CN110011049A - A kind of microstrip antenna loading parasitic patch - Google Patents
A kind of microstrip antenna loading parasitic patch Download PDFInfo
- Publication number
- CN110011049A CN110011049A CN201910352990.8A CN201910352990A CN110011049A CN 110011049 A CN110011049 A CN 110011049A CN 201910352990 A CN201910352990 A CN 201910352990A CN 110011049 A CN110011049 A CN 110011049A
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- Prior art keywords
- patch
- primary radiation
- radiation patch
- antenna
- parasitic
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- 230000003071 parasitic effect Effects 0.000 title claims abstract description 58
- 230000005855 radiation Effects 0.000 claims abstract description 82
- 239000000758 substrate Substances 0.000 claims abstract description 25
- 239000002184 metal Substances 0.000 claims description 18
- 230000007704 transition Effects 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 11
- 238000009434 installation Methods 0.000 description 5
- 230000004048 modification Effects 0.000 description 5
- 238000012986 modification Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 238000002955 isolation Methods 0.000 description 3
- 230000002411 adverse Effects 0.000 description 2
- 239000011324 bead Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000024241 parasitism Effects 0.000 description 1
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
- H01Q1/525—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure reducing the coupling between adjacent antennas between emitting and receiving antennas
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
Abstract
The invention discloses a kind of microstrip antennas for loading parasitic patch, it is mutually perpendicular to outside side by way of load parasitic patch on the surface of dielectric substrate and in the primary radiation patch being arranged in pairs, far field electromagnetic wave progress width of the electromagnetic energy that the electromagnetic energy for radiating parasitic patch radiate primary radiation patch in two mutually orthogonal directions mutually compensates, and dual-mode antenna realizes preferable far-field pattern within the scope of big off-axis angle.It can be according to factors such as different primary radiation patch shapes, performance, actual working environments in practical operation, it is opposite with primary radiation patch position, side shape, side length by adjusting parasitic patch, and the electromagnetic energy for generating parasitic patch realizes that effective width mutually compensates with primary radiation patch radiation energy, play the role of improving transmitting-receiving microstrip antenna radiance, with the circularity for improving the far-field pattern after installing antenna house, microstrip antenna electromagnetic signal tranception-quality is improved, guarantees the technical effect of radio frequency system safety and reliability.
Description
Technical field
The present invention relates to electronic communication and microwave sounding technical fields, more particularly to a kind of load parasitic patch
Microstrip antenna.
Background technique
In practical applications, since the working environment of antenna more tends to complicate, in order to reduce external environment to antenna
It influences, it will usually install antenna house additional outside aerial radiation face to play the role of protecting antenna and shield external environment influence.Together
When, for that must work at the same time and be spaced for closer dual-mode antenna, for the isolation degree for increasing dual-mode antenna, it will usually receive
A metal isolating strip, antenna house and metal isolating strip meeting reflection electromagnetic wave are placed between hair antenna, lead to the far-field pattern of dual-mode antenna
There is biggish change, occurs pit or zero point in certain angles, the out-of-roundness of antenna increases, so that antenna cannot be normal
Work, system link occur abnormal.
As it can be seen that the antenna out-of-roundness that attaching antenna cover and metal isolating strip exists in the prior art deteriorates, day is seriously affected
The electromagnetic signal tranception-quality of line, or even the technical issues of cause entire radiofrequency signal system exception.
Summary of the invention
The application provides a kind of microstrip antenna for loading parasitic patch, to the installation day for solving to exist in the prior art
The antenna out-of-roundness of irdome and metal isolating strip deteriorates, and seriously affects the electromagnetic signal tranception-quality of antenna, or even cause entirely to penetrate
The technical problem of frequency signal system exception.
