CN110048222A - It is antenna integrated that one hair two of one kind receives circular polarisation - Google Patents
It is antenna integrated that one hair two of one kind receives circular polarisation Download PDFInfo
- Publication number
- CN110048222A CN110048222A CN201910225284.7A CN201910225284A CN110048222A CN 110048222 A CN110048222 A CN 110048222A CN 201910225284 A CN201910225284 A CN 201910225284A CN 110048222 A CN110048222 A CN 110048222A
- Authority
- CN
- China
- Prior art keywords
- antenna
- printed circuit
- micro
- circuit board
- copper clad
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
- H01Q1/38—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith formed by a conductive layer on an insulating support
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/50—Structural association of antennas with earthing switches, lead-in devices or lightning protectors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/52—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure
- H01Q1/521—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure reducing the coupling between adjacent antennas
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/0006—Particular feeding systems
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/24—Combinations of antenna units polarised in different directions for transmitting or receiving circularly and elliptically polarised waves or waves linearly polarised in any direction
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/28—Combinations of substantially independent non-interacting antenna units or systems
Abstract
The present invention disclose one kind one hair two receive circular polarisation it is antenna integrated, include circularly-polarized patch antenna unit and printed circuit board, the circularly-polarized patch antenna unit and the feed structure are integrated on the printed circuit board；The circularly-polarized patch antenna unit includes micro-strip plate, antenna radiator and metal column probe, and the antenna radiator is set to micro-strip plate upper surface；The metal column probe passes perpendicularly through the micro-strip plate and the printed circuit board, and the both ends of the metal column probe are connected with the microstrip line of the antenna radiator of micro-strip plate upper surface and the printed circuit board lower surface respectively；The electromagnetic bandgap structure unit of several annular spreads is provided on the outside of the antenna radiator；The present invention can effectively improve antenna element interval from degree, improve antenna element directional diagram, axis ratio, gain performance, be conducive to antenna and printed circuit on-board circuitry, component it is integrated.
Description
Technical field
The present invention relates to antenna technical fields, and in particular to it is antenna integrated that one hair two of one kind receives circular polarisation.
Background technique
It is produced to meet application demands, the short distance radar detections such as short distance life detection, through-wall detection, packing case detection
Product put it over application.Circularly polarised wave can detect the electromagnetic signal feature of vertically polarized wave and horizontal polarized wave, therefore, closely
Detection radar has more advantage using circular polarized antenna.The circular polarized antenna that a hair two is received is integrated in printed board, can be expired well
Sufficient short distance electromagnetism receives and dispatches demand.
But under the factors influencing demand for guaranteeing system integration, miniaturization, not only distance is close for dual-mode antenna, and antenna element is anti-
Floor asymmetry is penetrated, causes that isolation between transmitting and receiving antenna is low, antenna element pattern distortion, the axis problem lower than poor, gain.
In view of the above drawbacks, creator of the present invention obtains the present invention by prolonged research and practice finally.
Summary of the invention
To solve above-mentioned technological deficiency, the technical solution adopted by the present invention is, provides one hair two of one kind and receives circular polarisation collection
It include circularly-polarized patch antenna unit and printed circuit board at antenna, the circularly-polarized patch antenna unit and the feed are tied
Structure is integrated on the printed circuit board；The circularly-polarized patch antenna unit includes micro-strip plate, antenna radiator and metal
Column probe, the antenna radiator are set to micro-strip plate upper surface；The metal column probe passes perpendicularly through the micro-strip plate
With the printed circuit board, and the both ends of the metal column probe antenna radiator with micro-strip plate upper surface respectively
It is connected with the microstrip line of the printed circuit board lower surface；The electromagnetism of several annular spreads is provided on the outside of the antenna radiator
Bandgap structure unit.
Preferably, the electromagnetic bandgap structure unit includes that copper clad layers are vertical with the metallization positioned at the copper clad layers center
Through-hole, the copper clad layers are located at micro-strip plate upper surface, and the metallization vertical through hole is located at the micro-strip intralamellar part, described
The depth of metallization vertical through hole is identical with the micro-strip plate thickness.
