CN106785384A - A kind of anti-interference antenna - Google Patents

A kind of anti-interference antenna Download PDF

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Publication number
CN106785384A
CN106785384A CN201611078424.5A CN201611078424A CN106785384A CN 106785384 A CN106785384 A CN 106785384A CN 201611078424 A CN201611078424 A CN 201611078424A CN 106785384 A CN106785384 A CN 106785384A
Authority
CN
China
Prior art keywords
antenna
dielectric
slab
base plate
slot antenna
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
Application number
CN201611078424.5A
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Chinese (zh)
Inventor
林开
刘开宇
季宏
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Changchun Branch China Tower Co Ltd
Original Assignee
Changchun Branch China Tower Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Changchun Branch China Tower Co Ltd filed Critical Changchun Branch China Tower Co Ltd
Priority to CN201611078424.5A priority Critical patent/CN106785384A/en
Publication of CN106785384A publication Critical patent/CN106785384A/en
Pending legal-status Critical Current

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Classifications

    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00Details of, or arrangements associated with, antennas
    • H01Q1/36Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
    • H01Q1/38Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith formed by a conductive layer on an insulating support
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00Details of, or arrangements associated with, antennas
    • H01Q1/50Structural association of antennas with earthing switches, lead-in devices or lightning protectors
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q13/00Waveguide horns or mouths; Slot antennas; Leaky-waveguide antennas; Equivalent structures causing radiation along the transmission path of a guided wave
    • H01Q13/08Radiating ends of two-conductor microwave transmission lines, e.g. of coaxial lines, of microstrip lines

Abstract

The present invention relates to a kind of anti-interference antenna, including:Antenna house, dielectric-slab, planar slot antenna, microstrip line, base plate and feed connection;Antenna house is covered on around the dielectric-slab above base plate;Planar slot antenna and microstrip line are separately positioned on the both sides of dielectric-slab;Feed connection outer surface is connected with the base plate and planar slot antenna;The feed pin at feed connection center is connected with the microstrip line;The conductor surface of planar slot antenna is close to the dielectric-slab;One end of microstrip line is connected with the conductor surface of the planar slot antenna;Planar slot antenna includes a semicircle gap and a rectangular aperture, and one end of rectangular aperture is connected with the straight flange center in semicircle gap.The present invention makes antenna form the weaker direction of a radianting capacity compared to general omnidirectional antenna using the sensing radiation characteristic of slot antenna and the reflex of base plate, and the direction towards interference source plays a part of to weaken interference.

Description

A kind of anti-interference antenna
Technical field
The present invention relates to antenna technical field, more particularly to a kind of anti-interference antenna.
Background technology
Antenna is a kind of converter, and the guided wave of transmission above-the-line promotion is transformed into the electricity propagated in unbounded medium by it Magnetic wave, or carry out opposite conversion.It is used for launching or receiving the part of electromagnetic wave in wireless device.Radio communication, The engineering systems such as broadcast, TV, radar, navigation, electronic countermeasure, remote sensing, radio astronomy, it is every to use electromagnetic waves to transmission information , antenna is depended on to be operated.Additionally, in terms of energy is transmitted with electromagnetic wave, the energy radiation of non-signal is also required to day Line.
Existing antenna is generally omnidirectional antenna, when two omnidirectional antennas are relativelyed close to, mutual interference The access rate and message transmission rate of user will be had a strong impact on.
The content of the invention
The invention solves the problems that technical problem of the prior art, there is provided a kind of anti-interference antenna of easy processing.
In order to solve the above-mentioned technical problem, technical scheme is specific as follows:
A kind of anti-interference antenna, including:Antenna house, dielectric-slab, planar slot antenna, microstrip line, base plate and feed connection;
The antenna house is covered on around the dielectric-slab above base plate;The planar slot antenna and the microstrip line set respectively Put in the both sides of the dielectric-slab;The feed connection outer surface is connected with the base plate and the planar slot antenna;Institute The feed pin for stating feed connection center is connected with the microstrip line;
The conductor surface of the planar slot antenna is close to the dielectric-slab;One end of the microstrip line and the plane gap The conductor surface connection of antenna;
The planar slot antenna includes a semicircle gap and a rectangular aperture, and one end and the semicircle of rectangular aperture are stitched The straight flange center of gap is connected, and the length and width of rectangular aperture are respectively 44mm and 8mm, and the radius in semicircle gap is 24mm.
In the above-mentioned technical solutions, the side long of the rectangular aperture is horizontally disposed with, and the straight flange in the semicircle gap sets vertically Put.
In the above-mentioned technical solutions, the thickness of the dielectric-slab is 1mm.
In the above-mentioned technical solutions, the radius of the base plate is 10cm.
In the above-mentioned technical solutions, the dielectric-slab and the angle of the base plate are 100 to 110 degree.
The present invention has following beneficial effect:
The non-omnidirectional of horizontal plane radiation characteristic of anti-interference antenna of the invention, can be very good to suppress between multiple antennas Interfere with each other.
The present invention makes antenna complete compared to general using the sensing radiation characteristic of slot antenna and the reflex of base plate The weaker direction of a radianting capacity is formed to antenna, the direction towards interference source plays a part of to weaken interference.
Brief description of the drawings
The present invention is described in further detail with reference to the accompanying drawings and detailed description.
Fig. 1 is the structural representation of anti-interference antenna of the invention.
Fig. 2 is the assembling structure schematic diagram of anti-interference antenna of the invention.
Fig. 3 is the gap structure schematic diagram of the anti-interference antenna shown in Fig. 1.
Fig. 4 is the return loss schematic diagram of anti-interference antenna of the invention.
Fig. 5 is horizontal plane radiation pattern of the anti-interference antenna of the invention on 2.40GHz.
Reference in figure is expressed as:
1- antenna houses;2- dielectric-slabs;3- planar slot antennas;4- microstrip lines;5- base plates;6- feed connections.
Specific embodiment
Invention thought of the invention is:
The present invention provides a kind of easy processing and the antenna with noiseproof feature, and it includes:Antenna house, dielectric-slab, plane Slot antenna, microstrip line, base plate and feed connection.The present invention utilizes the reflection of the sensing radiation characteristic and base plate of slot antenna Effect, makes antenna form the weaker direction of a radianting capacity compared to general omnidirectional antenna, and the direction towards interference source rises To the effect for weakening interference.
The present invention is described in further detail with reference to the accompanying drawings and detailed description.
As shown in Fig. 1~5, a kind of anti-interference antenna, including:Antenna house 1, dielectric-slab 2, planar slot antenna 3, microstrip line 4th, base plate 5 and feed connection 6;
The antenna house 1 is covered on around the dielectric-slab 2 of the top of base plate 5;The planar slot antenna 3 and the microstrip line 4 It is separately positioned on the both sides of the dielectric-slab 2;The outer surface of the feed connection 6 and the base plate 5 and the plane gap day Line 3 is connected;The feed pin at the center of the feed connection 6 is connected with the microstrip line 4;The material of base plate 5 is conductor.
The conductor surface of the planar slot antenna 3 is close to the dielectric-slab 2;One end of the microstrip line 4 and the plane The conductor surface connection of slot antenna 3;
The planar slot antenna 3 includes a semicircle gap and a rectangular aperture, one end of rectangular aperture and semicircle The straight flange center in gap is connected, and the length and width of rectangular aperture are respectively 44mm and 8mm, and the radius in semicircle gap is 24mm.It is described The side long of rectangular aperture is horizontally disposed with, and the straight flange in the semicircle gap is vertically arranged.Parameter values in Fig. 3 are respectively:Rh= 24mm;H1=20mm;H2=44mm.
The thickness of the dielectric-slab 2 is 1mm.The radius of the base plate 5 is 10cm.The dielectric-slab 2 and the base plate 5 Angle is 100 to 110 degree.
The return loss plot of antenna shown in Fig. 4, it is seen that in the working frequency range (2400MHz~2500MHz), about- Below 15dB, realizes preferable impedance matching, and energy is preferably radiate.
It is the horizontal plane radiation pattern on antenna 2.4GHz shown in Fig. 5, it is seen that antenna is in -120~-150 degree directions Radianting capacity is weaker, about 10dB lower than greatest irradiation direction, and except the party, outwards other directions keep preferable radianting capacity.Cause This, can be by the most weak direction of the radianting capacity of antenna towards interference source, so that reducing antenna receives the strong of interference source signal Degree, while having taken into account the transmitting and reception of wireless signal on other directions.
Obviously, above-described embodiment is only intended to clearly illustrate example, and not to the restriction of implementation method.It is right For those of ordinary skill in the art, can also make on the basis of the above description other multi-forms change or Change.There is no need and unable to be exhaustive to all of implementation method.And the obvious change thus extended out or Among changing still in the protection domain of the invention.