On the one hand the application provides a kind of microstrip antenna for loading parasitic patch, comprising:
Dielectric substrate；
At least a pair of of primary radiation patch, is arranged on a side surface of the dielectric substrate, and each pair of primary radiation patch with
Same line of symmetry is symmetrical arranged, wherein each primary radiation patch is identical, and the first primary radiation patch in the line of symmetry side
To emit signal, the line of symmetry other side the second primary radiation patch to receive signal；
At least a pair of of parasitic patch, each parasitic patch are arranged on the dielectric substrate, and are located at the primary radiation and paste
The outside of two mutually orthogonal sides of piece, wherein primary radiation patch and corresponding parasitic patch in the line of symmetry side
Be located at the line of symmetry other side primary radiation patch and parasitic patch it is symmetrical；
Antenna is located on the dielectric substrate, and is located at side where the primary radiation patch and parasitic patch；
Wherein, the vertical transition structure connecting with the primary radiation patch is additionally provided in the dielectric substrate, with for
The radiation patch feed.
Optionally, rectangular metal parting bead is additionally provided on the dielectric substrate, wherein in the broadside of the metal isolating strip
Heart line is overlapped with the line of symmetry.
Optionally, when only one primary radiation patch is respectively arranged in the metal isolating strip two sides, in each primary radiation patch two
The parasitic patch there are two being respectively set on a mutually orthogonal direction.
Optionally, the parasitic patch and the primary radiation patch rectangle that be long side parallel.
Optionally, antenna house height of the antenna house away from face where the main radiating element is preset height, so that institute
The circularity of microstrip antenna is stated close to 0db.
Optionally, the antenna house is relative to the height of dielectric substrate with a thickness of 3 millimeters, antenna house top inner wall
3 millimeters, and it is located at a parasitic patch of the metal isolating strip side having a size of long 3.3 millimeters of 4.2 mm wide, another parasitism
Patch is long 2.5 millimeters of 4.2 mm wide.
Optionally, the microstrip antenna further include:
It is combined barron device, is connected with the first primary radiation patch, to the two-way radio frequency that will be exported by radio circuit
Signal carries out power combing, obtains combining radiofrequency signal, and pass through the first primary radiation patch radiant output.
One or more technical solutions provided in the embodiments of the present application have at least the following technical effects or advantages:
The adverse effect that technical solution in the embodiment of the present application is generated for directional diagram of the attaching antenna cover to antenna, such as
Radiation beam offset generates radiation zero in a certain direction, by the surface of dielectric substrate and in the main spoke being arranged in pairs
The mode that two orthogonal side edges of patch load several parasitic patch is penetrated, the electromagnetic energy pair for radiating parasitic patch
Far field electromagnetic wave of the electromagnetic energy of primary radiation patch radiation in two mutually orthogonal directions carries out width and mutually compensates, dual-mode antenna
Preferable far-field pattern is realized within the scope of big off-axis angle.It can be according to different primary radiation patches in practical operation
The factors such as shape, performance, actual working environment, by adjusting parasitic patch it is opposite with primary radiation patch position, while shape, while
It is long, and the electromagnetic energy for generating parasitic patch realizes that effective width mutually compensates, and plays improvement with primary radiation patch radiation energy
The effect of microstrip antenna radiance is received and dispatched, there is the circularity of the far-field pattern after improving installation antenna house, improve micro-strip day
Line electromagnetic signal tranception-quality guarantees the technical effect of radio frequency system safety and reliability.
Detailed description of the invention
Fig. 1 is a kind of side block diagram of microstrip antenna for loading parasitic patch provided in an embodiment of the present invention；
Fig. 2 is a kind of overlooking structure figure of microstrip antenna for loading parasitic patch provided in an embodiment of the present invention.