Preferably, the circularly-polarized patch antenna unit is at least provided with a transmission antenna unit and two receiving antennas
Unit, the transmission antenna unit and receiving antenna unit category same polarization setting, the transmission antenna unit and with it is another
The one receiving antenna unit category cross polarization setting.
Preferably, micro-strip plate lower surface is provided with following table copper clad layers, the following table copper clad layers as antenna-reflected,
The following table copper clad layers are provided with following table feed area, and the following table feed area corresponds to the feed probes setting.
Preferably, the upper table copper clad layers of the printed circuit board, circuit of the upper table copper clad layers as printed circuit board
Ground, the upper table copper clad layers are provided with table feed area, and the upper table feed area corresponds to the feed probes setting, the upper table
Copper clad layers and the following table copper clad layers are effectively electrically connected.
Preferably, the antenna radiator setting is square copper clad layers, the diagonal corner cut setting of square copper clad layers.
Preferably, the copper clad layers setting of the electromagnetic bandgap structure unit is square or circle.
Preferably, the microstrip line is additionally provided with circular pad, the circular pad diameter is greater than the metal column and visits
Needle diameter, the lower end of the metal column probe are welded on the circular pad center.
Preferably, the two receipts circular polarisation of a hair is antenna integrated to be additionally provided with location hole, the location hole is through described micro-
Band plate and the printed circuit board, the relative position for fixing between the micro-strip plate and the printed circuit board.
Preferably, the printed circuit board corresponds to the feed metal that several annular vertical distributions are arranged in the metal column probe
Change through-hole, the feed metal through-hole is located at the printed circuit intralamellar part, the depth of the feed metal through-hole and institute
The thickness for stating printed circuit board is identical.
Antenna element interval can be effectively improved from degree the beneficial effects of the present invention are: the present invention compared with the prior art,
Improve antenna element directional diagram, axis ratio, gain performance, be conducive to antenna and printed circuit on-board circuitry, component it is integrated；Together
When have the characteristics that compact-sized, integration is good, can be used for the radio-frequency front-end of close-in target feature detection radar, have very high
Engineering application value.
Detailed description of the invention
Fig. 1 is the Facad structure figure that one hair two of the present invention receives circularly-polarized patch antenna；
Fig. 2 is the backside structure figure that one hair two of the present invention receives circularly-polarized patch antenna；
Fig. 3 is the side view that one hair two of the present invention receives circularly-polarized patch antenna.
Digital representation in figure:
1- transmission antenna unit；2- receiving antenna unit；3- antenna radiator；4- metal column probe；5- electro-magnetic bandgap knot
Structure unit；6- micro-strip plate；7- printed circuit board；8- microstrip line.
Specific embodiment
Below in conjunction with attached drawing, the forgoing and additional technical features and advantages are described in more detail.
Embodiment one
Fig. 1 is the Facad structure figure that one hair two of the present invention receives circularly-polarized patch antenna；Fig. 2 is that one hair two of the present invention receives entelechy
Change the backside structure figure of paster antenna；The front elevation of Fig. 1 receives the antenna integrated top of circular polarisation to institute to send out two from described one
The schematic diagram that a hair two receives the antenna integrated upper surface observation of circular polarisation is stated, the back view of Fig. 2 is to receive circle from a hair two
Polarize schematic diagram of the antenna integrated lower part to the antenna integrated lower end surface observation of the two receipts circular polarisation of a hair.
It is of the present invention one hair two receive circular polarisation it is antenna integrated include circularly-polarized patch antenna unit and printed circuit board 7,
The circularly-polarized patch antenna unit and the feed structure are integrated on the printed circuit board 7.The circularly-polarized patch
Antenna element is provided with a transmission antenna unit 1 and two receiving antenna units 2, described in the transmission antenna unit 1 and one
Receiving antenna unit 2 belongs to same polarization setting, belongs to cross polarization setting with another receiving antenna unit 2.
Preferably, the transmission antenna unit 1 and the receiving antenna unit 2 can share one block of micro-strip plate 6, or will be described
Individually a corresponding independent micro-strip plate 6 is arranged for transmission antenna unit 1 and the receiving antenna unit 2.
