip patches are separately connected the first concentric loop patch 14 and the second concentric loop patch 15, institute The lower end for stating the 4th rectangular strip patch 5 is connect with the middle part of the third rectangular strip patch, the 4th rectangular strip patch 5 it is upper End is connect with the lower end of the third concentric loop patch 16, the 5th rectangular strip patch 6 and the 6th rectangular strip patch 7 are respectively positioned in the third concentric loop patch 16, and the lower end of the 5th rectangular strip patch 6 and the third concentric loop paste The lower end of piece 16 connects, and the middle part of the 5th rectangular strip patch 6 and the middle part of the 6th rectangular strip patch 7 intersect vertically; The lower end of the 7th rectangular strip patch 8 is connect with the first concentric loop patch 14, the 7th rectangular strip patch 8 Upper end is connect with the 4th concentric loop patch 17, the lower end of the 8th rectangular strip patch 9 and second concentric loop Patch 15 connects, and the upper end of the 8th rectangular strip patch 9 is connect with the 5th concentric loop patch 18;9th rectangle The lower end of article patch 10 is connect with the 4th concentric loop patch 17, the upper end of the 9th rectangular strip patch 10 and described the One end of ten rectangular strip patches 11 connects, and the tenth rectangular strip patch 11 and the 11st rectangular strip patch 12 are located at 6th concentric loop patch, 19 both ends, the 6th concentric loop patch 19 respectively with the tenth rectangular strip patch 11, 11st rectangular strip patch 12 connection, the other end and the 12nd rectangular strip of the 11st rectangular strip patch 12 paste The upper end of piece 13 connects, and the lower end of the 12nd rectangular strip patch 13 is connect with the 5th concentric loop patch 18;It is described 7th concentric loop patch, 20 upper end is equipped with opening, and it is same that the opening of the 7th concentric loop patch 20 is connected to the described 6th The lower end of heart annulus patch 19.
It is gate-shaped microstrip antenna light weight provided by the embodiment of the utility model, small in size, return loss can be effectively reduced, send out Higher band bandwidth is penetrated, while there is multiband characteristic and stability.
Further to enhance microstrip antenna performance, optionally, the first rectangular strip patch 2, second rectangular strip Patch 3, the third rectangular strip patch, the 4th rectangular strip patch 5, the 5th rectangular strip patch 6, the 6th rectangle Article patch 7, the third concentric loop patch 16, the 6th concentric loop patch 19 and the 7th concentric loop patch 20 Along the center line symmetrical setting of 1 first surface of medium substrate.
Further to enhance microstrip antenna performance, optionally, the first concentric loop patch 14 and described second is together Between heart annulus patch 15, between the 4th concentric loop patch 17 and the 5th concentric loop patch 18, the described 7th Between rectangular strip patch 8 and the 8th rectangular strip patch 9, the 9th rectangular strip patch 10 and the 12nd rectangular strip patch Along the medium substrate between piece 13 and between the tenth rectangular strip patch 11 and the 11st rectangular strip patch 12 The center line symmetrical setting of 1 first surface.
Referring to fig. 2, optionally, the earth plate includes the 13rd rectangular strip patch 21, arc-shaped patch 22 and round hole 23, the lower end of the 13rd rectangular strip patch 21 is located at the lower edge of the second surface of the medium substrate 1, and the described 13rd The two sides of rectangular strip patch 21 are respectively positioned on the both sides of the edge of 1 second surface of medium substrate, and the arc-shaped patch 22 connects At the middle part of the upper end of the 13rd rectangular strip patch 21, the round hole 23 is arranged on the arc-shaped patch 22, and The lower end of the round hole 23 extends on the 13rd rectangular strip patch 21, and the upper end of the arc-shaped patch 22 is equipped with straight Side 24, the straight flange 24 in parallel with the 13rd rectangular strip patch 21.
Defect ground structure can excite and improve resonance frequency, increase impedance bandwidth.The defect of this gate-shaped microstrip antenna Structure is to be etched by the suitable position in earth plate by the 13rd rectangular strip patch 21, arc-shaped patch 22 and 23 groups of round hole At defect block obtain, therefore there is three frequency ranges and broader bandwidth altogether in antenna, and matching is preferable.The utility model is not having The antenna of covering Bluetooth/Zigbee, C Band and WLAN working frequency range have been obtained in the case where increasing overall volume.
Defect grounding structure (Defected Ground Structure, DGS), is the hot topic of microwave regime newly-developed One of technology, it is developed by photonic band gap structure.The structure on the transmission lines ground plane such as microstrip line by etching Periodically or non-periodically figure, to change the distribution of earth current, to change the frequency characteristic of transmission line, it can be achieved that excitation The effects of resonance frequency inhibits harmonic wave, increases bandwidth.Defect grounding structure has very wide in microwave circuit and Antenna Design General application.