Specific embodiment
The application provides a kind of microstrip antenna for loading parasitic patch, to the installation day for solving to exist in the prior art
The antenna out-of-roundness of irdome and metal isolating strip deteriorates, and seriously affects the electromagnetic signal tranception-quality of antenna, or even cause entirely to penetrate
The technical problem of frequency signal system exception
Technical solution in the embodiment of the present application is in order to solve the above technical problems, general thought is as follows:
Technical solution in the embodiment of the present application passes through on the surface of dielectric substrate and in the primary radiation patch being arranged in pairs
The mode for nearby loading several parasitic patch, the electromagnetic energy that the electromagnetic energy for radiating parasitic patch radiates primary radiation patch
It carries out width in far field mutually to compensate, dual-mode antenna realizes preferable far-field pattern in big angular range.In practical operation
It can be opposite with master by adjusting parasitic patch according to factors such as different primary radiation patch shapes, performance, actual working environments
Radiation patch position, side shape, side length, and the electromagnetic energy and primary radiation patch radiation energy that generate parasitic patch are realized
Effective width mutually compensates, and plays the role of improving transmitting-receiving microstrip antenna radiance, has the antenna after improving installation antenna house
Circularity improves microstrip antenna electromagnetic signal tranception-quality, guarantees the technical effect of radio frequency system safety and reliability.
Technical scheme is described in detail below by attached drawing and specific embodiment, it should be understood that the application
Specific features in embodiment and embodiment are the detailed description to technical scheme, rather than to present techniques
The restriction of scheme, in the absence of conflict, the technical characteristic in the embodiment of the present application and embodiment can be combined with each other.
The terms "and/or", only a kind of incidence relation for describing affiliated partner, indicates that there may be three kinds of passes
System, for example, A and/or B, can indicate: individualism A exists simultaneously A and B, these three situations of individualism B.In addition, herein
Middle character "/" typicallys represent the relationship that forward-backward correlation object is a kind of "or".
Embodiment one
Fig. 1, Fig. 2 are please referred to, the embodiment of the present application one provides a kind of microstrip antenna for loading parasitic patch, comprising:
Dielectric substrate 101；
At least a pair of of primary radiation patch 102, is arranged on a side surface of the dielectric substrate, and each pair of primary radiation patch
It is symmetrical arranged with same line of symmetry, wherein each primary radiation patch is identical, and pastes in the first primary radiation of the line of symmetry side
Piece to emit signal, the line of symmetry other side the second primary radiation patch to receive signal；
At least a pair of of parasitic patch 103, each parasitic patch is arranged on the dielectric substrate, and is located at the primary radiation
The outside of two mutually orthogonal sides of patch, wherein primary radiation patch and corresponding parasitic patch in the line of symmetry side
Piece and the primary radiation patch and parasitic patch that are located at the line of symmetry other side are symmetrical；
Antenna house 104 is located on the dielectric substrate, and is located at side where the primary radiation patch and parasitic patch；
Wherein, the vertical transition structure connecting with the primary radiation patch is additionally provided in the dielectric substrate, with for
The radiation patch feed.
The adverse effect that technical solution in the embodiment of the present application is generated for directional diagram of the attaching antenna cover to antenna, such as
Radiation beam offset generates radiation zero in a certain direction, by the surface of dielectric substrate and in the main spoke being arranged in pairs
It penetrates patch two and is mutually perpendicular to the mode that side edges load several parasitic patch, the electromagnetic energy for radiating parasitic patch is to master
Far field electromagnetic wave of the electromagnetic energy of radiation patch radiation in two mutually orthogonal directions carries out width and mutually compensates, and dual-mode antenna exists
Preferable far-field pattern is realized within the scope of big off-axis angle.It can be according to different primary radiation patch shapes in practical operation
The factors such as shape, performance, actual working environment, by adjusting parasitic patch it is opposite with primary radiation patch position, while shape, while
It is long, and the electromagnetic energy for generating parasitic patch realizes that effective width mutually compensates, and plays improvement with primary radiation patch radiation energy
The effect of microstrip antenna radiance is received and dispatched, there is the circularity of the far-field pattern after improving installation antenna house, improve micro-strip day
Line electromagnetic signal tranception-quality guarantees the technical effect of radio frequency system safety and reliability.
It should be noted that the parasitic patch in the embodiment of the present application is in the course of work of antenna without using microstrip line
The mode of connection is fed.