The circularly-polarized patch antenna unit includes antenna radiator 3 and metal column probe 4, and the antenna radiator 3 is set
Radiation copper clad layers are set to, shape is generally the square of diagonal corner cut setting, and the antenna radiator 3 is set to the micro-strip
6 upper surface of plate；The metal column probe 4 passes perpendicularly through the micro-strip plate 6 and the printed circuit board 7, and the metal column is visited
The both ends of needle 4 micro-strip with 7 lower surface of the antenna radiator and the printed circuit board of 6 upper surface of micro-strip plate respectively
Line 8 is connected, and realizes that coaxial feed to microstrip-fed conversion, is conducive to circuit, component on antenna element and printed circuit board 7
It is integrated.
As shown in figure 3, Fig. 3 is the side view that one hair two of the present invention receives circularly-polarized patch antenna；Outside the antenna radiator 3
Side is provided with " mushroom " shape electromagnetic bandgap structure unit 5 of several annular spreads.The electromagnetic bandgap structure unit 5 includes covering copper
Layer and the metallization vertical through hole positioned at the copper clad layers center, the copper clad layers may be configured as square or round, described to cover
Layers of copper is located at 6 upper surface of micro-strip plate, and the metallization vertical through hole is located inside the micro-strip plate 6, and the metallization is hung down
The depth of clear opening is identical with 6 thickness of micro-strip plate.The electromagnetic bandgap structure unit 5 can effectively improve adjacent antennas unit
Isolation, improve antenna element directional diagram, axis ratio, gain performance.
In addition to reserving round feed area at the correspondence feed probes, other region parts are equal for 6 lower surface of micro-strip plate
Copper is covered, and as antenna-reflected.I.e. described 6 lower surface of micro-strip plate is provided with following table copper clad layers, the following table copper clad layers conduct
Antenna-reflected, the following table copper clad layers are provided with following table circle feed area, and following table circle feed area corresponds to the feed
Probe setting.
Preferably, the micro-strip plate 6 uses double-sided copper-clad micro-strip plate 6, by covering to the two of the double-sided copper-clad micro-strip plate 6
Copper face is processed, to produce the corresponding knot of the circularly-polarized patch antenna unit and the electromagnetic bandgap structure unit 5
Structure.
The printed circuit board 7 can be selected as needed using single or multi-layer structure, the upper table of the printed circuit board 7
Face is arranged outside upper table circle feed area in the position of the correspondence feed probes, and copper is covered in other regions, as printed circuit board 7
Circuit, and the circuit and the effectively electrical connection of antenna-reflected ground.The lower surface of the printed circuit board 7 is provided with
Rectangular microstrip line 8 with circular pad, the circular pad diameter are greater than 4 diameter of metal column probe, and the rectangle is micro-
Circuit connection on band 8 one end of line and the printed circuit board 7.
The printed circuit board 7 is prepared using double face copper required covers copper pattern.The micro-strip plate 6 and described
It is adhesively fixed between printed circuit board 7 using modes such as adhesive film or conducting resinls.
The metal column probe 4 is perpendicular through the micro-strip plate 6 and the printed circuit board 7, and the metal column probe 4
Both ends stretch out a part in 6 upper surface of micro-strip plate and 7 lower surface of the printed circuit board in order to welding；The gold
Belong to 4 upper end of column probe to be welded on the antenna radiator 3, lower end is welded on the circular pad center.
According to the needs of structuring the formation of circuit and component on the printed circuit board 7, the band on the printed circuit board 7 is round
The rectangular microstrip line 8 of pad can arbitrarily extend towards 360 degree of directions.
Preferably, a hair two receives the antenna integrated also settable location hole of circular polarisation, the location hole setting is not being set
The position for setting the copper clad layers, the relative position for fixing between the micro-strip plate 6 and the printed circuit board 7 is with supplementary set
It prepares and processes at antenna, to guarantee on the micro-strip plate 6 and the printed circuit board 7 position between copper clad layers and two plates
Relationship precision.