Further to enhance microstrip antenna performance, optionally, the 13rd rectangular strip patch 21, the arc-shaped patch Piece 22 and the round hole 23 are along the center line symmetrical setting of 1 second surface of medium substrate.
Optionally, the shape of the medium substrate 1 is rectangle.
Optionally, the length of the medium substrate 1 is 38L, width 23L, thickness 1.6L, wherein L is with length The number and L > 0 (such as L can be with value 1mm) of unit;The width of the first rectangular strip patch 2 is 4L, length 11L;It is described The width of second rectangular strip patch 3 is 2L, length 2.6L;The length of the third rectangular strip patch be 2.4L, described first The distance in the center of circle of concentric loop patch 14 to the center of circle of the second concentric loop patch 15 is 17.4L, and described first with one heart The outer ring radius of annulus patch 14 is 2L, and inner ring radius is 1.7L;The length of the 4th rectangular strip patch 5 is 1.6L, width For 3L;The minimum range of the center of circle of the third concentric loop patch 16 to the third rectangular strip patch is 5L, the third The inner ring radius of concentric loop patch 16 is 3.4L, and outer ring radius is 3.7L;The length of the 5th rectangular strip patch 6 is 6.4L, width 1L;The length of the 6th rectangular strip patch 7 is 1.1L, width 5L;The 7th rectangular strip patch 8 Width is 1L, and the width of the 9th rectangular strip patch 10 is 1L;The inner ring radius of the 4th concentric loop patch 17 is 1.5L, outer ring radius are 2.3L, and the minimum of the center of circle to the third rectangular strip patch of the 4th concentric loop patch 17 is hung down Straight distance is 11L, the minimum perpendicular distance in the center of circle of the 4th concentric loop patch 17 to the tenth rectangular strip patch 11 For 5L;The length of the tenth rectangular strip patch 11 is 2L;The 9th rectangular strip patch 10 to the 12nd rectangular strip pastes The minimum range of piece 13 is 15L;The inner ring radius of the 6th concentric loop patch 19 is 2.8L, and outer ring radius is 3.5L, institute The distance for stating the center of circle to the center of circle of the 7th concentric loop patch 20 of the 6th concentric loop patch 19 is 3.6L;Described 7th The inner ring radius of concentric loop patch 20 is 1.8L, and outer ring radius is 2.3L;The width of the 13rd rectangular strip patch 21 is 23L, length 6.3L;The radius of the round hole 23 is 2L, the center of circle of the round hole 23 to 1 lower edge of medium substrate Distance be 8L;The radius of the arc-shaped patch 22 is 9L, under the center of circle to the medium substrate of the arc-shaped patch 22 The distance at edge is 3.5L, and the width of the straight flange 24 of the arc-shaped patch 22 is 7.8L.
Optionally, L value is 1mm.
In the present embodiment, because this gate-shaped microstrip antenna size is smaller, mismachining tolerance may be generated in processing, is made At the variation of the size of each part, therefore, will cause L value generate variation, for example, can for 0.9995mm, 0.9996mm, 0.9997mm, 0.9998mm, 0.9999mm, 1mm, 1.0001mm ..., so it should be noted that practical not changing this On the basis of new design design, change in the light of actual conditions can be specifically arranged in those skilled in the art, but it is carried out Change should be included within the scope of protection of this utility model.
Optionally, the medium substrate 1 is FR4 epoxy plate, relative dielectric constant ε r=4.4, dielectric loss 0.02, spy Property impedance be 50 Ω.
In the present embodiment, to further explain the present embodiment, when will be below 1mm with L value, exemplary theory be carried out It is bright, it should be noted that the case where value of L may be other values, and those skilled in the art can according to need is specific Setting.
In the present embodiment, when L value is 1mm, this gate-shaped microstrip antenna provides 0.25GHz, 1.30GHz and 0.66GHz Three impedance bandwidths, working frequency range are respectively 2.27-2.52GHz, 3.55-4.85GHZ and 5.51-6.17GHz, resonance frequency Respectively 2.40GHz, 3.84GHz and 5.76GHz.Fig. 3 show the return loss characteristic curve diagram of this gate-shaped microstrip antenna, such as Shown in Fig. 3, return loss of this gate-shaped microstrip antenna at resonance point respectively -22.15dB, -35.38dB and -33.13dB, Thus the good matching properties of this gate-shaped microstrip antenna are shown.Fig. 4 and Fig. 5 is this gate-shaped microstrip antenna respectively in 2.40GHz When respectively in the antenna pattern of E plane and H plane, Fig. 6 and Fig. 7 be respectively this gate-shaped microstrip antenna in 3.84GHz in E The antenna pattern of plane and H plane, Fig. 8 and Fig. 9 be respectively this gate-shaped microstrip antenna in 5.76GHz in E plane and H plane Antenna pattern.As seen from the figure, the antenna pattern characteristic of this gate-shaped microstrip antenna is relatively steady in all working frequency range It is fixed, there is good directionality.