Further in the embodiment of the present application, rectangular metal parting bead 105 is additionally provided on the dielectric substrate, wherein
The broadside center line of the metal isolating strip 105 is overlapped with the line of symmetry.It is possible thereby to which the primary radiation in metal isolating strip two sides is pasted
When piece carries out radiant output and the received two kinds of work of signal respectively at the same time, plays the role of further electromagnetic isolation, have
Improve receive-transmit isolation, improves the technical effect of signal transmitting and receiving quality.
And when only one primary radiation patch is respectively arranged in the metal isolating strip two sides, two around each primary radiation patch
The parasitic patch there are two being respectively set on mutually orthogonal direction, and the parasitic patch and the primary radiation patch are equal
For the parallel rectangle of long side.It is more flexible since two parasitic patch install in place in the operation of side length setting, and
Two parasitic patch have more ductility on length direction or width direction, it is possible thereby to the electricity for facilitating two parasitic patch to generate
Magnetic field is matched with the radiation field of primary radiation patch, is realized compared with prior art microstrip antenna more preferably antenna radiation pattern circularity,
Therefore the technical solution in the embodiment of the present application also has electromagnetic energy compensation the setting flexibility, Yi Jishi for improving parasitic patch
The now more preferably technical effect of antenna radiation pattern circularity.
Still further, the technical solution in the embodiment of the present application can also be by adjusting the antenna house away from the radiation
The height in face where unit makes the circularity of the microstrip antenna close to 0db.Specifically, the day in the embodiment of the present application
For irdome with a thickness of 3 millimeters, the antenna house is 3 millimeters relative to the height of dielectric substrate 101, and is located at the metal isolating strip one
For one parasitic patch of side having a size of long 3.3 millimeters of 4.2 mm wide, another parasitic patch is long 2.5 millimeters of 4.2 mm wide,
It is possible thereby to realize preferable antenna circularity, meet microstrip antenna application demand.
Still further, the microstrip antenna in the embodiment of the present application further include:
It is combined barron device, is connected with the first primary radiation patch, to the two-way radio frequency that will be exported by radio circuit
Signal carries out power combing, obtains combining radiofrequency signal, and pass through the first primary radiation patch radiant output.Pass through the conjunction
The setting of road barron device and the realization of corresponding function, can enable wireless system institute using the embodiment of the present application microstrip antenna
The signal power given off is bigger, signal detection is apart from farther.
Although the preferred embodiment of the application has been described, it is created once a person skilled in the art knows basic
Property concept, then additional changes and modifications may be made to these embodiments.So it includes excellent that the following claims are intended to be interpreted as
It selects embodiment and falls into all change and modification of the application range.
Obviously, those skilled in the art can carry out various modification and variations without departing from the essence of the application to the application
Mind and range.In this way, if these modifications and variations of the application belong to the range of the claim of this application and its equivalent technologies
Within, then the application is also intended to include these modifications and variations.
Claims (7)
1. a kind of microstrip antenna for loading parasitic patch characterized by comprising
Dielectric substrate；
At least a pair of of primary radiation patch, is arranged on a side surface of the dielectric substrate, and each pair of primary radiation patch is with same
Line of symmetry be symmetrical arranged, wherein each primary radiation patch is identical, and the first primary radiation patch of the line of symmetry side to
Emit signal, the line of symmetry other side the second primary radiation patch to receive signal；
At least a pair of of parasitic patch, each parasitic patch is arranged on the dielectric substrate, and is located at the primary radiation patch
Outside, wherein in the primary radiation patch of the line of symmetry side and corresponding parasitic patch and be located at the line of symmetry other side
Primary radiation patch and parasitic patch it is symmetrical；
Antenna is located on the dielectric substrate, and is located at side where the primary radiation patch and parasitic patch；
Wherein, it is additionally provided with the vertical transition structure connecting with the primary radiation patch, in the dielectric substrate to be described
Radiation patch feed.