Claims (5)

1. a kind of anti-interference antenna, it is characterised in that including:Antenna house (1), dielectric-slab (2), planar slot antenna (3), micro-strip Line (4), base plate (5) and feed connection (6);
The antenna house (1) is covered on around the dielectric-slab (2) above base plate (5);The planar slot antenna (3) and the micro-strip Line (4) is separately positioned on the both sides of the dielectric-slab (2);Feed connection (6) outer surface and the base plate (5) and described Planar slot antenna (3) is connected;The feed pin at feed connection (6) center is connected with the microstrip line (4);
The conductor surface of the planar slot antenna (3) is close to the dielectric-slab (2);One end of the microstrip line (4) is flat with described The conductor surface connection of face slot antenna (3);
The planar slot antenna (3) includes a semicircle gap and a rectangular aperture, and one end and the semicircle of rectangular aperture are stitched The straight flange center of gap is connected, and the length and width of rectangular aperture are respectively 44mm and 8mm, and the radius in semicircle gap is 24mm.
2. anti-interference antenna according to claim 1, it is characterised in that the side long of the rectangular aperture is horizontally disposed with, institute The straight flange for stating semicircle gap is vertically arranged.
3. anti-interference antenna according to claim 1, it is characterised in that the thickness of the dielectric-slab (2) is 1mm.
4. anti-interference antenna according to claim 1, it is characterised in that the radius of the base plate (5) is 10cm.
5. anti-interference antenna according to claim 1, it is characterised in that the folder of the dielectric-slab (2) and the base plate (5) Angle is 100 to 110 degree.
CN201611078424.5A 2016-11-30 2016-11-30 A kind of anti-interference antenna Pending CN106785384A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201611078424.5A CN106785384A (en) 2016-11-30 2016-11-30 A kind of anti-interference antenna

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201611078424.5A CN106785384A (en) 2016-11-30 2016-11-30 A kind of anti-interference antenna

Publications (1)

Publication Number Publication Date
CN106785384A true CN106785384A (en) 2017-05-31

Family

ID=58898901

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201611078424.5A Pending CN106785384A (en) 2016-11-30 2016-11-30 A kind of anti-interference antenna

Country Status (1)

Country Link
CN (1) CN106785384A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020020054A1 (en) * 2018-07-24 2020-01-30 维沃移动通信有限公司 Terminal device
WO2020020055A1 (en) * 2018-07-24 2020-01-30 维沃移动通信有限公司 Terminal device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020020054A1 (en) * 2018-07-24 2020-01-30 维沃移动通信有限公司 Terminal device
WO2020020055A1 (en) * 2018-07-24 2020-01-30 维沃移动通信有限公司 Terminal device

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