Embodiment two
In the present embodiment, one hair two of one kind is provided and receives the antenna integrated specific structure layout of circular polarisation.Three circles
Polarized patch antenna unit independently corresponds to one block of rectangular micro-strip plate 6.The transmission antenna unit 1 is located at rectangle printing electricity
The lower left corner of road plate 7, two receiving antenna units 2 are located at the upper right corner and the lower right corner of rectangle printed circuit board 7,
And the transmission antenna unit 1 in the lower left corner is identical with 2 structure of receiving antenna unit in the upper right corner, belongs to same polarization and sets
It sets；The transmission antenna unit 1 in the lower left corner and the receiving antenna unit 2 in the lower right corner are with rectangle printed circuit board 7
Vertical medium line is in mirror symmetry relationship, belongs to cross polarization setting.
The antenna radiator 3 of the circularly-polarized patch antenna unit is the square copper clad layers of diagonal corner cut, is located at described
6 upper surface of micro-strip plate, metal column probe 4 connect the antenna radiator 3 and are vertically fed.3 outside of antenna radiator
There is " mushroom " shape electromagnetic bandgap structure unit 5 of two circle side's annular spreads." mushroom " the shape electromagnetic bandgap structure unit 5 by
Square copper clad layers and metallization vertical through hole at its center are constituted, and the square copper clad layers are located at the micro-strip plate 6
Upper surface, the metallization vertical through hole are located inside the micro-strip plate 6, the metallization depth of vertical through hole and described micro-
6 thickness of band plate is identical.
The printed circuit board 7 of 6 lower section of micro-strip plate is single layer printed circuit plate 7.Table on the printed circuit board 7
Face reserves outside round feed area in 4 position of metal column probe, and copper is covered in other regions, the ground as printed circuit board 7.Institute
It states 7 lower surface of printed circuit board and draws the rectangular microstrip line 8 with circular pad, the circular pad diameter is greater than the metal column
4 diameter of probe.
Preferably, the printed circuit board 7 increases the feed of several annular vertical distributions in 4 surrounding of metal column probe
Plated-through hole is to assist the metal column probe 4 to feed.The feed metal through-hole is located in the printed circuit board 7
Portion, the consistency of thickness of the depth of the feed metal through-hole and the printed circuit board 7.
The foregoing is merely presently preferred embodiments of the present invention, is merely illustrative for the purpose of the present invention, and not restrictive
's.Those skilled in the art understand that in the spirit and scope defined by the claims in the present invention many changes can be carried out to it,
It modifies or even equivalent, but falls in protection scope of the present invention.
Claims (10)
1. it is antenna integrated that one hair two of one kind receives circular polarisation, which is characterized in that include circularly-polarized patch antenna unit and printed circuit
Plate, the circularly-polarized patch antenna unit and the feed structure are integrated on the printed circuit board；The circular polarisation patch
Chip antenna unit includes micro-strip plate, antenna radiator and metal column probe, and the antenna radiator is set on the micro-strip plate
Surface；The metal column probe passes perpendicularly through the micro-strip plate and the printed circuit board, and the both ends of the metal column probe
It is connected respectively with the microstrip line of the antenna radiator of micro-strip plate upper surface and the printed circuit board lower surface；It is described
The electromagnetic bandgap structure unit of several annular spreads is provided on the outside of antenna radiator.
2. it is antenna integrated that a hair two as described in claim 1 receives circular polarisation, which is characterized in that the electromagnetic bandgap structure unit
Metallization vertical through hole including copper clad layers and positioned at the copper clad layers center, the copper clad layers are located at table on the micro-strip plate
Face, the metallization vertical through hole are located at the micro-strip intralamellar part, the depth of the metallization vertical through hole and the micro-strip plate
Thickness is identical.
3. it is antenna integrated that a hair two as described in claim 1 receives circular polarisation, which is characterized in that the circularly-polarized patch antenna list
Member is provided with a transmission antenna unit and two receiving antenna units, the transmission antenna unit and a receiving antenna list
Member belongs to same polarization setting, the transmission antenna unit and is arranged with another receiving antenna unit category cross polarization.
4. it is antenna integrated that a hair two as described in claim 1 receives circular polarisation, which is characterized in that the setting of micro-strip plate lower surface
There are following table copper clad layers, as antenna-reflected, the following table copper clad layers are provided with following table feed area to the following table copper clad layers, described
Following table feed area corresponds to the feed probes setting.