2. microstrip antenna as described in claim 1, which is characterized in that be additionally provided on the dielectric substrate rectangular metal every
Item, wherein the broadside center line of the metal isolating strip is overlapped with the line of symmetry.
3. microstrip antenna as claimed in claim 2, which is characterized in that the main spoke of only one is respectively arranged in the metal isolating strip two sides
When penetrating patch, it is respectively set on two mutually orthogonal directions of each primary radiation patch there are two the parasitic patch.
4. microstrip antenna as claimed in claim 3, which is characterized in that the parasitic patch and the primary radiation patch are length
The parallel rectangle in side.
5. microstrip antenna as claimed in claim 4, which is characterized in that the antenna house is away from face where the main radiating element
Antenna house height is preset height, so that the circularity of the microstrip antenna is close to 0db.
6. microstrip antenna as claimed in claim 5, which is characterized in that the antenna house is with a thickness of 3 millimeters, the antenna house top
Hold inner wall relative to dielectric substrate height be 3 millimeters, and be located at the metal isolating strip side a parasitic patch having a size of
Long 3.3 millimeters of 4.2 mm wide, another parasitic patch are long 2.5 millimeters of 4.2 mm wide.
7. microstrip antenna as described in claim 1, which is characterized in that the microstrip antenna further include:
It is combined barron device, is connected with the first primary radiation patch, to the two-way radiofrequency signal that will be exported by radio circuit
Power combing is carried out, obtains combining radiofrequency signal, and pass through the first primary radiation patch radiant output.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910352990.8A CN110011049A (en) | 2019-04-29 | 2019-04-29 | A kind of microstrip antenna loading parasitic patch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910352990.8A CN110011049A (en) | 2019-04-29 | 2019-04-29 | A kind of microstrip antenna loading parasitic patch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110011049A true CN110011049A (en) | 2019-07-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910352990.8A Pending CN110011049A (en) | 2019-04-29 | 2019-04-29 | A kind of microstrip antenna loading parasitic patch |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022143777A1 (en) * | 2020-12-31 | 2022-07-07 | 华为技术有限公司 | Patch antenna and electronic device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20010054983A1 (en) * | 1999-04-26 | 2001-12-27 | Judd Mano D. | Transmit/receive distributed antenna systems |
| US20080088510A1 (en) * | 2004-09-30 | 2008-04-17 | Toto Ltd. | Microstrip Antenna And High Frequency Sensor Using Microstrip Antenna |
| US20170338553A1 (en) * | 2014-12-05 | 2017-11-23 | Thales | Self-complementary multilayer array antenna |
| CN108879094A (en) * | 2018-07-04 | 2018-11-23 | 深圳市国人射频通信有限公司 | A kind of aerial array and its antenna element |
| CN209804892U (en) * | 2019-04-29 | 2019-12-17 | 成都天成电科科技有限公司 | Microstrip antenna loaded with parasitic patch |
-
2019
- 2019-04-29 CN CN201910352990.8A patent/CN110011049A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20010054983A1 (en) * | 1999-04-26 | 2001-12-27 | Judd Mano D. | Transmit/receive distributed antenna systems |
| US20080088510A1 (en) * | 2004-09-30 | 2008-04-17 | Toto Ltd. | Microstrip Antenna And High Frequency Sensor Using Microstrip Antenna |
| US20170338553A1 (en) * | 2014-12-05 | 2017-11-23 | Thales | Self-complementary multilayer array antenna |
| CN108879094A (en) * | 2018-07-04 | 2018-11-23 | 深圳市国人射频通信有限公司 | A kind of aerial array and its antenna element |
| CN209804892U (en) * | 2019-04-29 | 2019-12-17 | 成都天成电科科技有限公司 | Microstrip antenna loaded with parasitic patch |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022143777A1 (en) * | 2020-12-31 | 2022-07-07 | 华为技术有限公司 | Patch antenna and electronic device |
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