Embodiment two
The utility model embodiment provides a kind of communication device, including gate-shaped microstrip antenna described in embodiment one.
Communication device provided by the embodiment of the utility model has more by gate-shaped microstrip antenna described in embodiment one The advantages of band characteristic and stability, and return loss can be effectively reduced.
The above is only the preferred embodiments of the utility model, are not intended to limit the utility model, for this field Technical staff for, various modifications and changes may be made to the present invention.Within the spirit and principle of the utility model, Any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.

Claims (10)

1. a kind of gate-shaped microstrip antenna, which is characterized in that including medium substrate, radiation patch and earth plate;
The medium substrate includes first surface and the second surface opposite with the first surface, the radiation patch setting On the first surface of the medium substrate, the earth plate is arranged on the second surface of the medium substrate;
The radiation patch includes the first rectangular strip patch, the second rectangular strip patch, third rectangular strip patch, the 4th rectangular strip patch Piece, the 5th rectangular strip patch, the 6th rectangular strip patch, the 7th rectangular strip patch, the 8th rectangular strip patch, the 9th rectangular strip patch Piece, the tenth rectangular strip patch, the 11st rectangular strip patch, the 12nd rectangular strip patch, the first concentric loop patch, second are with one heart Annulus patch, third concentric loop patch, the 4th concentric loop patch, the 5th concentric loop patch, the 6th concentric loop patch With the 7th concentric loop patch;The first rectangular strip patch lower end is located at the lower edge of the first surface of the medium substrate, The lower end of the second rectangular strip patch is connect with the upper end of the first rectangular strip patch, the second rectangular strip patch it is upper End connects the middle part of the third rectangular strip patch, and the both ends of the third rectangular strip patch are separately connected first concentric circles In ring patch and the second concentric loop patch, the lower end of the 4th rectangular strip patch and the third rectangular strip patch Portion's connection, the upper end of the 4th rectangular strip patch are connect with the lower end of the third concentric loop patch, the 5th rectangle Article patch and the 6th rectangular strip patch are respectively positioned in the third concentric loop patch, under the 5th rectangular strip patch End is connect with the lower end of the third concentric loop patch, and the middle part of the 5th rectangular strip patch and the 6th rectangular strip paste It intersects vertically in the middle part of piece;The lower end of the 7th rectangular strip patch is connect with the first concentric loop patch, and the described 7th The upper end of rectangular strip patch is connect with the 4th concentric loop patch, the lower end and described second of the 8th rectangular strip patch The connection of concentric loop patch, the upper end of the 8th rectangular strip patch is connect with the 5th concentric loop patch;Described 9th The lower end of rectangular strip patch is connect with the 4th concentric loop patch, the upper end and the described tenth of the 9th rectangular strip patch One end of rectangular strip patch connects, and the tenth rectangular strip patch and the 11st rectangular strip patch are located at the described 6th Concentric loop patch both ends, the 6th concentric loop patch respectively with the tenth rectangular strip patch, the 11st rectangle The connection of patch, the other end of the 11st rectangular strip patch is connect with the upper end of the 12nd rectangular strip patch, described The lower end of 12nd rectangular strip patch is connect with the 5th concentric loop patch;7th concentric loop patch upper end is equipped with Opening, the opening of the 7th concentric loop patch are connected to the lower end of the 6th concentric loop patch.
2. gate-shaped microstrip antenna as described in claim 1, which is characterized in that the first rectangular strip patch, second square Shape article patch, the third rectangular strip patch, the 4th rectangular strip patch, the 5th rectangular strip patch, the 6th square Shape article patch, the third concentric loop patch, the 6th concentric loop patch and the equal edge of the 7th concentric loop patch The center line symmetrical setting of the medium substrate first surface.
3. gate-shaped microstrip antenna as claimed in claim 2, which is characterized in that the first concentric loop patch and described second Between concentric loop patch, between the 4th concentric loop patch and the 5th concentric loop patch, the 7th rectangle Article between patch and the 8th rectangular strip patch, between the 9th rectangular strip patch and the 12nd rectangular strip patch with And along the center of the medium substrate first surface between the tenth rectangular strip patch and the 11st rectangular strip patch Line is symmetrical arranged.