5. it is antenna integrated that a hair two as claimed in claim 4 receives circular polarisation, which is characterized in that the upper table of the printed circuit board
Copper clad layers, circuit of the upper table copper clad layers as printed circuit board, the upper table copper clad layers are provided with table feed area, institute
It states table feed area and corresponds to the feed probes setting, the upper table copper clad layers and the following table copper clad layers are effectively electrically connected.
6. it is antenna integrated that a hair two as described in claim 1 receives circular polarisation, which is characterized in that the antenna radiator is set as
Square copper clad layers, the diagonal corner cut setting of square copper clad layers.
7. it is antenna integrated that a hair two as claimed in claim 2 receives circular polarisation, which is characterized in that the electronic band gap structural unit
Copper clad layers setting be square or round.
8. it is antenna integrated that a hair two as described in claim 1 receives circular polarisation, which is characterized in that the microstrip line is additionally provided with circle
Shape pad, the circular pad diameter are greater than the metal column probe diameter, and the lower end of the metal column probe is welded on institute
State circular pad center.
9. it is antenna integrated that a hair two as described in claim 1 receives circular polarisation, which is characterized in that it is additionally provided with location hole, it is described
Location hole runs through the micro-strip plate and the printed circuit board, for fixing between the micro-strip plate and the printed circuit board
Relative position.
10. it is antenna integrated that a hair two as described in claim 1 receives circular polarisation, which is characterized in that the printed circuit board is corresponding
The feed metal through-hole of several annular vertical distributions is arranged in the metal column probe, and the feed metal through-hole is located at described
The depth of printed circuit intralamellar part, the feed metal through-hole is identical as the thickness of the printed circuit board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910225284.7A CN110048222A (en) | 2019-03-22 | 2019-03-22 | It is antenna integrated that one hair two of one kind receives circular polarisation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910225284.7A CN110048222A (en) | 2019-03-22 | 2019-03-22 | It is antenna integrated that one hair two of one kind receives circular polarisation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110048222A true CN110048222A (en) | 2019-07-23 |
Family
ID=67275027
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910225284.7A Pending CN110048222A (en) | 2019-03-22 | 2019-03-22 | It is antenna integrated that one hair two of one kind receives circular polarisation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110048222A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112542701A (en) * | 2020-12-16 | 2021-03-23 | Oppo广东移动通信有限公司 | Antenna device and electronic equipment |
| CN112803155A (en) * | 2021-04-14 | 2021-05-14 | 成都瑞迪威科技有限公司 | Structure for realizing antenna wide beam and smooth directional diagram in large-size ground |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090079637A1 (en) * | 2007-09-26 | 2009-03-26 | Nippon Soken, Inc. | Antenna apparatus for radio communication |
| CN107004961A (en) * | 2017-01-22 | 2017-08-01 | 深圳市大疆创新科技有限公司 | Two-dimensional antenna system, the method and apparatus for positioning target |
-
2019
- 2019-03-22 CN CN201910225284.7A patent/CN110048222A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090079637A1 (en) * | 2007-09-26 | 2009-03-26 | Nippon Soken, Inc. | Antenna apparatus for radio communication |
| CN107004961A (en) * | 2017-01-22 | 2017-08-01 | 深圳市大疆创新科技有限公司 | Two-dimensional antenna system, the method and apparatus for positioning target |
Non-Patent Citations (2)
| Title |
|---|
| S. SWATHI等: "EBG Based Circularly Polarised Microstrip Antenna for RF Applications", 《2015 INTERNATIONAL CONFERENCE ON COMMUNICATIONS AND SIGNAL PROCESSING (ICCSP)》 * |
| WENQUAN CAO 等: "Multi-Frequency and Dual-Mode Patch Antenna Based on Electromagnetic Band-gap (EBG) Structure", 《IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112542701A (en) * | 2020-12-16 | 2021-03-23 | Oppo广东移动通信有限公司 | Antenna device and electronic equipment |
| CN112542701B (en) * | 2020-12-16 | 2023-07-21 | Oppo广东移动通信有限公司 | Antenna device and electronic equipment |
| CN112803155A (en) * | 2021-04-14 | 2021-05-14 | 成都瑞迪威科技有限公司 | Structure for realizing antenna wide beam and smooth directional diagram in large-size ground |
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Application publication date: 20190723 |