4. gate-shaped microstrip antenna as claimed in claim 3, which is characterized in that the earth plate is pasted including the 13rd rectangular strip Piece, arc-shaped patch and round hole, the lower end of the 13rd rectangular strip patch are located at the second surface of the medium substrate The two sides of lower edge, the 13rd rectangular strip patch are respectively positioned on the both sides of the edge of the medium substrate second surface, the circle Tapered arc paster is connected to the middle part of the upper end of the 13rd rectangular strip patch, and the round hole is arranged in the arc-shaped patch On, and the lower end of the round hole extends on the 13rd rectangular strip patch, the upper end of the arc-shaped patch is equipped with straight Side, the straight flange are parallel to the 13rd rectangular strip patch.
5. gate-shaped microstrip antenna as claimed in claim 4, which is characterized in that the 13rd rectangular strip patch, the circular arc Shape patch and the round hole are along the center line symmetrical setting of the medium substrate second surface.
6. gate-shaped microstrip antenna as claimed in claim 5, which is characterized in that the shape of the medium substrate is rectangle.
7. gate-shaped microstrip antenna as claimed in claim 6, which is characterized in that the length of the medium substrate is 38L, and width is 23L, thickness 1.6L, wherein L is the number with length unit and L > 0;The width of the first rectangular strip patch is 4L, length For 11L;The width of the second rectangular strip patch is 2L, length 2.6L;The length of the third rectangular strip patch is 2.4L, The distance in the center of circle of the first concentric loop patch to the center of circle of the second concentric loop patch is 16L, and described first is same The outer ring radius of heart annulus patch is 2L, and inner ring radius is 1.7L;The length of the 4th rectangular strip patch is 1.6L, and width is 3L;The minimum range of the center of circle of the third concentric loop patch to the third rectangular strip patch is 5L, and the third is concentric The inner ring radius of annulus patch is 3.4L, and outer ring radius is 3.7L;The length of the 5th rectangular strip patch is 6.4L, and width is 1L;The length of the 6th rectangular strip patch is 1.1L, width 5L;The width of the 7th rectangular strip patch is 1L, described The width of 9th rectangular strip patch is 1L;The inner ring radius of the 4th concentric loop patch is 1.5L, and outer ring radius is 2.3L, The minimum perpendicular distance of the center of circle of the 4th concentric loop patch to the third rectangular strip patch is 11L, and the described 4th is same The minimum perpendicular distance of the center of circle of heart annulus patch to the tenth rectangular strip patch is 5L;The length of the tenth rectangular strip patch Degree is 2L;The minimum range of the 9th rectangular strip patch to the 12nd rectangular strip patch is 15L;6th concentric circles The inner ring radius of ring patch is 2.8L, and outer ring radius is 3.5L, and the center of circle of the 6th concentric loop patch is to the described 7th same The distance in the center of circle of heart annulus patch is 3.6L;The inner ring radius of the 7th concentric loop patch is 1.8L, and outer ring radius is 2.3L;The width of the 13rd rectangular strip patch is 23L, length 6.3L;The radius of the round hole is 2L, the circle The distance of the center of circle in hole to the medium substrate lower edge is 8L;The radius of the arc-shaped patch is 9L, the arc-shaped patch The distance of the center of circle of piece to the medium substrate lower edge is 3.5L, and the width of the straight flange of the arc-shaped patch is 7.8L.
8. gate-shaped microstrip antenna as claimed in claim 7, which is characterized in that L value is 1mm.
9. gate-shaped microstrip antenna as claimed in claim 8, which is characterized in that the medium substrate is FR4 epoxy plate, opposite to be situated between Electric constant ε r=4.4, dielectric loss 0.02, characteristic impedance are 50 Ω.
10. a kind of communication device, which is characterized in that the communication device includes such as the described in any item gate-shaped of claim 1-9 Microstrip antenna.
CN201821120571.9U 2018-07-13 2018-07-13 A kind of gate-shaped microstrip antenna and communication device Expired - Fee Related CN208478562U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109941829A (en) * 2019-03-14 2019-06-28 邱宇豪 A kind of copper wire, aluminum steel high speed unwinding machine

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109941829A (en) * 2019-03-14 2019-06-28 邱宇豪 A kind of copper wire, aluminum steel high speed unwinding machine
CN109941829B (en) * 2019-03-14 2020-11-06 浙江金桥铜业科技有限公司 High-speed paying-off machine for copper wires and aluminum wires

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